LZ4_decompress_safe: 2452| 283|{ 2453| 283| return LZ4_decompress_generic(source, dest, compressedSize, maxDecompressedSize, 2454| 283| decode_full_block, noDict, 2455| | (BYTE*)dest, NULL, 0); 2456| 283|} LZ4_decompress_safe_forceExtDict: 2526| 111|{ 2527| 111| DEBUGLOG(5, "LZ4_decompress_safe_forceExtDict"); ------------------ | | 289| 111|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2528| 111| return LZ4_decompress_generic(source, dest, compressedSize, maxOutputSize, 2529| 111| decode_full_block, usingExtDict, 2530| 111| (BYTE*)dest, (const BYTE*)dictStart, dictSize); 2531| 111|} LZ4_decompress_safe_usingDict: 2720| 111|{ 2721| 111| if (dictSize==0) ------------------ | Branch (2721:9): [True: 0, False: 111] ------------------ 2722| 0| return LZ4_decompress_safe(source, dest, compressedSize, maxOutputSize); 2723| 111| if (dictStart+dictSize == dest) { ------------------ | Branch (2723:9): [True: 0, False: 111] ------------------ 2724| 0| if (dictSize >= 64 KB - 1) { ------------------ | | 251| 0|#define KB *(1 <<10) ------------------ | Branch (2724:13): [True: 0, False: 0] ------------------ 2725| 0| return LZ4_decompress_safe_withPrefix64k(source, dest, compressedSize, maxOutputSize); 2726| 0| } 2727| 0| assert(dictSize >= 0); ------------------ | | 273| 0|# define assert(condition) ((void)0) ------------------ 2728| 0| return LZ4_decompress_safe_withSmallPrefix(source, dest, compressedSize, maxOutputSize, (size_t)dictSize); 2729| 0| } 2730| 111| assert(dictSize >= 0); ------------------ | | 273| 111|# define assert(condition) ((void)0) ------------------ 2731| 111| return LZ4_decompress_safe_forceExtDict(source, dest, compressedSize, maxOutputSize, dictStart, (size_t)dictSize); 2732| 111|} lz4.c:LZ4_wildCopy8: 466| 67.6k|{ 467| 67.6k| BYTE* d = (BYTE*)dstPtr; 468| 67.6k| const BYTE* s = (const BYTE*)srcPtr; 469| 67.6k| BYTE* const e = (BYTE*)dstEnd; 470| | 471| 123k| do { LZ4_memcpy(d,s,8); d+=8; s+=8; } while (du16; } lz4.c:LZ4_write32: 398| 66.5k|static void LZ4_write32(void* memPtr, U32 value) { ((LZ4_unalign32*)memPtr)->u32 = value; } lz4.c:LZ4_decompress_generic: 2035| 394|{ 2036| 394| if ((src == NULL) || (outputSize < 0)) { return -1; } ------------------ | Branch (2036:9): [True: 0, False: 394] | Branch (2036:26): [True: 0, False: 394] ------------------ 2037| | 2038| 394| { const BYTE* ip = (const BYTE*) src; 2039| 394| const BYTE* const iend = ip + srcSize; 2040| | 2041| 394| BYTE* op = (BYTE*) dst; 2042| 394| BYTE* const oend = op + outputSize; 2043| 394| BYTE* cpy; 2044| | 2045| 394| const BYTE* const dictEnd = (dictStart == NULL) ? NULL : dictStart + dictSize; ------------------ | Branch (2045:37): [True: 283, False: 111] ------------------ 2046| | 2047| 394| const int checkOffset = (dictSize < (int)(64 KB)); ------------------ | | 251| 394|#define KB *(1 <<10) ------------------ 2048| | 2049| | 2050| | /* Set up the "end" pointers for the shortcut. */ 2051| 394| const BYTE* const shortiend = iend - 14 /*maxLL*/ - 2 /*offset*/; 2052| 394| const BYTE* const shortoend = oend - 14 /*maxLL*/ - 18 /*maxML*/; 2053| | 2054| 394| const BYTE* match; 2055| 394| size_t offset; 2056| 394| unsigned token; 2057| 394| size_t length; 2058| | 2059| | 2060| 394| DEBUGLOG(5, "LZ4_decompress_generic (srcSize:%i, dstSize:%i)", srcSize, outputSize); ------------------ | | 289| 394|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2061| | 2062| | /* Special cases */ 2063| 394| assert(lowPrefix <= op); ------------------ | | 273| 394|# define assert(condition) ((void)0) ------------------ 2064| 394| if (unlikely(outputSize==0)) { ------------------ | | 180| 394|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 394|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 394] | | | | ------------------ | | ------------------ ------------------ 2065| | /* Empty output buffer */ 2066| 0| if (partialDecoding) return 0; ------------------ | Branch (2066:17): [True: 0, False: 0] ------------------ 2067| 0| return ((srcSize==1) && (*ip==0)) ? 0 : -1; ------------------ | Branch (2067:21): [True: 0, False: 0] | Branch (2067:37): [True: 0, False: 0] ------------------ 2068| 0| } 2069| 394| if (unlikely(srcSize==0)) { return -1; } ------------------ | | 180| 394|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 394|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 394] | | | | ------------------ | | ------------------ ------------------ 2070| | 2071| | /* LZ4_FAST_DEC_LOOP: 2072| | * designed for modern OoO performance cpus, 2073| | * where copying reliably 32-bytes is preferable to an unpredictable branch. 2074| | * note : fast loop may show a regression for some client arm chips. */ 2075| 394|#if LZ4_FAST_DEC_LOOP 2076| 394| if ((oend - op) < FASTLOOP_SAFE_DISTANCE) { ------------------ | | 248| 394|#define FASTLOOP_SAFE_DISTANCE 64 ------------------ | Branch (2076:13): [True: 12, False: 382] ------------------ 2077| 12| DEBUGLOG(6, "move to safe decode loop"); ------------------ | | 289| 12|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2078| 12| goto safe_decode; 2079| 12| } 2080| | 2081| | /* Fast loop : decode sequences as long as output < oend-FASTLOOP_SAFE_DISTANCE */ 2082| 382| DEBUGLOG(6, "using fast decode loop"); ------------------ | | 289| 382|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2083| 137k| while (1) { ------------------ | Branch (2083:16): [True: 137k, Folded] ------------------ 2084| | /* Main fastloop assertion: We can always wildcopy FASTLOOP_SAFE_DISTANCE */ 2085| 137k| assert(oend - op >= FASTLOOP_SAFE_DISTANCE); ------------------ | | 273| 137k|# define assert(condition) ((void)0) ------------------ 2086| 137k| assert(ip < iend); ------------------ | | 273| 137k|# define assert(condition) ((void)0) ------------------ 2087| 137k| token = *ip++; 2088| 137k| length = token >> ML_BITS; /* literal length */ ------------------ | | 260| 137k|#define ML_BITS 4 ------------------ 2089| 137k| DEBUGLOG(7, "blockPos%6u: litLength token = %u", (unsigned)(op-(BYTE*)dst), (unsigned)length); ------------------ | | 289| 137k|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2090| | 2091| | /* decode literal length */ 2092| 137k| if (length == RUN_MASK) { ------------------ | | 263| 137k|#define RUN_MASK ((1U<= WILDCOPYLENGTH); ------------------ | | 277| 13.3k|#define LZ4_STATIC_ASSERT(c) { enum { LZ4_static_assert = 1/(int)(!!(c)) }; } /* use after variable declarations */ ------------------ 2104| 13.3k| if ((op+length>oend-32) || (ip+length>iend-32)) { goto safe_literal_copy; } ------------------ | Branch (2104:21): [True: 33, False: 13.3k] | Branch (2104:44): [True: 37, False: 13.3k] ------------------ 2105| 13.3k| LZ4_wildCopy32(op, ip, op+length); 2106| 13.3k| ip += length; op += length; 2107| 124k| } else if (ip <= iend-(16 + 1/*max lit + offset + nextToken*/)) { ------------------ | Branch (2107:24): [True: 124k, False: 9] ------------------ 2108| | /* We don't need to check oend, since we check it once for each loop below */ 2109| 124k| DEBUGLOG(7, "copy %u bytes in a 16-bytes stripe", (unsigned)length); ------------------ | | 289| 124k|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2110| | /* Literals can only be <= 14, but hope compilers optimize better when copy by a register size */ 2111| 124k| LZ4_memcpy(op, ip, 16); ------------------ | | 349| 124k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2112| 124k| ip += length; op += length; 2113| 124k| } else { 2114| 9| goto safe_literal_copy; 2115| 9| } 2116| | 2117| | /* get offset */ 2118| 137k| offset = LZ4_readLE16(ip); ip+=2; 2119| 137k| DEBUGLOG(6, "blockPos%6u: offset = %u", (unsigned)(op-(BYTE*)dst), (unsigned)offset); ------------------ | | 289| 137k|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2120| 137k| match = op - offset; 2121| 137k| assert(match <= op); /* overflow check */ ------------------ | | 273| 137k|# define assert(condition) ((void)0) ------------------ 2122| | 2123| | /* get matchlength */ 2124| 137k| length = token & ML_MASK; ------------------ | | 261| 137k|#define ML_MASK ((1U<= oend - FASTLOOP_SAFE_DISTANCE) { ------------------ | | 248| 16.1k|#define FASTLOOP_SAFE_DISTANCE 64 ------------------ | Branch (2137:21): [True: 74, False: 16.0k] ------------------ 2138| 74| goto safe_match_copy; 2139| 74| } 2140| 121k| } else { 2141| 121k| length += MINMATCH; ------------------ | | 242| 121k|#define MINMATCH 4 ------------------ 2142| 121k| if (op + length >= oend - FASTLOOP_SAFE_DISTANCE) { ------------------ | | 248| 121k|#define FASTLOOP_SAFE_DISTANCE 64 ------------------ | Branch (2142:21): [True: 171, False: 121k] ------------------ 2143| 171| DEBUGLOG(7, "moving to safe_match_copy (ml==%u)", (unsigned)length); ------------------ | | 289| 171|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2144| 171| goto safe_match_copy; 2145| 171| } 2146| | 2147| | /* Fastpath check: skip LZ4_wildCopy32 when true */ 2148| 121k| if ((dict == withPrefix64k) || (match >= lowPrefix)) { ------------------ | Branch (2148:21): [True: 0, False: 121k] | Branch (2148:48): [True: 121k, False: 153] ------------------ 2149| 121k| if (offset >= 8) { ------------------ | Branch (2149:25): [True: 52.8k, False: 68.4k] ------------------ 2150| 52.8k| assert(match >= lowPrefix); ------------------ | | 273| 52.8k|# define assert(condition) ((void)0) ------------------ 2151| 52.8k| assert(match <= op); ------------------ | | 273| 52.8k|# define assert(condition) ((void)0) ------------------ 2152| 52.8k| assert(op + 18 <= oend); ------------------ | | 273| 52.8k|# define assert(condition) ((void)0) ------------------ 2153| | 2154| 52.8k| LZ4_memcpy(op, match, 8); ------------------ | | 349| 52.8k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2155| 52.8k| LZ4_memcpy(op+8, match+8, 8); ------------------ | | 349| 52.8k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2156| 52.8k| LZ4_memcpy(op+16, match+16, 2); ------------------ | | 349| 52.8k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2157| 52.8k| op += length; 2158| 52.8k| continue; 2159| 52.8k| } } } 2160| | 2161| 84.5k| if ( checkOffset && (unlikely(match + dictSize < lowPrefix)) ) { ------------------ | | 180| 84.5k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 84.5k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | ------------------ ------------------ | Branch (2161:18): [True: 84.5k, False: 0] | Branch (2161:33): [True: 57, False: 84.5k] ------------------ 2162| 57| DEBUGLOG(5, "Error : pos=%zi, offset=%zi => outside buffers", op-lowPrefix, op-match); ------------------ | | 289| 57|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2163| 57| goto _output_error; 2164| 57| } 2165| | /* match starting within external dictionary */ 2166| 84.5k| if ((dict==usingExtDict) && (match < lowPrefix)) { ------------------ | Branch (2166:17): [True: 1.52k, False: 83.0k] | Branch (2166:41): [True: 121, False: 1.40k] ------------------ 2167| 121| assert(dictEnd != NULL); ------------------ | | 273| 121|# define assert(condition) ((void)0) ------------------ 2168| 121| if (unlikely(op+length > oend-LASTLITERALS)) { ------------------ | | 180| 121|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 121|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 121] | | | | ------------------ | | ------------------ ------------------ 2169| 0| if (partialDecoding) { ------------------ | Branch (2169:25): [True: 0, False: 0] ------------------ 2170| 0| DEBUGLOG(7, "partialDecoding: dictionary match, close to dstEnd"); ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2171| 0| length = MIN(length, (size_t)(oend-op)); ------------------ | | 1845| 0|#define MIN(a,b) ( (a) < (b) ? (a) : (b) ) | | ------------------ | | | Branch (1845:23): [True: 0, False: 0] | | ------------------ ------------------ 2172| 0| } else { 2173| 0| DEBUGLOG(6, "end-of-block condition violated") ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2174| 0| goto _output_error; 2175| 0| } } 2176| | 2177| 121| if (length <= (size_t)(lowPrefix-match)) { ------------------ | Branch (2177:21): [True: 86, False: 35] ------------------ 2178| | /* match fits entirely within external dictionary : just copy */ 2179| 86| LZ4_memmove(op, dictEnd - (lowPrefix-match), length); ------------------ | | 357| 86|# define LZ4_memmove __builtin_memmove ------------------ 2180| 86| op += length; 2181| 86| } else { 2182| | /* match stretches into both external dictionary and current block */ 2183| 35| size_t const copySize = (size_t)(lowPrefix - match); 2184| 35| size_t const restSize = length - copySize; 2185| 35| LZ4_memcpy(op, dictEnd - copySize, copySize); ------------------ | | 349| 35|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2186| 35| op += copySize; 2187| 35| if (restSize > (size_t)(op - lowPrefix)) { /* overlap copy */ ------------------ | Branch (2187:25): [True: 14, False: 21] ------------------ 2188| 14| BYTE* const endOfMatch = op + restSize; 2189| 14| const BYTE* copyFrom = lowPrefix; 2190| 1.80k| while (op < endOfMatch) { *op++ = *copyFrom++; } ------------------ | Branch (2190:32): [True: 1.79k, False: 14] ------------------ 2191| 21| } else { 2192| 21| LZ4_memcpy(op, lowPrefix, restSize); ------------------ | | 349| 21|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2193| 21| op += restSize; 2194| 21| } } 2195| 121| continue; 2196| 121| } 2197| | 2198| | /* copy match within block */ 2199| 84.4k| cpy = op + length; 2200| | 2201| 84.4k| assert((op <= oend) && (oend-op >= 32)); ------------------ | | 273| 84.4k|# define assert(condition) ((void)0) ------------------ 2202| 84.4k| if (unlikely(offset<16)) { ------------------ | | 180| 84.4k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 84.4k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 80.8k, False: 3.59k] | | | | ------------------ | | ------------------ ------------------ 2203| 80.8k| LZ4_memcpy_using_offset(op, match, cpy, offset); 2204| 80.8k| } else { 2205| 3.59k| LZ4_wildCopy32(op, match, cpy); 2206| 3.59k| } 2207| | 2208| 84.4k| op = cpy; /* wildcopy correction */ 2209| 84.4k| } 2210| 12| safe_decode: 2211| 12|#endif 2212| | 2213| | /* Main Loop : decode remaining sequences where output < FASTLOOP_SAFE_DISTANCE */ 2214| 12| DEBUGLOG(6, "using safe decode loop"); ------------------ | | 289| 12|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2215| 1.39k| while (1) { ------------------ | Branch (2215:16): [True: 1.39k, Folded] ------------------ 2216| 1.39k| assert(ip < iend); ------------------ | | 273| 1.39k|# define assert(condition) ((void)0) ------------------ 2217| 1.39k| token = *ip++; 2218| 1.39k| length = token >> ML_BITS; /* literal length */ ------------------ | | 260| 1.39k|#define ML_BITS 4 ------------------ 2219| 1.39k| DEBUGLOG(7, "blockPos%6u: litLength token = %u", (unsigned)(op-(BYTE*)dst), (unsigned)length); ------------------ | | 289| 1.39k|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2220| | 2221| | /* A two-stage shortcut for the most common case: 2222| | * 1) If the literal length is 0..14, and there is enough space, 2223| | * enter the shortcut and copy 16 bytes on behalf of the literals 2224| | * (in the fast mode, only 8 bytes can be safely copied this way). 2225| | * 2) Further if the match length is 4..18, copy 18 bytes in a similar 2226| | * manner; but we ensure that there's enough space in the output for 2227| | * those 18 bytes earlier, upon entering the shortcut (in other words, 2228| | * there is a combined check for both stages). 2229| | */ 2230| 1.39k| if ( (length != RUN_MASK) ------------------ | | 263| 1.39k|#define RUN_MASK ((1U<= 8) ------------------ | Branch (2247:22): [True: 180, False: 231] ------------------ 2248| 180| && (dict==withPrefix64k || match >= lowPrefix) ) { ------------------ | Branch (2248:23): [True: 0, False: 180] | Branch (2248:46): [True: 164, False: 16] ------------------ 2249| | /* Copy the match. */ 2250| 164| LZ4_memcpy(op + 0, match + 0, 8); ------------------ | | 349| 164|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2251| 164| LZ4_memcpy(op + 8, match + 8, 8); ------------------ | | 349| 164|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2252| 164| LZ4_memcpy(op +16, match +16, 2); ------------------ | | 349| 164|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2253| 164| op += length + MINMATCH; ------------------ | | 242| 164|#define MINMATCH 4 ------------------ 2254| | /* Both stages worked, load the next token. */ 2255| 164| continue; 2256| 164| } 2257| | 2258| | /* The second stage didn't work out, but the info is ready. 2259| | * Propel it right to the point of match copying. */ 2260| 392| goto _copy_match; 2261| 556| } 2262| | 2263| | /* decode literal length */ 2264| 835| if (length == RUN_MASK) { ------------------ | | 263| 835|#define RUN_MASK ((1U<= WILDCOPYLENGTH); ------------------ | | 277| 913|#define LZ4_STATIC_ASSERT(c) { enum { LZ4_static_assert = 1/(int)(!!(c)) }; } /* use after variable declarations */ ------------------ 2279| 913| if ((cpy>oend-MFLIMIT) || (ip+length>iend-(2+1+LASTLITERALS))) { ------------------ | | 246| 913|#define MFLIMIT 12 /* see ../doc/lz4_Block_format.md#parsing-restrictions */ ------------------ if ((cpy>oend-MFLIMIT) || (ip+length>iend-(2+1+LASTLITERALS))) { ------------------ | | 245| 703|#define LASTLITERALS 5 /* see ../doc/lz4_Block_format.md#parsing-restrictions */ ------------------ | Branch (2279:17): [True: 210, False: 703] | Branch (2279:39): [True: 33, False: 670] ------------------ 2280| | /* We've either hit the input parsing restriction or the output parsing restriction. 2281| | * In the normal scenario, decoding a full block, it must be the last sequence, 2282| | * otherwise it's an error (invalid input or dimensions). 2283| | * In partialDecoding scenario, it's necessary to ensure there is no buffer overflow. 2284| | */ 2285| 243| if (partialDecoding) { ------------------ | Branch (2285:21): [True: 0, False: 243] ------------------ 2286| | /* Since we are partial decoding we may be in this block because of the output parsing 2287| | * restriction, which is not valid since the output buffer is allowed to be undersized. 2288| | */ 2289| 0| DEBUGLOG(7, "partialDecoding: copying literals, close to input or output end") ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2290| 0| DEBUGLOG(7, "partialDecoding: literal length = %u", (unsigned)length); ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2291| 0| DEBUGLOG(7, "partialDecoding: remaining space in dstBuffer : %i", (int)(oend - op)); ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2292| 0| DEBUGLOG(7, "partialDecoding: remaining space in srcBuffer : %i", (int)(iend - ip)); ------------------ | | 289| 0|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2293| | /* Finishing in the middle of a literals segment, 2294| | * due to lack of input. 2295| | */ 2296| 0| if (ip+length > iend) { ------------------ | Branch (2296:25): [True: 0, False: 0] ------------------ 2297| 0| length = (size_t)(iend-ip); 2298| 0| cpy = op + length; 2299| 0| } 2300| | /* Finishing in the middle of a literals segment, 2301| | * due to lack of output space. 2302| | */ 2303| 0| if (cpy > oend) { ------------------ | Branch (2303:25): [True: 0, False: 0] ------------------ 2304| 0| cpy = oend; 2305| 0| assert(op<=oend); ------------------ | | 273| 0|# define assert(condition) ((void)0) ------------------ 2306| 0| length = (size_t)(oend-op); 2307| 0| } 2308| 243| } else { 2309| | /* We must be on the last sequence (or invalid) because of the parsing limitations 2310| | * so check that we exactly consume the input and don't overrun the output buffer. 2311| | */ 2312| 243| if ((ip+length != iend) || (cpy > oend)) { ------------------ | Branch (2312:25): [True: 118, False: 125] | Branch (2312:48): [True: 0, False: 125] ------------------ 2313| 118| DEBUGLOG(5, "should have been last run of literals") ------------------ | | 289| 118|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2314| 118| DEBUGLOG(5, "ip(%p) + length(%i) = %p != iend (%p)", ip, (int)length, ip+length, iend); ------------------ | | 289| 118|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2315| 118| DEBUGLOG(5, "or cpy(%p) > (oend-MFLIMIT)(%p)", cpy, oend-MFLIMIT); ------------------ | | 289| 118|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2316| 118| DEBUGLOG(5, "after writing %u bytes / %i bytes available", (unsigned)(op-(BYTE*)dst), outputSize); ------------------ | | 289| 118|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2317| 118| goto _output_error; 2318| 118| } 2319| 243| } 2320| 125| LZ4_memmove(op, ip, length); /* supports overlapping memory regions, for in-place decompression scenarios */ ------------------ | | 357| 125|# define LZ4_memmove __builtin_memmove ------------------ 2321| 125| ip += length; 2322| 125| op += length; 2323| | /* Necessarily EOF when !partialDecoding. 2324| | * When partialDecoding, it is EOF if we've either 2325| | * filled the output buffer or 2326| | * can't proceed with reading an offset for following match. 2327| | */ 2328| 125| if (!partialDecoding || (cpy == oend) || (ip >= (iend-2))) { ------------------ | Branch (2328:21): [True: 125, False: 0] | Branch (2328:41): [True: 0, False: 0] | Branch (2328:58): [True: 0, False: 0] ------------------ 2329| 125| break; 2330| 125| } 2331| 670| } else { 2332| 670| LZ4_wildCopy8(op, ip, cpy); /* can overwrite up to 8 bytes beyond cpy */ 2333| 670| ip += length; op = cpy; 2334| 670| } 2335| | 2336| | /* get offset */ 2337| 670| offset = LZ4_readLE16(ip); ip+=2; 2338| 670| match = op - offset; 2339| | 2340| | /* get matchlength */ 2341| 670| length = token & ML_MASK; ------------------ | | 261| 670|#define ML_MASK ((1U< oend-LASTLITERALS)) { ------------------ | | 180| 8|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 8|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 8] | | | | ------------------ | | ------------------ ------------------ 2361| 0| if (partialDecoding) length = MIN(length, (size_t)(oend-op)); ------------------ | | 1845| 0|#define MIN(a,b) ( (a) < (b) ? (a) : (b) ) | | ------------------ | | | Branch (1845:23): [True: 0, False: 0] | | ------------------ ------------------ | Branch (2361:25): [True: 0, False: 0] ------------------ 2362| 0| else goto _output_error; /* doesn't respect parsing restriction */ 2363| 0| } 2364| | 2365| 8| if (length <= (size_t)(lowPrefix-match)) { ------------------ | Branch (2365:21): [True: 3, False: 5] ------------------ 2366| | /* match fits entirely within external dictionary : just copy */ 2367| 3| LZ4_memmove(op, dictEnd - (lowPrefix-match), length); ------------------ | | 357| 3|# define LZ4_memmove __builtin_memmove ------------------ 2368| 3| op += length; 2369| 5| } else { 2370| | /* match stretches into both external dictionary and current block */ 2371| 5| size_t const copySize = (size_t)(lowPrefix - match); 2372| 5| size_t const restSize = length - copySize; 2373| 5| LZ4_memcpy(op, dictEnd - copySize, copySize); ------------------ | | 349| 5|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2374| 5| op += copySize; 2375| 5| if (restSize > (size_t)(op - lowPrefix)) { /* overlap copy */ ------------------ | Branch (2375:25): [True: 5, False: 0] ------------------ 2376| 5| BYTE* const endOfMatch = op + restSize; 2377| 5| const BYTE* copyFrom = lowPrefix; 2378| 2.06k| while (op < endOfMatch) *op++ = *copyFrom++; ------------------ | Branch (2378:32): [True: 2.05k, False: 5] ------------------ 2379| 5| } else { 2380| 0| LZ4_memcpy(op, lowPrefix, restSize); ------------------ | | 349| 0|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2381| 0| op += restSize; 2382| 0| } } 2383| 8| continue; 2384| 8| } 2385| 1.23k| assert(match >= lowPrefix); ------------------ | | 273| 1.23k|# define assert(condition) ((void)0) ------------------ 2386| | 2387| | /* copy match within block */ 2388| 1.23k| cpy = op + length; 2389| | 2390| | /* partialDecoding : may end anywhere within the block */ 2391| 1.23k| assert(op<=oend); ------------------ | | 273| 1.23k|# define assert(condition) ((void)0) ------------------ 2392| 1.23k| if (partialDecoding && (cpy > oend-MATCH_SAFEGUARD_DISTANCE)) { ------------------ | | 247| 0|#define MATCH_SAFEGUARD_DISTANCE ((2*WILDCOPYLENGTH) - MINMATCH) /* ensure it's possible to write 2 x wildcopyLength without overflowing output buffer */ | | ------------------ | | | | 244| 0|#define WILDCOPYLENGTH 8 | | ------------------ | | #define MATCH_SAFEGUARD_DISTANCE ((2*WILDCOPYLENGTH) - MINMATCH) /* ensure it's possible to write 2 x wildcopyLength without overflowing output buffer */ | | ------------------ | | | | 242| 0|#define MINMATCH 4 | | ------------------ ------------------ | Branch (2392:17): [True: 0, False: 1.23k] | Branch (2392:36): [True: 0, False: 0] ------------------ 2393| 0| size_t const mlen = MIN(length, (size_t)(oend-op)); ------------------ | | 1845| 0|#define MIN(a,b) ( (a) < (b) ? (a) : (b) ) | | ------------------ | | | Branch (1845:23): [True: 0, False: 0] | | ------------------ ------------------ 2394| 0| const BYTE* const matchEnd = match + mlen; 2395| 0| BYTE* const copyEnd = op + mlen; 2396| 0| if (matchEnd > op) { /* overlap copy */ ------------------ | Branch (2396:21): [True: 0, False: 0] ------------------ 2397| 0| while (op < copyEnd) { *op++ = *match++; } ------------------ | Branch (2397:28): [True: 0, False: 0] ------------------ 2398| 0| } else { 2399| 0| LZ4_memcpy(op, match, mlen); ------------------ | | 349| 0|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2400| 0| } 2401| 0| op = copyEnd; 2402| 0| if (op == oend) { break; } ------------------ | Branch (2402:21): [True: 0, False: 0] ------------------ 2403| 0| continue; 2404| 0| } 2405| | 2406| 1.23k| if (unlikely(offset<8)) { ------------------ | | 180| 1.23k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 1.23k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 735, False: 495] | | | | ------------------ | | ------------------ ------------------ 2407| 735| LZ4_write32(op, 0); /* silence msan warning when offset==0 */ 2408| 735| op[0] = match[0]; 2409| 735| op[1] = match[1]; 2410| 735| op[2] = match[2]; 2411| 735| op[3] = match[3]; 2412| 735| match += inc32table[offset]; 2413| 735| LZ4_memcpy(op+4, match, 4); ------------------ | | 349| 735|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2414| 735| match -= dec64table[offset]; 2415| 735| } else { 2416| 495| LZ4_memcpy(op, match, 8); ------------------ | | 349| 495|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2417| 495| match += 8; 2418| 495| } 2419| 1.23k| op += 8; 2420| | 2421| 1.23k| if (unlikely(cpy > oend-MATCH_SAFEGUARD_DISTANCE)) { ------------------ | | 180| 1.23k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 1.23k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 64, False: 1.16k] | | | | ------------------ | | ------------------ ------------------ 2422| 64| BYTE* const oCopyLimit = oend - (WILDCOPYLENGTH-1); ------------------ | | 244| 64|#define WILDCOPYLENGTH 8 ------------------ 2423| 64| if (cpy > oend-LASTLITERALS) { goto _output_error; } /* Error : last LASTLITERALS bytes must be literals (uncompressed) */ ------------------ | | 245| 64|#define LASTLITERALS 5 /* see ../doc/lz4_Block_format.md#parsing-restrictions */ ------------------ | Branch (2423:21): [True: 23, False: 41] ------------------ 2424| 41| if (op < oCopyLimit) { ------------------ | Branch (2424:21): [True: 25, False: 16] ------------------ 2425| 25| LZ4_wildCopy8(op, match, oCopyLimit); 2426| 25| match += oCopyLimit - op; 2427| 25| op = oCopyLimit; 2428| 25| } 2429| 53| while (op < cpy) { *op++ = *match++; } ------------------ | Branch (2429:24): [True: 12, False: 41] ------------------ 2430| 1.16k| } else { 2431| 1.16k| LZ4_memcpy(op, match, 8); ------------------ | | 349| 1.16k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 2432| 1.16k| if (length > 16) { LZ4_wildCopy8(op+8, match+8, cpy); } ------------------ | Branch (2432:21): [True: 217, False: 949] ------------------ 2433| 1.16k| } 2434| 1.20k| op = cpy; /* wildcopy correction */ 2435| 1.20k| } 2436| | 2437| | /* end of decoding */ 2438| 125| DEBUGLOG(5, "decoded %i bytes", (int) (((char*)op)-dst)); ------------------ | | 289| 125|# define DEBUGLOG(l, ...) {} /* disabled */ ------------------ 2439| 125| return (int) (((char*)op)-dst); /* Nb of output bytes decoded */ 2440| | 2441| | /* Overflow error detected */ 2442| 269| _output_error: 2443| 269| return (int) (-(((const char*)ip)-src))-1; 2444| 12| } 2445| 12|} lz4.c:read_variable_length: 1981| 29.8k|{ 1982| 29.8k| Rvl_t s, length = 0; 1983| 29.8k| assert(ip != NULL); ------------------ | | 273| 29.8k|# define assert(condition) ((void)0) ------------------ 1984| 29.8k| assert(*ip != NULL); ------------------ | | 273| 29.8k|# define assert(condition) ((void)0) ------------------ 1985| 29.8k| assert(ilimit != NULL); ------------------ | | 273| 29.8k|# define assert(condition) ((void)0) ------------------ 1986| 29.8k| if (initial_check && unlikely((*ip) >= ilimit)) { /* read limit reached */ ------------------ | | 180| 13.5k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 13.5k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 13.5k] | | | | ------------------ | | ------------------ ------------------ | Branch (1986:9): [True: 13.5k, False: 16.3k] ------------------ 1987| 0| return rvl_error; 1988| 0| } 1989| 29.8k| s = **ip; 1990| 29.8k| (*ip)++; 1991| 29.8k| length += s; 1992| 29.8k| if (unlikely((*ip) > ilimit)) { /* read limit reached */ ------------------ | | 180| 29.8k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 29.8k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 29.8k] | | | | ------------------ | | ------------------ ------------------ 1993| 0| return rvl_error; 1994| 0| } 1995| | /* accumulator overflow detection (32-bit mode only) */ 1996| 29.8k| if ((sizeof(length) < 8) && unlikely(length > ((Rvl_t)(-1)/2)) ) { ------------------ | | 180| 0|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 0|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 0] | | | | ------------------ | | ------------------ ------------------ | Branch (1996:9): [Folded, False: 29.8k] ------------------ 1997| 0| return rvl_error; 1998| 0| } 1999| 29.8k| if (likely(s != 255)) return length; ------------------ | | 177| 29.8k|#define likely(expr) expect((expr) != 0, 1) | | ------------------ | | | | 171| 29.8k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 28.6k, False: 1.27k] | | | | ------------------ | | ------------------ ------------------ 2000| 6.58k| do { 2001| 6.58k| s = **ip; 2002| 6.58k| (*ip)++; 2003| 6.58k| length += s; 2004| 6.58k| if (unlikely((*ip) > ilimit)) { /* read limit reached */ ------------------ | | 180| 6.58k|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 6.58k|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 3, False: 6.58k] | | | | ------------------ | | ------------------ ------------------ 2005| 3| return rvl_error; 2006| 3| } 2007| | /* accumulator overflow detection (32-bit mode only) */ 2008| 6.58k| if ((sizeof(length) < 8) && unlikely(length > ((Rvl_t)(-1)/2)) ) { ------------------ | | 180| 0|#define unlikely(expr) expect((expr) != 0, 0) | | ------------------ | | | | 171| 0|# define expect(expr,value) (__builtin_expect ((expr),(value)) ) | | | | ------------------ | | | | | Branch (171:33): [True: 0, False: 0] | | | | ------------------ | | ------------------ ------------------ | Branch (2008:13): [Folded, False: 6.58k] ------------------ 2009| 0| return rvl_error; 2010| 0| } 2011| 6.58k| } while (s == 255); ------------------ | Branch (2011:14): [True: 5.31k, False: 1.26k] ------------------ 2012| | 2013| 1.26k| return length; 2014| 1.27k|} lz4.c:LZ4_wildCopy32: 523| 16.8k|{ 524| 16.8k| BYTE* d = (BYTE*)dstPtr; 525| 16.8k| const BYTE* s = (const BYTE*)srcPtr; 526| 16.8k| BYTE* const e = (BYTE*)dstEnd; 527| | 528| 46.8k| do { LZ4_memcpy(d,s,16); LZ4_memcpy(d+16,s+16,16); d+=32; s+=32; } while (d= dstPtr + MINMATCH); ------------------ | | 273| 80.8k|# define assert(condition) ((void)0) ------------------ 540| | 541| 80.8k| switch(offset) { 542| 8.60k| case 1: ------------------ | Branch (542:5): [True: 8.60k, False: 72.2k] ------------------ 543| 8.60k| MEM_INIT(v, *srcPtr, 8); ------------------ | | 236| 8.60k|#define MEM_INIT(p,v,s) LZ4_memset((p),(v),(s)) | | ------------------ | | | | 234| 8.60k|# define LZ4_memset(p,v,s) memset((p),(v),(s)) | | ------------------ ------------------ 544| 8.60k| break; 545| 2.32k| case 2: ------------------ | Branch (545:5): [True: 2.32k, False: 78.5k] ------------------ 546| 2.32k| LZ4_memcpy(v, srcPtr, 2); ------------------ | | 349| 2.32k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 547| 2.32k| LZ4_memcpy(&v[2], srcPtr, 2); ------------------ | | 349| 2.32k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 548| |#if defined(_MSC_VER) && (_MSC_VER <= 1937) /* MSVC 2022 ver 17.7 or earlier */ 549| |# pragma warning(push) 550| |# pragma warning(disable : 6385) /* warning C6385: Reading invalid data from 'v'. */ 551| |#endif 552| 2.32k| LZ4_memcpy(&v[4], v, 4); ------------------ | | 349| 2.32k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 553| |#if defined(_MSC_VER) && (_MSC_VER <= 1937) /* MSVC 2022 ver 17.7 or earlier */ 554| |# pragma warning(pop) 555| |#endif 556| 2.32k| break; 557| 3.13k| case 4: ------------------ | Branch (557:5): [True: 3.13k, False: 77.6k] ------------------ 558| 3.13k| LZ4_memcpy(v, srcPtr, 4); ------------------ | | 349| 3.13k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 559| 3.13k| LZ4_memcpy(&v[4], srcPtr, 4); ------------------ | | 349| 3.13k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 560| 3.13k| break; 561| 66.7k| default: ------------------ | Branch (561:5): [True: 66.7k, False: 14.0k] ------------------ 562| 66.7k| LZ4_memcpy_using_offset_base(dstPtr, srcPtr, dstEnd, offset); 563| 66.7k| return; 564| 80.8k| } 565| | 566| 14.0k| LZ4_memcpy(dstPtr, v, 8); ------------------ | | 349| 14.0k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 567| 14.0k| dstPtr += 8; 568| 45.6k| while (dstPtr < dstEnd) { ------------------ | Branch (568:12): [True: 31.5k, False: 14.0k] ------------------ 569| 31.5k| LZ4_memcpy(dstPtr, v, 8); ------------------ | | 349| 31.5k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 570| 31.5k| dstPtr += 8; 571| 31.5k| } 572| 14.0k|} lz4.c:LZ4_memcpy_using_offset_base: 497| 66.7k|{ 498| 66.7k| assert(srcPtr + offset == dstPtr); ------------------ | | 273| 66.7k|# define assert(condition) ((void)0) ------------------ 499| 66.7k| if (offset < 8) { ------------------ | Branch (499:9): [True: 65.8k, False: 940] ------------------ 500| 65.8k| LZ4_write32(dstPtr, 0); /* silence an msan warning when offset==0 */ 501| 65.8k| dstPtr[0] = srcPtr[0]; 502| 65.8k| dstPtr[1] = srcPtr[1]; 503| 65.8k| dstPtr[2] = srcPtr[2]; 504| 65.8k| dstPtr[3] = srcPtr[3]; 505| 65.8k| srcPtr += inc32table[offset]; 506| 65.8k| LZ4_memcpy(dstPtr+4, srcPtr, 4); ------------------ | | 349| 65.8k|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 507| 65.8k| srcPtr -= dec64table[offset]; 508| 65.8k| dstPtr += 8; 509| 65.8k| } else { 510| 940| LZ4_memcpy(dstPtr, srcPtr, 8); ------------------ | | 349| 940|# define LZ4_memcpy(dst, src, size) __builtin_memcpy(dst, src, size) ------------------ 511| 940| dstPtr += 8; 512| 940| srcPtr += 8; 513| 940| } 514| | 515| 66.7k| LZ4_wildCopy8(dstPtr, srcPtr, dstEnd); 516| 66.7k|} adler32_ssse3.c:adler32_len_16: 29| 37|static inline uint32_t adler32_len_16(uint32_t adler, const uint8_t *buf, size_t len, uint32_t sum2) { 30| 407| while (len) { ------------------ | Branch (30:12): [True: 370, False: 37] ------------------ 31| 370| --len; 32| 370| adler += *buf++; 33| 370| sum2 += adler; 34| 370| } 35| 37| adler %= BASE; ------------------ | | 11| 37|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 36| 37| sum2 %= BASE; /* only added so many BASE's */ ------------------ | | 11| 37|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 37| | /* return recombined sums */ 38| 37| return adler | (sum2 << 16); 39| 37|} adler32_sse42.c:adler32_copy_len_16: 41| 80|static inline uint32_t adler32_copy_len_16(uint32_t adler, const uint8_t *buf, uint8_t *dst, size_t len, uint32_t sum2) { 42| 723| while (len--) { ------------------ | Branch (42:12): [True: 643, False: 80] ------------------ 43| 643| *dst = *buf++; 44| 643| adler += *dst++; 45| 643| sum2 += adler; 46| 643| } 47| 80| adler %= BASE; ------------------ | | 11| 80|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 48| 80| sum2 %= BASE; /* only added so many BASE's */ ------------------ | | 11| 80|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 49| | /* return recombined sums */ 50| 80| return adler | (sum2 << 16); 51| 80|} adler32_avx2.c:adler32_copy_len_16: 41| 85|static inline uint32_t adler32_copy_len_16(uint32_t adler, const uint8_t *buf, uint8_t *dst, size_t len, uint32_t sum2) { 42| 708| while (len--) { ------------------ | Branch (42:12): [True: 623, False: 85] ------------------ 43| 623| *dst = *buf++; 44| 623| adler += *dst++; 45| 623| sum2 += adler; 46| 623| } 47| 85| adler %= BASE; ------------------ | | 11| 85|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 48| 85| sum2 %= BASE; /* only added so many BASE's */ ------------------ | | 11| 85|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 49| | /* return recombined sums */ 50| 85| return adler | (sum2 << 16); 51| 85|} adler32_avx2.c:adler32_len_16: 29| 46|static inline uint32_t adler32_len_16(uint32_t adler, const uint8_t *buf, size_t len, uint32_t sum2) { 30| 396| while (len) { ------------------ | Branch (30:12): [True: 350, False: 46] ------------------ 31| 350| --len; 32| 350| adler += *buf++; 33| 350| sum2 += adler; 34| 350| } 35| 46| adler %= BASE; ------------------ | | 11| 46|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 36| 46| sum2 %= BASE; /* only added so many BASE's */ ------------------ | | 11| 46|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 37| | /* return recombined sums */ 38| 46| return adler | (sum2 << 16); 39| 46|} adler32_avx2: 172| 90|Z_INTERNAL uint32_t adler32_avx2(uint32_t adler, const uint8_t *src, size_t len) { 173| | return adler32_fold_copy_impl(adler, NULL, src, len, 0); 174| 90|} adler32_fold_copy_avx2: 176| 212|Z_INTERNAL uint32_t adler32_fold_copy_avx2(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len) { 177| 212| return adler32_fold_copy_impl(adler, dst, src, len, 1); 178| 212|} adler32_avx2.c:adler32_fold_copy_impl: 21| 302|static inline uint32_t adler32_fold_copy_impl(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len, const int COPY) { 22| 302| if (src == NULL) return 1L; ------------------ | Branch (22:9): [True: 0, False: 302] ------------------ 23| 302| if (len == 0) return adler; ------------------ | Branch (23:9): [True: 0, False: 302] ------------------ 24| | 25| 302| uint32_t adler0, adler1; 26| 302| adler1 = (adler >> 16) & 0xffff; 27| 302| adler0 = adler & 0xffff; 28| | 29| 552|rem_peel: 30| 552| if (len < 16) { ------------------ | Branch (30:9): [True: 131, False: 421] ------------------ 31| 131| if (COPY) { ------------------ | Branch (31:13): [True: 85, False: 46] ------------------ 32| 85| return adler32_copy_len_16(adler0, src, dst, len, adler1); 33| 85| } else { 34| 46| return adler32_len_16(adler0, src, len, adler1); 35| 46| } 36| 421| } else if (len < 32) { ------------------ | Branch (36:16): [True: 120, False: 301] ------------------ 37| 120| if (COPY) { ------------------ | Branch (37:13): [True: 83, False: 37] ------------------ 38| 83| return adler32_fold_copy_sse42(adler, dst, src, len); 39| 83| } else { 40| 37| return adler32_ssse3(adler, src, len); 41| 37| } 42| 120| } 43| | 44| 301| __m256i vs1, vs2, vs2_0; 45| | 46| 301| const __m256i dot2v = _mm256_setr_epi8(64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 47| 301| 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33); 48| 301| const __m256i dot2v_0 = _mm256_setr_epi8(32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 49| 301| 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1); 50| 301| const __m256i dot3v = _mm256_set1_epi16(1); 51| 301| const __m256i zero = _mm256_setzero_si256(); 52| | 53| 1.97k| while (len >= 32) { ------------------ | Branch (53:12): [True: 1.67k, False: 301] ------------------ 54| 1.67k| vs1 = _mm256_zextsi128_si256(_mm_cvtsi32_si128(adler0)); 55| 1.67k| vs2 = _mm256_zextsi128_si256(_mm_cvtsi32_si128(adler1)); 56| 1.67k| __m256i vs1_0 = vs1; 57| 1.67k| __m256i vs3 = _mm256_setzero_si256(); 58| 1.67k| vs2_0 = vs3; 59| | 60| 1.67k| size_t k = MIN(len, NMAX); ------------------ | | 124| 1.67k|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 1.37k, False: 301] | | ------------------ ------------------ 61| 1.67k| k -= k % 32; 62| 1.67k| len -= k; 63| | 64| 128k| while (k >= 64) { ------------------ | Branch (64:16): [True: 126k, False: 1.67k] ------------------ 65| 126k| __m256i vbuf = _mm256_loadu_si256((__m256i*)src); 66| 126k| __m256i vbuf_0 = _mm256_loadu_si256((__m256i*)(src + 32)); 67| 126k| src += 64; 68| 126k| k -= 64; 69| | 70| 126k| __m256i vs1_sad = _mm256_sad_epu8(vbuf, zero); 71| 126k| __m256i vs1_sad2 = _mm256_sad_epu8(vbuf_0, zero); 72| | 73| 126k| if (COPY) { ------------------ | Branch (73:17): [True: 27.2k, False: 99.6k] ------------------ 74| 27.2k| _mm256_storeu_si256((__m256i*)dst, vbuf); 75| 27.2k| _mm256_storeu_si256((__m256i*)(dst + 32), vbuf_0); 76| 27.2k| dst += 64; 77| 27.2k| } 78| | 79| 126k| vs1 = _mm256_add_epi32(vs1, vs1_sad); 80| 126k| vs3 = _mm256_add_epi32(vs3, vs1_0); 81| 126k| __m256i v_short_sum2 = _mm256_maddubs_epi16(vbuf, dot2v); // sum 32 uint8s to 16 shorts 82| 126k| __m256i v_short_sum2_0 = _mm256_maddubs_epi16(vbuf_0, dot2v_0); // sum 32 uint8s to 16 shorts 83| 126k| __m256i vsum2 = _mm256_madd_epi16(v_short_sum2, dot3v); // sum 16 shorts to 8 uint32s 84| 126k| __m256i vsum2_0 = _mm256_madd_epi16(v_short_sum2_0, dot3v); // sum 16 shorts to 8 uint32s 85| 126k| vs1 = _mm256_add_epi32(vs1_sad2, vs1); 86| 126k| vs2 = _mm256_add_epi32(vsum2, vs2); 87| 126k| vs2_0 = _mm256_add_epi32(vsum2_0, vs2_0); 88| 126k| vs1_0 = vs1; 89| 126k| } 90| | 91| 1.67k| vs2 = _mm256_add_epi32(vs2_0, vs2); 92| 1.67k| vs3 = _mm256_slli_epi32(vs3, 6); 93| 1.67k| vs2 = _mm256_add_epi32(vs3, vs2); 94| 1.67k| vs3 = _mm256_setzero_si256(); 95| | 96| 3.19k| while (k >= 32) { ------------------ | Branch (96:16): [True: 1.52k, False: 1.67k] ------------------ 97| | /* 98| | vs1 = adler + sum(c[i]) 99| | vs2 = sum2 + 32 vs1 + sum( (32-i+1) c[i] ) 100| | */ 101| 1.52k| __m256i vbuf = _mm256_loadu_si256((__m256i*)src); 102| 1.52k| src += 32; 103| 1.52k| k -= 32; 104| | 105| 1.52k| __m256i vs1_sad = _mm256_sad_epu8(vbuf, zero); // Sum of abs diff, resulting in 2 x int32's 106| | 107| 1.52k| if (COPY) { ------------------ | Branch (107:17): [True: 359, False: 1.16k] ------------------ 108| 359| _mm256_storeu_si256((__m256i*)dst, vbuf); 109| 359| dst += 32; 110| 359| } 111| | 112| 1.52k| vs1 = _mm256_add_epi32(vs1, vs1_sad); 113| 1.52k| vs3 = _mm256_add_epi32(vs3, vs1_0); 114| 1.52k| __m256i v_short_sum2 = _mm256_maddubs_epi16(vbuf, dot2v_0); // sum 32 uint8s to 16 shorts 115| 1.52k| __m256i vsum2 = _mm256_madd_epi16(v_short_sum2, dot3v); // sum 16 shorts to 8 uint32s 116| 1.52k| vs2 = _mm256_add_epi32(vsum2, vs2); 117| 1.52k| vs1_0 = vs1; 118| 1.52k| } 119| | 120| | /* Defer the multiplication with 32 to outside of the loop */ 121| 1.67k| vs3 = _mm256_slli_epi32(vs3, 5); 122| 1.67k| vs2 = _mm256_add_epi32(vs2, vs3); 123| | 124| | /* The compiler is generating the following sequence for this integer modulus 125| | * when done the scalar way, in GPRs: 126| | 127| | adler = (s1_unpack[0] % BASE) + (s1_unpack[1] % BASE) + (s1_unpack[2] % BASE) + (s1_unpack[3] % BASE) + 128| | (s1_unpack[4] % BASE) + (s1_unpack[5] % BASE) + (s1_unpack[6] % BASE) + (s1_unpack[7] % BASE); 129| | 130| | mov $0x80078071,%edi // move magic constant into 32 bit register %edi 131| | ... 132| | vmovd %xmm1,%esi // move vector lane 0 to 32 bit register %esi 133| | mov %rsi,%rax // zero-extend this value to 64 bit precision in %rax 134| | imul %rdi,%rsi // do a signed multiplication with magic constant and vector element 135| | shr $0x2f,%rsi // shift right by 47 136| | imul $0xfff1,%esi,%esi // do a signed multiplication with value truncated to 32 bits with 0xfff1 137| | sub %esi,%eax // subtract lower 32 bits of original vector value from modified one above 138| | ... 139| | // repeats for each element with vpextract instructions 140| | 141| | This is tricky with AVX2 for a number of reasons: 142| | 1.) There's no 64 bit multiplication instruction, but there is a sequence to get there 143| | 2.) There's ways to extend vectors to 64 bit precision, but no simple way to truncate 144| | back down to 32 bit precision later (there is in AVX512) 145| | 3.) Full width integer multiplications aren't cheap 146| | 147| | We can, however, do a relatively cheap sequence for horizontal sums. 148| | Then, we simply do the integer modulus on the resulting 64 bit GPR, on a scalar value. It was 149| | previously thought that casting to 64 bit precision was needed prior to the horizontal sum, but 150| | that is simply not the case, as NMAX is defined as the maximum number of scalar sums that can be 151| | performed on the maximum possible inputs before overflow 152| | */ 153| | 154| | 155| | /* In AVX2-land, this trip through GPRs will probably be unavoidable, as there's no cheap and easy 156| | * conversion from 64 bit integer to 32 bit (needed for the inexpensive modulus with a constant). 157| | * This casting to 32 bit is cheap through GPRs (just register aliasing). See above for exactly 158| | * what the compiler is doing to avoid integer divisions. */ 159| 1.67k| adler0 = partial_hsum256(vs1) % BASE; ------------------ | | 11| 1.67k|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 160| 1.67k| adler1 = hsum256(vs2) % BASE; ------------------ | | 11| 1.67k|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 161| 1.67k| } 162| | 163| 301| adler = adler0 | (adler1 << 16); 164| | 165| 301| if (len) { ------------------ | Branch (165:9): [True: 250, False: 51] ------------------ 166| 250| goto rem_peel; 167| 250| } 168| | 169| 51| return adler; 170| 301|} adler32_avx2.c:partial_hsum256: 20| 1.67k|static inline uint32_t partial_hsum256(__m256i x) { 21| | /* We need a permutation vector to extract every other integer. The 22| | * rest are going to be zeros */ 23| 1.67k| const __m256i perm_vec = _mm256_setr_epi32(0, 2, 4, 6, 1, 1, 1, 1); 24| 1.67k| __m256i non_zero = _mm256_permutevar8x32_epi32(x, perm_vec); 25| 1.67k| __m128i non_zero_sse = _mm256_castsi256_si128(non_zero); 26| 1.67k| __m128i sum2 = _mm_add_epi32(non_zero_sse,_mm_unpackhi_epi64(non_zero_sse, non_zero_sse)); 27| | __m128i sum3 = _mm_add_epi32(sum2, _mm_shuffle_epi32(sum2, 1)); 28| 1.67k| return (uint32_t)_mm_cvtsi128_si32(sum3); 29| 1.67k|} adler32_avx2.c:hsum256: 12| 1.67k|static inline uint32_t hsum256(__m256i x) { 13| 1.67k| __m128i sum1 = _mm_add_epi32(_mm256_extracti128_si256(x, 1), 14| 1.67k| _mm256_castsi256_si128(x)); 15| 1.67k| __m128i sum2 = _mm_add_epi32(sum1, _mm_unpackhi_epi64(sum1, sum1)); 16| | __m128i sum3 = _mm_add_epi32(sum2, _mm_shuffle_epi32(sum2, 1)); 17| 1.67k| return (uint32_t)_mm_cvtsi128_si32(sum3); 18| 1.67k|} adler32_fold_copy_sse42: 16| 83|Z_INTERNAL uint32_t adler32_fold_copy_sse42(uint32_t adler, uint8_t *dst, const uint8_t *src, size_t len) { 17| 83| uint32_t adler0, adler1; 18| 83| adler1 = (adler >> 16) & 0xffff; 19| 83| adler0 = adler & 0xffff; 20| | 21| 163|rem_peel: 22| 163| if (len < 16) { ------------------ | Branch (22:9): [True: 80, False: 83] ------------------ 23| 80| return adler32_copy_len_16(adler0, src, dst, len, adler1); 24| 80| } 25| | 26| 83| __m128i vbuf, vbuf_0; 27| 83| __m128i vs1_0, vs3, vs1, vs2, vs2_0, v_sad_sum1, v_short_sum2, v_short_sum2_0, 28| 83| v_sad_sum2, vsum2, vsum2_0; 29| 83| __m128i zero = _mm_setzero_si128(); 30| 83| const __m128i dot2v = _mm_setr_epi8(32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17); 31| 83| const __m128i dot2v_0 = _mm_setr_epi8(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1); 32| 83| const __m128i dot3v = _mm_set1_epi16(1); 33| 83| size_t k; 34| | 35| 166| while (len >= 16) { ------------------ | Branch (35:12): [True: 83, False: 83] ------------------ 36| | 37| 83| k = MIN(len, NMAX); ------------------ | | 124| 83|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 0, False: 83] | | ------------------ ------------------ 38| 83| k -= k % 16; 39| 83| len -= k; 40| | 41| 83| vs1 = _mm_cvtsi32_si128(adler0); 42| 83| vs2 = _mm_cvtsi32_si128(adler1); 43| | 44| 83| vs3 = _mm_setzero_si128(); 45| 83| vs2_0 = _mm_setzero_si128(); 46| 83| vs1_0 = vs1; 47| | 48| 83| while (k >= 32) { ------------------ | Branch (48:16): [True: 0, False: 83] ------------------ 49| | /* 50| | vs1 = adler + sum(c[i]) 51| | vs2 = sum2 + 16 vs1 + sum( (16-i+1) c[i] ) 52| | */ 53| 0| vbuf = _mm_loadu_si128((__m128i*)src); 54| 0| vbuf_0 = _mm_loadu_si128((__m128i*)(src + 16)); 55| 0| src += 32; 56| 0| k -= 32; 57| | 58| 0| v_sad_sum1 = _mm_sad_epu8(vbuf, zero); 59| 0| v_sad_sum2 = _mm_sad_epu8(vbuf_0, zero); 60| 0| _mm_storeu_si128((__m128i*)dst, vbuf); 61| 0| _mm_storeu_si128((__m128i*)(dst + 16), vbuf_0); 62| 0| dst += 32; 63| | 64| 0| v_short_sum2 = _mm_maddubs_epi16(vbuf, dot2v); 65| 0| v_short_sum2_0 = _mm_maddubs_epi16(vbuf_0, dot2v_0); 66| | 67| 0| vs1 = _mm_add_epi32(v_sad_sum1, vs1); 68| 0| vs3 = _mm_add_epi32(vs1_0, vs3); 69| | 70| 0| vsum2 = _mm_madd_epi16(v_short_sum2, dot3v); 71| 0| vsum2_0 = _mm_madd_epi16(v_short_sum2_0, dot3v); 72| 0| vs1 = _mm_add_epi32(v_sad_sum2, vs1); 73| 0| vs2 = _mm_add_epi32(vsum2, vs2); 74| 0| vs2_0 = _mm_add_epi32(vsum2_0, vs2_0); 75| 0| vs1_0 = vs1; 76| 0| } 77| | 78| 83| vs2 = _mm_add_epi32(vs2_0, vs2); 79| 83| vs3 = _mm_slli_epi32(vs3, 5); 80| 83| vs2 = _mm_add_epi32(vs3, vs2); 81| 83| vs3 = _mm_setzero_si128(); 82| | 83| 166| while (k >= 16) { ------------------ | Branch (83:16): [True: 83, False: 83] ------------------ 84| | /* 85| | vs1 = adler + sum(c[i]) 86| | vs2 = sum2 + 16 vs1 + sum( (16-i+1) c[i] ) 87| | */ 88| 83| vbuf = _mm_loadu_si128((__m128i*)src); 89| 83| src += 16; 90| 83| k -= 16; 91| | 92| 83| v_sad_sum1 = _mm_sad_epu8(vbuf, zero); 93| 83| v_short_sum2 = _mm_maddubs_epi16(vbuf, dot2v_0); 94| | 95| 83| vs1 = _mm_add_epi32(v_sad_sum1, vs1); 96| 83| vs3 = _mm_add_epi32(vs1_0, vs3); 97| 83| vsum2 = _mm_madd_epi16(v_short_sum2, dot3v); 98| 83| vs2 = _mm_add_epi32(vsum2, vs2); 99| 83| vs1_0 = vs1; 100| | 101| 83| _mm_storeu_si128((__m128i*)dst, vbuf); 102| 83| dst += 16; 103| 83| } 104| | 105| 83| vs3 = _mm_slli_epi32(vs3, 4); 106| 83| vs2 = _mm_add_epi32(vs2, vs3); 107| | 108| 83| adler0 = partial_hsum(vs1) % BASE; ------------------ | | 11| 83|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 109| 83| adler1 = hsum(vs2) % BASE; ------------------ | | 11| 83|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 110| 83| } 111| | 112| | /* If this is true, there's fewer than 16 elements remaining */ 113| 83| if (len) { ------------------ | Branch (113:9): [True: 80, False: 3] ------------------ 114| 80| goto rem_peel; 115| 80| } 116| | 117| 3| return adler0 | (adler1 << 16); 118| 83|} adler32_ssse3: 17| 37|Z_INTERNAL uint32_t adler32_ssse3(uint32_t adler, const uint8_t *buf, size_t len) { 18| 37| uint32_t sum2; 19| | 20| | /* split Adler-32 into component sums */ 21| 37| sum2 = (adler >> 16) & 0xffff; 22| 37| adler &= 0xffff; 23| | 24| | /* in case user likes doing a byte at a time, keep it fast */ 25| 37| if (UNLIKELY(len == 1)) ------------------ | | 214| 37|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 0, False: 37] | | ------------------ ------------------ 26| 0| return adler32_len_1(adler, buf, sum2); 27| | 28| | /* initial Adler-32 value (deferred check for len == 1 speed) */ 29| 37| if (UNLIKELY(buf == NULL)) ------------------ | | 214| 37|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 0, False: 37] | | ------------------ ------------------ 30| 0| return 1L; 31| | 32| | /* in case short lengths are provided, keep it somewhat fast */ 33| 37| if (UNLIKELY(len < 16)) ------------------ | | 214| 37|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 0, False: 37] | | ------------------ ------------------ 34| 0| return adler32_len_16(adler, buf, len, sum2); 35| | 36| 37| const __m128i dot2v = _mm_setr_epi8(32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17); 37| 37| const __m128i dot2v_0 = _mm_setr_epi8(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1); 38| 37| const __m128i dot3v = _mm_set1_epi16(1); 39| 37| const __m128i zero = _mm_setzero_si128(); 40| | 41| 37| __m128i vbuf, vs1_0, vs3, vs1, vs2, vs2_0, v_sad_sum1, v_short_sum2, v_short_sum2_0, 42| 37| vbuf_0, v_sad_sum2, vsum2, vsum2_0; 43| | 44| | /* If our buffer is unaligned (likely), make the determination whether 45| | * or not there's enough of a buffer to consume to make the scalar, aligning 46| | * additions worthwhile or if it's worth it to just eat the cost of an unaligned 47| | * load. This is a pretty simple test, just test if 16 - the remainder + len is 48| | * < 16 */ 49| 37| size_t max_iters = NMAX; ------------------ | | 12| 37|#define NMAX 5552 ------------------ 50| 37| size_t rem = (uintptr_t)buf & 15; 51| 37| size_t align_offset = 16 - rem; 52| 37| size_t k = 0; 53| 37| if (rem) { ------------------ | Branch (53:9): [True: 0, False: 37] ------------------ 54| 0| if (len < 16 + align_offset) { ------------------ | Branch (54:13): [True: 0, False: 0] ------------------ 55| | /* Let's eat the cost of this one unaligned load so that 56| | * we don't completely skip over the vectorization. Doing 57| | * 16 bytes at a time unaligned is better than 16 + <= 15 58| | * sums */ 59| 0| vbuf = _mm_loadu_si128((__m128i*)buf); 60| 0| len -= 16; 61| 0| buf += 16; 62| 0| vs1 = _mm_cvtsi32_si128(adler); 63| 0| vs2 = _mm_cvtsi32_si128(sum2); 64| 0| vs3 = _mm_setzero_si128(); 65| 0| vs1_0 = vs1; 66| 0| goto unaligned_jmp; 67| 0| } 68| | 69| 0| for (size_t i = 0; i < align_offset; ++i) { ------------------ | Branch (69:28): [True: 0, False: 0] ------------------ 70| 0| adler += *(buf++); 71| 0| sum2 += adler; 72| 0| } 73| | 74| | /* lop off the max number of sums based on the scalar sums done 75| | * above */ 76| 0| len -= align_offset; 77| 0| max_iters -= align_offset; 78| 0| } 79| | 80| | 81| 74| while (len >= 16) { ------------------ | Branch (81:12): [True: 37, False: 37] ------------------ 82| 37| vs1 = _mm_cvtsi32_si128(adler); 83| 37| vs2 = _mm_cvtsi32_si128(sum2); 84| 37| vs3 = _mm_setzero_si128(); 85| 37| vs2_0 = _mm_setzero_si128(); 86| 37| vs1_0 = vs1; 87| | 88| 37| k = (len < max_iters ? len : max_iters); ------------------ | Branch (88:14): [True: 37, False: 0] ------------------ 89| 37| k -= k % 16; 90| 37| len -= k; 91| | 92| 37| while (k >= 32) { ------------------ | Branch (92:16): [True: 0, False: 37] ------------------ 93| | /* 94| | vs1 = adler + sum(c[i]) 95| | vs2 = sum2 + 16 vs1 + sum( (16-i+1) c[i] ) 96| | */ 97| 0| vbuf = _mm_load_si128((__m128i*)buf); 98| 0| vbuf_0 = _mm_load_si128((__m128i*)(buf + 16)); 99| 0| buf += 32; 100| 0| k -= 32; 101| | 102| 0| v_sad_sum1 = _mm_sad_epu8(vbuf, zero); 103| 0| v_sad_sum2 = _mm_sad_epu8(vbuf_0, zero); 104| 0| vs1 = _mm_add_epi32(v_sad_sum1, vs1); 105| 0| vs3 = _mm_add_epi32(vs1_0, vs3); 106| | 107| 0| vs1 = _mm_add_epi32(v_sad_sum2, vs1); 108| 0| v_short_sum2 = _mm_maddubs_epi16(vbuf, dot2v); 109| 0| vsum2 = _mm_madd_epi16(v_short_sum2, dot3v); 110| 0| v_short_sum2_0 = _mm_maddubs_epi16(vbuf_0, dot2v_0); 111| 0| vs2 = _mm_add_epi32(vsum2, vs2); 112| 0| vsum2_0 = _mm_madd_epi16(v_short_sum2_0, dot3v); 113| 0| vs2_0 = _mm_add_epi32(vsum2_0, vs2_0); 114| 0| vs1_0 = vs1; 115| 0| } 116| | 117| 37| vs2 = _mm_add_epi32(vs2_0, vs2); 118| 37| vs3 = _mm_slli_epi32(vs3, 5); 119| 37| vs2 = _mm_add_epi32(vs3, vs2); 120| 37| vs3 = _mm_setzero_si128(); 121| | 122| 74| while (k >= 16) { ------------------ | Branch (122:16): [True: 37, False: 37] ------------------ 123| | /* 124| | vs1 = adler + sum(c[i]) 125| | vs2 = sum2 + 16 vs1 + sum( (16-i+1) c[i] ) 126| | */ 127| 37| vbuf = _mm_load_si128((__m128i*)buf); 128| 37| buf += 16; 129| 37| k -= 16; 130| | 131| 37|unaligned_jmp: 132| 37| v_sad_sum1 = _mm_sad_epu8(vbuf, zero); 133| 37| vs1 = _mm_add_epi32(v_sad_sum1, vs1); 134| 37| vs3 = _mm_add_epi32(vs1_0, vs3); 135| 37| v_short_sum2 = _mm_maddubs_epi16(vbuf, dot2v_0); 136| 37| vsum2 = _mm_madd_epi16(v_short_sum2, dot3v); 137| 37| vs2 = _mm_add_epi32(vsum2, vs2); 138| 37| vs1_0 = vs1; 139| 37| } 140| | 141| 37| vs3 = _mm_slli_epi32(vs3, 4); 142| 37| vs2 = _mm_add_epi32(vs2, vs3); 143| | 144| | /* We don't actually need to do a full horizontal sum, since psadbw is actually doing 145| | * a partial reduction sum implicitly and only summing to integers in vector positions 146| | * 0 and 2. This saves us some contention on the shuffle port(s) */ 147| 37| adler = partial_hsum(vs1) % BASE; ------------------ | | 11| 37|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 148| 37| sum2 = hsum(vs2) % BASE; ------------------ | | 11| 37|#define BASE 65521U /* largest prime smaller than 65536 */ ------------------ 149| 37| max_iters = NMAX; ------------------ | | 12| 37|#define NMAX 5552 ------------------ 150| 37| } 151| | 152| | /* Process tail (len < 16). */ 153| 37| return adler32_len_16(adler, buf, len, sum2); 154| 37|} adler32_ssse3.c:partial_hsum: 14| 37|static inline uint32_t partial_hsum(__m128i x) { 15| | __m128i second_int = _mm_srli_si128(x, 8); 16| 37| __m128i sum = _mm_add_epi32(x, second_int); 17| 37| return _mm_cvtsi128_si32(sum); 18| 37|} adler32_ssse3.c:hsum: 20| 37|static inline uint32_t hsum(__m128i x) { 21| 37| __m128i sum1 = _mm_unpackhi_epi64(x, x); 22| 37| __m128i sum2 = _mm_add_epi32(x, sum1); 23| | __m128i sum3 = _mm_shuffle_epi32(sum2, 0x01); 24| 37| __m128i sum4 = _mm_add_epi32(sum2, sum3); 25| 37| return _mm_cvtsi128_si32(sum4); 26| 37|} adler32_sse42.c:partial_hsum: 14| 83|static inline uint32_t partial_hsum(__m128i x) { 15| | __m128i second_int = _mm_srli_si128(x, 8); 16| 83| __m128i sum = _mm_add_epi32(x, second_int); 17| 83| return _mm_cvtsi128_si32(sum); 18| 83|} adler32_sse42.c:hsum: 20| 83|static inline uint32_t hsum(__m128i x) { 21| 83| __m128i sum1 = _mm_unpackhi_epi64(x, x); 22| 83| __m128i sum2 = _mm_add_epi32(x, sum1); 23| | __m128i sum3 = _mm_shuffle_epi32(sum2, 0x01); 24| 83| __m128i sum4 = _mm_add_epi32(sum2, sum3); 25| 83| return _mm_cvtsi128_si32(sum4); 26| 83|} chunkset_avx2.c:loadhalfchunk: 91| 103|static inline void loadhalfchunk(uint8_t const *s, halfchunk_t *chunk) { 92| 103| *chunk = _mm_loadu_si128((__m128i *)s); 93| 103|} chunkset_avx2.c:GET_HALFCHUNK_MAG: 105| 10.4k|static inline halfchunk_t GET_HALFCHUNK_MAG(uint8_t *buf, uint32_t *chunk_rem, uint32_t dist) { 106| 10.4k| lut_rem_pair lut_rem = perm_idx_lut[dist - 3]; 107| 10.4k| __m128i perm_vec, ret_vec; 108| 10.4k| __msan_unpoison(buf + dist, 16 - dist); ------------------ | | 338| 10.4k|# define __msan_unpoison(a, size) do { Z_UNUSED(a); Z_UNUSED(size); } while (0) | | ------------------ | | | | 128| 10.4k|#define Z_UNUSED(var) (void)(var) | | ------------------ | | # define __msan_unpoison(a, size) do { Z_UNUSED(a); Z_UNUSED(size); } while (0) | | ------------------ | | | | 128| 10.4k|#define Z_UNUSED(var) (void)(var) | | ------------------ | | | Branch (338:79): [Folded, False: 10.4k] | | ------------------ ------------------ 109| 10.4k| ret_vec = _mm_loadu_si128((__m128i*)buf); 110| 10.4k| *chunk_rem = half_rem_vals[dist - 3]; 111| | 112| 10.4k| perm_vec = _mm_load_si128((__m128i*)(permute_table + lut_rem.idx)); 113| 10.4k| ret_vec = _mm_shuffle_epi8(ret_vec, perm_vec); 114| | 115| 10.4k| return ret_vec; 116| 10.4k|} chunkset_avx2.c:storehalfchunk: 95| 684|static inline void storehalfchunk(uint8_t *out, halfchunk_t *chunk) { 96| 684| _mm_storeu_si128((__m128i *)out, *chunk); 97| 684|} chunkset_avx2.c:halfchunk2whole: 99| 10.4k|static inline chunk_t halfchunk2whole(halfchunk_t *chunk) { 100| | /* We zero extend mostly to appease some memory sanitizers. These bytes are ultimately 101| | * unlikely to be actually written or read from */ 102| 10.4k| return _mm256_zextsi128_si256(*chunk); 103| 10.4k|} chunkset_avx2.c:chunkmemset_2: 22| 8.06k|static inline void chunkmemset_2(uint8_t *from, chunk_t *chunk) { 23| 8.06k| *chunk = _mm256_set1_epi16(zng_memread_2(from)); 24| 8.06k|} chunkset_avx2.c:chunkmemset_4: 26| 20.4k|static inline void chunkmemset_4(uint8_t *from, chunk_t *chunk) { 27| 20.4k| *chunk = _mm256_set1_epi32(zng_memread_4(from)); 28| 20.4k|} chunkset_avx2.c:chunkmemset_8: 30| 2.14k|static inline void chunkmemset_8(uint8_t *from, chunk_t *chunk) { 31| 2.14k| *chunk = _mm256_set1_epi64x(zng_memread_8(from)); 32| 2.14k|} chunkset_avx2.c:chunkmemset_16: 34| 1.05k|static inline void chunkmemset_16(uint8_t *from, chunk_t *chunk) { 35| | /* See explanation in chunkset_avx512.c */ 36| |#if defined(_MSC_VER) && _MSC_VER <= 1900 37| | halfchunk_t half = _mm_loadu_si128((__m128i*)from); 38| | *chunk = _mm256_inserti128_si256(_mm256_castsi128_si256(half), half, 1); 39| |#else 40| 1.05k| *chunk = _mm256_broadcastsi128_si256(_mm_loadu_si128((__m128i*)from)); 41| 1.05k|#endif 42| 1.05k|} chunkset_avx2.c:GET_CHUNK_MAG: 52| 2.90k|static inline chunk_t GET_CHUNK_MAG(uint8_t *buf, uint32_t *chunk_rem, uint32_t dist) { 53| 2.90k| lut_rem_pair lut_rem = perm_idx_lut[dist - 3]; 54| 2.90k| __m256i ret_vec; 55| | /* While technically we only need to read 4 or 8 bytes into this vector register for a lot of cases, GCC is 56| | * compiling this to a shared load for all branches, preferring the simpler code. Given that the buf value isn't in 57| | * GPRs to begin with the 256 bit load is _probably_ just as inexpensive */ 58| 2.90k| *chunk_rem = lut_rem.remval; 59| | 60| | /* See note in chunkset_ssse3.c for why this is ok */ 61| 2.90k| __msan_unpoison(buf + dist, 32 - dist); ------------------ | | 338| 2.90k|# define __msan_unpoison(a, size) do { Z_UNUSED(a); Z_UNUSED(size); } while (0) | | ------------------ | | | | 128| 2.90k|#define Z_UNUSED(var) (void)(var) | | ------------------ | | # define __msan_unpoison(a, size) do { Z_UNUSED(a); Z_UNUSED(size); } while (0) | | ------------------ | | | | 128| 2.90k|#define Z_UNUSED(var) (void)(var) | | ------------------ | | | Branch (338:79): [Folded, False: 2.90k] | | ------------------ ------------------ 62| | 63| 2.90k| if (dist < 16) { ------------------ | Branch (63:9): [True: 2.37k, False: 524] ------------------ 64| | /* This simpler case still requires us to shuffle in 128 bit lanes, so we must apply a static offset after 65| | * broadcasting the first vector register to both halves. This is _marginally_ faster than doing two separate 66| | * shuffles and combining the halves later */ 67| 2.37k| const __m256i permute_xform = 68| 2.37k| _mm256_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 69| 2.37k| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16); 70| 2.37k| __m256i perm_vec = _mm256_load_si256((__m256i*)(permute_table+lut_rem.idx)); 71| 2.37k| __m128i ret_vec0 = _mm_loadu_si128((__m128i*)buf); 72| 2.37k| perm_vec = _mm256_add_epi8(perm_vec, permute_xform); 73| 2.37k| ret_vec = _mm256_inserti128_si256(_mm256_castsi128_si256(ret_vec0), ret_vec0, 1); 74| 2.37k| ret_vec = _mm256_shuffle_epi8(ret_vec, perm_vec); 75| 2.37k| } else { 76| 524| __m128i ret_vec0 = _mm_loadu_si128((__m128i*)buf); 77| 524| __m128i ret_vec1 = _mm_loadu_si128((__m128i*)(buf + 16)); 78| | /* Take advantage of the fact that only the latter half of the 256 bit vector will actually differ */ 79| 524| __m128i perm_vec1 = _mm_load_si128((__m128i*)(permute_table + lut_rem.idx)); 80| 524| __m128i xlane_permutes = _mm_cmpgt_epi8(_mm_set1_epi8(16), perm_vec1); 81| 524| __m128i xlane_res = _mm_shuffle_epi8(ret_vec0, perm_vec1); 82| | /* Since we can't wrap twice, we can simply keep the later half exactly how it is instead of having to _also_ 83| | * shuffle those values */ 84| 524| __m128i latter_half = _mm_blendv_epi8(ret_vec1, xlane_res, xlane_permutes); 85| 524| ret_vec = _mm256_inserti128_si256(_mm256_castsi128_si256(ret_vec0), latter_half, 1); 86| 524| } 87| | 88| 2.90k| return ret_vec; 89| 2.90k|} chunkset_avx2.c:storechunk: 48| 133k|static inline void storechunk(uint8_t *out, chunk_t *chunk) { 49| 133k| _mm256_storeu_si256((__m256i *)out, *chunk); 50| 133k|} chunkset_avx2.c:loadchunk: 44| 121k|static inline void loadchunk(uint8_t const *s, chunk_t *chunk) { 45| 121k| *chunk = _mm256_loadu_si256((__m256i *)s); 46| 121k|} x86_check_features: 79| 1|void Z_INTERNAL x86_check_features(struct x86_cpu_features *features) { 80| 1| unsigned eax, ebx, ecx, edx; 81| 1| unsigned maxbasic; 82| | 83| 1| cpuid(0, &maxbasic, &ebx, &ecx, &edx); 84| 1| cpuid(1 /*CPU_PROCINFO_AND_FEATUREBITS*/, &eax, &ebx, &ecx, &edx); 85| | 86| 1| features->has_sse2 = edx & 0x4000000; 87| 1| features->has_ssse3 = ecx & 0x200; 88| 1| features->has_sse41 = ecx & 0x80000; 89| 1| features->has_sse42 = ecx & 0x100000; 90| 1| features->has_pclmulqdq = ecx & 0x2; 91| | 92| 1| if (ecx & 0x08000000) { ------------------ | Branch (92:9): [True: 1, False: 0] ------------------ 93| 1| uint64_t xfeature = xgetbv(0); 94| | 95| 1| features->has_os_save_ymm = ((xfeature & 0x06) == 0x06); 96| 1| features->has_os_save_zmm = ((xfeature & 0xe6) == 0xe6); 97| 1| } 98| | 99| 1| if (maxbasic >= 7) { ------------------ | Branch (99:9): [True: 1, False: 0] ------------------ 100| | // Reference: https://software.intel.com/sites/default/files/article/405250/how-to-detect-new-instruction-support-in-the-4th-generation-intel-core-processor-family.pdf 101| 1| cpuidex(7, 0, &eax, &ebx, &ecx, &edx); 102| | 103| | // check BMI2 bit 104| 1| features->has_bmi2 = ebx & 0x100; 105| | 106| | // check AVX2 bit if the OS supports saving YMM registers 107| 1| if (features->has_os_save_ymm) { ------------------ | Branch (107:13): [True: 1, False: 0] ------------------ 108| 1| features->has_avx2 = ebx & 0x20; 109| 1| } 110| | 111| | // check AVX512 bits if the OS supports saving ZMM registers 112| 1| if (features->has_os_save_zmm) { ------------------ | Branch (112:13): [True: 0, False: 1] ------------------ 113| 0| features->has_avx512f = ebx & 0x00010000; 114| 0| if (features->has_avx512f) { ------------------ | Branch (114:17): [True: 0, False: 0] ------------------ 115| | // According to the Intel Software Developer's Manual, AVX512F must be enabled too in order to enable 116| | // AVX512(DQ,BW,VL). 117| 0| features->has_avx512dq = ebx & 0x00020000; 118| 0| features->has_avx512bw = ebx & 0x40000000; 119| 0| features->has_avx512vl = ebx & 0x80000000; 120| 0| } 121| 0| features->has_avx512_common = features->has_avx512f && features->has_avx512dq && features->has_avx512bw \ ------------------ | Branch (121:43): [True: 0, False: 0] | Branch (121:68): [True: 0, False: 0] | Branch (121:94): [True: 0, False: 0] ------------------ 122| 0| && features->has_avx512vl && features->has_bmi2; ------------------ | Branch (122:18): [True: 0, False: 0] | Branch (122:44): [True: 0, False: 0] ------------------ 123| 0| features->has_avx512vnni = ecx & 0x800; 124| 0| features->has_vpclmulqdq = ecx & 0x400; 125| 0| } 126| 1| } 127| 1|} x86_features.c:cpuid: 30| 2|static inline void cpuid(int info, unsigned* eax, unsigned* ebx, unsigned* ecx, unsigned* edx) { 31| |#if defined(HAVE_CPUID_MS) 32| | unsigned int registers[4]; 33| | __cpuid((int *)registers, info); 34| | 35| | *eax = registers[0]; 36| | *ebx = registers[1]; 37| | *ecx = registers[2]; 38| | *edx = registers[3]; 39| |#elif defined(HAVE_CPUID_GNU) 40| | *eax = *ebx = *ecx = *edx = 0; 41| 2| __cpuid(info, *eax, *ebx, *ecx, *edx); 42| |#else 43| | /* When using this fallback, the faster SSE/AVX code is disabled */ 44| | *eax = *ebx = *ecx = *edx = 0; 45| |#endif 46| 2|} x86_features.c:xgetbv: 66| 1|static inline uint64_t xgetbv(unsigned int xcr) { 67| 1|#if defined(_MSC_VER) || defined(X86_HAVE_XSAVE_INTRIN) 68| 1| return _xgetbv(xcr); 69| |#elif defined(__GNUC__) 70| | uint32_t eax, edx; 71| | __asm__ ( ".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c"(xcr)); 72| | return (uint64_t)(edx) << 32 | eax; 73| |#else 74| | /* When using this fallback, some of the faster code is disabled */ 75| | return 0; 76| |#endif 77| 1|} x86_features.c:cpuidex: 48| 1|static inline void cpuidex(int info, int subinfo, unsigned* eax, unsigned* ebx, unsigned* ecx, unsigned* edx) { 49| |#if defined(HAVE_CPUID_MS) 50| | unsigned int registers[4]; 51| | __cpuidex((int *)registers, info, subinfo); 52| | 53| | *eax = registers[0]; 54| | *ebx = registers[1]; 55| | *ecx = registers[2]; 56| | *edx = registers[3]; 57| |#elif defined(HAVE_CPUID_GNU) 58| | *eax = *ebx = *ecx = *edx = 0; 59| 1| __cpuid_count(info, subinfo, *eax, *ebx, *ecx, *edx); 60| |#else 61| | /* When using this fallback, the faster SSE/AVX code is disabled */ 62| | *eax = *ebx = *ecx = *edx = 0; 63| |#endif 64| 1|} chunkmemset_safe_avx2: 229| 3.01k|Z_INTERNAL uint8_t* CHUNKMEMSET_SAFE(uint8_t *out, uint8_t *from, unsigned len, unsigned left) { 230| |#if OPTIMAL_CMP < 32 231| | static const uint32_t align_mask = 7; 232| |#elif OPTIMAL_CMP == 32 233| | static const uint32_t align_mask = 3; 234| |#endif 235| | 236| 3.01k| len = MIN(len, left); ------------------ | | 124| 3.01k|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 0, False: 3.01k] | | ------------------ ------------------ 237| | 238| |#if OPTIMAL_CMP < 64 239| | while (((uintptr_t)out & align_mask) && (len > 0)) { 240| | *out++ = *from++; 241| | --len; 242| | --left; 243| | } 244| |#endif 245| | 246| 3.01k|#ifndef HAVE_MASKED_READWRITE 247| 3.01k| if (UNLIKELY(left < sizeof(chunk_t))) { ------------------ | | 214| 3.01k|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 269, False: 2.74k] | | ------------------ ------------------ 248| 2.00k| while (len > 0) { ------------------ | Branch (248:16): [True: 1.73k, False: 269] ------------------ 249| 1.73k| *out++ = *from++; 250| 1.73k| --len; 251| 1.73k| } 252| | 253| 269| return out; 254| 269| } 255| 2.74k|#endif 256| | 257| 2.74k| if (len) ------------------ | Branch (257:9): [True: 2.74k, False: 0] ------------------ 258| 2.74k| out = CHUNKMEMSET(out, from, len); ------------------ | | 121| 2.74k|#define CHUNKMEMSET chunkmemset_avx2 ------------------ 259| | 260| 2.74k| return out; 261| 3.01k|} chunkset_avx2.c:chunkmemset_avx2: 112| 58.5k|static inline uint8_t* CHUNKMEMSET(uint8_t *out, uint8_t *from, unsigned len) { 113| | /* Debug performance related issues when len < sizeof(uint64_t): 114| | Assert(len >= sizeof(uint64_t), "chunkmemset should be called on larger chunks"); */ 115| 58.5k| Assert(from != out, "chunkmemset cannot have a distance 0"); 116| | 117| 58.5k| chunk_t chunk_load; 118| 58.5k| uint32_t chunk_mod = 0; 119| 58.5k| uint32_t adv_amount; 120| 58.5k| int64_t sdist = out - from; 121| 58.5k| uint64_t dist = llabs(sdist); 122| | 123| | /* We are supporting the case for when we are reading bytes from ahead in the buffer. 124| | * We now have to handle this, though it wasn't _quite_ clear if this rare circumstance 125| | * always needed to be handled here or if we're just now seeing it because we are 126| | * dispatching to this function, more */ 127| 58.5k| if (sdist < 0 && dist < len) { ------------------ | Branch (127:9): [True: 0, False: 58.5k] | Branch (127:22): [True: 0, False: 0] ------------------ 128| |#ifdef HAVE_MASKED_READWRITE 129| | /* We can still handle this case if we can mitigate over writing _and_ we 130| | * fit the entirety of the copy length with one load */ 131| | if (len <= sizeof(chunk_t)) { 132| | /* Tempting to add a goto to the block below but hopefully most compilers 133| | * collapse these identical code segments as one label to jump to */ 134| | return CHUNKCOPY(out, from, len); 135| | } 136| |#endif 137| | /* Here the memmove semantics match perfectly, as when this happens we are 138| | * effectively sliding down the contents of memory by dist bytes */ 139| 0| memmove(out, from, len); 140| 0| return out + len; 141| 0| } 142| | 143| 58.5k| if (dist == 1) { ------------------ | Branch (143:9): [True: 12.9k, False: 45.5k] ------------------ 144| 12.9k| memset(out, *from, len); 145| 12.9k| return out + len; 146| 45.5k| } else if (dist >= sizeof(chunk_t)) { ------------------ | Branch (146:16): [True: 423, False: 45.1k] ------------------ 147| 423| return CHUNKCOPY(out, from, len); ------------------ | | 119| 423|#define CHUNKCOPY chunkcopy_avx2 ------------------ 148| 423| } 149| | 150| | /* Only AVX2+ as there's 128 bit vectors and 256 bit. We allow for shorter vector 151| | * lengths because they serve to allow more cases to fall into chunkcopy, as the 152| | * distance of the shorter length is still deemed a safe distance. We rewrite this 153| | * here rather than calling the ssse3 variant directly now because doing so required 154| | * dispatching to another function and broke inlining for this function entirely. We 155| | * also can merge an assert and some remainder peeling behavior into the same code blocks, 156| | * making the code a little smaller. */ 157| 45.1k|#ifdef HAVE_HALF_CHUNK 158| 45.1k| if (len <= sizeof(halfchunk_t)) { ------------------ | Branch (158:9): [True: 36.6k, False: 8.54k] ------------------ 159| 36.6k| if (dist >= sizeof(halfchunk_t)) ------------------ | Branch (159:13): [True: 103, False: 36.5k] ------------------ 160| 103| return HALFCHUNKCOPY(out, from, len); 161| | 162| 36.5k| if ((dist % 2) != 0 || dist == 6) { ------------------ | Branch (162:13): [True: 9.79k, False: 26.7k] | Branch (162:32): [True: 651, False: 26.0k] ------------------ 163| 10.4k| halfchunk_t halfchunk_load = GET_HALFCHUNK_MAG(from, &chunk_mod, (unsigned)dist); 164| | 165| 10.4k| if (len == sizeof(halfchunk_t)) { ------------------ | Branch (165:17): [True: 581, False: 9.86k] ------------------ 166| 581| storehalfchunk(out, &halfchunk_load); 167| 581| len -= sizeof(halfchunk_t); 168| 581| out += sizeof(halfchunk_t); 169| 581| } 170| | 171| 10.4k| chunk_load = halfchunk2whole(&halfchunk_load); 172| 10.4k| goto rem_bytes; 173| 10.4k| } 174| 36.5k| } 175| 34.6k|#endif 176| | 177| 34.6k|#ifdef HAVE_CHUNKMEMSET_2 178| 34.6k| if (dist == 2) { ------------------ | Branch (178:9): [True: 8.06k, False: 26.5k] ------------------ 179| 8.06k| chunkmemset_2(from, &chunk_load); 180| 8.06k| } else 181| 26.5k|#endif 182| 26.5k|#ifdef HAVE_CHUNKMEMSET_4 183| 26.5k| if (dist == 4) { ------------------ | Branch (183:9): [True: 20.4k, False: 6.09k] ------------------ 184| 20.4k| chunkmemset_4(from, &chunk_load); 185| 20.4k| } else 186| 6.09k|#endif 187| 6.09k|#ifdef HAVE_CHUNKMEMSET_8 188| 6.09k| if (dist == 8) { ------------------ | Branch (188:9): [True: 2.14k, False: 3.95k] ------------------ 189| 2.14k| chunkmemset_8(from, &chunk_load); 190| 2.14k| } else 191| 3.95k|#endif 192| 3.95k|#ifdef HAVE_CHUNKMEMSET_16 193| 3.95k| if (dist == 16) { ------------------ | Branch (193:9): [True: 1.05k, False: 2.90k] ------------------ 194| 1.05k| chunkmemset_16(from, &chunk_load); 195| 1.05k| } else 196| 2.90k|#endif 197| 2.90k| chunk_load = GET_CHUNK_MAG(from, &chunk_mod, (unsigned)dist); 198| | 199| 34.6k| adv_amount = sizeof(chunk_t) - chunk_mod; 200| | 201| 38.2k| while (len >= (2 * sizeof(chunk_t))) { ------------------ | Branch (201:12): [True: 3.59k, False: 34.6k] ------------------ 202| 3.59k| storechunk(out, &chunk_load); 203| 3.59k| storechunk(out + adv_amount, &chunk_load); 204| 3.59k| out += 2 * adv_amount; 205| 3.59k| len -= 2 * adv_amount; 206| 3.59k| } 207| | 208| | /* If we don't have a "dist" length that divides evenly into a vector 209| | * register, we can write the whole vector register but we need only 210| | * advance by the amount of the whole string that fits in our chunk_t. 211| | * If we do divide evenly into the vector length, adv_amount = chunk_t size*/ 212| 40.1k| while (len >= sizeof(chunk_t)) { ------------------ | Branch (212:12): [True: 5.53k, False: 34.6k] ------------------ 213| 5.53k| storechunk(out, &chunk_load); 214| 5.53k| len -= adv_amount; 215| 5.53k| out += adv_amount; 216| 5.53k| } 217| | 218| 34.6k|#ifdef HAVE_HALF_CHUNK 219| 45.0k|rem_bytes: 220| 45.0k|#endif 221| 45.0k| if (len) { ------------------ | Branch (221:9): [True: 44.4k, False: 603] ------------------ 222| 44.4k| memcpy(out, &chunk_load, len); 223| 44.4k| out += len; 224| 44.4k| } 225| | 226| 45.0k| return out; 227| 34.6k|} chunkset_avx2.c:HALFCHUNKCOPY: 91| 103|static inline uint8_t* HALFCHUNKCOPY(uint8_t *out, uint8_t const *from, unsigned len) { 92| 103| halfchunk_t chunk; 93| 103| int32_t align = ((len - 1) % sizeof(halfchunk_t)) + 1; 94| 103| loadhalfchunk(from, &chunk); 95| 103| storehalfchunk(out, &chunk); 96| 103| out += align; 97| 103| from += align; 98| 103| len -= align; 99| 103| while (len > 0) { ------------------ | Branch (99:12): [True: 0, False: 103] ------------------ 100| 0| loadhalfchunk(from, &chunk); 101| 0| storehalfchunk(out, &chunk); 102| 0| out += sizeof(halfchunk_t); 103| 0| from += sizeof(halfchunk_t); 104| 0| len -= sizeof(halfchunk_t); 105| 0| } 106| 103| return out; 107| 103|} chunkset_avx2.c:chunksize_avx2: 9| 63.0k|static inline size_t CHUNKSIZE(void) { 10| 63.0k| return sizeof(chunk_t); 11| 63.0k|} chunkset_avx2.c:chunkcopy_avx2: 24| 101k|static inline uint8_t* CHUNKCOPY(uint8_t *out, uint8_t const *from, unsigned len) { 25| 101k| Assert(len > 0, "chunkcopy should never have a length 0"); 26| 101k| chunk_t chunk; 27| 101k| int32_t align = ((len - 1) % sizeof(chunk_t)) + 1; 28| 101k| loadchunk(from, &chunk); 29| 101k| storechunk(out, &chunk); 30| 101k| out += align; 31| 101k| from += align; 32| 101k| len -= align; 33| 121k| while (len > 0) { ------------------ | Branch (33:12): [True: 19.5k, False: 101k] ------------------ 34| 19.5k| loadchunk(from, &chunk); 35| 19.5k| storechunk(out, &chunk); 36| 19.5k| out += sizeof(chunk_t); 37| 19.5k| from += sizeof(chunk_t); 38| 19.5k| len -= sizeof(chunk_t); 39| 19.5k| } 40| 101k| return out; 41| 101k|} cpu_check_features: 10| 1|Z_INTERNAL void cpu_check_features(struct cpu_features *features) { 11| 1| memset(features, 0, sizeof(struct cpu_features)); 12| 1|#if defined(X86_FEATURES) 13| 1| x86_check_features(&features->x86); 14| |#elif defined(ARM_FEATURES) 15| | arm_check_features(&features->arm); 16| |#elif defined(PPC_FEATURES) || defined(POWER_FEATURES) 17| | power_check_features(&features->power); 18| |#elif defined(S390_FEATURES) 19| | s390_check_features(&features->s390); 20| |#elif defined(RISCV_FEATURES) 21| | riscv_check_features(&features->riscv); 22| |#elif defined(LOONGARCH_FEATURES) 23| | loongarch_check_features(&features->loongarch); 24| |#endif 25| 1|} functable.c:force_init_stub: 377| 1|static int force_init_stub(void) { 378| 1| return init_functable(); 379| 1|} functable.c:init_functable: 70| 1|static int init_functable(void) { 71| 1| struct functable_s ft; 72| 1| struct cpu_features cf; 73| | 74| 1| memset(&ft, 0, sizeof(struct functable_s)); 75| 1| cpu_check_features(&cf); 76| 1| ft.force_init = &force_init_empty; 77| | 78| | // Set up generic C code fallbacks 79| 1|#ifndef WITH_ALL_FALLBACKS 80| 1|# if (defined(__x86_64__) || defined(_M_X64)) && defined(X86_SSE2) 81| | // x86_64 always has SSE2, so we can use SSE2 functions as fallbacks where available. 82| 1| ft.adler32 = &adler32_c; 83| 1| ft.adler32_fold_copy = &adler32_fold_copy_c; 84| 1| ft.crc32 = &crc32_braid; 85| 1| ft.crc32_fold = &crc32_fold_c; 86| 1| ft.crc32_fold_copy = &crc32_fold_copy_c; 87| 1| ft.crc32_fold_final = &crc32_fold_final_c; 88| 1| ft.crc32_fold_reset = &crc32_fold_reset_c; 89| |# ifndef HAVE_BUILTIN_CTZ 90| | ft.longest_match = &longest_match_c; 91| | ft.longest_match_slow = &longest_match_slow_c; 92| | ft.compare256 = &compare256_c; 93| |# endif 94| 1|# endif 95| |#else // WITH_ALL_FALLBACKS 96| | ft.adler32 = &adler32_c; 97| | ft.adler32_fold_copy = &adler32_fold_copy_c; 98| | ft.chunkmemset_safe = &chunkmemset_safe_c; 99| | ft.crc32 = &crc32_braid; 100| | ft.crc32_fold = &crc32_fold_c; 101| | ft.crc32_fold_copy = &crc32_fold_copy_c; 102| | ft.crc32_fold_final = &crc32_fold_final_c; 103| | ft.crc32_fold_reset = &crc32_fold_reset_c; 104| | ft.inflate_fast = &inflate_fast_c; 105| | ft.slide_hash = &slide_hash_c; 106| | ft.longest_match = &longest_match_c; 107| | ft.longest_match_slow = &longest_match_slow_c; 108| | ft.compare256 = &compare256_c; 109| |#endif 110| | 111| | // Select arch-optimized functions 112| 1|#ifdef WITH_OPTIM 113| | 114| | // Chorba generic C fallback 115| 1|#ifndef WITHOUT_CHORBA 116| 1| ft.crc32 = &crc32_chorba; 117| 1|#endif 118| | 119| | // X86 - SSE2 120| 1|#ifdef X86_SSE2 121| |# if !defined(__x86_64__) && !defined(_M_X64) 122| | if (cf.x86.has_sse2) 123| |# endif 124| 1| { 125| 1| ft.chunkmemset_safe = &chunkmemset_safe_sse2; 126| 1|# if !defined(WITHOUT_CHORBA_SSE) 127| 1| ft.crc32 = &crc32_chorba_sse2; 128| 1|# endif 129| 1| ft.inflate_fast = &inflate_fast_sse2; 130| 1| ft.slide_hash = &slide_hash_sse2; 131| 1|# ifdef HAVE_BUILTIN_CTZ 132| 1| ft.compare256 = &compare256_sse2; 133| 1| ft.longest_match = &longest_match_sse2; 134| 1| ft.longest_match_slow = &longest_match_slow_sse2; 135| 1|# endif 136| 1| } 137| 1|#endif 138| | // X86 - SSSE3 139| 1|#ifdef X86_SSSE3 140| 1| if (cf.x86.has_ssse3) { ------------------ | Branch (140:9): [True: 1, False: 0] ------------------ 141| 1| ft.adler32 = &adler32_ssse3; 142| 1| ft.chunkmemset_safe = &chunkmemset_safe_ssse3; 143| 1| ft.inflate_fast = &inflate_fast_ssse3; 144| 1| } 145| 1|#endif 146| | 147| | // X86 - SSE4.1 148| 1|#if defined(X86_SSE41) && !defined(WITHOUT_CHORBA_SSE) 149| 1| if (cf.x86.has_sse41) { ------------------ | Branch (149:9): [True: 1, False: 0] ------------------ 150| 1| ft.crc32 = &crc32_chorba_sse41; 151| 1| } 152| 1|#endif 153| | 154| | // X86 - SSE4.2 155| 1|#ifdef X86_SSE42 156| 1| if (cf.x86.has_sse42) { ------------------ | Branch (156:9): [True: 1, False: 0] ------------------ 157| 1| ft.adler32_fold_copy = &adler32_fold_copy_sse42; 158| 1| } 159| 1|#endif 160| | // X86 - PCLMUL 161| 1|#ifdef X86_PCLMULQDQ_CRC 162| 1| if (cf.x86.has_pclmulqdq) { ------------------ | Branch (162:9): [True: 1, False: 0] ------------------ 163| 1| ft.crc32 = &crc32_pclmulqdq; 164| 1| ft.crc32_fold = &crc32_fold_pclmulqdq; 165| 1| ft.crc32_fold_copy = &crc32_fold_pclmulqdq_copy; 166| 1| ft.crc32_fold_final = &crc32_fold_pclmulqdq_final; 167| 1| ft.crc32_fold_reset = &crc32_fold_pclmulqdq_reset; 168| 1| } 169| 1|#endif 170| | // X86 - AVX 171| 1|#ifdef X86_AVX2 172| | /* BMI2 support is all but implicit with AVX2 but let's sanity check this just in case. Enabling BMI2 allows for 173| | * flagless shifts, resulting in fewer flag stalls for the pipeline, and allows us to set destination registers 174| | * for the shift results as an operand, eliminating several register-register moves when the original value needs 175| | * to remain intact. They also allow for a count operand that isn't the CL register, avoiding contention there */ 176| 1| if (cf.x86.has_avx2 && cf.x86.has_bmi2) { ------------------ | Branch (176:9): [True: 1, False: 0] | Branch (176:28): [True: 1, False: 0] ------------------ 177| 1| ft.adler32 = &adler32_avx2; 178| 1| ft.adler32_fold_copy = &adler32_fold_copy_avx2; 179| 1| ft.chunkmemset_safe = &chunkmemset_safe_avx2; 180| 1| ft.inflate_fast = &inflate_fast_avx2; 181| 1| ft.slide_hash = &slide_hash_avx2; 182| 1|# ifdef HAVE_BUILTIN_CTZ 183| 1| ft.compare256 = &compare256_avx2; 184| 1| ft.longest_match = &longest_match_avx2; 185| 1| ft.longest_match_slow = &longest_match_slow_avx2; 186| 1|# endif 187| 1| } 188| 1|#endif 189| | // X86 - AVX512 (F,DQ,BW,Vl) 190| 1|#ifdef X86_AVX512 191| 1| if (cf.x86.has_avx512_common) { ------------------ | Branch (191:9): [True: 0, False: 1] ------------------ 192| 0| ft.adler32 = &adler32_avx512; 193| 0| ft.adler32_fold_copy = &adler32_fold_copy_avx512; 194| 0| ft.chunkmemset_safe = &chunkmemset_safe_avx512; 195| 0| ft.inflate_fast = &inflate_fast_avx512; 196| 0|# ifdef HAVE_BUILTIN_CTZLL 197| 0| ft.compare256 = &compare256_avx512; 198| 0| ft.longest_match = &longest_match_avx512; 199| 0| ft.longest_match_slow = &longest_match_slow_avx512; 200| 0|# endif 201| 0| } 202| 1|#endif 203| 1|#ifdef X86_AVX512VNNI 204| 1| if (cf.x86.has_avx512vnni) { ------------------ | Branch (204:9): [True: 0, False: 1] ------------------ 205| 0| ft.adler32 = &adler32_avx512_vnni; 206| 0| ft.adler32_fold_copy = &adler32_fold_copy_avx512_vnni; 207| 0| } 208| 1|#endif 209| | // X86 - VPCLMULQDQ 210| 1|#ifdef X86_VPCLMULQDQ_CRC 211| 1| if (cf.x86.has_pclmulqdq && cf.x86.has_avx512_common && cf.x86.has_vpclmulqdq) { ------------------ | Branch (211:9): [True: 1, False: 0] | Branch (211:33): [True: 0, False: 1] | Branch (211:61): [True: 0, False: 0] ------------------ 212| 0| ft.crc32 = &crc32_vpclmulqdq; 213| 0| ft.crc32_fold = &crc32_fold_vpclmulqdq; 214| 0| ft.crc32_fold_copy = &crc32_fold_vpclmulqdq_copy; 215| 0| ft.crc32_fold_final = &crc32_fold_vpclmulqdq_final; 216| 0| ft.crc32_fold_reset = &crc32_fold_vpclmulqdq_reset; 217| 0| } 218| 1|#endif 219| | 220| | 221| | // ARM - SIMD 222| |#ifdef ARM_SIMD 223| |# ifndef ARM_NOCHECK_SIMD 224| | if (cf.arm.has_simd) 225| |# endif 226| | { 227| | ft.slide_hash = &slide_hash_armv6; 228| | } 229| |#endif 230| | // ARM - NEON 231| |#ifdef ARM_NEON 232| |# ifndef ARM_NOCHECK_NEON 233| | if (cf.arm.has_neon) 234| |# endif 235| | { 236| | ft.adler32 = &adler32_neon; 237| | ft.adler32_fold_copy = &adler32_fold_copy_neon; 238| | ft.chunkmemset_safe = &chunkmemset_safe_neon; 239| | ft.inflate_fast = &inflate_fast_neon; 240| | ft.slide_hash = &slide_hash_neon; 241| |# ifdef HAVE_BUILTIN_CTZLL 242| | ft.compare256 = &compare256_neon; 243| | ft.longest_match = &longest_match_neon; 244| | ft.longest_match_slow = &longest_match_slow_neon; 245| |# endif 246| | } 247| |#endif 248| | // ARM - CRC32 249| |#ifdef ARM_CRC32 250| | if (cf.arm.has_crc32) { 251| | ft.crc32 = &crc32_armv8; 252| | ft.crc32_fold = &crc32_fold_armv8; 253| | ft.crc32_fold_copy = &crc32_fold_copy_armv8; 254| | } 255| |#endif 256| | 257| | 258| | // Power - VMX 259| |#ifdef PPC_VMX 260| | if (cf.power.has_altivec) { 261| | ft.adler32 = &adler32_vmx; 262| | ft.slide_hash = &slide_hash_vmx; 263| | } 264| |#endif 265| | // Power8 - VSX 266| |#ifdef POWER8_VSX 267| | if (cf.power.has_arch_2_07) { 268| | ft.adler32 = &adler32_power8; 269| | ft.chunkmemset_safe = &chunkmemset_safe_power8; 270| | ft.inflate_fast = &inflate_fast_power8; 271| | ft.slide_hash = &slide_hash_power8; 272| | } 273| |#endif 274| |#ifdef POWER8_VSX_CRC32 275| | if (cf.power.has_arch_2_07) 276| | ft.crc32 = &crc32_power8; 277| |#endif 278| | // Power9 279| |#ifdef POWER9 280| | if (cf.power.has_arch_3_00) { 281| | ft.compare256 = &compare256_power9; 282| | ft.longest_match = &longest_match_power9; 283| | ft.longest_match_slow = &longest_match_slow_power9; 284| | } 285| |#endif 286| | 287| | 288| | // RISCV - RVV 289| |#ifdef RISCV_RVV 290| | if (cf.riscv.has_rvv) { 291| | ft.adler32 = &adler32_rvv; 292| | ft.adler32_fold_copy = &adler32_fold_copy_rvv; 293| | ft.chunkmemset_safe = &chunkmemset_safe_rvv; 294| | ft.compare256 = &compare256_rvv; 295| | ft.inflate_fast = &inflate_fast_rvv; 296| | ft.longest_match = &longest_match_rvv; 297| | ft.longest_match_slow = &longest_match_slow_rvv; 298| | ft.slide_hash = &slide_hash_rvv; 299| | } 300| |#endif 301| | 302| | // RISCV - ZBC 303| |#ifdef RISCV_CRC32_ZBC 304| | if (cf.riscv.has_zbc) { 305| | ft.crc32 = &crc32_riscv64_zbc; 306| | } 307| |#endif 308| | 309| | // S390 310| |#ifdef S390_CRC32_VX 311| | if (cf.s390.has_vx) 312| | ft.crc32 = crc32_s390_vx; 313| |#endif 314| | 315| | // LOONGARCH 316| |#ifdef LOONGARCH_CRC 317| | if (cf.loongarch.has_crc) { 318| | ft.crc32 = crc32_loongarch64; 319| | ft.crc32_fold = &crc32_fold_loongarch64; 320| | ft.crc32_fold_copy = &crc32_fold_copy_loongarch64; 321| | } 322| |#endif 323| |#ifdef LOONGARCH_LSX 324| | if (cf.loongarch.has_lsx) { 325| | ft.adler32 = &adler32_lsx; 326| | ft.adler32_fold_copy = &adler32_fold_copy_lsx; 327| | ft.slide_hash = slide_hash_lsx; 328| |# ifdef HAVE_BUILTIN_CTZ 329| | ft.compare256 = &compare256_lsx; 330| | ft.longest_match = &longest_match_lsx; 331| | ft.longest_match_slow = &longest_match_slow_lsx; 332| |# endif 333| | ft.chunkmemset_safe = &chunkmemset_safe_lsx; 334| | ft.inflate_fast = &inflate_fast_lsx; 335| | } 336| |#endif 337| |#ifdef LOONGARCH_LASX 338| | if (cf.loongarch.has_lasx) { 339| | ft.adler32 = &adler32_lasx; 340| | ft.adler32_fold_copy = &adler32_fold_copy_lasx; 341| | ft.slide_hash = slide_hash_lasx; 342| |# ifdef HAVE_BUILTIN_CTZ 343| | ft.compare256 = &compare256_lasx; 344| | ft.longest_match = &longest_match_lasx; 345| | ft.longest_match_slow = &longest_match_slow_lasx; 346| |# endif 347| | ft.chunkmemset_safe = &chunkmemset_safe_lasx; 348| | ft.inflate_fast = &inflate_fast_lasx; 349| | } 350| |#endif 351| | 352| 1|#endif // WITH_OPTIM 353| | 354| | // Assign function pointers individually for atomic operation 355| 1| FUNCTABLE_ASSIGN(ft, force_init); ------------------ | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) ------------------ 356| 1| FUNCTABLE_VERIFY_ASSIGN(ft, adler32); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 357| 1| FUNCTABLE_VERIFY_ASSIGN(ft, adler32_fold_copy); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 358| 1| FUNCTABLE_VERIFY_ASSIGN(ft, chunkmemset_safe); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 359| 1| FUNCTABLE_VERIFY_ASSIGN(ft, compare256); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 360| 1| FUNCTABLE_VERIFY_ASSIGN(ft, crc32); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 361| 1| FUNCTABLE_VERIFY_ASSIGN(ft, crc32_fold); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 362| 1| FUNCTABLE_VERIFY_ASSIGN(ft, crc32_fold_copy); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 363| 1| FUNCTABLE_VERIFY_ASSIGN(ft, crc32_fold_final); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 364| 1| FUNCTABLE_VERIFY_ASSIGN(ft, crc32_fold_reset); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 365| 1| FUNCTABLE_VERIFY_ASSIGN(ft, inflate_fast); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 366| 1| FUNCTABLE_VERIFY_ASSIGN(ft, longest_match); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 367| 1| FUNCTABLE_VERIFY_ASSIGN(ft, longest_match_slow); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 368| 1| FUNCTABLE_VERIFY_ASSIGN(ft, slide_hash); ------------------ | | 46| 1| if (!VAR.FUNC_NAME) { \ | | ------------------ | | | Branch (46:9): [True: 0, False: 1] | | ------------------ | | 47| 0| fprintf(stderr, "Zlib-ng functable failed initialization!\n"); \ | | 48| 0| return 1; \ | | 49| 0| } \ | | 50| 1| FUNCTABLE_ASSIGN(VAR, FUNC_NAME); | | ------------------ | | | | 20| 1| __atomic_store(&(functable.FUNC_NAME), &(VAR.FUNC_NAME), __ATOMIC_SEQ_CST) | | ------------------ ------------------ 369| | 370| | // Memory barrier for weak memory order CPUs 371| 1| FUNCTABLE_BARRIER(); ------------------ | | 21| 1|# define FUNCTABLE_BARRIER() __atomic_thread_fence(__ATOMIC_SEQ_CST) ------------------ 372| | 373| 1| return Z_OK; ------------------ | | 180| 1|#define Z_OK 0 ------------------ 374| 1|} functable.c:force_init_empty: 63| 394|static int force_init_empty(void) { 64| 394| return 0; 65| 394|} inflate_fast_avx2: 53| 15.9k|void Z_INTERNAL INFLATE_FAST(PREFIX3(stream) *strm, uint32_t start) { 54| | /* start: inflate()'s starting value for strm->avail_out */ 55| 15.9k| struct inflate_state *state; 56| 15.9k| z_const unsigned char *in; /* local strm->next_in */ ------------------ | | 23| 15.9k|#define z_const const ------------------ 57| 15.9k| const unsigned char *last; /* have enough input while in < last */ 58| 15.9k| unsigned char *out; /* local strm->next_out */ 59| 15.9k| unsigned char *beg; /* inflate()'s initial strm->next_out */ 60| 15.9k| unsigned char *end; /* while out < end, enough space available */ 61| 15.9k| unsigned char *safe; /* can use chunkcopy provided out < safe */ 62| 15.9k| unsigned char *window; /* allocated sliding window, if wsize != 0 */ 63| 15.9k| unsigned wsize; /* window size or zero if not using window */ 64| 15.9k| unsigned whave; /* valid bytes in the window */ 65| 15.9k| unsigned wnext; /* window write index */ 66| | 67| | /* hold is a local copy of strm->hold. By default, hold satisfies the same 68| | invariants that strm->hold does, namely that (hold >> bits) == 0. This 69| | invariant is kept by loading bits into hold one byte at a time, like: 70| | 71| | hold |= next_byte_of_input << bits; in++; bits += 8; 72| | 73| | If we need to ensure that bits >= 15 then this code snippet is simply 74| | repeated. Over one iteration of the outermost do/while loop, this 75| | happens up to six times (48 bits of input), as described in the NOTES 76| | above. 77| | 78| | However, on some little endian architectures, it can be significantly 79| | faster to load 64 bits once instead of 8 bits six times: 80| | 81| | if (bits <= 16) { 82| | hold |= next_8_bytes_of_input << bits; in += 6; bits += 48; 83| | } 84| | 85| | Unlike the simpler one byte load, shifting the next_8_bytes_of_input 86| | by bits will overflow and lose those high bits, up to 2 bytes' worth. 87| | The conservative estimate is therefore that we have read only 6 bytes 88| | (48 bits). Again, as per the NOTES above, 48 bits is sufficient for the 89| | rest of the iteration, and we will not need to load another 8 bytes. 90| | 91| | Inside this function, we no longer satisfy (hold >> bits) == 0, but 92| | this is not problematic, even if that overflow does not land on an 8 bit 93| | byte boundary. Those excess bits will eventually shift down lower as the 94| | Huffman decoder consumes input, and when new input bits need to be loaded 95| | into the bits variable, the same input bits will be or'ed over those 96| | existing bits. A bitwise or is idempotent: (a | b | b) equals (a | b). 97| | Note that we therefore write that load operation as "hold |= etc" and not 98| | "hold += etc". 99| | 100| | Outside that loop, at the end of the function, hold is bitwise and'ed 101| | with (1<hold >> state->bits) == 0. 103| | */ 104| 15.9k| unsigned bits; /* local strm->bits */ 105| 15.9k| uint64_t hold; /* local strm->hold */ 106| 15.9k| unsigned lmask; /* mask for first level of length codes */ 107| 15.9k| unsigned dmask; /* mask for first level of distance codes */ 108| 15.9k| code const *lcode; /* local strm->lencode */ 109| 15.9k| code const *dcode; /* local strm->distcode */ 110| 15.9k| const code *here; /* retrieved table entry */ 111| 15.9k| unsigned op; /* code bits, operation, extra bits, or */ 112| | /* window position, window bytes to copy */ 113| 15.9k| unsigned len; /* match length, unused bytes */ 114| 15.9k| unsigned char *from; /* where to copy match from */ 115| 15.9k| unsigned dist; /* match distance */ 116| 15.9k| unsigned extra_safe; /* copy chunks safely in all cases */ 117| | 118| | /* copy state to local variables */ 119| 15.9k| state = (struct inflate_state *)strm->state; 120| 15.9k| in = strm->next_in; 121| 15.9k| last = in + (strm->avail_in - (INFLATE_FAST_MIN_HAVE - 1)); ------------------ | | 137| 15.9k|#define INFLATE_FAST_MIN_HAVE 15 ------------------ 122| 15.9k| out = strm->next_out; 123| 15.9k| beg = out - (start - strm->avail_out); 124| 15.9k| end = out + (strm->avail_out - (INFLATE_FAST_MIN_LEFT - 1)); ------------------ | | 138| 15.9k|#define INFLATE_FAST_MIN_LEFT 260 ------------------ 125| 15.9k| safe = out + strm->avail_out; 126| 15.9k| wsize = state->wsize; 127| 15.9k| whave = state->whave; 128| 15.9k| wnext = state->wnext; 129| 15.9k| window = state->window; 130| 15.9k| hold = state->hold; 131| 15.9k| bits = state->bits; 132| 15.9k| lcode = state->lencode; 133| 15.9k| dcode = state->distcode; 134| 15.9k| lmask = (1U << state->lenbits) - 1; 135| 15.9k| dmask = (1U << state->distbits) - 1; 136| | 137| | /* Detect if out and window point to the same memory allocation. In this instance it is 138| | necessary to use safe chunk copy functions to prevent overwriting the window. If the 139| | window is overwritten then future matches with far distances will fail to copy correctly. */ 140| 15.9k| extra_safe = (wsize != 0 && out >= window && out + INFLATE_FAST_MIN_LEFT <= window + state->wbufsize); ------------------ | | 138| 0|#define INFLATE_FAST_MIN_LEFT 260 ------------------ | Branch (140:19): [True: 0, False: 15.9k] | Branch (140:33): [True: 0, False: 0] | Branch (140:50): [True: 0, False: 0] ------------------ 141| | 142| 15.9k|#define REFILL() do { \ 143| 15.9k| hold |= load_64_bits(in, bits); \ 144| 15.9k| in += 7; \ 145| 15.9k| in -= ((bits >> 3) & 7); \ 146| 15.9k| bits |= 56; \ 147| 15.9k| } while (0) 148| | 149| | /* decode literals and length/distances until end-of-block or not enough 150| | input data or output space */ 151| 2.38M| do { 152| 2.38M| REFILL(); ------------------ | | 142| 2.38M|#define REFILL() do { \ | | 143| 2.38M| hold |= load_64_bits(in, bits); \ | | 144| 2.38M| in += 7; \ | | 145| 2.38M| in -= ((bits >> 3) & 7); \ | | 146| 2.38M| bits |= 56; \ | | 147| 2.38M| } while (0) | | ------------------ | | | Branch (147:14): [Folded, False: 2.38M] | | ------------------ ------------------ 153| 2.38M| here = lcode + (hold & lmask); 154| 2.38M| if (here->op == 0) { ------------------ | Branch (154:13): [True: 2.22M, False: 158k] ------------------ 155| 2.22M| *out++ = (unsigned char)(here->val); 156| 2.22M| DROPBITS(here->bits); ------------------ | | 118| 2.22M| do { \ | | 119| 2.22M| hold >>= (n); \ | | 120| 2.22M| bits -= (unsigned)(n); \ | | 121| 2.22M| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 2.22M] | | ------------------ ------------------ 157| 2.22M| here = lcode + (hold & lmask); 158| 2.22M| if (here->op == 0) { ------------------ | Branch (158:17): [True: 2.15M, False: 74.7k] ------------------ 159| 2.15M| *out++ = (unsigned char)(here->val); 160| 2.15M| DROPBITS(here->bits); ------------------ | | 118| 2.15M| do { \ | | 119| 2.15M| hold >>= (n); \ | | 120| 2.15M| bits -= (unsigned)(n); \ | | 121| 2.15M| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 2.15M] | | ------------------ ------------------ 161| 2.15M| here = lcode + (hold & lmask); 162| 2.15M| } 163| 2.22M| } 164| 2.54M| dolen: 165| 2.54M| DROPBITS(here->bits); ------------------ | | 118| 2.54M| do { \ | | 119| 2.54M| hold >>= (n); \ | | 120| 2.54M| bits -= (unsigned)(n); \ | | 121| 2.54M| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 2.54M] | | ------------------ ------------------ 166| 2.54M| op = here->op; 167| 2.54M| if (op == 0) { /* literal */ ------------------ | Branch (167:13): [True: 2.21M, False: 333k] ------------------ 168| 2.21M| Tracevv((stderr, here->val >= 0x20 && here->val < 0x7f ? 169| 2.21M| "inflate: literal '%c'\n" : 170| 2.21M| "inflate: literal 0x%02x\n", here->val)); 171| 2.21M| *out++ = (unsigned char)(here->val); 172| 2.21M| } else if (op & 16) { /* length base */ ------------------ | Branch (172:20): [True: 157k, False: 176k] ------------------ 173| 157k| len = here->val; 174| 157k| op &= MAX_BITS; /* number of extra bits */ ------------------ | | 39| 157k|#define MAX_BITS 15 ------------------ 175| 157k| len += BITS(op); ------------------ | | 114| 157k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 176| 157k| DROPBITS(op); ------------------ | | 118| 157k| do { \ | | 119| 157k| hold >>= (n); \ | | 120| 157k| bits -= (unsigned)(n); \ | | 121| 157k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 157k] | | ------------------ ------------------ 177| 157k| Tracevv((stderr, "inflate: length %u\n", len)); 178| 157k| here = dcode + (hold & dmask); 179| 157k| if (bits < MAX_BITS + MAX_DIST_EXTRA_BITS) { ------------------ | | 39| 157k|#define MAX_BITS 15 ------------------ if (bits < MAX_BITS + MAX_DIST_EXTRA_BITS) { ------------------ | | 41| 157k|#define MAX_DIST_EXTRA_BITS 13 ------------------ | Branch (179:17): [True: 753, False: 156k] ------------------ 180| 753| REFILL(); ------------------ | | 142| 753|#define REFILL() do { \ | | 143| 753| hold |= load_64_bits(in, bits); \ | | 144| 753| in += 7; \ | | 145| 753| in -= ((bits >> 3) & 7); \ | | 146| 753| bits |= 56; \ | | 147| 753| } while (0) | | ------------------ | | | Branch (147:14): [Folded, False: 753] | | ------------------ ------------------ 181| 753| } 182| 167k| dodist: 183| 167k| DROPBITS(here->bits); ------------------ | | 118| 167k| do { \ | | 119| 167k| hold >>= (n); \ | | 120| 167k| bits -= (unsigned)(n); \ | | 121| 167k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 167k] | | ------------------ ------------------ 184| 167k| op = here->op; 185| 167k| if (op & 16) { /* distance base */ ------------------ | Branch (185:17): [True: 157k, False: 10.4k] ------------------ 186| 157k| dist = here->val; 187| 157k| op &= MAX_BITS; /* number of extra bits */ ------------------ | | 39| 157k|#define MAX_BITS 15 ------------------ 188| 157k| dist += BITS(op); ------------------ | | 114| 157k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 189| |#ifdef INFLATE_STRICT 190| | if (dist > state->dmax) { 191| | SET_BAD("invalid distance too far back"); 192| | break; 193| | } 194| |#endif 195| 157k| DROPBITS(op); ------------------ | | 118| 157k| do { \ | | 119| 157k| hold >>= (n); \ | | 120| 157k| bits -= (unsigned)(n); \ | | 121| 157k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 157k] | | ------------------ ------------------ 196| 157k| Tracevv((stderr, "inflate: distance %u\n", dist)); 197| 157k| op = (unsigned)(out - beg); /* max distance in output */ 198| 157k| if (dist > op) { /* see if copy from window */ ------------------ | Branch (198:21): [True: 18, False: 157k] ------------------ 199| 18| op = dist - op; /* distance back in window */ 200| 18| if (op > whave) { ------------------ | Branch (200:25): [True: 18, False: 0] ------------------ 201| |#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR 202| | if (state->sane) { 203| | SET_BAD("invalid distance too far back"); 204| | break; 205| | } 206| | if (len <= op - whave) { 207| | do { 208| | *out++ = 0; 209| | } while (--len); 210| | continue; 211| | } 212| | len -= op - whave; 213| | do { 214| | *out++ = 0; 215| | } while (--op > whave); 216| | if (op == 0) { 217| | from = out - dist; 218| | do { 219| | *out++ = *from++; 220| | } while (--len); 221| | continue; 222| | } 223| |#else 224| 18| SET_BAD("invalid distance too far back"); ------------------ | | 132| 18| do { \ | | 133| 18| state->mode = BAD; \ | | 134| 18| strm->msg = (char *)errmsg; \ | | 135| 18| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 18] | | ------------------ ------------------ 225| 18| break; 226| 18|#endif 227| 18| } 228| 0| from = window; 229| 0| if (wnext == 0) { /* very common case */ ------------------ | Branch (229:25): [True: 0, False: 0] ------------------ 230| 0| from += wsize - op; 231| 0| } else if (wnext >= op) { /* contiguous in window */ ------------------ | Branch (231:32): [True: 0, False: 0] ------------------ 232| 0| from += wnext - op; 233| 0| } else { /* wrap around window */ 234| 0| op -= wnext; 235| 0| from += wsize - op; 236| 0| if (op < len) { /* some from end of window */ ------------------ | Branch (236:29): [True: 0, False: 0] ------------------ 237| 0| len -= op; 238| 0| out = CHUNKCOPY_SAFE(out, from, op, safe); 239| 0| from = window; /* more from start of window */ 240| 0| op = wnext; 241| | /* This (rare) case can create a situation where 242| | the first chunkcopy below must be checked. 243| | */ 244| 0| } 245| 0| } 246| 0| if (op < len) { /* still need some from output */ ------------------ | Branch (246:25): [True: 0, False: 0] ------------------ 247| 0| len -= op; 248| 0| if (!extra_safe) { ------------------ | Branch (248:29): [True: 0, False: 0] ------------------ 249| 0| out = CHUNKCOPY_SAFE(out, from, op, safe); 250| 0| out = CHUNKUNROLL(out, &dist, &len); ------------------ | | 120| 0|#define CHUNKUNROLL chunkunroll_avx2 ------------------ 251| 0| out = CHUNKCOPY_SAFE(out, out - dist, len, safe); 252| 0| } else { 253| 0| out = chunkcopy_safe(out, from, op, safe); 254| 0| out = chunkcopy_safe(out, out - dist, len, safe); 255| 0| } 256| 0| } else { 257| 0|#ifndef HAVE_MASKED_READWRITE 258| 0| if (extra_safe) ------------------ | Branch (258:29): [True: 0, False: 0] ------------------ 259| 0| out = chunkcopy_safe(out, from, len, safe); 260| 0| else 261| 0|#endif 262| 0| out = CHUNKCOPY_SAFE(out, from, len, safe); 263| 0| } 264| 0|#ifndef HAVE_MASKED_READWRITE 265| 157k| } else if (extra_safe) { ------------------ | Branch (265:28): [True: 0, False: 157k] ------------------ 266| | /* Whole reference is in range of current output. */ 267| 0| out = chunkcopy_safe(out, out - dist, len, safe); 268| 0|#endif 269| 157k| } else { 270| | /* Whole reference is in range of current output. No range checks are 271| | necessary because we start with room for at least 258 bytes of output, 272| | so unroll and roundoff operations can write beyond `out+len` so long 273| | as they stay within 258 bytes of `out`. 274| | */ 275| 157k| if (dist >= len || dist >= CHUNKSIZE()) ------------------ | | 118| 63.0k|#define CHUNKSIZE chunksize_avx2 ------------------ | Branch (275:25): [True: 93.9k, False: 63.0k] | Branch (275:40): [True: 7.31k, False: 55.7k] ------------------ 276| 101k| out = CHUNKCOPY(out, out - dist, len); ------------------ | | 119| 101k|#define CHUNKCOPY chunkcopy_avx2 ------------------ 277| 55.7k| else 278| 55.7k| out = CHUNKMEMSET(out, out - dist, len); ------------------ | | 121| 55.7k|#define CHUNKMEMSET chunkmemset_avx2 ------------------ 279| 157k| } 280| 157k| } else if ((op & 64) == 0) { /* 2nd level distance code */ ------------------ | Branch (280:24): [True: 10.4k, False: 4] ------------------ 281| 10.4k| here = dcode + here->val + BITS(op); ------------------ | | 114| 10.4k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 282| 10.4k| goto dodist; 283| 10.4k| } else { 284| 4| SET_BAD("invalid distance code"); ------------------ | | 132| 4| do { \ | | 133| 4| state->mode = BAD; \ | | 134| 4| strm->msg = (char *)errmsg; \ | | 135| 4| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 4] | | ------------------ ------------------ 285| 4| break; 286| 4| } 287| 176k| } else if ((op & 64) == 0) { /* 2nd level length code */ ------------------ | Branch (287:20): [True: 160k, False: 15.6k] ------------------ 288| 160k| here = lcode + here->val + BITS(op); ------------------ | | 114| 160k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 289| 160k| goto dolen; 290| 160k| } else if (op & 32) { /* end-of-block */ ------------------ | Branch (290:20): [True: 15.6k, False: 1] ------------------ 291| 15.6k| Tracevv((stderr, "inflate: end of block\n")); 292| 15.6k| state->mode = TYPE; 293| 15.6k| break; 294| 15.6k| } else { 295| 1| SET_BAD("invalid literal/length code"); ------------------ | | 132| 1| do { \ | | 133| 1| state->mode = BAD; \ | | 134| 1| strm->msg = (char *)errmsg; \ | | 135| 1| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 1] | | ------------------ ------------------ 296| 1| break; 297| 1| } 298| 2.54M| } while (in < last && out < end); ------------------ | Branch (298:14): [True: 2.37M, False: 111] | Branch (298:27): [True: 2.37M, False: 184] ------------------ 299| | 300| | /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ 301| 15.9k| len = bits >> 3; 302| 15.9k| in -= len; 303| 15.9k| bits -= len << 3; 304| 15.9k| hold &= (UINT64_C(1) << bits) - 1; 305| | 306| | /* update state and return */ 307| 15.9k| strm->next_in = in; 308| 15.9k| strm->next_out = out; 309| 15.9k| strm->avail_in = (unsigned)(in < last ? (INFLATE_FAST_MIN_HAVE - 1) + (last - in) ------------------ | | 137| 15.9k|#define INFLATE_FAST_MIN_HAVE 15 ------------------ | Branch (309:33): [True: 15.9k, False: 25] ------------------ 310| 15.9k| : (INFLATE_FAST_MIN_HAVE - 1) - (in - last)); ------------------ | | 137| 25|#define INFLATE_FAST_MIN_HAVE 15 ------------------ 311| 15.9k| strm->avail_out = (unsigned)(out < end ? (INFLATE_FAST_MIN_LEFT - 1) + (end - out) ------------------ | | 138| 15.7k|#define INFLATE_FAST_MIN_LEFT 260 ------------------ | Branch (311:34): [True: 15.7k, False: 250] ------------------ 312| 15.9k| : (INFLATE_FAST_MIN_LEFT - 1) - (out - end)); ------------------ | | 138| 250|#define INFLATE_FAST_MIN_LEFT 260 ------------------ 313| | 314| 15.9k| Assert(bits <= 32, "Remaining bits greater than 32"); 315| 15.9k| state->hold = (uint32_t)hold; 316| 15.9k| state->bits = bits; 317| 15.9k| return; 318| 15.9k|} zng_inflateResetKeep: 61| 395|int32_t Z_EXPORT PREFIX(inflateResetKeep)(PREFIX3(stream) *strm) { 62| 395| struct inflate_state *state; 63| | 64| 395| if (inflateStateCheck(strm)) ------------------ | Branch (64:9): [True: 0, False: 395] ------------------ 65| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 66| 395| state = (struct inflate_state *)strm->state; 67| 395| strm->total_in = strm->total_out = state->total = 0; 68| 395| strm->msg = NULL; 69| 395| if (state->wrap) /* to support ill-conceived Java test suite */ ------------------ | Branch (69:9): [True: 395, False: 0] ------------------ 70| 395| strm->adler = state->wrap & 1; 71| 395| state->mode = HEAD; 72| 395| state->check = ADLER32_INITIAL_VALUE; ------------------ | | 65| 395|#define ADLER32_INITIAL_VALUE 1 /* initial adler-32 hash value */ ------------------ 73| 395| state->last = 0; 74| 395| state->havedict = 0; 75| 395| state->flags = -1; 76| 395| state->head = NULL; 77| 395| state->hold = 0; 78| 395| state->bits = 0; 79| 395| state->lencode = state->distcode = state->next = state->codes; 80| 395| state->back = -1; 81| |#ifdef INFLATE_STRICT 82| | state->dmax = 32768U; 83| |#endif 84| |#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR 85| | state->sane = 1; 86| |#endif 87| 395| INFLATE_RESET_KEEP_HOOK(strm); /* hook for IBM Z DFLTCC */ ------------------ | | 25| 395|# define INFLATE_RESET_KEEP_HOOK(strm) do {} while (0) | | ------------------ | | | Branch (25:54): [Folded, False: 395] | | ------------------ ------------------ 88| 395| Tracev((stderr, "inflate: reset\n")); 89| 395| return Z_OK; ------------------ | | 180| 395|#define Z_OK 0 ------------------ 90| 395|} zng_inflateReset: 92| 395|int32_t Z_EXPORT PREFIX(inflateReset)(PREFIX3(stream) *strm) { 93| 395| struct inflate_state *state; 94| | 95| 395| if (inflateStateCheck(strm)) ------------------ | Branch (95:9): [True: 0, False: 395] ------------------ 96| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 97| 395| state = (struct inflate_state *)strm->state; 98| 395| state->wsize = 0; 99| 395| state->whave = 0; 100| 395| state->wnext = 0; 101| 395| return PREFIX(inflateResetKeep)(strm); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 102| 395|} zng_inflateReset2: 104| 395|int32_t Z_EXPORT PREFIX(inflateReset2)(PREFIX3(stream) *strm, int32_t windowBits) { 105| 395| int wrap; 106| 395| struct inflate_state *state; 107| | 108| | /* get the state */ 109| 395| if (inflateStateCheck(strm)) ------------------ | Branch (109:9): [True: 0, False: 395] ------------------ 110| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 111| 395| state = (struct inflate_state *)strm->state; 112| | 113| | /* extract wrap request from windowBits parameter */ 114| 395| if (windowBits < 0) { ------------------ | Branch (114:9): [True: 0, False: 395] ------------------ 115| 0| wrap = 0; 116| 0| if (windowBits < -MAX_WBITS) ------------------ | | 39| 0|# define MAX_WBITS 15 /* 32K LZ77 window */ ------------------ | Branch (116:13): [True: 0, False: 0] ------------------ 117| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 118| 0| windowBits = -windowBits; 119| 395| } else { 120| 395| wrap = (windowBits >> 4) + 5; 121| 395|#ifdef GUNZIP 122| 395| if (windowBits < 48) ------------------ | Branch (122:13): [True: 395, False: 0] ------------------ 123| 395| windowBits &= MAX_WBITS; ------------------ | | 39| 395|# define MAX_WBITS 15 /* 32K LZ77 window */ ------------------ 124| 395|#endif 125| 395| } 126| | 127| | /* set number of window bits */ 128| 395| if (windowBits && (windowBits < MIN_WBITS || windowBits > MAX_WBITS)) ------------------ | | 36| 790|# define MIN_WBITS 8 /* 256 LZ77 window */ ------------------ if (windowBits && (windowBits < MIN_WBITS || windowBits > MAX_WBITS)) ------------------ | | 39| 395|# define MAX_WBITS 15 /* 32K LZ77 window */ ------------------ | Branch (128:9): [True: 395, False: 0] | Branch (128:24): [True: 0, False: 395] | Branch (128:50): [True: 0, False: 395] ------------------ 129| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 130| | 131| | /* update state and reset the rest of it */ 132| 395| state->wrap = wrap; 133| 395| state->wbits = (unsigned)windowBits; 134| 395| return PREFIX(inflateReset)(strm); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 135| 395|} alloc_inflate: 152| 395|Z_INTERNAL inflate_allocs* alloc_inflate(PREFIX3(stream) *strm) { 153| 395| int curr_size = 0; 154| | 155| | /* Define sizes */ 156| 395| int window_size = INFLATE_ADJUST_WINDOW_SIZE((1 << MAX_WBITS) + 64); /* 64B padding for chunksize */ ------------------ | | 23| 395|# define INFLATE_ADJUST_WINDOW_SIZE(n) (n) ------------------ 157| 395| int state_size = sizeof(inflate_state); 158| 395| int alloc_size = sizeof(inflate_allocs); 159| | 160| | /* Calculate relative buffer positions and paddings */ 161| 395| LOGSZP("window", window_size, PAD_WINDOW(curr_size), PADSZ(curr_size,WINDOW_PAD_SIZE)); 162| 395| int window_pos = PAD_WINDOW(curr_size); ------------------ | | 465| 395|# define PAD_WINDOW PAD_64 | | ------------------ | | | | 245| 395|#define PAD_64(bpos) ((bpos) + PADSZ((bpos),64)) | | | | ------------------ | | | | | | 243| 395|#define PADSZ(bpos, pad) (((pad) - ((uintptr_t)(bpos) % (pad))) % (pad)) | | | | ------------------ | | ------------------ ------------------ 163| 395| curr_size = window_pos + window_size; 164| | 165| 395| LOGSZP("state", state_size, PAD_64(curr_size), PADSZ(curr_size,64)); 166| 395| int state_pos = PAD_64(curr_size); ------------------ | | 245| 395|#define PAD_64(bpos) ((bpos) + PADSZ((bpos),64)) | | ------------------ | | | | 243| 395|#define PADSZ(bpos, pad) (((pad) - ((uintptr_t)(bpos) % (pad))) % (pad)) | | ------------------ ------------------ 167| 395| curr_size = state_pos + state_size; 168| | 169| 395| LOGSZP("alloc", alloc_size, PAD_16(curr_size), PADSZ(curr_size,16)); 170| 395| int alloc_pos = PAD_16(curr_size); ------------------ | | 244| 395|#define PAD_16(bpos) ((bpos) + PADSZ((bpos),16)) | | ------------------ | | | | 243| 395|#define PADSZ(bpos, pad) (((pad) - ((uintptr_t)(bpos) % (pad))) % (pad)) | | ------------------ ------------------ 171| 395| curr_size = alloc_pos + alloc_size; 172| | 173| | /* Add 64-1 or 4096-1 to allow window alignment, and round size of buffer up to multiple of 64 */ 174| 395| int total_size = PAD_64(curr_size + (WINDOW_PAD_SIZE - 1)); ------------------ | | 245| 395|#define PAD_64(bpos) ((bpos) + PADSZ((bpos),64)) | | ------------------ | | | | 243| 395|#define PADSZ(bpos, pad) (((pad) - ((uintptr_t)(bpos) % (pad))) % (pad)) | | ------------------ ------------------ 175| | 176| | /* Allocate buffer, align to 64-byte cacheline, and zerofill the resulting buffer */ 177| 395| char *original_buf = (char *)strm->zalloc(strm->opaque, 1, total_size); 178| 395| if (original_buf == NULL) ------------------ | Branch (178:9): [True: 0, False: 395] ------------------ 179| 0| return NULL; 180| | 181| 395| char *buff = (char *)HINT_ALIGNED_WINDOW((char *)PAD_WINDOW(original_buf)); ------------------ | | 467| 395|# define HINT_ALIGNED_WINDOW HINT_ALIGNED_64 | | ------------------ | | | | 236| 395|#define HINT_ALIGNED_64(p) HINT_ALIGNED((p),64) | | | | ------------------ | | | | | | 231| 395|# define HINT_ALIGNED(p,n) __builtin_assume_aligned((void *)(p),(n)) | | | | ------------------ | | ------------------ ------------------ 182| 395| LOGSZPL("Buffer alloc", total_size, PADSZ((uintptr_t)original_buf,WINDOW_PAD_SIZE), PADSZ(curr_size,WINDOW_PAD_SIZE)); 183| | 184| | /* Initialize alloc_bufs */ 185| 395| inflate_allocs *alloc_bufs = (struct inflate_allocs_s *)(buff + alloc_pos); 186| 395| alloc_bufs->buf_start = original_buf; 187| 395| alloc_bufs->zfree = strm->zfree; 188| | 189| 395| alloc_bufs->window = (unsigned char *)HINT_ALIGNED_WINDOW((buff + window_pos)); ------------------ | | 467| 395|# define HINT_ALIGNED_WINDOW HINT_ALIGNED_64 | | ------------------ | | | | 236| 395|#define HINT_ALIGNED_64(p) HINT_ALIGNED((p),64) | | | | ------------------ | | | | | | 231| 395|# define HINT_ALIGNED(p,n) __builtin_assume_aligned((void *)(p),(n)) | | | | ------------------ | | ------------------ ------------------ 190| 395| alloc_bufs->state = (inflate_state *)HINT_ALIGNED_64((buff + state_pos)); ------------------ | | 236| 395|#define HINT_ALIGNED_64(p) HINT_ALIGNED((p),64) | | ------------------ | | | | 231| 395|# define HINT_ALIGNED(p,n) __builtin_assume_aligned((void *)(p),(n)) | | ------------------ ------------------ 191| | 192| |#ifdef Z_MEMORY_SANITIZER 193| | /* This is _not_ to subvert the memory sanitizer but to instead unposion some 194| | data we willingly and purposefully load uninitialized into vector registers 195| | in order to safely read the last < chunksize bytes of the window. */ 196| | __msan_unpoison(alloc_bufs->window + window_size, 64); 197| |#endif 198| | 199| 395| return alloc_bufs; 200| 395|} free_inflate: 205| 395|Z_INTERNAL void free_inflate(PREFIX3(stream) *strm) { 206| 395| struct inflate_state *state = (struct inflate_state *)strm->state; 207| | 208| 395| if (state->alloc_bufs != NULL) { ------------------ | Branch (208:9): [True: 395, False: 0] ------------------ 209| 395| inflate_allocs *alloc_bufs = state->alloc_bufs; 210| 395| alloc_bufs->zfree(strm->opaque, alloc_bufs->buf_start); 211| | strm->state = NULL; 212| 395| } 213| 395|} zng_inflateInit2: 219| 395|int32_t ZNG_CONDEXPORT PREFIX(inflateInit2)(PREFIX3(stream) *strm, int32_t windowBits) { 220| 395| struct inflate_state *state; 221| 395| int32_t ret; 222| | 223| | /* Initialize functable */ 224| 395| FUNCTABLE_INIT; ------------------ | | 48| 395|# define FUNCTABLE_INIT if (functable.force_init()) {return Z_VERSION_ERROR;} | | ------------------ | | | | 188| 0|#define Z_VERSION_ERROR (-6) | | ------------------ | | | Branch (48:30): [True: 0, False: 395] | | ------------------ ------------------ 225| | 226| 395| if (strm == NULL) ------------------ | Branch (226:9): [True: 0, False: 395] ------------------ 227| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 228| 395| strm->msg = NULL; /* in case we return an error */ 229| 395| if (strm->zalloc == NULL) { ------------------ | Branch (229:9): [True: 395, False: 0] ------------------ 230| 395| strm->zalloc = PREFIX(zcalloc); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 231| 395| strm->opaque = NULL; 232| 395| } 233| 395| if (strm->zfree == NULL) ------------------ | Branch (233:9): [True: 395, False: 0] ------------------ 234| 395| strm->zfree = PREFIX(zcfree); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 235| | 236| 395| inflate_allocs *alloc_bufs = alloc_inflate(strm); 237| 395| if (alloc_bufs == NULL) ------------------ | Branch (237:9): [True: 0, False: 395] ------------------ 238| 0| return Z_MEM_ERROR; ------------------ | | 186| 0|#define Z_MEM_ERROR (-4) ------------------ 239| | 240| 395| state = alloc_bufs->state; 241| 395| state->window = alloc_bufs->window; 242| 395| state->alloc_bufs = alloc_bufs; 243| 395| state->wbufsize = INFLATE_ADJUST_WINDOW_SIZE((1 << MAX_WBITS) + 64); ------------------ | | 23| 395|# define INFLATE_ADJUST_WINDOW_SIZE(n) (n) ------------------ 244| 395| Tracev((stderr, "inflate: allocated\n")); 245| | 246| 395| strm->state = (struct internal_state *)state; 247| 395| state->strm = strm; 248| 395| state->mode = HEAD; /* to pass state test in inflateReset2() */ 249| 395| ret = PREFIX(inflateReset2)(strm, windowBits); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 250| 395| if (ret != Z_OK) { ------------------ | | 180| 395|#define Z_OK 0 ------------------ | Branch (250:9): [True: 0, False: 395] ------------------ 251| 0| free_inflate(strm); 252| 0| } 253| 395| return ret; 254| 395|} zng_inflateInit: 257| 395|int32_t Z_EXPORT PREFIX(inflateInit)(PREFIX3(stream) *strm) { 258| 395| return PREFIX(inflateInit2)(strm, DEF_WBITS); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ return PREFIX(inflateInit2)(strm, DEF_WBITS); ------------------ | | 35| 395|# define DEF_WBITS MAX_WBITS | | ------------------ | | | | 39| 395|# define MAX_WBITS 15 /* 32K LZ77 window */ | | ------------------ ------------------ 259| 395|} zng_fixedtables: 303| 9.03k|void Z_INTERNAL PREFIX(fixedtables)(struct inflate_state *state) { 304| 9.03k| state->lencode = lenfix; 305| 9.03k| state->lenbits = 9; 306| 9.03k| state->distcode = distfix; 307| 9.03k| state->distbits = 5; 308| 9.03k|} zng_inflate: 475| 607|int32_t Z_EXPORT PREFIX(inflate)(PREFIX3(stream) *strm, int32_t flush) { 476| 607| struct inflate_state *state; 477| 607| const unsigned char *next; /* next input */ 478| 607| unsigned char *put; /* next output */ 479| 607| unsigned char *from; /* where to copy match bytes from */ 480| 607| unsigned have, left; /* available input and output */ 481| 607| uint64_t hold; /* bit buffer */ 482| 607| unsigned bits; /* bits in bit buffer */ 483| 607| uint32_t in, out; /* save starting available input and output */ 484| 607| unsigned copy; /* number of stored or match bytes to copy */ 485| 607| code here; /* current decoding table entry */ 486| 607| code last; /* parent table entry */ 487| 607| unsigned len; /* length to copy for repeats, bits to drop */ 488| 607| int32_t ret; /* return code */ 489| 607|#ifdef GUNZIP 490| 607| unsigned char hbuf[4]; /* buffer for gzip header crc calculation */ 491| 607|#endif 492| 607| static const uint16_t order[19] = /* permutation of code lengths */ 493| 607| {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; 494| | 495| 607| if (inflateStateCheck(strm) || strm->next_out == NULL || ------------------ | Branch (495:9): [True: 0, False: 607] | Branch (495:36): [True: 0, False: 607] ------------------ 496| 607| (strm->next_in == NULL && strm->avail_in != 0)) ------------------ | Branch (496:10): [True: 0, False: 607] | Branch (496:35): [True: 0, False: 0] ------------------ 497| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 498| | 499| 607| state = (struct inflate_state *)strm->state; 500| 607| if (state->mode == TYPE) /* skip check */ ------------------ | Branch (500:9): [True: 0, False: 607] ------------------ 501| 0| state->mode = TYPEDO; 502| 607| LOAD(); ------------------ | | 77| 607| do { \ | | 78| 607| put = strm->next_out; \ | | 79| 607| left = strm->avail_out; \ | | 80| 607| next = strm->next_in; \ | | 81| 607| have = strm->avail_in; \ | | 82| 607| hold = state->hold; \ | | 83| 607| bits = state->bits; \ | | 84| 607| } while (0) | | ------------------ | | | Branch (84:14): [Folded, False: 607] | | ------------------ ------------------ 503| 607| in = have; 504| 607| out = left; 505| 607| ret = Z_OK; ------------------ | | 180| 607|#define Z_OK 0 ------------------ 506| 607| for (;;) 507| 84.4k| switch (state->mode) { 508| 395| case HEAD: ------------------ | Branch (508:9): [True: 395, False: 84.0k] ------------------ 509| 395| if (state->wrap == 0) { ------------------ | Branch (509:17): [True: 0, False: 395] ------------------ 510| 0| state->mode = TYPEDO; 511| 0| break; 512| 0| } 513| 395| NEEDBITS(16); ------------------ | | 107| 395| do { \ | | 108| 1.18k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 790, False: 395] | | ------------------ | | 109| 790| PULLBYTE(); \ | | ------------------ | | | | 386| 790| do { \ | | | | 387| 790| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 790] | | | | ------------------ | | | | 388| 790| have--; \ | | | | 389| 790| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 790| bits += 8; \ | | | | 391| 790| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 790] | | | | ------------------ | | ------------------ | | 110| 395| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 395] | | ------------------ ------------------ 514| 395|#ifdef GUNZIP 515| 395| if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */ ------------------ | Branch (515:17): [True: 0, False: 395] | Branch (515:38): [True: 0, False: 0] ------------------ 516| 0| if (state->wbits == 0) ------------------ | Branch (516:21): [True: 0, False: 0] ------------------ 517| 0| state->wbits = MAX_WBITS; ------------------ | | 39| 0|# define MAX_WBITS 15 /* 32K LZ77 window */ ------------------ 518| 0| state->check = CRC32_INITIAL_VALUE; ------------------ | | 66| 0|#define CRC32_INITIAL_VALUE 0 /* initial crc-32 hash value */ ------------------ 519| 0| CRC2(state->check, hold); ------------------ | | 59| 0| do { \ | | 60| 0| hbuf[0] = (unsigned char)(word); \ | | 61| 0| hbuf[1] = (unsigned char)((word) >> 8); \ | | 62| 0| check = PREFIX(crc32)(check, hbuf, 2); \ | | ------------------ | | | | 97| 0|# define PREFIX(x) zng_ ## x | | ------------------ | | 63| 0| } while (0) | | ------------------ | | | Branch (63:14): [Folded, False: 0] | | ------------------ ------------------ 520| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 521| 0| state->mode = FLAGS; 522| 0| break; 523| 0| } 524| 395| if (state->head != NULL) ------------------ | Branch (524:17): [True: 0, False: 395] ------------------ 525| 0| state->head->done = -1; 526| 395| if (!(state->wrap & 1) || /* check if zlib header allowed */ ------------------ | Branch (526:17): [True: 0, False: 395] ------------------ 527| |#else 528| | if ( 529| |#endif 530| 395| ((BITS(8) << 8) + (hold >> 8)) % 31) { ------------------ | | 114| 395| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ | Branch (530:17): [True: 13, False: 382] ------------------ 531| 13| SET_BAD("incorrect header check"); ------------------ | | 132| 13| do { \ | | 133| 13| state->mode = BAD; \ | | 134| 13| strm->msg = (char *)errmsg; \ | | 135| 13| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 13] | | ------------------ ------------------ 532| 13| break; 533| 13| } 534| 382| if (BITS(4) != Z_DEFLATED) { ------------------ | | 114| 382| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ if (BITS(4) != Z_DEFLATED) { ------------------ | | 212| 382|#define Z_DEFLATED 8 ------------------ | Branch (534:17): [True: 3, False: 379] ------------------ 535| 3| SET_BAD("unknown compression method"); ------------------ | | 132| 3| do { \ | | 133| 3| state->mode = BAD; \ | | 134| 3| strm->msg = (char *)errmsg; \ | | 135| 3| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 3] | | ------------------ ------------------ 536| 3| break; 537| 3| } 538| 379| DROPBITS(4); ------------------ | | 118| 379| do { \ | | 119| 379| hold >>= (n); \ | | 120| 379| bits -= (unsigned)(n); \ | | 121| 379| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 379] | | ------------------ ------------------ 539| 379| len = BITS(4) + 8; ------------------ | | 114| 379| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 540| 379| if (state->wbits == 0) ------------------ | Branch (540:17): [True: 0, False: 379] ------------------ 541| 0| state->wbits = len; 542| 379| if (len > MAX_WBITS || len > state->wbits) { ------------------ | | 39| 758|# define MAX_WBITS 15 /* 32K LZ77 window */ ------------------ | Branch (542:17): [True: 0, False: 379] | Branch (542:36): [True: 0, False: 379] ------------------ 543| 0| SET_BAD("invalid window size"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 544| 0| break; 545| 0| } 546| |#ifdef INFLATE_STRICT 547| | state->dmax = 1U << len; 548| |#endif 549| 379| state->flags = 0; /* indicate zlib header */ 550| 379| Tracev((stderr, "inflate: zlib header ok\n")); 551| 379| strm->adler = state->check = ADLER32_INITIAL_VALUE; ------------------ | | 65| 379|#define ADLER32_INITIAL_VALUE 1 /* initial adler-32 hash value */ ------------------ 552| 379| state->mode = hold & 0x200 ? DICTID : TYPE; ------------------ | Branch (552:27): [True: 0, False: 379] ------------------ 553| 379| INITBITS(); ------------------ | | 99| 379| do { \ | | 100| 379| hold = 0; \ | | 101| 379| bits = 0; \ | | 102| 379| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 379] | | ------------------ ------------------ 554| 379| break; 555| 0|#ifdef GUNZIP 556| | 557| 0| case FLAGS: ------------------ | Branch (557:9): [True: 0, False: 84.4k] ------------------ 558| 0| NEEDBITS(16); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 559| 0| state->flags = (int)(hold); 560| 0| if ((state->flags & 0xff) != Z_DEFLATED) { ------------------ | | 212| 0|#define Z_DEFLATED 8 ------------------ | Branch (560:17): [True: 0, False: 0] ------------------ 561| 0| SET_BAD("unknown compression method"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 562| 0| break; 563| 0| } 564| 0| if (state->flags & 0xe000) { ------------------ | Branch (564:17): [True: 0, False: 0] ------------------ 565| 0| SET_BAD("unknown header flags set"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 566| 0| break; 567| 0| } 568| 0| if (state->head != NULL) ------------------ | Branch (568:17): [True: 0, False: 0] ------------------ 569| 0| state->head->text = (int)((hold >> 8) & 1); 570| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (570:17): [True: 0, False: 0] | Branch (570:44): [True: 0, False: 0] ------------------ 571| 0| CRC2(state->check, hold); ------------------ | | 59| 0| do { \ | | 60| 0| hbuf[0] = (unsigned char)(word); \ | | 61| 0| hbuf[1] = (unsigned char)((word) >> 8); \ | | 62| 0| check = PREFIX(crc32)(check, hbuf, 2); \ | | ------------------ | | | | 97| 0|# define PREFIX(x) zng_ ## x | | ------------------ | | 63| 0| } while (0) | | ------------------ | | | Branch (63:14): [Folded, False: 0] | | ------------------ ------------------ 572| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 573| 0| state->mode = TIME; 574| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 575| | 576| 0| case TIME: ------------------ | Branch (576:9): [True: 0, False: 84.4k] ------------------ 577| 0| NEEDBITS(32); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 578| 0| if (state->head != NULL) ------------------ | Branch (578:17): [True: 0, False: 0] ------------------ 579| 0| state->head->time = (unsigned)(hold); 580| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (580:17): [True: 0, False: 0] | Branch (580:44): [True: 0, False: 0] ------------------ 581| 0| CRC4(state->check, hold); ------------------ | | 66| 0| do { \ | | 67| 0| hbuf[0] = (unsigned char)(word); \ | | 68| 0| hbuf[1] = (unsigned char)((word) >> 8); \ | | 69| 0| hbuf[2] = (unsigned char)((word) >> 16); \ | | 70| 0| hbuf[3] = (unsigned char)((word) >> 24); \ | | 71| 0| check = PREFIX(crc32)(check, hbuf, 4); \ | | ------------------ | | | | 97| 0|# define PREFIX(x) zng_ ## x | | ------------------ | | 72| 0| } while (0) | | ------------------ | | | Branch (72:14): [Folded, False: 0] | | ------------------ ------------------ 582| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 583| 0| state->mode = OS; 584| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 585| | 586| 0| case OS: ------------------ | Branch (586:9): [True: 0, False: 84.4k] ------------------ 587| 0| NEEDBITS(16); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 588| 0| if (state->head != NULL) { ------------------ | Branch (588:17): [True: 0, False: 0] ------------------ 589| 0| state->head->xflags = (int)(hold & 0xff); 590| 0| state->head->os = (int)(hold >> 8); 591| 0| } 592| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (592:17): [True: 0, False: 0] | Branch (592:44): [True: 0, False: 0] ------------------ 593| 0| CRC2(state->check, hold); ------------------ | | 59| 0| do { \ | | 60| 0| hbuf[0] = (unsigned char)(word); \ | | 61| 0| hbuf[1] = (unsigned char)((word) >> 8); \ | | 62| 0| check = PREFIX(crc32)(check, hbuf, 2); \ | | ------------------ | | | | 97| 0|# define PREFIX(x) zng_ ## x | | ------------------ | | 63| 0| } while (0) | | ------------------ | | | Branch (63:14): [Folded, False: 0] | | ------------------ ------------------ 594| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 595| 0| state->mode = EXLEN; 596| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 597| | 598| 0| case EXLEN: ------------------ | Branch (598:9): [True: 0, False: 84.4k] ------------------ 599| 0| if (state->flags & 0x0400) { ------------------ | Branch (599:17): [True: 0, False: 0] ------------------ 600| 0| NEEDBITS(16); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 601| 0| state->length = (uint16_t)hold; 602| 0| if (state->head != NULL) ------------------ | Branch (602:21): [True: 0, False: 0] ------------------ 603| 0| state->head->extra_len = (uint16_t)hold; 604| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (604:21): [True: 0, False: 0] | Branch (604:48): [True: 0, False: 0] ------------------ 605| 0| CRC2(state->check, hold); ------------------ | | 59| 0| do { \ | | 60| 0| hbuf[0] = (unsigned char)(word); \ | | 61| 0| hbuf[1] = (unsigned char)((word) >> 8); \ | | 62| 0| check = PREFIX(crc32)(check, hbuf, 2); \ | | ------------------ | | | | 97| 0|# define PREFIX(x) zng_ ## x | | ------------------ | | 63| 0| } while (0) | | ------------------ | | | Branch (63:14): [Folded, False: 0] | | ------------------ ------------------ 606| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 607| 0| } else if (state->head != NULL) { ------------------ | Branch (607:24): [True: 0, False: 0] ------------------ 608| 0| state->head->extra = NULL; 609| 0| } 610| 0| state->mode = EXTRA; 611| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 612| | 613| 0| case EXTRA: ------------------ | Branch (613:9): [True: 0, False: 84.4k] ------------------ 614| 0| if (state->flags & 0x0400) { ------------------ | Branch (614:17): [True: 0, False: 0] ------------------ 615| 0| copy = state->length; 616| 0| if (copy > have) ------------------ | Branch (616:21): [True: 0, False: 0] ------------------ 617| 0| copy = have; 618| 0| if (copy) { ------------------ | Branch (618:21): [True: 0, False: 0] ------------------ 619| 0| if (state->head != NULL && state->head->extra != NULL) { ------------------ | Branch (619:25): [True: 0, False: 0] | Branch (619:48): [True: 0, False: 0] ------------------ 620| 0| len = state->head->extra_len - state->length; 621| 0| if (len < state->head->extra_max) { ------------------ | Branch (621:29): [True: 0, False: 0] ------------------ 622| 0| memcpy(state->head->extra + len, next, 623| 0| len + copy > state->head->extra_max ? ------------------ | Branch (623:37): [True: 0, False: 0] ------------------ 624| 0| state->head->extra_max - len : copy); 625| 0| } 626| 0| } 627| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) { ------------------ | Branch (627:25): [True: 0, False: 0] | Branch (627:52): [True: 0, False: 0] ------------------ 628| 0| state->check = PREFIX(crc32)(state->check, next, copy); ------------------ | | 97| 0|# define PREFIX(x) zng_ ## x ------------------ 629| 0| } 630| 0| have -= copy; 631| 0| next += copy; 632| 0| state->length -= copy; 633| 0| } 634| 0| if (state->length) ------------------ | Branch (634:21): [True: 0, False: 0] ------------------ 635| 0| goto inf_leave; 636| 0| } 637| 0| state->length = 0; 638| 0| state->mode = NAME; 639| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 640| | 641| 0| case NAME: ------------------ | Branch (641:9): [True: 0, False: 84.4k] ------------------ 642| 0| if (state->flags & 0x0800) { ------------------ | Branch (642:17): [True: 0, False: 0] ------------------ 643| 0| if (have == 0) goto inf_leave; ------------------ | Branch (643:21): [True: 0, False: 0] ------------------ 644| 0| copy = 0; 645| 0| do { 646| 0| len = (unsigned)(next[copy++]); 647| 0| if (state->head != NULL && state->head->name != NULL && state->length < state->head->name_max) ------------------ | Branch (647:25): [True: 0, False: 0] | Branch (647:48): [True: 0, False: 0] | Branch (647:77): [True: 0, False: 0] ------------------ 648| 0| state->head->name[state->length++] = (unsigned char)len; 649| 0| } while (len && copy < have); ------------------ | Branch (649:26): [True: 0, False: 0] | Branch (649:33): [True: 0, False: 0] ------------------ 650| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (650:21): [True: 0, False: 0] | Branch (650:48): [True: 0, False: 0] ------------------ 651| 0| state->check = PREFIX(crc32)(state->check, next, copy); ------------------ | | 97| 0|# define PREFIX(x) zng_ ## x ------------------ 652| 0| have -= copy; 653| 0| next += copy; 654| 0| if (len) ------------------ | Branch (654:21): [True: 0, False: 0] ------------------ 655| 0| goto inf_leave; 656| 0| } else if (state->head != NULL) { ------------------ | Branch (656:24): [True: 0, False: 0] ------------------ 657| 0| state->head->name = NULL; 658| 0| } 659| 0| state->length = 0; 660| 0| state->mode = COMMENT; 661| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 662| | 663| 0| case COMMENT: ------------------ | Branch (663:9): [True: 0, False: 84.4k] ------------------ 664| 0| if (state->flags & 0x1000) { ------------------ | Branch (664:17): [True: 0, False: 0] ------------------ 665| 0| if (have == 0) goto inf_leave; ------------------ | Branch (665:21): [True: 0, False: 0] ------------------ 666| 0| copy = 0; 667| 0| do { 668| 0| len = (unsigned)(next[copy++]); 669| 0| if (state->head != NULL && state->head->comment != NULL ------------------ | Branch (669:25): [True: 0, False: 0] | Branch (669:48): [True: 0, False: 0] ------------------ 670| 0| && state->length < state->head->comm_max) ------------------ | Branch (670:28): [True: 0, False: 0] ------------------ 671| 0| state->head->comment[state->length++] = (unsigned char)len; 672| 0| } while (len && copy < have); ------------------ | Branch (672:26): [True: 0, False: 0] | Branch (672:33): [True: 0, False: 0] ------------------ 673| 0| if ((state->flags & 0x0200) && (state->wrap & 4)) ------------------ | Branch (673:21): [True: 0, False: 0] | Branch (673:48): [True: 0, False: 0] ------------------ 674| 0| state->check = PREFIX(crc32)(state->check, next, copy); ------------------ | | 97| 0|# define PREFIX(x) zng_ ## x ------------------ 675| 0| have -= copy; 676| 0| next += copy; 677| 0| if (len) ------------------ | Branch (677:21): [True: 0, False: 0] ------------------ 678| 0| goto inf_leave; 679| 0| } else if (state->head != NULL) { ------------------ | Branch (679:24): [True: 0, False: 0] ------------------ 680| 0| state->head->comment = NULL; 681| 0| } 682| 0| state->mode = HCRC; 683| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 684| | 685| 0| case HCRC: ------------------ | Branch (685:9): [True: 0, False: 84.4k] ------------------ 686| 0| if (state->flags & 0x0200) { ------------------ | Branch (686:17): [True: 0, False: 0] ------------------ 687| 0| NEEDBITS(16); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 688| 0| if ((state->wrap & 4) && hold != (state->check & 0xffff)) { ------------------ | Branch (688:21): [True: 0, False: 0] | Branch (688:42): [True: 0, False: 0] ------------------ 689| 0| SET_BAD("header crc mismatch"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 690| 0| break; 691| 0| } 692| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 693| 0| } 694| 0| if (state->head != NULL) { ------------------ | Branch (694:17): [True: 0, False: 0] ------------------ 695| 0| state->head->hcrc = (int)((state->flags >> 9) & 1); 696| 0| state->head->done = 1; 697| 0| } 698| | /* compute crc32 checksum if not in raw mode */ 699| 0| if ((state->wrap & 4) && state->flags) ------------------ | Branch (699:17): [True: 0, False: 0] | Branch (699:38): [True: 0, False: 0] ------------------ 700| 0| strm->adler = state->check = FUNCTABLE_CALL(crc32_fold_reset)(&state->crc_fold); ------------------ | | 49| 0|# define FUNCTABLE_CALL(name) functable.name ------------------ 701| 0| state->mode = TYPE; 702| 0| break; 703| 0|#endif 704| 0| case DICTID: ------------------ | Branch (704:9): [True: 0, False: 84.4k] ------------------ 705| 0| NEEDBITS(32); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 706| 0| strm->adler = state->check = ZSWAP32((unsigned)hold); ------------------ | | 170| 0|# define ZSWAP32(q) __builtin_bswap32(q) ------------------ 707| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 708| 0| state->mode = DICT; 709| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 710| | 711| 0| case DICT: ------------------ | Branch (711:9): [True: 0, False: 84.4k] ------------------ 712| 0| if (state->havedict == 0) { ------------------ | Branch (712:17): [True: 0, False: 0] ------------------ 713| 0| RESTORE(); ------------------ | | 88| 0| do { \ | | 89| 0| strm->next_out = put; \ | | 90| 0| strm->avail_out = left; \ | | 91| 0| strm->next_in = (z_const unsigned char *)next; \ | | 92| 0| strm->avail_in = have; \ | | 93| 0| state->hold = hold; \ | | 94| 0| state->bits = bits; \ | | 95| 0| } while (0) | | ------------------ | | | Branch (95:14): [Folded, False: 0] | | ------------------ ------------------ 714| 0| return Z_NEED_DICT; ------------------ | | 182| 0|#define Z_NEED_DICT 2 ------------------ 715| 0| } 716| 0| strm->adler = state->check = ADLER32_INITIAL_VALUE; ------------------ | | 65| 0|#define ADLER32_INITIAL_VALUE 1 /* initial adler-32 hash value */ ------------------ 717| 0| state->mode = TYPE; 718| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 719| | 720| 21.7k| case TYPE: ------------------ | Branch (720:9): [True: 21.7k, False: 62.6k] ------------------ 721| 21.7k| if (flush == Z_BLOCK || flush == Z_TREES) ------------------ | | 176| 43.5k|#define Z_BLOCK 5 ------------------ if (flush == Z_BLOCK || flush == Z_TREES) ------------------ | | 177| 21.7k|#define Z_TREES 6 ------------------ | Branch (721:17): [True: 0, False: 21.7k] | Branch (721:37): [True: 0, False: 21.7k] ------------------ 722| 0| goto inf_leave; 723| 21.7k| Z_FALLTHROUGH; ------------------ | | 45| 21.7k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 724| | 725| 21.7k| case TYPEDO: ------------------ | Branch (725:9): [True: 0, False: 84.4k] ------------------ 726| | /* determine and dispatch block type */ 727| 21.7k| INFLATE_TYPEDO_HOOK(strm, flush); /* hook for IBM Z DFLTCC */ ------------------ | | 29| 21.7k|# define INFLATE_TYPEDO_HOOK(strm, flush) do {} while (0) | | ------------------ | | | Branch (29:57): [Folded, False: 21.7k] | | ------------------ ------------------ 728| 21.7k| if (state->last) { ------------------ | Branch (728:17): [True: 50, False: 21.7k] ------------------ 729| 50| BYTEBITS(); ------------------ | | 125| 50| do { \ | | 126| 50| hold >>= bits & 7; \ | | 127| 50| bits -= bits & 7; \ | | 128| 50| } while (0) | | ------------------ | | | Branch (128:14): [Folded, False: 50] | | ------------------ ------------------ 730| 50| state->mode = CHECK; 731| 50| break; 732| 50| } 733| 21.7k| NEEDBITS(3); ------------------ | | 107| 21.7k| do { \ | | 108| 35.8k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 14.1k, False: 21.7k] | | ------------------ | | 109| 21.7k| PULLBYTE(); \ | | ------------------ | | | | 386| 14.1k| do { \ | | | | 387| 14.1k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 14.1k] | | | | ------------------ | | | | 388| 14.1k| have--; \ | | | | 389| 14.1k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 14.1k| bits += 8; \ | | | | 391| 14.1k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 14.1k] | | | | ------------------ | | ------------------ | | 110| 21.7k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 21.7k] | | ------------------ ------------------ 734| 21.7k| state->last = BITS(1); ------------------ | | 114| 21.7k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 735| 21.7k| DROPBITS(1); ------------------ | | 118| 21.7k| do { \ | | 119| 21.7k| hold >>= (n); \ | | 120| 21.7k| bits -= (unsigned)(n); \ | | 121| 21.7k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 21.7k] | | ------------------ ------------------ 736| 21.7k| switch (BITS(2)) { ------------------ | | 114| 21.7k| (hold & ((1U << (unsigned)(n)) - 1)) | | ------------------ | | | Branch (114:5): [True: 21.7k, False: 0] | | ------------------ ------------------ 737| 5.48k| case 0: /* stored block */ ------------------ | Branch (737:13): [True: 5.48k, False: 16.2k] ------------------ 738| 5.48k| Tracev((stderr, "inflate: stored block%s\n", state->last ? " (last)" : "")); 739| 5.48k| state->mode = STORED; 740| 5.48k| break; 741| 9.03k| case 1: /* fixed block */ ------------------ | Branch (741:13): [True: 9.03k, False: 12.6k] ------------------ 742| 9.03k| PREFIX(fixedtables)(state); ------------------ | | 97| 9.03k|# define PREFIX(x) zng_ ## x ------------------ 743| 9.03k| Tracev((stderr, "inflate: fixed codes block%s\n", state->last ? " (last)" : "")); 744| 9.03k| state->mode = LEN_; /* decode codes */ 745| 9.03k| if (flush == Z_TREES) { ------------------ | | 177| 9.03k|#define Z_TREES 6 ------------------ | Branch (745:21): [True: 0, False: 9.03k] ------------------ 746| 0| DROPBITS(2); ------------------ | | 118| 0| do { \ | | 119| 0| hold >>= (n); \ | | 120| 0| bits -= (unsigned)(n); \ | | 121| 0| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 0] | | ------------------ ------------------ 747| 0| goto inf_leave; 748| 0| } 749| 9.03k| break; 750| 9.03k| case 2: /* dynamic block */ ------------------ | Branch (750:13): [True: 7.21k, False: 14.5k] ------------------ 751| 7.21k| Tracev((stderr, "inflate: dynamic codes block%s\n", state->last ? " (last)" : "")); 752| 7.21k| state->mode = TABLE; 753| 7.21k| break; 754| 5| case 3: ------------------ | Branch (754:13): [True: 5, False: 21.7k] ------------------ 755| 5| SET_BAD("invalid block type"); ------------------ | | 132| 5| do { \ | | 133| 5| state->mode = BAD; \ | | 134| 5| strm->msg = (char *)errmsg; \ | | 135| 5| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 5] | | ------------------ ------------------ 756| 21.7k| } 757| 21.7k| DROPBITS(2); ------------------ | | 118| 21.7k| do { \ | | 119| 21.7k| hold >>= (n); \ | | 120| 21.7k| bits -= (unsigned)(n); \ | | 121| 21.7k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 21.7k] | | ------------------ ------------------ 758| 21.7k| break; 759| | 760| 5.48k| case STORED: ------------------ | Branch (760:9): [True: 5.48k, False: 78.9k] ------------------ 761| | /* get and verify stored block length */ 762| 5.48k| BYTEBITS(); /* go to byte boundary */ ------------------ | | 125| 5.48k| do { \ | | 126| 5.48k| hold >>= bits & 7; \ | | 127| 5.48k| bits -= bits & 7; \ | | 128| 5.48k| } while (0) | | ------------------ | | | Branch (128:14): [Folded, False: 5.48k] | | ------------------ ------------------ 763| 5.48k| NEEDBITS(32); ------------------ | | 107| 5.48k| do { \ | | 108| 27.4k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 21.9k, False: 5.48k] | | ------------------ | | 109| 21.9k| PULLBYTE(); \ | | ------------------ | | | | 386| 21.9k| do { \ | | | | 387| 21.9k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 6, False: 21.9k] | | | | ------------------ | | | | 388| 21.9k| have--; \ | | | | 389| 21.9k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 21.9k| bits += 8; \ | | | | 391| 21.9k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 21.9k] | | | | ------------------ | | ------------------ | | 110| 5.48k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 5.48k] | | ------------------ ------------------ 764| 5.48k| if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { ------------------ | Branch (764:17): [True: 19, False: 5.46k] ------------------ 765| 19| SET_BAD("invalid stored block lengths"); ------------------ | | 132| 19| do { \ | | 133| 19| state->mode = BAD; \ | | 134| 19| strm->msg = (char *)errmsg; \ | | 135| 19| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 19] | | ------------------ ------------------ 766| 19| break; 767| 19| } 768| 5.46k| state->length = (uint16_t)hold; 769| 5.46k| Tracev((stderr, "inflate: stored length %u\n", state->length)); 770| 5.46k| INITBITS(); ------------------ | | 99| 5.46k| do { \ | | 100| 5.46k| hold = 0; \ | | 101| 5.46k| bits = 0; \ | | 102| 5.46k| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 5.46k] | | ------------------ ------------------ 771| 5.46k| state->mode = COPY_; 772| 5.46k| if (flush == Z_TREES) ------------------ | | 177| 5.46k|#define Z_TREES 6 ------------------ | Branch (772:17): [True: 0, False: 5.46k] ------------------ 773| 0| goto inf_leave; 774| 5.46k| Z_FALLTHROUGH; ------------------ | | 45| 5.46k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 775| | 776| 5.46k| case COPY_: ------------------ | Branch (776:9): [True: 0, False: 84.4k] ------------------ 777| 5.46k| state->mode = COPY; 778| 5.46k| Z_FALLTHROUGH; ------------------ | | 45| 5.46k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 779| | 780| 5.64k| case COPY: ------------------ | Branch (780:9): [True: 187, False: 84.2k] ------------------ 781| | /* copy stored block from input to output */ 782| 5.64k| copy = state->length; 783| 5.64k| if (copy) { ------------------ | Branch (783:17): [True: 206, False: 5.44k] ------------------ 784| 206| copy = MIN(copy, have); ------------------ | | 124| 206|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 51, False: 155] | | ------------------ ------------------ 785| 206| copy = MIN(copy, left); ------------------ | | 124| 206|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 27, False: 179] | | ------------------ ------------------ 786| 206| if (copy == 0) ------------------ | Branch (786:21): [True: 38, False: 168] ------------------ 787| 38| goto inf_leave; 788| 168| memcpy(put, next, copy); 789| 168| have -= copy; 790| 168| next += copy; 791| 168| left -= copy; 792| 168| put += copy; 793| 168| state->length -= copy; 794| 168| break; 795| 206| } 796| 5.44k| Tracev((stderr, "inflate: stored end\n")); 797| 5.44k| state->mode = TYPE; 798| 5.44k| break; 799| | 800| 7.21k| case TABLE: ------------------ | Branch (800:9): [True: 7.21k, False: 77.2k] ------------------ 801| | /* get dynamic table entries descriptor */ 802| 7.21k| NEEDBITS(14); ------------------ | | 107| 7.21k| do { \ | | 108| 21.6k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 14.4k, False: 7.21k] | | ------------------ | | 109| 14.4k| PULLBYTE(); \ | | ------------------ | | | | 386| 14.4k| do { \ | | | | 387| 14.4k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 14.4k] | | | | ------------------ | | | | 388| 14.4k| have--; \ | | | | 389| 14.4k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 14.4k| bits += 8; \ | | | | 391| 14.4k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 14.4k] | | | | ------------------ | | ------------------ | | 110| 7.21k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 7.21k] | | ------------------ ------------------ 803| 7.21k| state->nlen = BITS(5) + 257; ------------------ | | 114| 7.21k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 804| 7.21k| DROPBITS(5); ------------------ | | 118| 7.21k| do { \ | | 119| 7.21k| hold >>= (n); \ | | 120| 7.21k| bits -= (unsigned)(n); \ | | 121| 7.21k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 7.21k] | | ------------------ ------------------ 805| 7.21k| state->ndist = BITS(5) + 1; ------------------ | | 114| 7.21k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 806| 7.21k| DROPBITS(5); ------------------ | | 118| 7.21k| do { \ | | 119| 7.21k| hold >>= (n); \ | | 120| 7.21k| bits -= (unsigned)(n); \ | | 121| 7.21k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 7.21k] | | ------------------ ------------------ 807| 7.21k| state->ncode = BITS(4) + 4; ------------------ | | 114| 7.21k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 808| 7.21k| DROPBITS(4); ------------------ | | 118| 7.21k| do { \ | | 119| 7.21k| hold >>= (n); \ | | 120| 7.21k| bits -= (unsigned)(n); \ | | 121| 7.21k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 7.21k] | | ------------------ ------------------ 809| 7.21k|#ifndef PKZIP_BUG_WORKAROUND 810| 7.21k| if (state->nlen > 286 || state->ndist > 30) { ------------------ | Branch (810:17): [True: 2, False: 7.20k] | Branch (810:38): [True: 0, False: 7.20k] ------------------ 811| 2| SET_BAD("too many length or distance symbols"); ------------------ | | 132| 2| do { \ | | 133| 2| state->mode = BAD; \ | | 134| 2| strm->msg = (char *)errmsg; \ | | 135| 2| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 2] | | ------------------ ------------------ 812| 2| break; 813| 2| } 814| 7.20k|#endif 815| 7.20k| Tracev((stderr, "inflate: table sizes ok\n")); 816| 7.20k| state->have = 0; 817| 7.20k| state->mode = LENLENS; 818| 7.20k| Z_FALLTHROUGH; ------------------ | | 45| 7.20k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 819| | 820| 7.21k| case LENLENS: ------------------ | Branch (820:9): [True: 1, False: 84.4k] ------------------ 821| | /* get code length code lengths (not a typo) */ 822| 126k| while (state->have < state->ncode) { ------------------ | Branch (822:20): [True: 118k, False: 7.20k] ------------------ 823| 118k| NEEDBITS(3); ------------------ | | 107| 118k| do { \ | | 108| 158k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 39.2k, False: 118k] | | ------------------ | | 109| 118k| PULLBYTE(); \ | | ------------------ | | | | 386| 39.2k| do { \ | | | | 387| 39.2k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 2, False: 39.2k] | | | | ------------------ | | | | 388| 39.2k| have--; \ | | | | 389| 39.2k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 39.2k| bits += 8; \ | | | | 391| 39.2k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 39.2k] | | | | ------------------ | | ------------------ | | 110| 118k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 118k] | | ------------------ ------------------ 824| 118k| state->lens[order[state->have++]] = (uint16_t)BITS(3); ------------------ | | 114| 118k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 825| 118k| DROPBITS(3); ------------------ | | 118| 118k| do { \ | | 119| 118k| hold >>= (n); \ | | 120| 118k| bits -= (unsigned)(n); \ | | 121| 118k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 118k] | | ------------------ ------------------ 826| 118k| } 827| 25.3k| while (state->have < 19) ------------------ | Branch (827:20): [True: 18.1k, False: 7.20k] ------------------ 828| 18.1k| state->lens[order[state->have++]] = 0; 829| 7.20k| state->next = state->codes; 830| 7.20k| state->lencode = (const code *)(state->next); 831| 7.20k| state->lenbits = 7; 832| 7.20k| ret = zng_inflate_table(CODES, state->lens, 19, &(state->next), &(state->lenbits), state->work); 833| 7.20k| if (ret) { ------------------ | Branch (833:17): [True: 5, False: 7.20k] ------------------ 834| 5| SET_BAD("invalid code lengths set"); ------------------ | | 132| 5| do { \ | | 133| 5| state->mode = BAD; \ | | 134| 5| strm->msg = (char *)errmsg; \ | | 135| 5| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 5] | | ------------------ ------------------ 835| 5| break; 836| 5| } 837| 7.20k| Tracev((stderr, "inflate: code lengths ok\n")); 838| 7.20k| state->have = 0; 839| 7.20k| state->mode = CODELENS; 840| 7.20k| Z_FALLTHROUGH; ------------------ | | 45| 7.20k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 841| | 842| 7.20k| case CODELENS: ------------------ | Branch (842:9): [True: 1, False: 84.4k] ------------------ 843| | /* get length and distance code code lengths */ 844| 998k| while (state->have < state->nlen + state->ndist) { ------------------ | Branch (844:20): [True: 990k, False: 7.19k] ------------------ 845| 1.21M| for (;;) { 846| 1.21M| here = state->lencode[BITS(state->lenbits)]; ------------------ | | 114| 1.21M| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 847| 1.21M| if (here.bits <= bits) break; ------------------ | Branch (847:25): [True: 990k, False: 228k] ------------------ 848| 228k| PULLBYTE(); ------------------ | | 386| 228k| do { \ | | 387| 228k| if (have == 0) goto inf_leave; \ | | ------------------ | | | Branch (387:13): [True: 2, False: 228k] | | ------------------ | | 388| 228k| have--; \ | | 389| 228k| hold += ((uint64_t)(*next++) << bits); \ | | 390| 228k| bits += 8; \ | | 391| 228k| } while (0) | | ------------------ | | | Branch (391:14): [Folded, False: 228k] | | ------------------ ------------------ 849| 228k| } 850| 990k| if (here.val < 16) { ------------------ | Branch (850:21): [True: 902k, False: 88.8k] ------------------ 851| 902k| DROPBITS(here.bits); ------------------ | | 118| 902k| do { \ | | 119| 902k| hold >>= (n); \ | | 120| 902k| bits -= (unsigned)(n); \ | | 121| 902k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 902k] | | ------------------ ------------------ 852| 902k| state->lens[state->have++] = here.val; 853| 902k| } else { 854| 88.8k| if (here.val == 16) { ------------------ | Branch (854:25): [True: 25.5k, False: 63.3k] ------------------ 855| 25.5k| NEEDBITS(here.bits + 2); ------------------ | | 107| 25.5k| do { \ | | 108| 31.0k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 5.47k, False: 25.5k] | | ------------------ | | 109| 25.5k| PULLBYTE(); \ | | ------------------ | | | | 386| 5.47k| do { \ | | | | 387| 5.47k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 5.47k] | | | | ------------------ | | | | 388| 5.47k| have--; \ | | | | 389| 5.47k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 5.47k| bits += 8; \ | | | | 391| 5.47k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 5.47k] | | | | ------------------ | | ------------------ | | 110| 25.5k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 25.5k] | | ------------------ ------------------ 856| 25.5k| DROPBITS(here.bits); ------------------ | | 118| 25.5k| do { \ | | 119| 25.5k| hold >>= (n); \ | | 120| 25.5k| bits -= (unsigned)(n); \ | | 121| 25.5k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 25.5k] | | ------------------ ------------------ 857| 25.5k| if (state->have == 0) { ------------------ | Branch (857:29): [True: 0, False: 25.5k] ------------------ 858| 0| SET_BAD("invalid bit length repeat"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 859| 0| break; 860| 0| } 861| 25.5k| len = state->lens[state->have - 1]; 862| 25.5k| copy = 3 + BITS(2); ------------------ | | 114| 25.5k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 863| 25.5k| DROPBITS(2); ------------------ | | 118| 25.5k| do { \ | | 119| 25.5k| hold >>= (n); \ | | 120| 25.5k| bits -= (unsigned)(n); \ | | 121| 25.5k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 25.5k] | | ------------------ ------------------ 864| 63.3k| } else if (here.val == 17) { ------------------ | Branch (864:32): [True: 41.0k, False: 22.2k] ------------------ 865| 41.0k| NEEDBITS(here.bits + 3); ------------------ | | 107| 41.0k| do { \ | | 108| 61.5k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 20.4k, False: 41.0k] | | ------------------ | | 109| 41.0k| PULLBYTE(); \ | | ------------------ | | | | 386| 20.4k| do { \ | | | | 387| 20.4k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 20.4k] | | | | ------------------ | | | | 388| 20.4k| have--; \ | | | | 389| 20.4k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 20.4k| bits += 8; \ | | | | 391| 20.4k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 20.4k] | | | | ------------------ | | ------------------ | | 110| 41.0k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 41.0k] | | ------------------ ------------------ 866| 41.0k| DROPBITS(here.bits); ------------------ | | 118| 41.0k| do { \ | | 119| 41.0k| hold >>= (n); \ | | 120| 41.0k| bits -= (unsigned)(n); \ | | 121| 41.0k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 41.0k] | | ------------------ ------------------ 867| 41.0k| len = 0; 868| 41.0k| copy = 3 + BITS(3); ------------------ | | 114| 41.0k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 869| 41.0k| DROPBITS(3); ------------------ | | 118| 41.0k| do { \ | | 119| 41.0k| hold >>= (n); \ | | 120| 41.0k| bits -= (unsigned)(n); \ | | 121| 41.0k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 41.0k] | | ------------------ ------------------ 870| 41.0k| } else { 871| 22.2k| NEEDBITS(here.bits + 7); ------------------ | | 107| 22.2k| do { \ | | 108| 44.4k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 22.2k, False: 22.2k] | | ------------------ | | 109| 22.2k| PULLBYTE(); \ | | ------------------ | | | | 386| 22.2k| do { \ | | | | 387| 22.2k| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 22.2k] | | | | ------------------ | | | | 388| 22.2k| have--; \ | | | | 389| 22.2k| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 22.2k| bits += 8; \ | | | | 391| 22.2k| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 22.2k] | | | | ------------------ | | ------------------ | | 110| 22.2k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 22.2k] | | ------------------ ------------------ 872| 22.2k| DROPBITS(here.bits); ------------------ | | 118| 22.2k| do { \ | | 119| 22.2k| hold >>= (n); \ | | 120| 22.2k| bits -= (unsigned)(n); \ | | 121| 22.2k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 22.2k] | | ------------------ ------------------ 873| 22.2k| len = 0; 874| 22.2k| copy = 11 + BITS(7); ------------------ | | 114| 22.2k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 875| 22.2k| DROPBITS(7); ------------------ | | 118| 22.2k| do { \ | | 119| 22.2k| hold >>= (n); \ | | 120| 22.2k| bits -= (unsigned)(n); \ | | 121| 22.2k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 22.2k] | | ------------------ ------------------ 876| 22.2k| } 877| 88.8k| if (state->have + copy > state->nlen + state->ndist) { ------------------ | Branch (877:25): [True: 7, False: 88.8k] ------------------ 878| 7| SET_BAD("invalid bit length repeat"); ------------------ | | 132| 7| do { \ | | 133| 7| state->mode = BAD; \ | | 134| 7| strm->msg = (char *)errmsg; \ | | 135| 7| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 7] | | ------------------ ------------------ 879| 7| break; 880| 7| } 881| 1.29M| while (copy) { ------------------ | Branch (881:28): [True: 1.20M, False: 88.8k] ------------------ 882| 1.20M| --copy; 883| 1.20M| state->lens[state->have++] = (uint16_t)len; 884| 1.20M| } 885| 88.8k| } 886| 990k| } 887| | 888| | /* handle error breaks in while */ 889| 7.20k| if (state->mode == BAD) ------------------ | Branch (889:17): [True: 7, False: 7.19k] ------------------ 890| 7| break; 891| | 892| | /* check for end-of-block code (better have one) */ 893| 7.19k| if (state->lens[256] == 0) { ------------------ | Branch (893:17): [True: 2, False: 7.19k] ------------------ 894| 2| SET_BAD("invalid code -- missing end-of-block"); ------------------ | | 132| 2| do { \ | | 133| 2| state->mode = BAD; \ | | 134| 2| strm->msg = (char *)errmsg; \ | | 135| 2| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 2] | | ------------------ ------------------ 895| 2| break; 896| 2| } 897| | 898| | /* build code tables -- note: do not change the lenbits or distbits 899| | values here (10 and 9) without reading the comments in inftrees.h 900| | concerning the ENOUGH constants, which depend on those values */ 901| 7.19k| state->next = state->codes; 902| 7.19k| state->lencode = (const code *)(state->next); 903| 7.19k| state->lenbits = 10; 904| 7.19k| ret = zng_inflate_table(LENS, state->lens, state->nlen, &(state->next), &(state->lenbits), state->work); 905| 7.19k| if (ret) { ------------------ | Branch (905:17): [True: 15, False: 7.17k] ------------------ 906| 15| SET_BAD("invalid literal/lengths set"); ------------------ | | 132| 15| do { \ | | 133| 15| state->mode = BAD; \ | | 134| 15| strm->msg = (char *)errmsg; \ | | 135| 15| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 15] | | ------------------ ------------------ 907| 15| break; 908| 15| } 909| 7.17k| state->distcode = (const code *)(state->next); 910| 7.17k| state->distbits = 9; 911| 7.17k| ret = zng_inflate_table(DISTS, state->lens + state->nlen, state->ndist, 912| 7.17k| &(state->next), &(state->distbits), state->work); 913| 7.17k| if (ret) { ------------------ | Branch (913:17): [True: 11, False: 7.16k] ------------------ 914| 11| SET_BAD("invalid distances set"); ------------------ | | 132| 11| do { \ | | 133| 11| state->mode = BAD; \ | | 134| 11| strm->msg = (char *)errmsg; \ | | 135| 11| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 11] | | ------------------ ------------------ 915| 11| break; 916| 11| } 917| 7.16k| Tracev((stderr, "inflate: codes ok\n")); 918| 7.16k| state->mode = LEN_; 919| 7.16k| if (flush == Z_TREES) ------------------ | | 177| 7.16k|#define Z_TREES 6 ------------------ | Branch (919:17): [True: 0, False: 7.16k] ------------------ 920| 0| goto inf_leave; 921| 7.16k| Z_FALLTHROUGH; ------------------ | | 45| 7.16k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 922| | 923| 16.1k| case LEN_: ------------------ | Branch (923:9): [True: 9.03k, False: 75.4k] ------------------ 924| 16.1k| state->mode = LEN; 925| 16.1k| Z_FALLTHROUGH; ------------------ | | 45| 16.1k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 926| | 927| 37.7k| case LEN: ------------------ | Branch (927:9): [True: 21.5k, False: 62.9k] ------------------ 928| | /* use inflate_fast() if we have enough input and output */ 929| 37.7k| if (have >= INFLATE_FAST_MIN_HAVE && left >= INFLATE_FAST_MIN_LEFT) { ------------------ | | 137| 75.5k|#define INFLATE_FAST_MIN_HAVE 15 ------------------ if (have >= INFLATE_FAST_MIN_HAVE && left >= INFLATE_FAST_MIN_LEFT) { ------------------ | | 138| 36.3k|#define INFLATE_FAST_MIN_LEFT 260 ------------------ | Branch (929:17): [True: 36.3k, False: 1.43k] | Branch (929:50): [True: 15.9k, False: 20.3k] ------------------ 930| 15.9k| RESTORE(); ------------------ | | 88| 15.9k| do { \ | | 89| 15.9k| strm->next_out = put; \ | | 90| 15.9k| strm->avail_out = left; \ | | 91| 15.9k| strm->next_in = (z_const unsigned char *)next; \ | | 92| 15.9k| strm->avail_in = have; \ | | 93| 15.9k| state->hold = hold; \ | | 94| 15.9k| state->bits = bits; \ | | 95| 15.9k| } while (0) | | ------------------ | | | Branch (95:14): [Folded, False: 15.9k] | | ------------------ ------------------ 931| 15.9k| FUNCTABLE_CALL(inflate_fast)(strm, out); ------------------ | | 49| 15.9k|# define FUNCTABLE_CALL(name) functable.name ------------------ 932| 15.9k| LOAD(); ------------------ | | 77| 15.9k| do { \ | | 78| 15.9k| put = strm->next_out; \ | | 79| 15.9k| left = strm->avail_out; \ | | 80| 15.9k| next = strm->next_in; \ | | 81| 15.9k| have = strm->avail_in; \ | | 82| 15.9k| hold = state->hold; \ | | 83| 15.9k| bits = state->bits; \ | | 84| 15.9k| } while (0) | | ------------------ | | | Branch (84:14): [Folded, False: 15.9k] | | ------------------ ------------------ 933| 15.9k| if (state->mode == TYPE) ------------------ | Branch (933:21): [True: 15.6k, False: 318] ------------------ 934| 15.6k| state->back = -1; 935| 15.9k| break; 936| 15.9k| } 937| 21.7k| state->back = 0; 938| | 939| | /* get a literal, length, or end-of-block code */ 940| 34.5k| for (;;) { 941| 34.5k| here = state->lencode[BITS(state->lenbits)]; ------------------ | | 114| 34.5k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 942| 34.5k| if (here.bits <= bits) ------------------ | Branch (942:21): [True: 21.7k, False: 12.8k] ------------------ 943| 21.7k| break; 944| 12.8k| PULLBYTE(); ------------------ | | 386| 12.8k| do { \ | | 387| 12.8k| if (have == 0) goto inf_leave; \ | | ------------------ | | | Branch (387:13): [True: 70, False: 12.8k] | | ------------------ | | 388| 12.8k| have--; \ | | 389| 12.8k| hold += ((uint64_t)(*next++) << bits); \ | | 390| 12.8k| bits += 8; \ | | 391| 12.8k| } while (0) | | ------------------ | | | Branch (391:14): [Folded, False: 12.8k] | | ------------------ ------------------ 945| 12.8k| } 946| 21.7k| if (here.op && (here.op & 0xf0) == 0) { ------------------ | Branch (946:17): [True: 4.74k, False: 16.9k] | Branch (946:28): [True: 2.61k, False: 2.13k] ------------------ 947| 2.61k| last = here; 948| 3.43k| for (;;) { 949| 3.43k| here = state->lencode[last.val + (BITS(last.bits + last.op) >> last.bits)]; ------------------ | | 114| 3.43k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 950| 3.43k| if ((unsigned)last.bits + (unsigned)here.bits <= bits) ------------------ | Branch (950:25): [True: 2.60k, False: 824] ------------------ 951| 2.60k| break; 952| 824| PULLBYTE(); ------------------ | | 386| 824| do { \ | | 387| 824| if (have == 0) goto inf_leave; \ | | ------------------ | | | Branch (387:13): [True: 6, False: 818] | | ------------------ | | 388| 824| have--; \ | | 389| 818| hold += ((uint64_t)(*next++) << bits); \ | | 390| 818| bits += 8; \ | | 391| 818| } while (0) | | ------------------ | | | Branch (391:14): [Folded, False: 818] | | ------------------ ------------------ 953| 824| } 954| 2.60k| DROPBITS(last.bits); ------------------ | | 118| 2.60k| do { \ | | 119| 2.60k| hold >>= (n); \ | | 120| 2.60k| bits -= (unsigned)(n); \ | | 121| 2.60k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 2.60k] | | ------------------ ------------------ 955| 2.60k| state->back += last.bits; 956| 2.60k| } 957| 21.7k| DROPBITS(here.bits); ------------------ | | 118| 21.7k| do { \ | | 119| 21.7k| hold >>= (n); \ | | 120| 21.7k| bits -= (unsigned)(n); \ | | 121| 21.7k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 21.7k] | | ------------------ ------------------ 958| 21.7k| state->back += here.bits; 959| 21.7k| state->length = here.val; 960| | 961| | /* process literal */ 962| 21.7k| if ((int)(here.op) == 0) { ------------------ | Branch (962:17): [True: 18.3k, False: 3.37k] ------------------ 963| 18.3k| Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? 964| 18.3k| "inflate: literal '%c'\n" : 965| 18.3k| "inflate: literal 0x%02x\n", here.val)); 966| 18.3k| state->mode = LIT; 967| 18.3k| break; 968| 18.3k| } 969| | 970| | /* process end of block */ 971| 3.37k| if (here.op & 32) { ------------------ | Branch (971:17): [True: 312, False: 3.05k] ------------------ 972| 312| Tracevv((stderr, "inflate: end of block\n")); 973| 312| state->back = -1; 974| 312| state->mode = TYPE; 975| 312| break; 976| 312| } 977| | 978| | /* invalid code */ 979| 3.05k| if (here.op & 64) { ------------------ | Branch (979:17): [True: 0, False: 3.05k] ------------------ 980| 0| SET_BAD("invalid literal/length code"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 981| 0| break; 982| 0| } 983| | 984| | /* length code */ 985| 3.05k| state->extra = (here.op & MAX_BITS); ------------------ | | 39| 3.05k|#define MAX_BITS 15 ------------------ 986| 3.05k| state->mode = LENEXT; 987| 3.05k| Z_FALLTHROUGH; ------------------ | | 45| 3.05k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 988| | 989| 3.05k| case LENEXT: ------------------ | Branch (989:9): [True: 0, False: 84.4k] ------------------ 990| | /* get extra bits, if any */ 991| 3.05k| if (state->extra) { ------------------ | Branch (991:17): [True: 728, False: 2.33k] ------------------ 992| 728| NEEDBITS(state->extra); ------------------ | | 107| 728| do { \ | | 108| 926| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 198, False: 728] | | ------------------ | | 109| 728| PULLBYTE(); \ | | ------------------ | | | | 386| 198| do { \ | | | | 387| 198| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 198] | | | | ------------------ | | | | 388| 198| have--; \ | | | | 389| 198| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 198| bits += 8; \ | | | | 391| 198| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 198] | | | | ------------------ | | ------------------ | | 110| 728| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 728] | | ------------------ ------------------ 993| 728| state->length += BITS(state->extra); ------------------ | | 114| 728| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 994| 728| DROPBITS(state->extra); ------------------ | | 118| 728| do { \ | | 119| 728| hold >>= (n); \ | | 120| 728| bits -= (unsigned)(n); \ | | 121| 728| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 728] | | ------------------ ------------------ 995| 728| state->back += state->extra; 996| 728| } 997| 3.05k| Tracevv((stderr, "inflate: length %u\n", state->length)); 998| 3.05k| state->was = state->length; 999| 3.05k| state->mode = DIST; 1000| 3.05k| Z_FALLTHROUGH; ------------------ | | 45| 3.05k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 1001| | 1002| 3.06k| case DIST: ------------------ | Branch (1002:9): [True: 6, False: 84.4k] ------------------ 1003| | /* get distance code */ 1004| 4.64k| for (;;) { 1005| 4.64k| here = state->distcode[BITS(state->distbits)]; ------------------ | | 114| 4.64k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 1006| 4.64k| if (here.bits <= bits) ------------------ | Branch (1006:21): [True: 3.05k, False: 1.58k] ------------------ 1007| 3.05k| break; 1008| 1.58k| PULLBYTE(); ------------------ | | 386| 1.58k| do { \ | | 387| 1.58k| if (have == 0) goto inf_leave; \ | | ------------------ | | | Branch (387:13): [True: 8, False: 1.57k] | | ------------------ | | 388| 1.58k| have--; \ | | 389| 1.57k| hold += ((uint64_t)(*next++) << bits); \ | | 390| 1.57k| bits += 8; \ | | 391| 1.57k| } while (0) | | ------------------ | | | Branch (391:14): [Folded, False: 1.57k] | | ------------------ ------------------ 1009| 1.58k| } 1010| 3.05k| if ((here.op & 0xf0) == 0) { ------------------ | Branch (1010:17): [True: 664, False: 2.39k] ------------------ 1011| 664| last = here; 1012| 946| for (;;) { 1013| 946| here = state->distcode[last.val + (BITS(last.bits + last.op) >> last.bits)]; ------------------ | | 114| 946| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 1014| 946| if ((unsigned)last.bits + (unsigned)here.bits <= bits) ------------------ | Branch (1014:25): [True: 660, False: 286] ------------------ 1015| 660| break; 1016| 286| PULLBYTE(); ------------------ | | 386| 286| do { \ | | 387| 286| if (have == 0) goto inf_leave; \ | | ------------------ | | | Branch (387:13): [True: 4, False: 282] | | ------------------ | | 388| 286| have--; \ | | 389| 282| hold += ((uint64_t)(*next++) << bits); \ | | 390| 282| bits += 8; \ | | 391| 282| } while (0) | | ------------------ | | | Branch (391:14): [Folded, False: 282] | | ------------------ ------------------ 1017| 286| } 1018| 660| DROPBITS(last.bits); ------------------ | | 118| 660| do { \ | | 119| 660| hold >>= (n); \ | | 120| 660| bits -= (unsigned)(n); \ | | 121| 660| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 660] | | ------------------ ------------------ 1019| 660| state->back += last.bits; 1020| 660| } 1021| 3.05k| DROPBITS(here.bits); ------------------ | | 118| 3.05k| do { \ | | 119| 3.05k| hold >>= (n); \ | | 120| 3.05k| bits -= (unsigned)(n); \ | | 121| 3.05k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 3.05k] | | ------------------ ------------------ 1022| 3.05k| state->back += here.bits; 1023| 3.05k| if (here.op & 64) { ------------------ | Branch (1023:17): [True: 5, False: 3.04k] ------------------ 1024| 5| SET_BAD("invalid distance code"); ------------------ | | 132| 5| do { \ | | 133| 5| state->mode = BAD; \ | | 134| 5| strm->msg = (char *)errmsg; \ | | 135| 5| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 5] | | ------------------ ------------------ 1025| 5| break; 1026| 5| } 1027| 3.04k| state->offset = here.val; 1028| 3.04k| state->extra = (here.op & MAX_BITS); ------------------ | | 39| 3.04k|#define MAX_BITS 15 ------------------ 1029| 3.04k| state->mode = DISTEXT; 1030| 3.04k| Z_FALLTHROUGH; ------------------ | | 45| 3.04k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 1031| | 1032| 3.05k| case DISTEXT: ------------------ | Branch (1032:9): [True: 4, False: 84.4k] ------------------ 1033| | /* get distance extra bits, if any */ 1034| 3.05k| if (state->extra) { ------------------ | Branch (1034:17): [True: 1.53k, False: 1.51k] ------------------ 1035| 1.53k| NEEDBITS(state->extra); ------------------ | | 107| 1.53k| do { \ | | 108| 2.16k| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 634, False: 1.53k] | | ------------------ | | 109| 1.53k| PULLBYTE(); \ | | ------------------ | | | | 386| 634| do { \ | | | | 387| 634| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 8, False: 626] | | | | ------------------ | | | | 388| 634| have--; \ | | | | 389| 626| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 626| bits += 8; \ | | | | 391| 626| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 626] | | | | ------------------ | | ------------------ | | 110| 1.53k| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 1.53k] | | ------------------ ------------------ 1036| 1.53k| state->offset += BITS(state->extra); ------------------ | | 114| 1.53k| (hold & ((1U << (unsigned)(n)) - 1)) ------------------ 1037| 1.53k| DROPBITS(state->extra); ------------------ | | 118| 1.53k| do { \ | | 119| 1.53k| hold >>= (n); \ | | 120| 1.53k| bits -= (unsigned)(n); \ | | 121| 1.53k| } while (0) | | ------------------ | | | Branch (121:14): [Folded, False: 1.53k] | | ------------------ ------------------ 1038| 1.53k| state->back += state->extra; 1039| 1.53k| } 1040| |#ifdef INFLATE_STRICT 1041| | if (state->offset > state->dmax) { 1042| | SET_BAD("invalid distance too far back"); 1043| | break; 1044| | } 1045| |#endif 1046| 3.04k| Tracevv((stderr, "inflate: distance %u\n", state->offset)); 1047| 3.04k| state->mode = MATCH; 1048| 3.04k| Z_FALLTHROUGH; ------------------ | | 45| 3.04k|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 1049| | 1050| 3.23k| case MATCH: ------------------ | Branch (1050:9): [True: 188, False: 84.2k] ------------------ 1051| | /* copy match from window to output */ 1052| 3.23k| if (left == 0) ------------------ | Branch (1052:17): [True: 198, False: 3.03k] ------------------ 1053| 198| goto inf_leave; 1054| 3.03k| copy = out - left; 1055| 3.03k| if (state->offset > copy) { /* copy from window */ ------------------ | Branch (1055:17): [True: 23, False: 3.01k] ------------------ 1056| 23| copy = state->offset - copy; 1057| 23| if (copy > state->whave) { ------------------ | Branch (1057:21): [True: 23, False: 0] ------------------ 1058| |#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR 1059| | if (state->sane) { 1060| | SET_BAD("invalid distance too far back"); 1061| | break; 1062| | } 1063| | Trace((stderr, "inflate.c too far\n")); 1064| | copy -= state->whave; 1065| | copy = MIN(copy, state->length); 1066| | copy = MIN(copy, left); 1067| | left -= copy; 1068| | state->length -= copy; 1069| | do { 1070| | *put++ = 0; 1071| | } while (--copy); 1072| | if (state->length == 0) 1073| | state->mode = LEN; 1074| |#else 1075| 23| SET_BAD("invalid distance too far back"); ------------------ | | 132| 23| do { \ | | 133| 23| state->mode = BAD; \ | | 134| 23| strm->msg = (char *)errmsg; \ | | 135| 23| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 23] | | ------------------ ------------------ 1076| 23|#endif 1077| 23| break; 1078| 23| } 1079| 0| if (copy > state->wnext) { ------------------ | Branch (1079:21): [True: 0, False: 0] ------------------ 1080| 0| copy -= state->wnext; 1081| 0| from = state->window + (state->wsize - copy); 1082| 0| } else { 1083| 0| from = state->window + (state->wnext - copy); 1084| 0| } 1085| 0| copy = MIN(copy, state->length); ------------------ | | 124| 0|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 0, False: 0] | | ------------------ ------------------ 1086| 0| copy = MIN(copy, left); ------------------ | | 124| 0|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 0, False: 0] | | ------------------ ------------------ 1087| | 1088| 0| put = chunkcopy_safe(put, from, copy, put + left); 1089| 3.01k| } else { 1090| 3.01k| copy = MIN(state->length, left); ------------------ | | 124| 3.01k|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 89, False: 2.92k] | | ------------------ ------------------ 1091| | 1092| 3.01k| put = FUNCTABLE_CALL(chunkmemset_safe)(put, put - state->offset, copy, left); ------------------ | | 49| 3.01k|# define FUNCTABLE_CALL(name) functable.name ------------------ 1093| 3.01k| } 1094| 3.01k| left -= copy; 1095| 3.01k| state->length -= copy; 1096| 3.01k| if (state->length == 0) ------------------ | Branch (1096:17): [True: 2.92k, False: 89] ------------------ 1097| 2.92k| state->mode = LEN; 1098| 3.01k| break; 1099| | 1100| 18.3k| case LIT: ------------------ | Branch (1100:9): [True: 18.3k, False: 66.0k] ------------------ 1101| 18.3k| if (left == 0) ------------------ | Branch (1101:17): [True: 82, False: 18.3k] ------------------ 1102| 82| goto inf_leave; 1103| 18.3k| *put++ = (unsigned char)(state->length); 1104| 18.3k| left--; 1105| 18.3k| state->mode = LEN; 1106| 18.3k| break; 1107| | 1108| 50| case CHECK: ------------------ | Branch (1108:9): [True: 50, False: 84.4k] ------------------ 1109| 50| if (state->wrap) { ------------------ | Branch (1109:17): [True: 50, False: 0] ------------------ 1110| 50| NEEDBITS(32); ------------------ | | 107| 50| do { \ | | 108| 250| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 200, False: 50] | | ------------------ | | 109| 200| PULLBYTE(); \ | | ------------------ | | | | 386| 200| do { \ | | | | 387| 200| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 200] | | | | ------------------ | | | | 388| 200| have--; \ | | | | 389| 200| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 200| bits += 8; \ | | | | 391| 200| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 200] | | | | ------------------ | | ------------------ | | 110| 50| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 50] | | ------------------ ------------------ 1111| 50| out -= left; 1112| 50| strm->total_out += out; 1113| 50| state->total += out; 1114| | 1115| | /* compute crc32 checksum if not in raw mode */ 1116| 50| if (INFLATE_NEED_CHECKSUM(strm) && state->wrap & 4) { ------------------ | | 31| 100|# define INFLATE_NEED_CHECKSUM(strm) 1 | | ------------------ | | | Branch (31:39): [True: 50, Folded] | | ------------------ ------------------ | Branch (1116:52): [True: 50, False: 0] ------------------ 1117| 50| if (out) { ------------------ | Branch (1117:25): [True: 50, False: 0] ------------------ 1118| 50| inf_chksum(strm, put - out, out); 1119| 50| } 1120| 50|#ifdef GUNZIP 1121| 50| if (state->flags) ------------------ | Branch (1121:25): [True: 0, False: 50] ------------------ 1122| 0| strm->adler = state->check = FUNCTABLE_CALL(crc32_fold_final)(&state->crc_fold); ------------------ | | 49| 0|# define FUNCTABLE_CALL(name) functable.name ------------------ 1123| 50|#endif 1124| 50| } 1125| 50| out = left; 1126| 50| if ((state->wrap & 4) && ( ------------------ | Branch (1126:21): [True: 50, False: 0] | Branch (1126:42): [True: 50, False: 0] ------------------ 1127| 50|#ifdef GUNZIP 1128| 50| state->flags ? hold : ------------------ | Branch (1128:22): [True: 0, False: 50] ------------------ 1129| 50|#endif 1130| 50| ZSWAP32((unsigned)hold)) != state->check) { ------------------ | | 170| 50|# define ZSWAP32(q) __builtin_bswap32(q) ------------------ 1131| 50| SET_BAD("incorrect data check"); ------------------ | | 132| 50| do { \ | | 133| 50| state->mode = BAD; \ | | 134| 50| strm->msg = (char *)errmsg; \ | | 135| 50| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 50] | | ------------------ ------------------ 1132| 50| break; 1133| 50| } 1134| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 1135| 0| Tracev((stderr, "inflate: check matches trailer\n")); 1136| 0| } 1137| 0|#ifdef GUNZIP 1138| 0| state->mode = LENGTH; 1139| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 1140| | 1141| 0| case LENGTH: ------------------ | Branch (1141:9): [True: 0, False: 84.4k] ------------------ 1142| 0| if (state->wrap && state->flags) { ------------------ | Branch (1142:17): [True: 0, False: 0] | Branch (1142:32): [True: 0, False: 0] ------------------ 1143| 0| NEEDBITS(32); ------------------ | | 107| 0| do { \ | | 108| 0| while (bits < (unsigned)(n)) \ | | ------------------ | | | Branch (108:16): [True: 0, False: 0] | | ------------------ | | 109| 0| PULLBYTE(); \ | | ------------------ | | | | 386| 0| do { \ | | | | 387| 0| if (have == 0) goto inf_leave; \ | | | | ------------------ | | | | | Branch (387:13): [True: 0, False: 0] | | | | ------------------ | | | | 388| 0| have--; \ | | | | 389| 0| hold += ((uint64_t)(*next++) << bits); \ | | | | 390| 0| bits += 8; \ | | | | 391| 0| } while (0) | | | | ------------------ | | | | | Branch (391:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 110| 0| } while (0) | | ------------------ | | | Branch (110:14): [Folded, False: 0] | | ------------------ ------------------ 1144| 0| if ((state->wrap & 4) && hold != (state->total & 0xffffffff)) { ------------------ | Branch (1144:21): [True: 0, False: 0] | Branch (1144:42): [True: 0, False: 0] ------------------ 1145| 0| SET_BAD("incorrect length check"); ------------------ | | 132| 0| do { \ | | 133| 0| state->mode = BAD; \ | | 134| 0| strm->msg = (char *)errmsg; \ | | 135| 0| } while (0) | | ------------------ | | | Branch (135:14): [Folded, False: 0] | | ------------------ ------------------ 1146| 0| break; 1147| 0| } 1148| 0| INITBITS(); ------------------ | | 99| 0| do { \ | | 100| 0| hold = 0; \ | | 101| 0| bits = 0; \ | | 102| 0| } while (0) | | ------------------ | | | Branch (102:14): [Folded, False: 0] | | ------------------ ------------------ 1149| 0| Tracev((stderr, "inflate: length matches trailer\n")); 1150| 0| } 1151| 0|#endif 1152| 0| state->mode = DONE; 1153| 0| Z_FALLTHROUGH; ------------------ | | 45| 0|# define Z_FALLTHROUGH __attribute__((__fallthrough__)) ------------------ 1154| | 1155| 0| case DONE: ------------------ | Branch (1155:9): [True: 0, False: 84.4k] ------------------ 1156| | /* inflate stream terminated properly */ 1157| 0| ret = Z_STREAM_END; ------------------ | | 181| 0|#define Z_STREAM_END 1 ------------------ 1158| 0| goto inf_leave; 1159| | 1160| 183| case BAD: ------------------ | Branch (1160:9): [True: 183, False: 84.2k] ------------------ 1161| 183| ret = Z_DATA_ERROR; ------------------ | | 185| 183|#define Z_DATA_ERROR (-3) ------------------ 1162| 183| goto inf_leave; 1163| | 1164| 0| case SYNC: ------------------ | Branch (1164:9): [True: 0, False: 84.4k] ------------------ 1165| | 1166| 0| default: /* can't happen, but makes compilers happy */ ------------------ | Branch (1166:9): [True: 0, False: 84.4k] ------------------ 1167| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 1168| 84.4k| } 1169| | 1170| | /* 1171| | Return from inflate(), updating the total counts and the check value. 1172| | If there was no progress during the inflate() call, return a buffer 1173| | error. Call updatewindow() to create and/or update the window state. 1174| | */ 1175| 607| inf_leave: 1176| 607| RESTORE(); ------------------ | | 88| 607| do { \ | | 89| 607| strm->next_out = put; \ | | 90| 607| strm->avail_out = left; \ | | 91| 607| strm->next_in = (z_const unsigned char *)next; \ | | 92| 607| strm->avail_in = have; \ | | 93| 607| state->hold = hold; \ | | 94| 607| state->bits = bits; \ | | 95| 607| } while (0) | | ------------------ | | | Branch (95:14): [Folded, False: 607] | | ------------------ ------------------ 1177| 607| uint32_t check_bytes = out - strm->avail_out; 1178| 607| if (INFLATE_NEED_UPDATEWINDOW(strm) && ------------------ | | 33| 1.21k|# define INFLATE_NEED_UPDATEWINDOW(strm) 1 | | ------------------ | | | Branch (33:43): [True: 607, Folded] | | ------------------ ------------------ 1179| 607| (state->wsize || (out != strm->avail_out && state->mode < BAD && ------------------ | Branch (1179:14): [True: 212, False: 395] | Branch (1179:31): [True: 313, False: 82] | Branch (1179:57): [True: 212, False: 101] ------------------ 1180| 424| (state->mode < CHECK || flush != Z_FINISH)))) { ------------------ | | 175| 0|#define Z_FINISH 4 ------------------ | Branch (1180:19): [True: 212, False: 0] | Branch (1180:42): [True: 0, False: 0] ------------------ 1181| | /* update sliding window with respective checksum if not in "raw" mode */ 1182| 424| updatewindow(strm, strm->next_out, check_bytes, state->wrap & 4); 1183| 424| } 1184| 607| in -= strm->avail_in; 1185| 607| out -= strm->avail_out; 1186| 607| strm->total_in += in; 1187| 607| strm->total_out += out; 1188| 607| state->total += out; 1189| | 1190| 607| strm->data_type = (int)state->bits + (state->last ? 64 : 0) + ------------------ | Branch (1190:43): [True: 91, False: 516] ------------------ 1191| 607| (state->mode == TYPE ? 128 : 0) + (state->mode == LEN_ || state->mode == COPY_ ? 256 : 0); ------------------ | Branch (1191:24): [True: 0, False: 607] | Branch (1191:58): [True: 0, False: 607] | Branch (1191:81): [True: 0, False: 607] ------------------ 1192| 607| if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) { ------------------ | | 175| 395|#define Z_FINISH 4 ------------------ if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) { ------------------ | | 180| 212|#define Z_OK 0 ------------------ | Branch (1192:11): [True: 212, False: 395] | Branch (1192:22): [True: 212, False: 0] | Branch (1192:35): [True: 0, False: 395] | Branch (1192:57): [True: 212, False: 0] ------------------ 1193| | /* when no sliding window is used, hash the output bytes if no CHECK state */ 1194| 212| if (INFLATE_NEED_CHECKSUM(strm) && !state->wsize && flush == Z_FINISH) { ------------------ | | 31| 424|# define INFLATE_NEED_CHECKSUM(strm) 1 | | ------------------ | | | Branch (31:39): [True: 212, Folded] | | ------------------ ------------------ if (INFLATE_NEED_CHECKSUM(strm) && !state->wsize && flush == Z_FINISH) { ------------------ | | 175| 0|#define Z_FINISH 4 ------------------ | Branch (1194:44): [True: 0, False: 212] | Branch (1194:61): [True: 0, False: 0] ------------------ 1195| 0| inf_chksum(strm, put - check_bytes, check_bytes); 1196| 0| } 1197| 212| ret = Z_BUF_ERROR; ------------------ | | 187| 212|#define Z_BUF_ERROR (-5) ------------------ 1198| 212| } 1199| 607| return ret; 1200| 607|} zng_inflateEnd: 1202| 395|int32_t Z_EXPORT PREFIX(inflateEnd)(PREFIX3(stream) *strm) { 1203| 395| if (inflateStateCheck(strm)) ------------------ | Branch (1203:9): [True: 0, False: 395] ------------------ 1204| 0| return Z_STREAM_ERROR; ------------------ | | 184| 0|#define Z_STREAM_ERROR (-2) ------------------ 1205| | 1206| | /* Free allocated buffers */ 1207| 395| free_inflate(strm); 1208| | 1209| 395| Tracev((stderr, "inflate: end\n")); 1210| 395| return Z_OK; ------------------ | | 180| 395|#define Z_OK 0 ------------------ 1211| 395|} inflate.c:inflateStateCheck: 51| 2.18k|static int inflateStateCheck(PREFIX3(stream) *strm) { 52| 2.18k| struct inflate_state *state; 53| 2.18k| if (strm == NULL || strm->zalloc == NULL || strm->zfree == NULL) ------------------ | Branch (53:9): [True: 0, False: 2.18k] | Branch (53:25): [True: 0, False: 2.18k] | Branch (53:49): [True: 0, False: 2.18k] ------------------ 54| 0| return 1; 55| 2.18k| state = (struct inflate_state *)strm->state; 56| 2.18k| if (state == NULL || state->alloc_bufs == NULL || state->strm != strm || state->mode < HEAD || state->mode > SYNC) ------------------ | Branch (56:9): [True: 0, False: 2.18k] | Branch (56:26): [True: 0, False: 2.18k] | Branch (56:55): [True: 0, False: 2.18k] | Branch (56:78): [True: 0, False: 2.18k] | Branch (56:100): [True: 0, False: 2.18k] ------------------ 57| 0| return 1; 58| 2.18k| return 0; 59| 2.18k|} inflate.c:inf_chksum: 39| 90|static inline void inf_chksum(PREFIX3(stream) *strm, const uint8_t *src, uint32_t len) { 40| 90| struct inflate_state *state = (struct inflate_state*)strm->state; 41| 90|#ifdef GUNZIP 42| 90| if (state->flags) { ------------------ | Branch (42:9): [True: 0, False: 90] ------------------ 43| 0| FUNCTABLE_CALL(crc32_fold)(&state->crc_fold, src, len, 0); ------------------ | | 49| 0|# define FUNCTABLE_CALL(name) functable.name ------------------ 44| 0| } else 45| 90|#endif 46| 90| { 47| 90| strm->adler = state->check = FUNCTABLE_CALL(adler32)(state->check, src, len); ------------------ | | 49| 90|# define FUNCTABLE_CALL(name) functable.name ------------------ 48| 90| } 49| 90|} inflate.c:updatewindow: 324| 424|static void updatewindow(PREFIX3(stream) *strm, const uint8_t *end, uint32_t len, int32_t cksum) { 325| 424| struct inflate_state *state; 326| 424| uint32_t dist; 327| | 328| 424| state = (struct inflate_state *)strm->state; 329| | 330| | /* if window not in use yet, initialize */ 331| 424| if (state->wsize == 0) ------------------ | Branch (331:9): [True: 212, False: 212] ------------------ 332| 212| state->wsize = 1U << state->wbits; 333| | 334| | /* len state->wsize or less output bytes into the circular window */ 335| 424| if (len >= state->wsize) { ------------------ | Branch (335:9): [True: 41, False: 383] ------------------ 336| | /* Only do this if the caller specifies to checksum bytes AND the platform requires 337| | * it (s/390 being the primary exception to this) */ 338| 41| if (INFLATE_NEED_CHECKSUM(strm) && cksum) { ------------------ | | 31| 82|# define INFLATE_NEED_CHECKSUM(strm) 1 | | ------------------ | | | Branch (31:39): [True: 41, Folded] | | ------------------ ------------------ | Branch (338:44): [True: 41, False: 0] ------------------ 339| | /* We have to split the checksum over non-copied and copied bytes */ 340| 41| if (len > state->wsize) ------------------ | Branch (340:17): [True: 40, False: 1] ------------------ 341| 40| inf_chksum(strm, end - len, len - state->wsize); 342| 41| inf_chksum_cpy(strm, state->window, end - state->wsize, state->wsize); 343| 41| } else { 344| 0| memcpy(state->window, end - state->wsize, state->wsize); 345| 0| } 346| | 347| 41| state->wnext = 0; 348| 41| state->whave = state->wsize; 349| 383| } else { 350| 383| dist = state->wsize - state->wnext; 351| | /* Only do this if the caller specifies to checksum bytes AND the platform requires 352| | * We need to maintain the correct order here for the checksum */ 353| 383| dist = MIN(dist, len); ------------------ | | 124| 383|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 383, False: 0] | | ------------------ ------------------ 354| 383| if (INFLATE_NEED_CHECKSUM(strm) && cksum) { ------------------ | | 31| 766|# define INFLATE_NEED_CHECKSUM(strm) 1 | | ------------------ | | | Branch (31:39): [True: 383, Folded] | | ------------------ ------------------ | Branch (354:44): [True: 383, False: 0] ------------------ 355| 383| inf_chksum_cpy(strm, state->window + state->wnext, end - len, dist); 356| 383| } else { 357| 0| memcpy(state->window + state->wnext, end - len, dist); 358| 0| } 359| 383| len -= dist; 360| 383| if (len) { ------------------ | Branch (360:13): [True: 0, False: 383] ------------------ 361| 0| if (INFLATE_NEED_CHECKSUM(strm) && cksum) { ------------------ | | 31| 0|# define INFLATE_NEED_CHECKSUM(strm) 1 | | ------------------ | | | Branch (31:39): [True: 0, Folded] | | ------------------ ------------------ | Branch (361:48): [True: 0, False: 0] ------------------ 362| 0| inf_chksum_cpy(strm, state->window, end - len, len); 363| 0| } else { 364| 0| memcpy(state->window, end - len, len); 365| 0| } 366| | 367| 0| state->wnext = len; 368| 0| state->whave = state->wsize; 369| 383| } else { 370| 383| state->wnext += dist; 371| 383| if (state->wnext == state->wsize) ------------------ | Branch (371:17): [True: 0, False: 383] ------------------ 372| 0| state->wnext = 0; 373| 383| if (state->whave < state->wsize) ------------------ | Branch (373:17): [True: 342, False: 41] ------------------ 374| 342| state->whave += dist; 375| 383| } 376| 383| } 377| 424|} inflate.c:inf_chksum_cpy: 26| 424| const uint8_t *src, uint32_t copy) { 27| 424| if (!copy) return; ------------------ | Branch (27:9): [True: 212, False: 212] ------------------ 28| 212| struct inflate_state *state = (struct inflate_state*)strm->state; 29| 212|#ifdef GUNZIP 30| 212| if (state->flags) { ------------------ | Branch (30:9): [True: 0, False: 212] ------------------ 31| 0| FUNCTABLE_CALL(crc32_fold_copy)(&state->crc_fold, dst, src, copy); ------------------ | | 49| 0|# define FUNCTABLE_CALL(name) functable.name ------------------ 32| 0| } else 33| 212|#endif 34| 212| { 35| 212| strm->adler = state->check = FUNCTABLE_CALL(adler32_fold_copy)(state->check, dst, src, copy); ------------------ | | 49| 212|# define FUNCTABLE_CALL(name) functable.name ------------------ 36| 212| } 37| 212|} chunkset_avx2.c:load_64_bits: 141| 2.38M|static inline uint64_t load_64_bits(const unsigned char *in, unsigned bits) { 142| 2.38M| uint64_t chunk = zng_memread_8(in); 143| | 144| 2.38M|#if BYTE_ORDER == LITTLE_ENDIAN 145| 2.38M| return chunk << bits; 146| |#else 147| | return ZSWAP64(chunk) << bits; 148| |#endif 149| 2.38M|} zng_inflate_table: 31| 21.5k| code * *table, unsigned *bits, uint16_t *work) { 32| 21.5k| unsigned len; /* a code's length in bits */ 33| 21.5k| unsigned sym; /* index of code symbols */ 34| 21.5k| unsigned min, max; /* minimum and maximum code lengths */ 35| 21.5k| unsigned root; /* number of index bits for root table */ 36| 21.5k| unsigned curr; /* number of index bits for current table */ 37| 21.5k| unsigned drop; /* code bits to drop for sub-table */ 38| 21.5k| int left; /* number of prefix codes available */ 39| 21.5k| unsigned used; /* code entries in table used */ 40| 21.5k| unsigned huff; /* Huffman code */ 41| 21.5k| unsigned incr; /* for incrementing code, index */ 42| 21.5k| unsigned fill; /* index for replicating entries */ 43| 21.5k| unsigned low; /* low bits for current root entry */ 44| 21.5k| unsigned mask; /* mask for low root bits */ 45| 21.5k| code here; /* table entry for duplication */ 46| 21.5k| code *next; /* next available space in table */ 47| 21.5k| const uint16_t *base; /* base value table to use */ 48| 21.5k| const uint16_t *extra; /* extra bits table to use */ 49| 21.5k| unsigned match; /* use base and extra for symbol >= match */ 50| 21.5k| uint16_t count[MAX_BITS+1]; /* number of codes of each length */ 51| 21.5k| uint16_t offs[MAX_BITS+1]; /* offsets in table for each length */ 52| 21.5k| static const uint16_t lbase[31] = { /* Length codes 257..285 base */ 53| 21.5k| 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 54| 21.5k| 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; 55| 21.5k| static const uint16_t lext[31] = { /* Length codes 257..285 extra */ 56| 21.5k| 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 57| 21.5k| 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 203, 77}; 58| 21.5k| static const uint16_t dbase[32] = { /* Distance codes 0..29 base */ 59| 21.5k| 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 60| 21.5k| 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 61| 21.5k| 8193, 12289, 16385, 24577, 0, 0}; 62| 21.5k| static const uint16_t dext[32] = { /* Distance codes 0..29 extra */ 63| 21.5k| 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 64| 21.5k| 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 65| 21.5k| 28, 28, 29, 29, 64, 64}; 66| | 67| | /* 68| | Process a set of code lengths to create a canonical Huffman code. The 69| | code lengths are lens[0..codes-1]. Each length corresponds to the 70| | symbols 0..codes-1. The Huffman code is generated by first sorting the 71| | symbols by length from short to long, and retaining the symbol order 72| | for codes with equal lengths. Then the code starts with all zero bits 73| | for the first code of the shortest length, and the codes are integer 74| | increments for the same length, and zeros are appended as the length 75| | increases. For the deflate format, these bits are stored backwards 76| | from their more natural integer increment ordering, and so when the 77| | decoding tables are built in the large loop below, the integer codes 78| | are incremented backwards. 79| | 80| | This routine assumes, but does not check, that all of the entries in 81| | lens[] are in the range 0..MAXBITS. The caller must assure this. 82| | 1..MAXBITS is interpreted as that code length. zero means that that 83| | symbol does not occur in this code. 84| | 85| | The codes are sorted by computing a count of codes for each length, 86| | creating from that a table of starting indices for each length in the 87| | sorted table, and then entering the symbols in order in the sorted 88| | table. The sorted table is work[], with that space being provided by 89| | the caller. 90| | 91| | The length counts are used for other purposes as well, i.e. finding 92| | the minimum and maximum length codes, determining if there are any 93| | codes at all, checking for a valid set of lengths, and looking ahead 94| | at length counts to determine sub-table sizes when building the 95| | decoding tables. 96| | */ 97| | 98| | /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ 99| 366k| for (len = 0; len <= MAX_BITS; len++) ------------------ | | 39| 366k|#define MAX_BITS 15 ------------------ | Branch (99:19): [True: 345k, False: 21.5k] ------------------ 100| 345k| count[len] = 0; 101| 2.25M| for (sym = 0; sym < codes; sym++) ------------------ | Branch (101:19): [True: 2.23M, False: 21.5k] ------------------ 102| 2.23M| count[lens[sym]]++; 103| | 104| | /* bound code lengths, force root to be within code lengths */ 105| 21.5k| root = *bits; 106| 175k| for (max = MAX_BITS; max >= 1; max--) ------------------ | | 39| 21.5k|#define MAX_BITS 15 ------------------ | Branch (106:26): [True: 174k, False: 1.35k] ------------------ 107| 174k| if (count[max] != 0) break; ------------------ | Branch (107:13): [True: 20.2k, False: 153k] ------------------ 108| 21.5k| root = MIN(root, max); ------------------ | | 124| 21.5k|#define MIN(a, b) ((a) > (b) ? (b) : (a)) | | ------------------ | | | Branch (124:20): [True: 6.27k, False: 15.3k] | | ------------------ ------------------ 109| 21.5k| if (UNLIKELY(max == 0)) { /* no symbols to code at all */ ------------------ | | 214| 21.5k|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 1.35k, False: 20.2k] | | ------------------ ------------------ 110| 1.35k| here.op = (unsigned char)64; /* invalid code marker */ 111| 1.35k| here.bits = (unsigned char)1; 112| 1.35k| here.val = (uint16_t)0; 113| 1.35k| *(*table)++ = here; /* make a table to force an error */ 114| 1.35k| *(*table)++ = here; 115| 1.35k| *bits = 1; 116| 1.35k| return 0; /* no symbols, but wait for decoding to report error */ 117| 1.35k| } 118| 36.5k| for (min = 1; min < max; min++) ------------------ | Branch (118:19): [True: 33.0k, False: 3.51k] ------------------ 119| 33.0k| if (count[min] != 0) break; ------------------ | Branch (119:13): [True: 16.7k, False: 16.3k] ------------------ 120| 20.2k| root = MAX(root, min); ------------------ | | 126| 20.2k|#define MAX(a, b) ((a) < (b) ? (b) : (a)) | | ------------------ | | | Branch (126:20): [True: 3, False: 20.2k] | | ------------------ ------------------ 121| | 122| | /* check for an over-subscribed or incomplete set of lengths */ 123| 20.2k| left = 1; 124| 323k| for (len = 1; len <= MAX_BITS; len++) { ------------------ | | 39| 323k|#define MAX_BITS 15 ------------------ | Branch (124:19): [True: 303k, False: 20.2k] ------------------ 125| 303k| left <<= 1; 126| 303k| left -= count[len]; 127| 303k| if (left < 0) return -1; /* over-subscribed */ ------------------ | Branch (127:13): [True: 12, False: 303k] ------------------ 128| 303k| } 129| 20.2k| if (left > 0 && (type == CODES || max != 1)) ------------------ | Branch (129:9): [True: 3.26k, False: 16.9k] | Branch (129:22): [True: 2, False: 3.26k] | Branch (129:39): [True: 17, False: 3.24k] ------------------ 130| 19| return -1; /* incomplete set */ 131| | 132| | /* generate offsets into symbol table for each length for sorting */ 133| 20.1k| offs[1] = 0; 134| 302k| for (len = 1; len < MAX_BITS; len++) ------------------ | | 39| 302k|#define MAX_BITS 15 ------------------ | Branch (134:19): [True: 282k, False: 20.1k] ------------------ 135| 282k| offs[len + 1] = offs[len] + count[len]; 136| | 137| | /* sort symbols by length, by symbol order within each length */ 138| 2.22M| for (sym = 0; sym < codes; sym++) ------------------ | Branch (138:19): [True: 2.20M, False: 20.1k] ------------------ 139| 2.20M| if (lens[sym] != 0) work[offs[lens[sym]]++] = (uint16_t)sym; ------------------ | Branch (139:13): [True: 1.08M, False: 1.11M] ------------------ 140| | 141| | /* 142| | Create and fill in decoding tables. In this loop, the table being 143| | filled is at next and has curr index bits. The code being used is huff 144| | with length len. That code is converted to an index by dropping drop 145| | bits off of the bottom. For codes where len is less than drop + curr, 146| | those top drop + curr - len bits are incremented through all values to 147| | fill the table with replicated entries. 148| | 149| | root is the number of index bits for the root table. When len exceeds 150| | root, sub-tables are created pointed to by the root entry with an index 151| | of the low root bits of huff. This is saved in low to check for when a 152| | new sub-table should be started. drop is zero when the root table is 153| | being filled, and drop is root when sub-tables are being filled. 154| | 155| | When a new sub-table is needed, it is necessary to look ahead in the 156| | code lengths to determine what size sub-table is needed. The length 157| | counts are used for this, and so count[] is decremented as codes are 158| | entered in the tables. 159| | 160| | used keeps track of how many table entries have been allocated from the 161| | provided *table space. It is checked for LENS and DIST tables against 162| | the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in 163| | the initial root table size constants. See the comments in inftrees.h 164| | for more information. 165| | 166| | sym increments through all symbols, and the loop terminates when 167| | all codes of length max, i.e. all codes, have been processed. This 168| | routine permits incomplete codes, so another loop after this one fills 169| | in the rest of the decoding tables with invalid code markers. 170| | */ 171| | 172| | /* set up for code type */ 173| 20.1k| switch (type) { 174| 7.20k| case CODES: ------------------ | Branch (174:5): [True: 7.20k, False: 12.9k] ------------------ 175| 7.20k| base = extra = work; /* dummy value--not used */ 176| 7.20k| match = 20; 177| 7.20k| break; 178| 7.17k| case LENS: ------------------ | Branch (178:5): [True: 7.17k, False: 13.0k] ------------------ 179| 7.17k| base = lbase; 180| 7.17k| extra = lext; 181| 7.17k| match = 257; 182| 7.17k| break; 183| 5.81k| default: /* DISTS */ ------------------ | Branch (183:5): [True: 5.81k, False: 14.3k] ------------------ 184| 5.81k| base = dbase; 185| 5.81k| extra = dext; 186| 5.81k| match = 0; 187| 20.1k| } 188| | 189| | /* initialize state for loop */ 190| 20.1k| huff = 0; /* starting code */ 191| 20.1k| sym = 0; /* starting code symbol */ 192| 20.1k| len = min; /* starting code length */ 193| 20.1k| next = *table; /* current table to fill in */ 194| 20.1k| curr = root; /* current table index bits */ 195| 20.1k| drop = 0; /* current bits to drop from code for index */ 196| 20.1k| low = (unsigned)(-1); /* trigger new sub-table when len > root */ 197| 20.1k| used = 1U << root; /* use root table entries */ 198| 20.1k| mask = used - 1; /* mask for comparing low */ 199| | 200| | /* check available table space */ 201| 20.1k| if ((type == LENS && used > ENOUGH_LENS) || ------------------ | | 52| 7.17k|#define ENOUGH_LENS 1332 ------------------ | Branch (201:10): [True: 7.17k, False: 13.0k] | Branch (201:26): [True: 0, False: 7.17k] ------------------ 202| 20.1k| (type == DISTS && used > ENOUGH_DISTS)) ------------------ | | 53| 5.81k|#define ENOUGH_DISTS 592 ------------------ | Branch (202:10): [True: 5.81k, False: 14.3k] | Branch (202:27): [True: 0, False: 5.81k] ------------------ 203| 0| return 1; 204| | 205| | /* process all codes and make table entries */ 206| 1.08M| for (;;) { 207| | /* create table entry */ 208| 1.08M| here.bits = (unsigned char)(len - drop); 209| 1.08M| if (LIKELY(work[sym] >= match)) { ------------------ | | 213| 1.08M|# define LIKELY(x) __builtin_expect(!!(x), 1) | | ------------------ | | | Branch (213:33): [True: 101k, False: 987k] | | ------------------ ------------------ 210| 101k| here.op = (unsigned char)(extra[work[sym] - match]); 211| 101k| here.val = base[work[sym] - match]; 212| 987k| } else if (work[sym] + 1U < match) { ------------------ | Branch (212:20): [True: 980k, False: 7.17k] ------------------ 213| 980k| here.op = (unsigned char)0; 214| 980k| here.val = work[sym]; 215| 980k| } else { 216| 7.17k| here.op = (unsigned char)(32 + 64); /* end of block */ 217| 7.17k| here.val = 0; 218| 7.17k| } 219| | 220| | /* replicate for those indices with low len bits equal to huff */ 221| 1.08M| incr = 1U << (len - drop); 222| 1.08M| fill = 1U << curr; 223| 1.08M| min = fill; /* save offset to next table */ 224| 9.39M| do { 225| 9.39M| fill -= incr; 226| 9.39M| next[(huff >> drop) + fill] = here; 227| 9.39M| } while (fill != 0); ------------------ | Branch (227:18): [True: 8.30M, False: 1.08M] ------------------ 228| | 229| | /* backwards increment the len-bit code huff */ 230| 1.08M| incr = 1U << (len - 1); 231| 2.15M| while (huff & incr) ------------------ | Branch (231:16): [True: 1.06M, False: 1.08M] ------------------ 232| 1.06M| incr >>= 1; 233| 1.08M| if (incr != 0) { ------------------ | Branch (233:13): [True: 1.07M, False: 16.9k] ------------------ 234| 1.07M| huff &= incr - 1; 235| 1.07M| huff += incr; 236| 1.07M| } else { 237| 16.9k| huff = 0; 238| 16.9k| } 239| | 240| | /* go to next symbol, update count, len */ 241| 1.08M| sym++; 242| 1.08M| if (--(count[len]) == 0) { ------------------ | Branch (242:13): [True: 110k, False: 978k] ------------------ 243| 110k| if (len == max) ------------------ | Branch (243:17): [True: 20.1k, False: 90.3k] ------------------ 244| 20.1k| break; 245| 90.3k| len = lens[work[sym]]; 246| 90.3k| } 247| | 248| | /* create new sub-table if needed */ 249| 1.06M| if (len > root && (huff & mask) != low) { ------------------ | Branch (249:13): [True: 96.4k, False: 972k] | Branch (249:27): [True: 37.6k, False: 58.8k] ------------------ 250| | /* if first time, transition to sub-tables */ 251| 37.6k| if (drop == 0) ------------------ | Branch (251:17): [True: 8.14k, False: 29.4k] ------------------ 252| 8.14k| drop = root; 253| | 254| | /* increment past last table */ 255| 37.6k| next += min; /* here min is 1 << curr */ 256| | 257| | /* determine length of next table */ 258| 37.6k| curr = len - drop; 259| 37.6k| left = (int)(1 << curr); 260| 51.7k| while (curr + drop < max) { ------------------ | Branch (260:20): [True: 43.6k, False: 8.14k] ------------------ 261| 43.6k| left -= count[curr + drop]; 262| 43.6k| if (left <= 0) ------------------ | Branch (262:21): [True: 29.4k, False: 14.1k] ------------------ 263| 29.4k| break; 264| 14.1k| curr++; 265| 14.1k| left <<= 1; 266| 14.1k| } 267| | 268| | /* check for enough space */ 269| 37.6k| used += 1U << curr; 270| 37.6k| if ((type == LENS && used > ENOUGH_LENS) || (type == DISTS && used > ENOUGH_DISTS)) ------------------ | | 52| 20.8k|#define ENOUGH_LENS 1332 ------------------ if ((type == LENS && used > ENOUGH_LENS) || (type == DISTS && used > ENOUGH_DISTS)) ------------------ | | 53| 16.7k|#define ENOUGH_DISTS 592 ------------------ | Branch (270:18): [True: 20.8k, False: 16.7k] | Branch (270:34): [True: 0, False: 20.8k] | Branch (270:58): [True: 16.7k, False: 20.8k] | Branch (270:75): [True: 0, False: 16.7k] ------------------ 271| 0| return 1; 272| | 273| | /* point entry in root table to sub-table */ 274| 37.6k| low = huff & mask; 275| 37.6k| (*table)[low].op = (unsigned char)curr; 276| 37.6k| (*table)[low].bits = (unsigned char)root; 277| 37.6k| (*table)[low].val = (uint16_t)(next - *table); 278| 37.6k| } 279| 1.06M| } 280| | 281| | /* fill in remaining table entry if code is incomplete (guaranteed to have 282| | at most one remaining entry, since if the code is incomplete, the 283| | maximum code length that was allowed to get this far is one bit) */ 284| 20.1k| if (UNLIKELY(huff != 0)) { ------------------ | | 214| 20.1k|# define UNLIKELY(x) __builtin_expect(!!(x), 0) | | ------------------ | | | Branch (214:33): [True: 3.24k, False: 16.9k] | | ------------------ ------------------ 285| 3.24k| here.op = (unsigned char)64; /* invalid code marker */ 286| 3.24k| here.bits = (unsigned char)(len - drop); 287| 3.24k| here.val = (uint16_t)0; 288| 3.24k| next[huff] = here; 289| 3.24k| } 290| | 291| | /* set return parameters */ 292| 20.1k| *table += used; 293| 20.1k| *bits = root; 294| 20.1k| return 0; 295| 20.1k|} zng_uncompress2: 25| 395|z_int32_t Z_EXPORT PREFIX(uncompress2)(unsigned char *dest, z_uintmax_t *destLen, const unsigned char *source, z_uintmax_t *sourceLen) { 26| 395| PREFIX3(stream) stream; ------------------ | | 99| 395|# define PREFIX3(x) zng_ ## x ------------------ 27| 395| int err; 28| 395| const unsigned int max = (unsigned int)-1; 29| 395| z_uintmax_t len, left; ------------------ | | 109| 395|# define z_uintmax_t size_t ------------------ 30| 395| unsigned char buf[1]; /* for detection of incomplete stream when *destLen == 0 */ 31| | 32| 395| len = *sourceLen; 33| 395| if (*destLen) { ------------------ | Branch (33:9): [True: 395, False: 0] ------------------ 34| 395| left = *destLen; 35| 395| *destLen = 0; 36| 395| } else { 37| 0| left = 1; 38| 0| dest = buf; 39| 0| } 40| | 41| 395| stream.next_in = (z_const unsigned char *)source; 42| 395| stream.avail_in = 0; 43| 395| stream.zalloc = NULL; 44| 395| stream.zfree = NULL; 45| 395| stream.opaque = NULL; 46| | 47| 395| err = PREFIX(inflateInit)(&stream); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 48| 395| if (err != Z_OK) return err; ------------------ | | 180| 395|#define Z_OK 0 ------------------ | Branch (48:9): [True: 0, False: 395] ------------------ 49| | 50| 395| stream.next_out = dest; 51| 395| stream.avail_out = 0; 52| | 53| 607| do { 54| 607| if (stream.avail_out == 0) { ------------------ | Branch (54:13): [True: 544, False: 63] ------------------ 55| 544| stream.avail_out = left > (unsigned long)max ? max : (unsigned int)left; ------------------ | Branch (55:32): [True: 0, False: 544] ------------------ 56| 544| left -= stream.avail_out; 57| 544| } 58| 607| if (stream.avail_in == 0) { ------------------ | Branch (58:13): [True: 459, False: 148] ------------------ 59| 459| stream.avail_in = len > (unsigned long)max ? max : (unsigned int)len; ------------------ | Branch (59:31): [True: 0, False: 459] ------------------ 60| 459| len -= stream.avail_in; 61| 459| } 62| 607| err = PREFIX(inflate)(&stream, Z_NO_FLUSH); ------------------ | | 97| 607|# define PREFIX(x) zng_ ## x ------------------ err = PREFIX(inflate)(&stream, Z_NO_FLUSH); ------------------ | | 171| 607|#define Z_NO_FLUSH 0 ------------------ 63| 607| } while (err == Z_OK); ------------------ | | 180| 607|#define Z_OK 0 ------------------ | Branch (63:14): [True: 212, False: 395] ------------------ 64| | 65| 395| *sourceLen -= len + stream.avail_in; 66| 395| if (dest != buf) ------------------ | Branch (66:9): [True: 395, False: 0] ------------------ 67| 395| *destLen = (z_size_t)stream.total_out; 68| 0| else if (stream.total_out && err == Z_BUF_ERROR) ------------------ | | 187| 0|#define Z_BUF_ERROR (-5) ------------------ | Branch (68:14): [True: 0, False: 0] | Branch (68:34): [True: 0, False: 0] ------------------ 69| 0| left = 1; 70| | 71| 395| PREFIX(inflateEnd)(&stream); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 72| 395| return err == Z_STREAM_END ? Z_OK : ------------------ | | 181| 395|#define Z_STREAM_END 1 ------------------ return err == Z_STREAM_END ? Z_OK : ------------------ | | 180| 0|#define Z_OK 0 ------------------ | Branch (72:12): [True: 0, False: 395] ------------------ 73| 395| err == Z_NEED_DICT ? Z_DATA_ERROR : ------------------ | | 182| 395|#define Z_NEED_DICT 2 ------------------ err == Z_NEED_DICT ? Z_DATA_ERROR : ------------------ | | 185| 0|#define Z_DATA_ERROR (-3) ------------------ | Branch (73:12): [True: 0, False: 395] ------------------ 74| 395| err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR : ------------------ | | 187| 790|#define Z_BUF_ERROR (-5) ------------------ err == Z_BUF_ERROR && left + stream.avail_out ? Z_DATA_ERROR : ------------------ | | 185| 63|#define Z_DATA_ERROR (-3) ------------------ | Branch (74:12): [True: 212, False: 183] | Branch (74:34): [True: 63, False: 149] ------------------ 75| 395| err; 76| 395|} zng_uncompress: 78| 395|z_int32_t Z_EXPORT PREFIX(uncompress)(unsigned char *dest, z_uintmax_t *destLen, const unsigned char *source, z_uintmax_t sourceLen) { 79| 395| return PREFIX(uncompress2)(dest, destLen, source, &sourceLen); ------------------ | | 97| 395|# define PREFIX(x) zng_ ## x ------------------ 80| 395|} chunkset_avx2.c:zng_memread_2: 12| 8.06k|static inline uint16_t zng_memread_2(const void *ptr) { 13| 8.06k|#if defined(HAVE_MAY_ALIAS) 14| 8.06k| typedef struct { uint16_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint16_t; 15| 8.06k| return ((const unaligned_uint16_t *)ptr)->val; 16| |#else 17| | uint16_t val; 18| | memcpy(&val, ptr, sizeof(val)); 19| | return val; 20| |#endif 21| 8.06k|} chunkset_avx2.c:zng_memread_4: 23| 20.4k|static inline uint32_t zng_memread_4(const void *ptr) { 24| 20.4k|#if defined(HAVE_MAY_ALIAS) 25| 20.4k| typedef struct { uint32_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint32_t; 26| 20.4k| return ((const unaligned_uint32_t *)ptr)->val; 27| |#else 28| | uint32_t val; 29| | memcpy(&val, ptr, sizeof(val)); 30| | return val; 31| |#endif 32| 20.4k|} chunkset_avx2.c:zng_memread_8: 34| 2.38M|static inline uint64_t zng_memread_8(const void *ptr) { 35| 2.38M|#if defined(HAVE_MAY_ALIAS) 36| 2.38M| typedef struct { uint64_t val; } __attribute__ ((__packed__, __may_alias__)) unaligned_uint64_t; 37| 2.38M| return ((const unaligned_uint64_t *)ptr)->val; 38| |#else 39| | uint64_t val; 40| | memcpy(&val, ptr, sizeof(val)); 41| | return val; 42| |#endif 43| 2.38M|} zng_zcalloc: 105| 395|void Z_INTERNAL *PREFIX(zcalloc)(void *opaque, unsigned items, unsigned size) { 106| 395| Z_UNUSED(opaque); ------------------ | | 128| 395|#define Z_UNUSED(var) (void)(var) ------------------ 107| 395| return zng_alloc((size_t)items * (size_t)size); 108| 395|} zng_zcfree: 110| 395|void Z_INTERNAL PREFIX(zcfree)(void *opaque, void *ptr) { 111| 395| Z_UNUSED(opaque); ------------------ | | 128| 395|#define Z_UNUSED(var) (void)(var) ------------------ 112| 395| zng_free(ptr); 113| 395|} zutil.c:zng_alloc: 12| 395|static inline void *zng_alloc(size_t size) { 13| 395| return (void *)malloc(size); 14| 395|} zutil.c:zng_free: 16| 395|static inline void zng_free(void *ptr) { 17| 395| free(ptr); 18| 395|} zstd_ddict.c:ZSTD_customMalloc: 27| 1.57k|{ 28| 1.57k| if (customMem.customAlloc) ------------------ | Branch (28:9): [True: 0, False: 1.57k] ------------------ 29| 0| return customMem.customAlloc(customMem.opaque, size); 30| 1.57k| return ZSTD_malloc(size); ------------------ | | 66| 1.57k|#define ZSTD_malloc(s) malloc(s) ------------------ 31| 1.57k|} zstd_ddict.c:ZSTD_customFree: 46| 1.57k|{ 47| 1.57k| if (ptr!=NULL) { ------------------ | Branch (47:9): [True: 1.57k, False: 0] ------------------ 48| 1.57k| if (customMem.customFree) ------------------ | Branch (48:13): [True: 0, False: 1.57k] ------------------ 49| 0| customMem.customFree(customMem.opaque, ptr); 50| 1.57k| else 51| 1.57k| ZSTD_free(ptr); ------------------ | | 68| 1.57k|#define ZSTD_free(p) free((p)) ------------------ 52| 1.57k| } 53| 1.57k|} zstd_decompress.c:ZSTD_customFree: 46| 3.74k|{ 47| 3.74k| if (ptr!=NULL) { ------------------ | Branch (47:9): [True: 1.87k, False: 1.87k] ------------------ 48| 1.87k| if (customMem.customFree) ------------------ | Branch (48:13): [True: 0, False: 1.87k] ------------------ 49| 0| customMem.customFree(customMem.opaque, ptr); 50| 1.87k| else 51| 1.87k| ZSTD_free(ptr); ------------------ | | 68| 1.87k|#define ZSTD_free(p) free((p)) ------------------ 52| 1.87k| } 53| 3.74k|} zstd_decompress.c:ZSTD_customMalloc: 27| 1.87k|{ 28| 1.87k| if (customMem.customAlloc) ------------------ | Branch (28:9): [True: 0, False: 1.87k] ------------------ 29| 0| return customMem.customAlloc(customMem.opaque, size); 30| 1.87k| return ZSTD_malloc(size); ------------------ | | 66| 1.87k|#define ZSTD_malloc(s) malloc(s) ------------------ 31| 1.87k|} zstd_decompress_block.c:ZSTD_highbit32: 175| 581k|{ 176| 581k| assert(val != 0); ------------------ | | 70| 581k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 177| 581k| return 31 - ZSTD_countLeadingZeros32(val); 178| 581k|} zstd_decompress_block.c:ZSTD_countLeadingZeros32: 70| 581k|{ 71| 581k| assert(val != 0); ------------------ | | 70| 581k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 72| |#if defined(_MSC_VER) 73| |# if STATIC_BMI2 74| | return (unsigned)_lzcnt_u32(val); 75| |# else 76| | if (val != 0) { 77| | unsigned long r; 78| | _BitScanReverse(&r, val); 79| | return (unsigned)(31 - r); 80| | } else { 81| | __assume(0); /* Should not reach this code path */ 82| | } 83| |# endif 84| |#elif defined(__GNUC__) && (__GNUC__ >= 4) 85| | return (unsigned)__builtin_clz(val); 86| |#elif defined(__ICCARM__) 87| | return (unsigned)__builtin_clz(val); 88| |#else 89| | return ZSTD_countLeadingZeros32_fallback(val); 90| |#endif 91| 581k|} entropy_common.c:ZSTD_countTrailingZeros32: 29| 5.44k|{ 30| 5.44k| assert(val != 0); ------------------ | | 70| 5.44k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 31| |#if defined(_MSC_VER) 32| |# if STATIC_BMI2 33| | return (unsigned)_tzcnt_u32(val); 34| |# else 35| | if (val != 0) { 36| | unsigned long r; 37| | _BitScanForward(&r, val); 38| | return (unsigned)r; 39| | } else { 40| | __assume(0); /* Should not reach this code path */ 41| | } 42| |# endif 43| |#elif defined(__GNUC__) && (__GNUC__ >= 4) 44| | return (unsigned)__builtin_ctz(val); 45| |#elif defined(__ICCARM__) 46| | return (unsigned)__builtin_ctz(val); 47| |#else 48| | return ZSTD_countTrailingZeros32_fallback(val); 49| |#endif 50| 5.44k|} entropy_common.c:ZSTD_highbit32: 175| 36.2k|{ 176| 36.2k| assert(val != 0); ------------------ | | 70| 36.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 177| 36.2k| return 31 - ZSTD_countLeadingZeros32(val); 178| 36.2k|} entropy_common.c:ZSTD_countLeadingZeros32: 70| 36.2k|{ 71| 36.2k| assert(val != 0); ------------------ | | 70| 36.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 72| |#if defined(_MSC_VER) 73| |# if STATIC_BMI2 74| | return (unsigned)_lzcnt_u32(val); 75| |# else 76| | if (val != 0) { 77| | unsigned long r; 78| | _BitScanReverse(&r, val); 79| | return (unsigned)(31 - r); 80| | } else { 81| | __assume(0); /* Should not reach this code path */ 82| | } 83| |# endif 84| |#elif defined(__GNUC__) && (__GNUC__ >= 4) 85| | return (unsigned)__builtin_clz(val); 86| |#elif defined(__ICCARM__) 87| | return (unsigned)__builtin_clz(val); 88| |#else 89| | return ZSTD_countLeadingZeros32_fallback(val); 90| |#endif 91| 36.2k|} fse_decompress.c:ZSTD_highbit32: 175| 162k|{ 176| 162k| assert(val != 0); ------------------ | | 70| 162k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 177| 162k| return 31 - ZSTD_countLeadingZeros32(val); 178| 162k|} fse_decompress.c:ZSTD_countLeadingZeros32: 70| 162k|{ 71| 162k| assert(val != 0); ------------------ | | 70| 162k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 72| |#if defined(_MSC_VER) 73| |# if STATIC_BMI2 74| | return (unsigned)_lzcnt_u32(val); 75| |# else 76| | if (val != 0) { 77| | unsigned long r; 78| | _BitScanReverse(&r, val); 79| | return (unsigned)(31 - r); 80| | } else { 81| | __assume(0); /* Should not reach this code path */ 82| | } 83| |# endif 84| |#elif defined(__GNUC__) && (__GNUC__ >= 4) 85| | return (unsigned)__builtin_clz(val); 86| |#elif defined(__ICCARM__) 87| | return (unsigned)__builtin_clz(val); 88| |#else 89| | return ZSTD_countLeadingZeros32_fallback(val); 90| |#endif 91| 162k|} huf_decompress.c:ZSTD_highbit32: 175| 7.37k|{ 176| 7.37k| assert(val != 0); ------------------ | | 70| 7.37k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 177| 7.37k| return 31 - ZSTD_countLeadingZeros32(val); 178| 7.37k|} huf_decompress.c:ZSTD_countLeadingZeros32: 70| 7.37k|{ 71| 7.37k| assert(val != 0); ------------------ | | 70| 7.37k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 72| |#if defined(_MSC_VER) 73| |# if STATIC_BMI2 74| | return (unsigned)_lzcnt_u32(val); 75| |# else 76| | if (val != 0) { 77| | unsigned long r; 78| | _BitScanReverse(&r, val); 79| | return (unsigned)(31 - r); 80| | } else { 81| | __assume(0); /* Should not reach this code path */ 82| | } 83| |# endif 84| |#elif defined(__GNUC__) && (__GNUC__ >= 4) 85| | return (unsigned)__builtin_clz(val); 86| |#elif defined(__ICCARM__) 87| | return (unsigned)__builtin_clz(val); 88| |#else 89| | return ZSTD_countLeadingZeros32_fallback(val); 90| |#endif 91| 7.37k|} huf_decompress.c:ZSTD_countTrailingZeros64: 94| 11.2k|{ 95| 11.2k| assert(val != 0); ------------------ | | 70| 11.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 96| |#if defined(_MSC_VER) && defined(_WIN64) 97| |# if STATIC_BMI2 98| | return (unsigned)_tzcnt_u64(val); 99| |# else 100| | if (val != 0) { 101| | unsigned long r; 102| | _BitScanForward64(&r, val); 103| | return (unsigned)r; 104| | } else { 105| | __assume(0); /* Should not reach this code path */ 106| | } 107| |# endif 108| |#elif defined(__GNUC__) && (__GNUC__ >= 4) && defined(__LP64__) 109| | return (unsigned)__builtin_ctzll(val); 110| |#elif defined(__ICCARM__) 111| | return (unsigned)__builtin_ctzll(val); 112| |#else 113| | { 114| | U32 mostSignificantWord = (U32)(val >> 32); 115| | U32 leastSignificantWord = (U32)val; 116| | if (leastSignificantWord == 0) { 117| | return 32 + ZSTD_countTrailingZeros32(mostSignificantWord); 118| | } else { 119| | return ZSTD_countTrailingZeros32(leastSignificantWord); 120| | } 121| | } 122| |#endif 123| 11.2k|} zstd_decompress_block.c:BIT_initDStream: 255| 3.24k|{ 256| 3.24k| if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 46| 1|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (256:9): [True: 1, False: 3.24k] ------------------ 257| | 258| 3.24k| bitD->start = (const char*)srcBuffer; 259| 3.24k| bitD->limitPtr = bitD->start + sizeof(bitD->bitContainer); 260| | 261| 3.24k| if (srcSize >= sizeof(bitD->bitContainer)) { /* normal case */ ------------------ | Branch (261:9): [True: 1.18k, False: 2.05k] ------------------ 262| 1.18k| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(bitD->bitContainer); 263| 1.18k| bitD->bitContainer = MEM_readLEST(bitD->ptr); 264| 1.18k| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 265| 1.18k| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; /* ensures bitsConsumed is always set */ ------------------ | Branch (265:32): [True: 1.12k, False: 58] ------------------ 266| 1.18k| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ } ------------------ | | 49| 58|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 58|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 58|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (266:15): [True: 58, False: 1.12k] ------------------ 267| 2.05k| } else { 268| 2.05k| bitD->ptr = bitD->start; 269| 2.05k| bitD->bitContainer = *(const BYTE*)(bitD->start); 270| 2.05k| switch(srcSize) 271| 2.05k| { 272| 183| case 7: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[6]) << (sizeof(bitD->bitContainer)*8 - 16); ------------------ | Branch (272:9): [True: 183, False: 1.87k] ------------------ 273| 183| ZSTD_FALLTHROUGH; ------------------ | | 262| 183|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 274| | 275| 355| case 6: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[5]) << (sizeof(bitD->bitContainer)*8 - 24); ------------------ | Branch (275:9): [True: 172, False: 1.88k] ------------------ 276| 355| ZSTD_FALLTHROUGH; ------------------ | | 262| 355|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 277| | 278| 548| case 5: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[4]) << (sizeof(bitD->bitContainer)*8 - 32); ------------------ | Branch (278:9): [True: 193, False: 1.86k] ------------------ 279| 548| ZSTD_FALLTHROUGH; ------------------ | | 262| 548|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 280| | 281| 1.18k| case 4: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[3]) << 24; ------------------ | Branch (281:9): [True: 639, False: 1.41k] ------------------ 282| 1.18k| ZSTD_FALLTHROUGH; ------------------ | | 262| 1.18k|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 283| | 284| 1.35k| case 3: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[2]) << 16; ------------------ | Branch (284:9): [True: 171, False: 1.88k] ------------------ 285| 1.35k| ZSTD_FALLTHROUGH; ------------------ | | 262| 1.35k|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 286| | 287| 1.75k| case 2: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[1]) << 8; ------------------ | Branch (287:9): [True: 394, False: 1.66k] ------------------ 288| 1.75k| ZSTD_FALLTHROUGH; ------------------ | | 262| 1.75k|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 289| | 290| 2.05k| default: break; ------------------ | Branch (290:9): [True: 306, False: 1.75k] ------------------ 291| 2.05k| } 292| 2.05k| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 293| 2.05k| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; ------------------ | Branch (293:34): [True: 2.05k, False: 6] ------------------ 294| 2.05k| if (lastByte == 0) return ERROR(corruption_detected); /* endMark not present */ ------------------ | | 49| 6|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 6|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 6|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (294:17): [True: 6, False: 2.05k] ------------------ 295| 2.05k| } 296| 2.05k| bitD->bitsConsumed += (U32)(sizeof(bitD->bitContainer) - srcSize)*8; 297| 2.05k| } 298| | 299| 3.17k| return srcSize; 300| 3.24k|} zstd_decompress_block.c:BIT_readBits: 363| 14.0M|{ 364| 14.0M| BitContainerType const value = BIT_lookBits(bitD, nbBits); 365| 14.0M| BIT_skipBits(bitD, nbBits); 366| 14.0M| return value; 367| 14.0M|} zstd_decompress_block.c:BIT_lookBits: 331| 14.0M|{ 332| | /* arbitrate between double-shift and shift+mask */ 333| 14.0M|#if 1 334| | /* if bitD->bitsConsumed + nbBits > sizeof(bitD->bitContainer)*8, 335| | * bitstream is likely corrupted, and result is undefined */ 336| 14.0M| return BIT_getMiddleBits(bitD->bitContainer, (sizeof(bitD->bitContainer)*8) - bitD->bitsConsumed - nbBits, nbBits); 337| |#else 338| | /* this code path is slower on my os-x laptop */ 339| | U32 const regMask = sizeof(bitD->bitContainer)*8 - 1; 340| | return ((bitD->bitContainer << (bitD->bitsConsumed & regMask)) >> 1) >> ((regMask-nbBits) & regMask); 341| |#endif 342| 14.0M|} zstd_decompress_block.c:BIT_getMiddleBits: 308| 14.0M|{ 309| 14.0M| U32 const regMask = sizeof(bitContainer)*8 - 1; 310| | /* if start > regMask, bitstream is corrupted, and result is undefined */ 311| 14.0M| assert(nbBits < BIT_MASK_SIZE); ------------------ | | 70| 14.0M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 312| | /* x86 transform & ((1 << nbBits) - 1) to bzhi instruction, it is better 313| | * than accessing memory. When bmi2 instruction is not present, we consider 314| | * such cpus old (pre-Haswell, 2013) and their performance is not of that 315| | * importance. 316| | */ 317| 14.0M|#if defined(__x86_64__) || defined(_M_X64) 318| 14.0M| return (bitContainer >> (start & regMask)) & ((((U64)1) << nbBits) - 1); 319| |#else 320| | return (bitContainer >> (start & regMask)) & BIT_mask[nbBits]; 321| |#endif 322| 14.0M|} zstd_decompress_block.c:BIT_skipBits: 354| 18.3M|{ 355| 18.3M| bitD->bitsConsumed += nbBits; 356| 18.3M|} zstd_decompress_block.c:BIT_reloadDStream: 413| 4.69M|{ 414| | /* note : once in overflow mode, a bitstream remains in this mode until it's reset */ 415| 4.69M| if (UNLIKELY(bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8))) { ------------------ | | 188| 4.69M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 162k, False: 4.52M] | | ------------------ ------------------ 416| 162k| static const BitContainerType zeroFilled = 0; 417| 162k| bitD->ptr = (const char*)&zeroFilled; /* aliasing is allowed for char */ 418| | /* overflow detected, erroneous scenario or end of stream: no update */ 419| 162k| return BIT_DStream_overflow; 420| 162k| } 421| | 422| 4.52M| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 4.52M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 423| | 424| 4.52M| if (bitD->ptr >= bitD->limitPtr) { ------------------ | Branch (424:9): [True: 4.51M, False: 12.0k] ------------------ 425| 4.51M| return BIT_reloadDStream_internal(bitD); 426| 4.51M| } 427| 12.0k| if (bitD->ptr == bitD->start) { ------------------ | Branch (427:9): [True: 11.1k, False: 919] ------------------ 428| | /* reached end of bitStream => no update */ 429| 11.1k| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BIT_DStream_endOfBuffer; ------------------ | Branch (429:13): [True: 10.4k, False: 675] ------------------ 430| 675| return BIT_DStream_completed; 431| 11.1k| } 432| | /* start < ptr < limitPtr => cautious update */ 433| 919| { U32 nbBytes = bitD->bitsConsumed >> 3; 434| 919| BIT_DStream_status result = BIT_DStream_unfinished; 435| 919| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (435:13): [True: 43, False: 876] ------------------ 436| 43| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 437| 43| result = BIT_DStream_endOfBuffer; 438| 43| } 439| 919| bitD->ptr -= nbBytes; 440| 919| bitD->bitsConsumed -= nbBytes*8; 441| 919| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD->bitContainer), otherwise bitD->ptr == bitD->start */ 442| 919| return result; 443| 12.0k| } 444| 12.0k|} zstd_decompress_block.c:BIT_reloadDStream_internal: 385| 4.51M|{ 386| 4.51M| assert(bitD->bitsConsumed <= sizeof(bitD->bitContainer)*8); ------------------ | | 70| 4.51M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 387| 4.51M| bitD->ptr -= bitD->bitsConsumed >> 3; 388| 4.51M| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 4.51M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 389| 4.51M| bitD->bitsConsumed &= 7; 390| 4.51M| bitD->bitContainer = MEM_readLEST(bitD->ptr); 391| 4.51M| return BIT_DStream_unfinished; 392| 4.51M|} zstd_decompress_block.c:BIT_readBitsFast: 372| 4.31M|{ 373| 4.31M| BitContainerType const value = BIT_lookBitsFast(bitD, nbBits); 374| 4.31M| assert(nbBits >= 1); ------------------ | | 70| 4.31M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 375| 4.31M| BIT_skipBits(bitD, nbBits); 376| 4.31M| return value; 377| 4.31M|} zstd_decompress_block.c:BIT_lookBitsFast: 347| 4.31M|{ 348| 4.31M| U32 const regMask = sizeof(bitD->bitContainer)*8 - 1; 349| 4.31M| assert(nbBits >= 1); ------------------ | | 70| 4.31M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 350| 4.31M| return (bitD->bitContainer << (bitD->bitsConsumed & regMask)) >> (((regMask+1)-nbBits) & regMask); 351| 4.31M|} zstd_decompress_block.c:BIT_endOfDStream: 450| 2.15k|{ 451| 2.15k| return ((DStream->ptr == DStream->start) && (DStream->bitsConsumed == sizeof(DStream->bitContainer)*8)); ------------------ | Branch (451:13): [True: 2.13k, False: 17] | Branch (451:49): [True: 2.11k, False: 14] ------------------ 452| 2.15k|} fse_decompress.c:BIT_initDStream: 255| 3.96k|{ 256| 3.96k| if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 46| 0|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (256:9): [True: 0, False: 3.96k] ------------------ 257| | 258| 3.96k| bitD->start = (const char*)srcBuffer; 259| 3.96k| bitD->limitPtr = bitD->start + sizeof(bitD->bitContainer); 260| | 261| 3.96k| if (srcSize >= sizeof(bitD->bitContainer)) { /* normal case */ ------------------ | Branch (261:9): [True: 3.59k, False: 373] ------------------ 262| 3.59k| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(bitD->bitContainer); 263| 3.59k| bitD->bitContainer = MEM_readLEST(bitD->ptr); 264| 3.59k| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 265| 3.59k| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; /* ensures bitsConsumed is always set */ ------------------ | Branch (265:32): [True: 3.58k, False: 5] ------------------ 266| 3.59k| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ } ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (266:15): [True: 5, False: 3.58k] ------------------ 267| 3.59k| } else { 268| 373| bitD->ptr = bitD->start; 269| 373| bitD->bitContainer = *(const BYTE*)(bitD->start); 270| 373| switch(srcSize) 271| 373| { 272| 104| case 7: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[6]) << (sizeof(bitD->bitContainer)*8 - 16); ------------------ | Branch (272:9): [True: 104, False: 269] ------------------ 273| 104| ZSTD_FALLTHROUGH; ------------------ | | 262| 104|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 274| | 275| 147| case 6: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[5]) << (sizeof(bitD->bitContainer)*8 - 24); ------------------ | Branch (275:9): [True: 43, False: 330] ------------------ 276| 147| ZSTD_FALLTHROUGH; ------------------ | | 262| 147|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 277| | 278| 210| case 5: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[4]) << (sizeof(bitD->bitContainer)*8 - 32); ------------------ | Branch (278:9): [True: 63, False: 310] ------------------ 279| 210| ZSTD_FALLTHROUGH; ------------------ | | 262| 210|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 280| | 281| 262| case 4: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[3]) << 24; ------------------ | Branch (281:9): [True: 52, False: 321] ------------------ 282| 262| ZSTD_FALLTHROUGH; ------------------ | | 262| 262|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 283| | 284| 306| case 3: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[2]) << 16; ------------------ | Branch (284:9): [True: 44, False: 329] ------------------ 285| 306| ZSTD_FALLTHROUGH; ------------------ | | 262| 306|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 286| | 287| 373| case 2: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[1]) << 8; ------------------ | Branch (287:9): [True: 67, False: 306] ------------------ 288| 373| ZSTD_FALLTHROUGH; ------------------ | | 262| 373|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 289| | 290| 373| default: break; ------------------ | Branch (290:9): [True: 0, False: 373] ------------------ 291| 373| } 292| 373| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 293| 373| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; ------------------ | Branch (293:34): [True: 373, False: 0] ------------------ 294| 373| if (lastByte == 0) return ERROR(corruption_detected); /* endMark not present */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (294:17): [True: 0, False: 373] ------------------ 295| 373| } 296| 373| bitD->bitsConsumed += (U32)(sizeof(bitD->bitContainer) - srcSize)*8; 297| 373| } 298| | 299| 3.96k| return srcSize; 300| 3.96k|} fse_decompress.c:BIT_readBits: 363| 350k|{ 364| 350k| BitContainerType const value = BIT_lookBits(bitD, nbBits); 365| 350k| BIT_skipBits(bitD, nbBits); 366| 350k| return value; 367| 350k|} fse_decompress.c:BIT_lookBits: 331| 350k|{ 332| | /* arbitrate between double-shift and shift+mask */ 333| 350k|#if 1 334| | /* if bitD->bitsConsumed + nbBits > sizeof(bitD->bitContainer)*8, 335| | * bitstream is likely corrupted, and result is undefined */ 336| 350k| return BIT_getMiddleBits(bitD->bitContainer, (sizeof(bitD->bitContainer)*8) - bitD->bitsConsumed - nbBits, nbBits); 337| |#else 338| | /* this code path is slower on my os-x laptop */ 339| | U32 const regMask = sizeof(bitD->bitContainer)*8 - 1; 340| | return ((bitD->bitContainer << (bitD->bitsConsumed & regMask)) >> 1) >> ((regMask-nbBits) & regMask); 341| |#endif 342| 350k|} fse_decompress.c:BIT_getMiddleBits: 308| 350k|{ 309| 350k| U32 const regMask = sizeof(bitContainer)*8 - 1; 310| | /* if start > regMask, bitstream is corrupted, and result is undefined */ 311| 350k| assert(nbBits < BIT_MASK_SIZE); ------------------ | | 70| 350k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 312| | /* x86 transform & ((1 << nbBits) - 1) to bzhi instruction, it is better 313| | * than accessing memory. When bmi2 instruction is not present, we consider 314| | * such cpus old (pre-Haswell, 2013) and their performance is not of that 315| | * importance. 316| | */ 317| 350k|#if defined(__x86_64__) || defined(_M_X64) 318| 350k| return (bitContainer >> (start & regMask)) & ((((U64)1) << nbBits) - 1); 319| |#else 320| | return (bitContainer >> (start & regMask)) & BIT_mask[nbBits]; 321| |#endif 322| 350k|} fse_decompress.c:BIT_skipBits: 354| 397k|{ 355| 397k| bitD->bitsConsumed += nbBits; 356| 397k|} fse_decompress.c:BIT_reloadDStream: 413| 264k|{ 414| | /* note : once in overflow mode, a bitstream remains in this mode until it's reset */ 415| 264k| if (UNLIKELY(bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8))) { ------------------ | | 188| 264k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 3.95k, False: 260k] | | ------------------ ------------------ 416| 3.95k| static const BitContainerType zeroFilled = 0; 417| 3.95k| bitD->ptr = (const char*)&zeroFilled; /* aliasing is allowed for char */ 418| | /* overflow detected, erroneous scenario or end of stream: no update */ 419| 3.95k| return BIT_DStream_overflow; 420| 3.95k| } 421| | 422| 260k| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 260k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 423| | 424| 260k| if (bitD->ptr >= bitD->limitPtr) { ------------------ | Branch (424:9): [True: 12.5k, False: 247k] ------------------ 425| 12.5k| return BIT_reloadDStream_internal(bitD); 426| 12.5k| } 427| 247k| if (bitD->ptr == bitD->start) { ------------------ | Branch (427:9): [True: 203k, False: 43.9k] ------------------ 428| | /* reached end of bitStream => no update */ 429| 203k| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BIT_DStream_endOfBuffer; ------------------ | Branch (429:13): [True: 198k, False: 5.17k] ------------------ 430| 5.17k| return BIT_DStream_completed; 431| 203k| } 432| | /* start < ptr < limitPtr => cautious update */ 433| 43.9k| { U32 nbBytes = bitD->bitsConsumed >> 3; 434| 43.9k| BIT_DStream_status result = BIT_DStream_unfinished; 435| 43.9k| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (435:13): [True: 317, False: 43.6k] ------------------ 436| 317| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 437| 317| result = BIT_DStream_endOfBuffer; 438| 317| } 439| 43.9k| bitD->ptr -= nbBytes; 440| 43.9k| bitD->bitsConsumed -= nbBytes*8; 441| 43.9k| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD->bitContainer), otherwise bitD->ptr == bitD->start */ 442| 43.9k| return result; 443| 247k| } 444| 247k|} fse_decompress.c:BIT_reloadDStream_internal: 385| 12.5k|{ 386| 12.5k| assert(bitD->bitsConsumed <= sizeof(bitD->bitContainer)*8); ------------------ | | 70| 12.5k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 387| 12.5k| bitD->ptr -= bitD->bitsConsumed >> 3; 388| 12.5k| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 12.5k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 389| 12.5k| bitD->bitsConsumed &= 7; 390| 12.5k| bitD->bitContainer = MEM_readLEST(bitD->ptr); 391| 12.5k| return BIT_DStream_unfinished; 392| 12.5k|} fse_decompress.c:BIT_readBitsFast: 372| 47.3k|{ 373| 47.3k| BitContainerType const value = BIT_lookBitsFast(bitD, nbBits); 374| 47.3k| assert(nbBits >= 1); ------------------ | | 70| 47.3k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 375| 47.3k| BIT_skipBits(bitD, nbBits); 376| 47.3k| return value; 377| 47.3k|} fse_decompress.c:BIT_lookBitsFast: 347| 47.3k|{ 348| 47.3k| U32 const regMask = sizeof(bitD->bitContainer)*8 - 1; 349| 47.3k| assert(nbBits >= 1); ------------------ | | 70| 47.3k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 350| 47.3k| return (bitD->bitContainer << (bitD->bitsConsumed & regMask)) >> (((regMask+1)-nbBits) & regMask); 351| 47.3k|} huf_decompress.c:BIT_initDStream: 255| 1.64k|{ 256| 1.64k| if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 46| 2|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ if (srcSize < 1) { ZSTD_memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (256:9): [True: 2, False: 1.64k] ------------------ 257| | 258| 1.64k| bitD->start = (const char*)srcBuffer; 259| 1.64k| bitD->limitPtr = bitD->start + sizeof(bitD->bitContainer); 260| | 261| 1.64k| if (srcSize >= sizeof(bitD->bitContainer)) { /* normal case */ ------------------ | Branch (261:9): [True: 525, False: 1.11k] ------------------ 262| 525| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(bitD->bitContainer); 263| 525| bitD->bitContainer = MEM_readLEST(bitD->ptr); 264| 525| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 265| 525| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; /* ensures bitsConsumed is always set */ ------------------ | Branch (265:32): [True: 520, False: 5] ------------------ 266| 525| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ } ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (266:15): [True: 5, False: 520] ------------------ 267| 1.11k| } else { 268| 1.11k| bitD->ptr = bitD->start; 269| 1.11k| bitD->bitContainer = *(const BYTE*)(bitD->start); 270| 1.11k| switch(srcSize) 271| 1.11k| { 272| 51| case 7: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[6]) << (sizeof(bitD->bitContainer)*8 - 16); ------------------ | Branch (272:9): [True: 51, False: 1.06k] ------------------ 273| 51| ZSTD_FALLTHROUGH; ------------------ | | 262| 51|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 274| | 275| 85| case 6: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[5]) << (sizeof(bitD->bitContainer)*8 - 24); ------------------ | Branch (275:9): [True: 34, False: 1.08k] ------------------ 276| 85| ZSTD_FALLTHROUGH; ------------------ | | 262| 85|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 277| | 278| 96| case 5: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[4]) << (sizeof(bitD->bitContainer)*8 - 32); ------------------ | Branch (278:9): [True: 11, False: 1.10k] ------------------ 279| 96| ZSTD_FALLTHROUGH; ------------------ | | 262| 96|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 280| | 281| 101| case 4: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[3]) << 24; ------------------ | Branch (281:9): [True: 5, False: 1.11k] ------------------ 282| 101| ZSTD_FALLTHROUGH; ------------------ | | 262| 101|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 283| | 284| 635| case 3: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[2]) << 16; ------------------ | Branch (284:9): [True: 534, False: 584] ------------------ 285| 635| ZSTD_FALLTHROUGH; ------------------ | | 262| 635|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 286| | 287| 639| case 2: bitD->bitContainer += (BitContainerType)(((const BYTE*)(srcBuffer))[1]) << 8; ------------------ | Branch (287:9): [True: 4, False: 1.11k] ------------------ 288| 639| ZSTD_FALLTHROUGH; ------------------ | | 262| 639|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 289| | 290| 1.11k| default: break; ------------------ | Branch (290:9): [True: 479, False: 639] ------------------ 291| 1.11k| } 292| 1.11k| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 293| 1.11k| bitD->bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; ------------------ | Branch (293:34): [True: 1.11k, False: 1] ------------------ 294| 1.11k| if (lastByte == 0) return ERROR(corruption_detected); /* endMark not present */ ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (294:17): [True: 1, False: 1.11k] ------------------ 295| 1.11k| } 296| 1.11k| bitD->bitsConsumed += (U32)(sizeof(bitD->bitContainer) - srcSize)*8; 297| 1.11k| } 298| | 299| 1.63k| return srcSize; 300| 1.64k|} huf_decompress.c:BIT_reloadDStream: 413| 311k|{ 414| | /* note : once in overflow mode, a bitstream remains in this mode until it's reset */ 415| 311k| if (UNLIKELY(bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8))) { ------------------ | | 188| 311k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 53, False: 311k] | | ------------------ ------------------ 416| 53| static const BitContainerType zeroFilled = 0; 417| 53| bitD->ptr = (const char*)&zeroFilled; /* aliasing is allowed for char */ 418| | /* overflow detected, erroneous scenario or end of stream: no update */ 419| 53| return BIT_DStream_overflow; 420| 53| } 421| | 422| 311k| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 311k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 423| | 424| 311k| if (bitD->ptr >= bitD->limitPtr) { ------------------ | Branch (424:9): [True: 296k, False: 14.9k] ------------------ 425| 296k| return BIT_reloadDStream_internal(bitD); 426| 296k| } 427| 14.9k| if (bitD->ptr == bitD->start) { ------------------ | Branch (427:9): [True: 2.49k, False: 12.4k] ------------------ 428| | /* reached end of bitStream => no update */ 429| 2.49k| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BIT_DStream_endOfBuffer; ------------------ | Branch (429:13): [True: 2.04k, False: 456] ------------------ 430| 456| return BIT_DStream_completed; 431| 2.49k| } 432| | /* start < ptr < limitPtr => cautious update */ 433| 12.4k| { U32 nbBytes = bitD->bitsConsumed >> 3; 434| 12.4k| BIT_DStream_status result = BIT_DStream_unfinished; 435| 12.4k| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (435:13): [True: 1.52k, False: 10.9k] ------------------ 436| 1.52k| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 437| 1.52k| result = BIT_DStream_endOfBuffer; 438| 1.52k| } 439| 12.4k| bitD->ptr -= nbBytes; 440| 12.4k| bitD->bitsConsumed -= nbBytes*8; 441| 12.4k| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD->bitContainer), otherwise bitD->ptr == bitD->start */ 442| 12.4k| return result; 443| 14.9k| } 444| 14.9k|} huf_decompress.c:BIT_reloadDStream_internal: 385| 352k|{ 386| 352k| assert(bitD->bitsConsumed <= sizeof(bitD->bitContainer)*8); ------------------ | | 70| 352k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 387| 352k| bitD->ptr -= bitD->bitsConsumed >> 3; 388| 352k| assert(bitD->ptr >= bitD->start); ------------------ | | 70| 352k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 389| 352k| bitD->bitsConsumed &= 7; 390| 352k| bitD->bitContainer = MEM_readLEST(bitD->ptr); 391| 352k| return BIT_DStream_unfinished; 392| 352k|} huf_decompress.c:BIT_lookBitsFast: 347| 3.21M|{ 348| 3.21M| U32 const regMask = sizeof(bitD->bitContainer)*8 - 1; 349| 3.21M| assert(nbBits >= 1); ------------------ | | 70| 3.21M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 350| 3.21M| return (bitD->bitContainer << (bitD->bitsConsumed & regMask)) >> (((regMask+1)-nbBits) & regMask); 351| 3.21M|} huf_decompress.c:BIT_skipBits: 354| 3.21M|{ 355| 3.21M| bitD->bitsConsumed += nbBits; 356| 3.21M|} huf_decompress.c:BIT_endOfDStream: 450| 1.62k|{ 451| 1.62k| return ((DStream->ptr == DStream->start) && (DStream->bitsConsumed == sizeof(DStream->bitContainer)*8)); ------------------ | Branch (451:13): [True: 1.48k, False: 131] | Branch (451:49): [True: 1.19k, False: 293] ------------------ 452| 1.62k|} huf_decompress.c:BIT_reloadDStreamFast: 401| 56.3k|{ 402| 56.3k| if (UNLIKELY(bitD->ptr < bitD->limitPtr)) ------------------ | | 188| 56.3k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 148, False: 56.2k] | | ------------------ ------------------ 403| 148| return BIT_DStream_overflow; 404| 56.2k| return BIT_reloadDStream_internal(bitD); 405| 56.3k|} zstd_decompress_block.c:ZSTD_maybeNullPtrAdd: 386| 11.3k|{ 387| 11.3k| return add > 0 ? ptr + add : ptr; ------------------ | Branch (387:12): [True: 11.1k, False: 198] ------------------ 388| 11.3k|} zstd_decompress_block.c:ZSTD_wrappedPtrSub: 374| 1.87M|{ 375| 1.87M| return ptr - sub; 376| 1.87M|} zstd_decompress_block.c:ZSTD_wrappedPtrAdd: 361| 1.87M|{ 362| 1.87M| return ptr + add; 363| 1.87M|} huf_decompress.c:ZSTD_maybeNullPtrAdd: 386| 7.06k|{ 387| 7.06k| return add > 0 ? ptr + add : ptr; ------------------ | Branch (387:12): [True: 6.60k, False: 455] ------------------ 388| 7.06k|} zstd_decompress.c:ZSTD_cpuid: 32| 1.87k|MEM_STATIC ZSTD_cpuid_t ZSTD_cpuid(void) { 33| 1.87k| U32 f1c = 0; 34| 1.87k| U32 f1d = 0; 35| 1.87k| U32 f7b = 0; 36| 1.87k| U32 f7c = 0; 37| |#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_IX86)) 38| |#if !defined(_M_X64) || !defined(__clang__) || __clang_major__ >= 16 39| | int reg[4]; 40| | __cpuid((int*)reg, 0); 41| | { 42| | int const n = reg[0]; 43| | if (n >= 1) { 44| | __cpuid((int*)reg, 1); 45| | f1c = (U32)reg[2]; 46| | f1d = (U32)reg[3]; 47| | } 48| | if (n >= 7) { 49| | __cpuidex((int*)reg, 7, 0); 50| | f7b = (U32)reg[1]; 51| | f7c = (U32)reg[2]; 52| | } 53| | } 54| |#else 55| | /* Clang compiler has a bug (fixed in https://reviews.llvm.org/D101338) in 56| | * which the `__cpuid` intrinsic does not save and restore `rbx` as it needs 57| | * to due to being a reserved register. So in that case, do the `cpuid` 58| | * ourselves. Clang supports inline assembly anyway. 59| | */ 60| | U32 n; 61| | __asm__( 62| | "pushq %%rbx\n\t" 63| | "cpuid\n\t" 64| | "popq %%rbx\n\t" 65| | : "=a"(n) 66| | : "a"(0) 67| | : "rcx", "rdx"); 68| | if (n >= 1) { 69| | U32 f1a; 70| | __asm__( 71| | "pushq %%rbx\n\t" 72| | "cpuid\n\t" 73| | "popq %%rbx\n\t" 74| | : "=a"(f1a), "=c"(f1c), "=d"(f1d) 75| | : "a"(1) 76| | :); 77| | } 78| | if (n >= 7) { 79| | __asm__( 80| | "pushq %%rbx\n\t" 81| | "cpuid\n\t" 82| | "movq %%rbx, %%rax\n\t" 83| | "popq %%rbx" 84| | : "=a"(f7b), "=c"(f7c) 85| | : "a"(7), "c"(0) 86| | : "rdx"); 87| | } 88| |#endif 89| |#elif defined(__i386__) && defined(__PIC__) && !defined(__clang__) && defined(__GNUC__) 90| | /* The following block like the normal cpuid branch below, but gcc 91| | * reserves ebx for use of its pic register so we must specially 92| | * handle the save and restore to avoid clobbering the register 93| | */ 94| | U32 n; 95| | __asm__( 96| | "pushl %%ebx\n\t" 97| | "cpuid\n\t" 98| | "popl %%ebx\n\t" 99| | : "=a"(n) 100| | : "a"(0) 101| | : "ecx", "edx"); 102| | if (n >= 1) { 103| | U32 f1a; 104| | __asm__( 105| | "pushl %%ebx\n\t" 106| | "cpuid\n\t" 107| | "popl %%ebx\n\t" 108| | : "=a"(f1a), "=c"(f1c), "=d"(f1d) 109| | : "a"(1)); 110| | } 111| | if (n >= 7) { 112| | __asm__( 113| | "pushl %%ebx\n\t" 114| | "cpuid\n\t" 115| | "movl %%ebx, %%eax\n\t" 116| | "popl %%ebx" 117| | : "=a"(f7b), "=c"(f7c) 118| | : "a"(7), "c"(0) 119| | : "edx"); 120| | } 121| |#elif defined(__x86_64__) || defined(_M_X64) || defined(__i386__) 122| | U32 n; 123| 1.87k| __asm__("cpuid" : "=a"(n) : "a"(0) : "ebx", "ecx", "edx"); 124| 1.87k| if (n >= 1) { ------------------ | Branch (124:9): [True: 1.87k, False: 0] ------------------ 125| 1.87k| U32 f1a; 126| 1.87k| __asm__("cpuid" : "=a"(f1a), "=c"(f1c), "=d"(f1d) : "a"(1) : "ebx"); 127| 1.87k| } 128| 1.87k| if (n >= 7) { ------------------ | Branch (128:9): [True: 1.87k, False: 0] ------------------ 129| 1.87k| U32 f7a; 130| 1.87k| __asm__("cpuid" 131| 1.87k| : "=a"(f7a), "=b"(f7b), "=c"(f7c) 132| 1.87k| : "a"(7), "c"(0) 133| 1.87k| : "edx"); 134| 1.87k| } 135| 1.87k|#endif 136| 1.87k| { 137| 1.87k| ZSTD_cpuid_t cpuid; 138| 1.87k| cpuid.f1c = f1c; 139| 1.87k| cpuid.f1d = f1d; 140| 1.87k| cpuid.f7b = f7b; 141| 1.87k| cpuid.f7c = f7c; 142| 1.87k| return cpuid; 143| 1.87k| } 144| 1.87k|} zstd_decompress.c:ZSTD_cpuid_bmi1: 147| 1.87k| MEM_STATIC int ZSTD_cpuid_##name(ZSTD_cpuid_t const cpuid) { \ 148| 1.87k| return ((cpuid.r) & (1U << bit)) != 0; \ 149| 1.87k| } zstd_decompress.c:ZSTD_cpuid_bmi2: 147| 1.87k| MEM_STATIC int ZSTD_cpuid_##name(ZSTD_cpuid_t const cpuid) { \ 148| 1.87k| return ((cpuid.r) & (1U << bit)) != 0; \ 149| 1.87k| } FSE_isError: 31| 4.71k|unsigned FSE_isError(size_t code) { return ERR_isError(code); } FSE_readNCount_bmi2: 209| 9.03k|{ 210| 9.03k|#if DYNAMIC_BMI2 211| 9.03k| if (bmi2) { ------------------ | Branch (211:9): [True: 3.91k, False: 5.12k] ------------------ 212| 3.91k| return FSE_readNCount_body_bmi2(normalizedCounter, maxSVPtr, tableLogPtr, headerBuffer, hbSize); 213| 3.91k| } 214| 5.12k|#endif 215| 5.12k| (void)bmi2; 216| 5.12k| return FSE_readNCount_body_default(normalizedCounter, maxSVPtr, tableLogPtr, headerBuffer, hbSize); 217| 9.03k|} FSE_readNCount: 222| 5.05k|{ 223| 5.05k| return FSE_readNCount_bmi2(normalizedCounter, maxSVPtr, tableLogPtr, headerBuffer, hbSize, /* bmi2 */ 0); 224| 5.05k|} HUF_readStats_wksp: 332| 4.02k|{ 333| 4.02k|#if DYNAMIC_BMI2 334| 4.02k| if (flags & HUF_flags_bmi2) { ------------------ | Branch (334:9): [True: 3.92k, False: 100] ------------------ 335| 3.92k| return HUF_readStats_body_bmi2(huffWeight, hwSize, rankStats, nbSymbolsPtr, tableLogPtr, src, srcSize, workSpace, wkspSize); 336| 3.92k| } 337| 100|#endif 338| 100| (void)flags; 339| 100| return HUF_readStats_body_default(huffWeight, hwSize, rankStats, nbSymbolsPtr, tableLogPtr, src, srcSize, workSpace, wkspSize); 340| 4.02k|} entropy_common.c:FSE_readNCount_body_bmi2: 201| 3.91k|{ 202| 3.91k| return FSE_readNCount_body(normalizedCounter, maxSVPtr, tableLogPtr, headerBuffer, hbSize); 203| 3.91k|} entropy_common.c:FSE_readNCount_body: 44| 9.03k|{ 45| 9.03k| const BYTE* const istart = (const BYTE*) headerBuffer; 46| 9.03k| const BYTE* const iend = istart + hbSize; 47| 9.03k| const BYTE* ip = istart; 48| 9.03k| int nbBits; 49| 9.03k| int remaining; 50| 9.03k| int threshold; 51| 9.03k| U32 bitStream; 52| 9.03k| int bitCount; 53| 9.03k| unsigned charnum = 0; 54| 9.03k| unsigned const maxSV1 = *maxSVPtr + 1; 55| 9.03k| int previous0 = 0; 56| | 57| 9.03k| if (hbSize < 8) { ------------------ | Branch (57:9): [True: 732, False: 8.30k] ------------------ 58| | /* This function only works when hbSize >= 8 */ 59| 732| char buffer[8] = {0}; 60| 732| ZSTD_memcpy(buffer, headerBuffer, hbSize); ------------------ | | 44| 732|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 61| 732| { size_t const countSize = FSE_readNCount(normalizedCounter, maxSVPtr, tableLogPtr, 62| 732| buffer, sizeof(buffer)); 63| 732| if (FSE_isError(countSize)) return countSize; ------------------ | Branch (63:17): [True: 0, False: 732] ------------------ 64| 732| if (countSize > hbSize) return ERROR(corruption_detected); ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (64:17): [True: 7, False: 725] ------------------ 65| 725| return countSize; 66| 732| } } 67| 8.30k| assert(hbSize >= 8); ------------------ | | 70| 8.30k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 68| | 69| | /* init */ 70| 8.30k| ZSTD_memset(normalizedCounter, 0, (*maxSVPtr+1) * sizeof(normalizedCounter[0])); /* all symbols not present in NCount have a frequency of 0 */ ------------------ | | 46| 8.30k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 71| 8.30k| bitStream = MEM_readLE32(ip); 72| 8.30k| nbBits = (bitStream & 0xF) + FSE_MIN_TABLELOG; /* extract tableLog */ ------------------ | | 616| 8.30k|#define FSE_MIN_TABLELOG 5 ------------------ 73| 8.30k| if (nbBits > FSE_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 618| 8.30k|#define FSE_TABLELOG_ABSOLUTE_MAX 15 ------------------ if (nbBits > FSE_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (73:9): [True: 5, False: 8.29k] ------------------ 74| 8.29k| bitStream >>= 4; 75| 8.29k| bitCount = 4; 76| 8.29k| *tableLogPtr = nbBits; 77| 8.29k| remaining = (1<> 1; 89| 5.44k| while (repeats >= 12) { ------------------ | Branch (89:20): [True: 193, False: 5.25k] ------------------ 90| 193| charnum += 3 * 12; 91| 193| if (LIKELY(ip <= iend-7)) { ------------------ | | 187| 193|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 167, False: 26] | | ------------------ ------------------ 92| 167| ip += 3; 93| 167| } else { 94| 26| bitCount -= (int)(8 * (iend - 7 - ip)); 95| 26| bitCount &= 31; 96| 26| ip = iend - 4; 97| 26| } 98| 193| bitStream = MEM_readLE32(ip) >> bitCount; 99| 193| repeats = ZSTD_countTrailingZeros32(~bitStream | 0x80000000) >> 1; 100| 193| } 101| 5.25k| charnum += 3 * repeats; 102| 5.25k| bitStream >>= 2 * repeats; 103| 5.25k| bitCount += 2 * repeats; 104| | 105| | /* Add the final repeat which isn't 0b11. */ 106| 5.25k| assert((bitStream & 3) < 3); ------------------ | | 70| 5.25k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 107| 5.25k| charnum += bitStream & 3; 108| 5.25k| bitCount += 2; 109| | 110| | /* This is an error, but break and return an error 111| | * at the end, because returning out of a loop makes 112| | * it harder for the compiler to optimize. 113| | */ 114| 5.25k| if (charnum >= maxSV1) break; ------------------ | Branch (114:17): [True: 1, False: 5.25k] ------------------ 115| | 116| | /* We don't need to set the normalized count to 0 117| | * because we already memset the whole buffer to 0. 118| | */ 119| | 120| 5.25k| if (LIKELY(ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | | 187| 10.5k|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 4.85k, False: 393] | | ------------------ ------------------ | Branch (120:41): [True: 239, False: 154] ------------------ 121| 5.09k| assert((bitCount >> 3) <= 3); /* For first condition to work */ ------------------ | | 70| 5.09k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 122| 5.09k| ip += bitCount>>3; 123| 5.09k| bitCount &= 7; 124| 5.09k| } else { 125| 154| bitCount -= (int)(8 * (iend - 4 - ip)); 126| 154| bitCount &= 31; 127| 154| ip = iend - 4; 128| 154| } 129| 5.25k| bitStream = MEM_readLE32(ip) >> bitCount; 130| 5.25k| } 131| 71.2k| { 132| 71.2k| int const max = (2*threshold-1) - remaining; 133| 71.2k| int count; 134| | 135| 71.2k| if ((bitStream & (threshold-1)) < (U32)max) { ------------------ | Branch (135:17): [True: 46.4k, False: 24.7k] ------------------ 136| 46.4k| count = bitStream & (threshold-1); 137| 46.4k| bitCount += nbBits-1; 138| 46.4k| } else { 139| 24.7k| count = bitStream & (2*threshold-1); 140| 24.7k| if (count >= threshold) count -= max; ------------------ | Branch (140:21): [True: 11.7k, False: 12.9k] ------------------ 141| 24.7k| bitCount += nbBits; 142| 24.7k| } 143| | 144| 71.2k| count--; /* extra accuracy */ 145| | /* When it matters (small blocks), this is a 146| | * predictable branch, because we don't use -1. 147| | */ 148| 71.2k| if (count >= 0) { ------------------ | Branch (148:17): [True: 42.2k, False: 29.0k] ------------------ 149| 42.2k| remaining -= count; 150| 42.2k| } else { 151| 29.0k| assert(count == -1); ------------------ | | 70| 29.0k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 152| 29.0k| remaining += count; 153| 29.0k| } 154| 71.2k| normalizedCounter[charnum++] = (short)count; 155| 71.2k| previous0 = !count; 156| | 157| 71.2k| assert(threshold > 1); ------------------ | | 70| 71.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 158| 71.2k| if (remaining < threshold) { ------------------ | Branch (158:17): [True: 32.5k, False: 38.6k] ------------------ 159| | /* This branch can be folded into the 160| | * threshold update condition because we 161| | * know that threshold > 1. 162| | */ 163| 32.5k| if (remaining <= 1) break; ------------------ | Branch (163:21): [True: 8.29k, False: 24.2k] ------------------ 164| 24.2k| nbBits = ZSTD_highbit32(remaining) + 1; 165| 24.2k| threshold = 1 << (nbBits - 1); 166| 24.2k| } 167| 62.9k| if (charnum >= maxSV1) break; ------------------ | Branch (167:17): [True: 0, False: 62.9k] ------------------ 168| | 169| 62.9k| if (LIKELY(ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | | 187| 125k|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 60.1k, False: 2.77k] | | ------------------ ------------------ | Branch (169:41): [True: 1.66k, False: 1.11k] ------------------ 170| 61.8k| ip += bitCount>>3; 171| 61.8k| bitCount &= 7; 172| 61.8k| } else { 173| 1.11k| bitCount -= (int)(8 * (iend - 4 - ip)); 174| 1.11k| bitCount &= 31; 175| 1.11k| ip = iend - 4; 176| 1.11k| } 177| 62.9k| bitStream = MEM_readLE32(ip) >> bitCount; 178| 62.9k| } } 179| 8.29k| if (remaining != 1) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (179:9): [True: 1, False: 8.29k] ------------------ 180| | /* Only possible when there are too many zeros. */ 181| 8.29k| if (charnum > maxSV1) return ERROR(maxSymbolValue_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (181:9): [True: 0, False: 8.29k] ------------------ 182| 8.29k| if (bitCount > 32) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (182:9): [True: 0, False: 8.29k] ------------------ 183| 8.29k| *maxSVPtr = charnum-1; 184| | 185| 8.29k| ip += (bitCount+7)>>3; 186| 8.29k| return ip-istart; 187| 8.29k|} entropy_common.c:FSE_readNCount_body_default: 193| 5.12k|{ 194| 5.12k| return FSE_readNCount_body(normalizedCounter, maxSVPtr, tableLogPtr, headerBuffer, hbSize); 195| 5.12k|} entropy_common.c:HUF_readStats_body_bmi2: 322| 3.92k|{ 323| 3.92k| return HUF_readStats_body(huffWeight, hwSize, rankStats, nbSymbolsPtr, tableLogPtr, src, srcSize, workSpace, wkspSize, 1); 324| 3.92k|} entropy_common.c:HUF_readStats_body: 248| 4.02k|{ 249| 4.02k| U32 weightTotal; 250| 4.02k| const BYTE* ip = (const BYTE*) src; 251| 4.02k| size_t iSize; 252| 4.02k| size_t oSize; 253| | 254| 4.02k| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (254:9): [True: 0, False: 4.02k] ------------------ 255| 4.02k| iSize = ip[0]; 256| | /* ZSTD_memset(huffWeight, 0, hwSize); *//* is not necessary, even though some analyzer complain ... */ 257| | 258| 4.02k| if (iSize >= 128) { /* special header */ ------------------ | Branch (258:9): [True: 45, False: 3.98k] ------------------ 259| 45| oSize = iSize - 127; 260| 45| iSize = ((oSize+1)/2); 261| 45| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (261:13): [True: 1, False: 44] ------------------ 262| 44| if (oSize >= hwSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (262:13): [True: 0, False: 44] ------------------ 263| 44| ip += 1; 264| 44| { U32 n; 265| 806| for (n=0; n> 4; 267| 762| huffWeight[n+1] = ip[n/2] & 15; 268| 762| } } } 269| 3.98k| else { /* header compressed with FSE (normal case) */ 270| 3.98k| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (270:13): [True: 2, False: 3.97k] ------------------ 271| | /* max (hwSize-1) values decoded, as last one is implied */ 272| 3.97k| oSize = FSE_decompress_wksp_bmi2(huffWeight, hwSize-1, ip+1, iSize, 6, workSpace, wkspSize, bmi2); 273| 3.97k| if (FSE_isError(oSize)) return oSize; ------------------ | Branch (273:13): [True: 19, False: 3.95k] ------------------ 274| 3.97k| } 275| | 276| | /* collect weight stats */ 277| 4.00k| ZSTD_memset(rankStats, 0, (HUF_TABLELOG_MAX + 1) * sizeof(U32)); ------------------ | | 46| 4.00k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 278| 4.00k| weightTotal = 0; 279| 393k| { U32 n; for (n=0; n HUF_TABLELOG_MAX) return ERROR(corruption_detected); ------------------ | | 37| 389k|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ ------------------ if (huffWeight[n] > HUF_TABLELOG_MAX) return ERROR(corruption_detected); ------------------ | | 49| 9|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 9|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 9|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (280:17): [True: 9, False: 389k] ------------------ 281| 389k| rankStats[huffWeight[n]]++; 282| 389k| weightTotal += (1 << huffWeight[n]) >> 1; 283| 389k| } } 284| 3.99k| if (weightTotal == 0) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (284:9): [True: 0, False: 3.99k] ------------------ 285| | 286| | /* get last non-null symbol weight (implied, total must be 2^n) */ 287| 3.99k| { U32 const tableLog = ZSTD_highbit32(weightTotal) + 1; 288| 3.99k| if (tableLog > HUF_TABLELOG_MAX) return ERROR(corruption_detected); ------------------ | | 37| 3.99k|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ ------------------ if (tableLog > HUF_TABLELOG_MAX) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (288:13): [True: 1, False: 3.99k] ------------------ 289| 3.99k| *tableLogPtr = tableLog; 290| | /* determine last weight */ 291| 3.99k| { U32 const total = 1 << tableLog; 292| 3.99k| U32 const rest = total - weightTotal; 293| 3.99k| U32 const verif = 1 << ZSTD_highbit32(rest); 294| 3.99k| U32 const lastWeight = ZSTD_highbit32(rest) + 1; 295| 3.99k| if (verif != rest) return ERROR(corruption_detected); /* last value must be a clean power of 2 */ ------------------ | | 49| 16|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 16|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 16|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (295:17): [True: 16, False: 3.97k] ------------------ 296| 3.97k| huffWeight[oSize] = (BYTE)lastWeight; 297| 3.97k| rankStats[lastWeight]++; 298| 3.97k| } } 299| | 300| | /* check tree construction validity */ 301| 3.97k| if ((rankStats[1] < 2) || (rankStats[1] & 1)) return ERROR(corruption_detected); /* by construction : at least 2 elts of rank 1, must be even */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (301:9): [True: 0, False: 3.97k] | Branch (301:31): [True: 0, False: 3.97k] ------------------ 302| | 303| | /* results */ 304| 3.97k| *nbSymbolsPtr = (U32)(oSize+1); 305| 3.97k| return iSize+1; 306| 3.97k|} entropy_common.c:HUF_readStats_body_default: 313| 100|{ 314| 100| return HUF_readStats_body(huffWeight, hwSize, rankStats, nbSymbolsPtr, tableLogPtr, src, srcSize, workSpace, wkspSize, 0); 315| 100|} zstd_common.c:ERR_isError: 52| 20.5k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 20.5k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 20.5k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 20.5k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_common.c:ERR_getErrorCode: 54| 17.7k|ERR_STATIC ERR_enum ERR_getErrorCode(size_t code) { if (!ERR_isError(code)) return (ERR_enum)0; return (ERR_enum) (0-code); } ------------------ | Branch (54:57): [True: 16.1k, False: 1.57k] ------------------ zstd_ddict.c:ERR_isError: 52| 1.67k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 1.67k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1.67k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1.67k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_decompress.c:ERR_isError: 52| 229k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 229k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 229k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 229k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_decompress_block.c:ERR_isError: 52| 4.71M|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 4.71M|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 4.71M|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 4.71M|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_v05.c:ERR_isError: 52| 2.97k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 2.97k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2.97k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2.97k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_v06.c:ERR_isError: 52| 1.11k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 1.11k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1.11k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1.11k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ zstd_v07.c:ERR_isError: 52| 1.07k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 1.07k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1.07k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1.07k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ entropy_common.c:ERR_isError: 52| 4.71k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 4.71k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 4.71k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 4.71k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ fse_decompress.c:ERR_isError: 52| 11.9k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 11.9k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 11.9k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 11.9k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ huf_decompress.c:ERR_isError: 52| 23.7k|ERR_STATIC unsigned ERR_isError(size_t code) { return (code > ERROR(maxCode)); } ------------------ | | 49| 23.7k|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 23.7k|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 23.7k|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ fse_decompress.c:FSE_initDState: 518| 7.92k|{ 519| 7.92k| const void* ptr = dt; 520| 7.92k| const FSE_DTableHeader* const DTableH = (const FSE_DTableHeader*)ptr; 521| 7.92k| DStatePtr->state = BIT_readBits(bitD, DTableH->tableLog); 522| 7.92k| BIT_reloadDStream(bitD); 523| 7.92k| DStatePtr->table = dt + 1; 524| 7.92k|} fse_decompress.c:FSE_decodeSymbolFast: 554| 47.3k|{ 555| 47.3k| FSE_decode_t const DInfo = ((const FSE_decode_t*)(DStatePtr->table))[DStatePtr->state]; 556| 47.3k| U32 const nbBits = DInfo.nbBits; 557| 47.3k| BYTE const symbol = DInfo.symbol; 558| 47.3k| size_t const lowBits = BIT_readBitsFast(bitD, nbBits); 559| | 560| 47.3k| DStatePtr->state = DInfo.newState + lowBits; 561| 47.3k| return symbol; 562| 47.3k|} fse_decompress.c:FSE_decodeSymbol: 541| 342k|{ 542| 342k| FSE_decode_t const DInfo = ((const FSE_decode_t*)(DStatePtr->table))[DStatePtr->state]; 543| 342k| U32 const nbBits = DInfo.nbBits; 544| 342k| BYTE const symbol = DInfo.symbol; 545| 342k| size_t const lowBits = BIT_readBits(bitD, nbBits); 546| | 547| 342k| DStatePtr->state = DInfo.newState + lowBits; 548| 342k| return symbol; 549| 342k|} FSE_decompress_wksp_bmi2: 305| 3.97k|{ 306| 3.97k|#if DYNAMIC_BMI2 307| 3.97k| if (bmi2) { ------------------ | Branch (307:9): [True: 3.91k, False: 64] ------------------ 308| 3.91k| return FSE_decompress_wksp_body_bmi2(dst, dstCapacity, cSrc, cSrcSize, maxLog, workSpace, wkspSize); 309| 3.91k| } 310| 64|#endif 311| 64| (void)bmi2; 312| 64| return FSE_decompress_wksp_body_default(dst, dstCapacity, cSrc, cSrcSize, maxLog, workSpace, wkspSize); 313| 3.97k|} fse_decompress.c:FSE_buildDTable_internal: 59| 3.96k|{ 60| 3.96k| void* const tdPtr = dt+1; /* because *dt is unsigned, 32-bits aligned on 32-bits */ 61| 3.96k| FSE_DECODE_TYPE* const tableDecode = (FSE_DECODE_TYPE*) (tdPtr); ------------------ | | 603| 3.96k|#define FSE_DECODE_TYPE FSE_decode_t ------------------ 62| 3.96k| U16* symbolNext = (U16*)workSpace; 63| 3.96k| BYTE* spread = (BYTE*)(symbolNext + maxSymbolValue + 1); 64| | 65| 3.96k| U32 const maxSV1 = maxSymbolValue + 1; 66| 3.96k| U32 const tableSize = 1 << tableLog; 67| 3.96k| U32 highThreshold = tableSize-1; 68| | 69| | /* Sanity Checks */ 70| 3.96k| if (FSE_BUILD_DTABLE_WKSP_SIZE(tableLog, maxSymbolValue) > wkspSize) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 267| 3.96k|#define FSE_BUILD_DTABLE_WKSP_SIZE(maxTableLog, maxSymbolValue) (sizeof(short) * (maxSymbolValue + 1) + (1ULL << maxTableLog) + 8) ------------------ if (FSE_BUILD_DTABLE_WKSP_SIZE(tableLog, maxSymbolValue) > wkspSize) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (70:9): [True: 0, False: 3.96k] ------------------ 71| 3.96k| if (maxSymbolValue > FSE_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 595| 3.96k|# define FSE_MAX_SYMBOL_VALUE 255 ------------------ if (maxSymbolValue > FSE_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (71:9): [True: 0, False: 3.96k] ------------------ 72| 3.96k| if (tableLog > FSE_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 612| 3.96k|#define FSE_MAX_TABLELOG (FSE_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 582| 3.96k|# define FSE_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ if (tableLog > FSE_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (72:9): [True: 0, False: 3.96k] ------------------ 73| | 74| | /* Init, lay down lowprob symbols */ 75| 3.96k| { FSE_DTableHeader DTableH; 76| 3.96k| DTableH.tableLog = (U16)tableLog; 77| 3.96k| DTableH.fastMode = 1; 78| 3.96k| { S16 const largeLimit= (S16)(1 << (tableLog-1)); 79| 3.96k| U32 s; 80| 26.0k| for (s=0; s= largeLimit) DTableH.fastMode=0; ------------------ | Branch (85:25): [True: 3.04k, False: 13.1k] ------------------ 86| 16.1k| symbolNext[s] = (U16)normalizedCounter[s]; 87| 16.1k| } } } 88| 3.96k| ZSTD_memcpy(dt, &DTableH, sizeof(DTableH)); ------------------ | | 44| 3.96k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 89| 3.96k| } 90| | 91| | /* Spread symbols */ 92| 3.96k| if (highThreshold == tableSize - 1) { ------------------ | Branch (92:9): [True: 2.05k, False: 1.91k] ------------------ 93| 2.05k| size_t const tableMask = tableSize-1; 94| 2.05k| size_t const step = FSE_TABLESTEP(tableSize); ------------------ | | 623| 2.05k|#define FSE_TABLESTEP(tableSize) (((tableSize)>>1) + ((tableSize)>>3) + 3) ------------------ 95| | /* First lay down the symbols in order. 96| | * We use a uint64_t to lay down 8 bytes at a time. This reduces branch 97| | * misses since small blocks generally have small table logs, so nearly 98| | * all symbols have counts <= 8. We ensure we have 8 bytes at the end of 99| | * our buffer to handle the over-write. 100| | */ 101| 2.05k| { U64 const add = 0x0101010101010101ull; 102| 2.05k| size_t pos = 0; 103| 2.05k| U64 sv = 0; 104| 2.05k| U32 s; 105| 7.28k| for (s=0; s>1) + ((tableSize)>>3) + 3) ------------------ 138| 1.91k| U32 s, position = 0; 139| 18.7k| for (s=0; s highThreshold) position = (position + step) & tableMask; /* lowprob area */ ------------------ | Branch (144:24): [True: 5.93k, False: 66.9k] ------------------ 145| 66.9k| } } 146| 1.91k| if (position!=0) return ERROR(GENERIC); /* position must reach all cells once, otherwise normalizedCounter is incorrect */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (146:13): [True: 0, False: 1.91k] ------------------ 147| 1.91k| } 148| | 149| | /* Build Decoding table */ 150| 3.96k| { U32 u; 151| 162k| for (u=0; uncount, &maxSymbolValue, &tableLog, istart, cSrcSize, bmi2); 266| 3.97k| if (FSE_isError(NCountLength)) return NCountLength; ------------------ | | 32| 3.97k|#define FSE_isError ERR_isError ------------------ | Branch (266:13): [True: 9, False: 3.96k] ------------------ 267| 3.96k| if (tableLog > maxLog) return ERROR(tableLog_tooLarge); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (267:13): [True: 3, False: 3.96k] ------------------ 268| 3.96k| assert(NCountLength <= cSrcSize); ------------------ | | 70| 3.96k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 269| 3.96k| ip += NCountLength; 270| 3.96k| cSrcSize -= NCountLength; 271| 3.96k| } 272| | 273| 3.96k| if (FSE_DECOMPRESS_WKSP_SIZE(tableLog, maxSymbolValue) > wkspSize) return ERROR(tableLog_tooLarge); ------------------ | | 273| 3.96k|#define FSE_DECOMPRESS_WKSP_SIZE(maxTableLog, maxSymbolValue) (FSE_DECOMPRESS_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) * sizeof(unsigned)) | | ------------------ | | | | 272| 3.96k|#define FSE_DECOMPRESS_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) (FSE_DTABLE_SIZE_U32(maxTableLog) + 1 + FSE_BUILD_DTABLE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) + (FSE_MAX_SYMBOL_VALUE + 1) / 2 + 1) | | | | ------------------ | | | | | | 241| 3.96k|#define FSE_DTABLE_SIZE_U32(maxTableLog) (1 + (1<<(maxTableLog))) | | | | ------------------ | | | | #define FSE_DECOMPRESS_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) (FSE_DTABLE_SIZE_U32(maxTableLog) + 1 + FSE_BUILD_DTABLE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) + (FSE_MAX_SYMBOL_VALUE + 1) / 2 + 1) | | | | ------------------ | | | | | | 268| 3.96k|#define FSE_BUILD_DTABLE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) ((FSE_BUILD_DTABLE_WKSP_SIZE(maxTableLog, maxSymbolValue) + sizeof(unsigned) - 1) / sizeof(unsigned)) | | | | | | ------------------ | | | | | | | | 267| 3.96k|#define FSE_BUILD_DTABLE_WKSP_SIZE(maxTableLog, maxSymbolValue) (sizeof(short) * (maxSymbolValue + 1) + (1ULL << maxTableLog) + 8) | | | | | | ------------------ | | | | ------------------ | | | | #define FSE_DECOMPRESS_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) (FSE_DTABLE_SIZE_U32(maxTableLog) + 1 + FSE_BUILD_DTABLE_WKSP_SIZE_U32(maxTableLog, maxSymbolValue) + (FSE_MAX_SYMBOL_VALUE + 1) / 2 + 1) | | | | ------------------ | | | | | | 595| 3.96k|# define FSE_MAX_SYMBOL_VALUE 255 | | | | ------------------ | | ------------------ ------------------ if (FSE_DECOMPRESS_WKSP_SIZE(tableLog, maxSymbolValue) > wkspSize) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (273:9): [True: 0, False: 3.96k] ------------------ 274| 3.96k| assert(sizeof(*wksp) + FSE_DTABLE_SIZE(tableLog) <= wkspSize); ------------------ | | 70| 3.96k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 275| 3.96k| workSpace = (BYTE*)workSpace + sizeof(*wksp) + FSE_DTABLE_SIZE(tableLog); ------------------ | | 245| 3.96k|#define FSE_DTABLE_SIZE(maxTableLog) (FSE_DTABLE_SIZE_U32(maxTableLog) * sizeof(FSE_DTable)) | | ------------------ | | | | 241| 3.96k|#define FSE_DTABLE_SIZE_U32(maxTableLog) (1 + (1<<(maxTableLog))) | | ------------------ ------------------ 276| 3.96k| wkspSize -= sizeof(*wksp) + FSE_DTABLE_SIZE(tableLog); ------------------ | | 245| 3.96k|#define FSE_DTABLE_SIZE(maxTableLog) (FSE_DTABLE_SIZE_U32(maxTableLog) * sizeof(FSE_DTable)) | | ------------------ | | | | 241| 3.96k|#define FSE_DTABLE_SIZE_U32(maxTableLog) (1 + (1<<(maxTableLog))) | | ------------------ ------------------ 277| | 278| 3.96k| CHECK_F( FSE_buildDTable_internal(dtable, wksp->ncount, maxSymbolValue, tableLog, workSpace, wkspSize) ); ------------------ | | 63| 3.96k|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 3.96k| size_t const e = f; \ | | | | 59| 3.96k| do { \ | | | | 60| 3.96k| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 3.96k] | | | | ------------------ | | | | 61| 3.96k| return e; \ | | | | 62| 3.96k| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 3.96k] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 3.96k] | | ------------------ ------------------ 279| | 280| 3.96k| { 281| 3.96k| const void* ptr = dtable; 282| 3.96k| const FSE_DTableHeader* DTableH = (const FSE_DTableHeader*)ptr; 283| 3.96k| const U32 fastMode = DTableH->fastMode; 284| | 285| | /* select fast mode (static) */ 286| 3.96k| if (fastMode) return FSE_decompress_usingDTable_generic(dst, dstCapacity, ip, cSrcSize, dtable, 1); ------------------ | Branch (286:13): [True: 917, False: 3.04k] ------------------ 287| 3.04k| return FSE_decompress_usingDTable_generic(dst, dstCapacity, ip, cSrcSize, dtable, 0); 288| 3.96k| } 289| 3.96k|} fse_decompress.c:FSE_decompress_usingDTable_generic: 177| 3.96k|{ 178| 3.96k| BYTE* const ostart = (BYTE*) dst; 179| 3.96k| BYTE* op = ostart; 180| 3.96k| BYTE* const omax = op + maxDstSize; 181| 3.96k| BYTE* const olimit = omax-3; 182| | 183| 3.96k| BIT_DStream_t bitD; 184| 3.96k| FSE_DState_t state1; 185| 3.96k| FSE_DState_t state2; 186| | 187| | /* Init */ 188| 3.96k| CHECK_F(BIT_initDStream(&bitD, cSrc, cSrcSize)); ------------------ | | 63| 3.96k|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 3.96k| size_t const e = f; \ | | | | 59| 3.96k| do { \ | | | | 60| 3.96k| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 5, False: 3.96k] | | | | ------------------ | | | | 61| 3.96k| return e; \ | | | | 62| 3.96k| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 3.96k] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 3.96k] | | ------------------ ------------------ 189| | 190| 3.96k| FSE_initDState(&state1, &bitD, dt); 191| 3.96k| FSE_initDState(&state2, &bitD, dt); 192| | 193| 3.96k| RETURN_ERROR_IF(BIT_reloadDStream(&bitD)==BIT_DStream_overflow, corruption_detected, ""); ------------------ | | 114| 3.96k| do { \ | | 115| 3.96k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 3.96k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 3.96k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.96k] | | ------------------ ------------------ 194| | 195| 3.96k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) 196| | 197| | /* 4 symbols per loop */ 198| 49.7k| for ( ; (BIT_reloadDStream(&bitD)==BIT_DStream_unfinished) & (op sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 612| 45.8k|#define FSE_MAX_TABLELOG (FSE_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 582| 45.8k|# define FSE_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (201:13): [Folded, False: 45.8k] ------------------ 202| 0| BIT_reloadDStream(&bitD); 203| | 204| 45.8k| op[1] = FSE_GETSYMBOL(&state2); ------------------ | | 195| 45.8k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 3.90k, False: 41.9k] | | ------------------ ------------------ 205| | 206| 45.8k| if (FSE_MAX_TABLELOG*4+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 612| 45.8k|#define FSE_MAX_TABLELOG (FSE_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 582| 45.8k|# define FSE_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (206:13): [Folded, False: 45.8k] ------------------ 207| 0| { if (BIT_reloadDStream(&bitD) > BIT_DStream_unfinished) { op+=2; break; } } ------------------ | Branch (207:19): [True: 0, False: 0] ------------------ 208| | 209| 45.8k| op[2] = FSE_GETSYMBOL(&state1); ------------------ | | 195| 45.8k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 3.90k, False: 41.9k] | | ------------------ ------------------ 210| | 211| 45.8k| if (FSE_MAX_TABLELOG*2+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 612| 45.8k|#define FSE_MAX_TABLELOG (FSE_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 582| 45.8k|# define FSE_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (211:13): [Folded, False: 45.8k] ------------------ 212| 0| BIT_reloadDStream(&bitD); 213| | 214| 45.8k| op[3] = FSE_GETSYMBOL(&state2); ------------------ | | 195| 45.8k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 3.90k, False: 41.9k] | | ------------------ ------------------ 215| 45.8k| } 216| | 217| | /* tail */ 218| | /* note : BIT_reloadDStream(&bitD) >= FSE_DStream_partiallyFilled; Ends at exactly BIT_DStream_completed */ 219| 102k| while (1) { ------------------ | Branch (219:12): [True: 102k, Folded] ------------------ 220| 102k| if (op>(omax-2)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (220:13): [True: 2, False: 102k] ------------------ 221| 102k| *op++ = FSE_GETSYMBOL(&state1); ------------------ | | 195| 102k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 15.6k, False: 86.6k] | | ------------------ ------------------ 222| 102k| if (BIT_reloadDStream(&bitD)==BIT_DStream_overflow) { ------------------ | Branch (222:13): [True: 2.09k, False: 100k] ------------------ 223| 2.09k| *op++ = FSE_GETSYMBOL(&state2); ------------------ | | 195| 2.09k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 439, False: 1.65k] | | ------------------ ------------------ 224| 2.09k| break; 225| 2.09k| } 226| | 227| 100k| if (op>(omax-2)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (227:13): [True: 0, False: 100k] ------------------ 228| 100k| *op++ = FSE_GETSYMBOL(&state2); ------------------ | | 195| 100k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 15.1k, False: 84.9k] | | ------------------ ------------------ 229| 100k| if (BIT_reloadDStream(&bitD)==BIT_DStream_overflow) { ------------------ | Branch (229:13): [True: 1.86k, False: 98.3k] ------------------ 230| 1.86k| *op++ = FSE_GETSYMBOL(&state1); ------------------ | | 195| 1.86k|#define FSE_GETSYMBOL(statePtr) fast ? FSE_decodeSymbolFast(statePtr, &bitD) : FSE_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (195:33): [True: 473, False: 1.39k] | | ------------------ ------------------ 231| 1.86k| break; 232| 1.86k| } } 233| | 234| 3.95k| assert(op >= ostart); ------------------ | | 70| 3.95k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 235| 3.95k| return (size_t)(op-ostart); 236| 3.96k|} fse_decompress.c:FSE_decompress_wksp_body_default: 293| 64|{ 294| 64| return FSE_decompress_wksp_body(dst, dstCapacity, cSrc, cSrcSize, maxLog, workSpace, wkspSize, 0); 295| 64|} zstd_ddict.c:MEM_readLE32: 322| 884|{ 323| 884| if (MEM_isLittleEndian()) ------------------ | Branch (323:9): [True: 884, False: 0] ------------------ 324| 884| return MEM_read32(memPtr); 325| 0| else 326| 0| return MEM_swap32(MEM_read32(memPtr)); 327| 884|} zstd_ddict.c:MEM_isLittleEndian: 141| 884|{ 142| 884|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 884| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 884|} zstd_ddict.c:MEM_read32: 183| 884|MEM_STATIC U32 MEM_read32(const void* ptr) { return *(const unalign32*)ptr; } zstd_decompress.c:MEM_readLE32: 322| 58.1k|{ 323| 58.1k| if (MEM_isLittleEndian()) ------------------ | Branch (323:9): [True: 58.1k, False: 0] ------------------ 324| 58.1k| return MEM_read32(memPtr); 325| 0| else 326| 0| return MEM_swap32(MEM_read32(memPtr)); 327| 58.1k|} zstd_decompress.c:MEM_isLittleEndian: 141| 61.5k|{ 142| 61.5k|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 61.5k| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 61.5k|} zstd_decompress.c:MEM_read32: 183| 58.1k|MEM_STATIC U32 MEM_read32(const void* ptr) { return *(const unalign32*)ptr; } zstd_decompress.c:MEM_readLE16: 290| 1.05k|{ 291| 1.05k| if (MEM_isLittleEndian()) ------------------ | Branch (291:9): [True: 1.05k, False: 0] ------------------ 292| 1.05k| return MEM_read16(memPtr); 293| 0| else { 294| 0| const BYTE* p = (const BYTE*)memPtr; 295| 0| return (U16)(p[0] + (p[1]<<8)); 296| 0| } 297| 1.05k|} zstd_decompress.c:MEM_read16: 182| 1.05k|MEM_STATIC U16 MEM_read16(const void* ptr) { return *(const unalign16*)ptr; } zstd_decompress.c:MEM_readLE64: 338| 2.32k|{ 339| 2.32k| if (MEM_isLittleEndian()) ------------------ | Branch (339:9): [True: 2.32k, False: 0] ------------------ 340| 2.32k| return MEM_read64(memPtr); 341| 0| else 342| 0| return MEM_swap64(MEM_read64(memPtr)); 343| 2.32k|} zstd_decompress.c:MEM_read64: 184| 2.32k|MEM_STATIC U64 MEM_read64(const void* ptr) { return *(const unalign64*)ptr; } zstd_decompress_block.c:MEM_readLE24: 311| 62.2k|{ 312| 62.2k| return (U32)MEM_readLE16(memPtr) + ((U32)(((const BYTE*)memPtr)[2]) << 16); 313| 62.2k|} zstd_decompress_block.c:MEM_readLE32: 322| 4.18k|{ 323| 4.18k| if (MEM_isLittleEndian()) ------------------ | Branch (323:9): [True: 4.18k, False: 0] ------------------ 324| 4.18k| return MEM_read32(memPtr); 325| 0| else 326| 0| return MEM_swap32(MEM_read32(memPtr)); 327| 4.18k|} zstd_decompress_block.c:MEM_isLittleEndian: 141| 4.58M|{ 142| 4.58M|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 4.58M| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 4.58M|} zstd_decompress_block.c:MEM_read32: 183| 4.18k|MEM_STATIC U32 MEM_read32(const void* ptr) { return *(const unalign32*)ptr; } zstd_decompress_block.c:MEM_write64: 189| 20.8k|MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(unalign64*)memPtr = value; } zstd_decompress_block.c:MEM_readLE16: 290| 63.2k|{ 291| 63.2k| if (MEM_isLittleEndian()) ------------------ | Branch (291:9): [True: 63.2k, False: 0] ------------------ 292| 63.2k| return MEM_read16(memPtr); 293| 0| else { 294| 0| const BYTE* p = (const BYTE*)memPtr; 295| 0| return (U16)(p[0] + (p[1]<<8)); 296| 0| } 297| 63.2k|} zstd_decompress_block.c:MEM_read16: 182| 63.2k|MEM_STATIC U16 MEM_read16(const void* ptr) { return *(const unalign16*)ptr; } zstd_decompress_block.c:MEM_32bits: 137| 31.4M|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } zstd_decompress_block.c:MEM_64bits: 138| 4.69M|MEM_STATIC unsigned MEM_64bits(void) { return sizeof(size_t)==8; } zstd_decompress_block.c:MEM_readLEST: 354| 4.51M|{ 355| 4.51M| if (MEM_32bits()) ------------------ | Branch (355:9): [True: 0, False: 4.51M] ------------------ 356| 0| return (size_t)MEM_readLE32(memPtr); 357| 4.51M| else 358| 4.51M| return (size_t)MEM_readLE64(memPtr); 359| 4.51M|} zstd_decompress_block.c:MEM_readLE64: 338| 4.51M|{ 339| 4.51M| if (MEM_isLittleEndian()) ------------------ | Branch (339:9): [True: 4.51M, False: 0] ------------------ 340| 4.51M| return MEM_read64(memPtr); 341| 0| else 342| 0| return MEM_swap64(MEM_read64(memPtr)); 343| 4.51M|} zstd_decompress_block.c:MEM_read64: 184| 4.51M|MEM_STATIC U64 MEM_read64(const void* ptr) { return *(const unalign64*)ptr; } zstd_v05.c:MEM_readLE32: 322| 1.53k|{ 323| 1.53k| if (MEM_isLittleEndian()) ------------------ | Branch (323:9): [True: 1.53k, False: 0] ------------------ 324| 1.53k| return MEM_read32(memPtr); 325| 0| else 326| 0| return MEM_swap32(MEM_read32(memPtr)); 327| 1.53k|} zstd_v05.c:MEM_isLittleEndian: 141| 2.97k|{ 142| 2.97k|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 2.97k| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 2.97k|} zstd_v05.c:MEM_read32: 183| 1.53k|MEM_STATIC U32 MEM_read32(const void* ptr) { return *(const unalign32*)ptr; } zstd_v05.c:MEM_readLEST: 354| 1.43k|{ 355| 1.43k| if (MEM_32bits()) ------------------ | Branch (355:9): [True: 0, False: 1.43k] ------------------ 356| 0| return (size_t)MEM_readLE32(memPtr); 357| 1.43k| else 358| 1.43k| return (size_t)MEM_readLE64(memPtr); 359| 1.43k|} zstd_v05.c:MEM_32bits: 137| 3.77k|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } zstd_v05.c:MEM_readLE64: 338| 1.43k|{ 339| 1.43k| if (MEM_isLittleEndian()) ------------------ | Branch (339:9): [True: 1.43k, False: 0] ------------------ 340| 1.43k| return MEM_read64(memPtr); 341| 0| else 342| 0| return MEM_swap64(MEM_read64(memPtr)); 343| 1.43k|} zstd_v05.c:MEM_read64: 184| 1.43k|MEM_STATIC U64 MEM_read64(const void* ptr) { return *(const unalign64*)ptr; } zstd_v05.c:MEM_readLE16: 290| 11|{ 291| 11| if (MEM_isLittleEndian()) ------------------ | Branch (291:9): [True: 11, False: 0] ------------------ 292| 11| return MEM_read16(memPtr); 293| 0| else { 294| 0| const BYTE* p = (const BYTE*)memPtr; 295| 0| return (U16)(p[0] + (p[1]<<8)); 296| 0| } 297| 11|} zstd_v05.c:MEM_read16: 182| 11|MEM_STATIC U16 MEM_read16(const void* ptr) { return *(const unalign16*)ptr; } zstd_v05.c:MEM_64bits: 138| 765|MEM_STATIC unsigned MEM_64bits(void) { return sizeof(size_t)==8; } entropy_common.c:MEM_readLE32: 322| 76.6k|{ 323| 76.6k| if (MEM_isLittleEndian()) ------------------ | Branch (323:9): [True: 76.6k, False: 0] ------------------ 324| 76.6k| return MEM_read32(memPtr); 325| 0| else 326| 0| return MEM_swap32(MEM_read32(memPtr)); 327| 76.6k|} entropy_common.c:MEM_isLittleEndian: 141| 76.6k|{ 142| 76.6k|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 76.6k| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 76.6k|} entropy_common.c:MEM_read32: 183| 76.6k|MEM_STATIC U32 MEM_read32(const void* ptr) { return *(const unalign32*)ptr; } fse_decompress.c:MEM_write64: 189| 13.5k|MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(unalign64*)memPtr = value; } fse_decompress.c:MEM_readLEST: 354| 60.0k|{ 355| 60.0k| if (MEM_32bits()) ------------------ | Branch (355:9): [True: 0, False: 60.0k] ------------------ 356| 0| return (size_t)MEM_readLE32(memPtr); 357| 60.0k| else 358| 60.0k| return (size_t)MEM_readLE64(memPtr); 359| 60.0k|} fse_decompress.c:MEM_32bits: 137| 60.0k|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } fse_decompress.c:MEM_isLittleEndian: 141| 60.0k|{ 142| 60.0k|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 60.0k| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 60.0k|} fse_decompress.c:MEM_readLE64: 338| 60.0k|{ 339| 60.0k| if (MEM_isLittleEndian()) ------------------ | Branch (339:9): [True: 60.0k, False: 0] ------------------ 340| 60.0k| return MEM_read64(memPtr); 341| 0| else 342| 0| return MEM_swap64(MEM_read64(memPtr)); 343| 60.0k|} fse_decompress.c:MEM_read64: 184| 60.0k|MEM_STATIC U64 MEM_read64(const void* ptr) { return *(const unalign64*)ptr; } huf_decompress.c:MEM_isLittleEndian: 141| 682k|{ 142| 682k|#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 143| 682k| return 1; 144| |#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) 145| | return 0; 146| |#elif defined(__clang__) && __LITTLE_ENDIAN__ 147| | return 1; 148| |#elif defined(__clang__) && __BIG_ENDIAN__ 149| | return 0; 150| |#elif defined(_MSC_VER) && (_M_X64 || _M_IX86) 151| | return 1; 152| |#elif defined(__DMC__) && defined(_M_IX86) 153| | return 1; 154| |#elif defined(__IAR_SYSTEMS_ICC__) && __LITTLE_ENDIAN__ 155| | return 1; 156| |#else 157| | const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 158| | return one.c[0]; 159| |#endif 160| 682k|} huf_decompress.c:MEM_write64: 189| 1.94M|MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(unalign64*)memPtr = value; } huf_decompress.c:MEM_readLEST: 354| 388k|{ 355| 388k| if (MEM_32bits()) ------------------ | Branch (355:9): [True: 0, False: 388k] ------------------ 356| 0| return (size_t)MEM_readLE32(memPtr); 357| 388k| else 358| 388k| return (size_t)MEM_readLE64(memPtr); 359| 388k|} huf_decompress.c:MEM_32bits: 137| 403k|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } huf_decompress.c:MEM_readLE64: 338| 388k|{ 339| 388k| if (MEM_isLittleEndian()) ------------------ | Branch (339:9): [True: 388k, False: 0] ------------------ 340| 388k| return MEM_read64(memPtr); 341| 0| else 342| 0| return MEM_swap64(MEM_read64(memPtr)); 343| 388k|} huf_decompress.c:MEM_read64: 184| 388k|MEM_STATIC U64 MEM_read64(const void* ptr) { return *(const unalign64*)ptr; } huf_decompress.c:MEM_64bits: 138| 556k|MEM_STATIC unsigned MEM_64bits(void) { return sizeof(size_t)==8; } huf_decompress.c:MEM_readLE16: 290| 8.93k|{ 291| 8.93k| if (MEM_isLittleEndian()) ------------------ | Branch (291:9): [True: 8.93k, False: 0] ------------------ 292| 8.93k| return MEM_read16(memPtr); 293| 0| else { 294| 0| const BYTE* p = (const BYTE*)memPtr; 295| 0| return (U16)(p[0] + (p[1]<<8)); 296| 0| } 297| 8.93k|} huf_decompress.c:MEM_read16: 182| 8.93k|MEM_STATIC U16 MEM_read16(const void* ptr) { return *(const unalign16*)ptr; } ZSTD_XXH64_reset: 3561| 867|{ 3562| 867| XXH_ASSERT(statePtr != NULL); ------------------ | | 2430| 867|# define XXH_ASSERT(c) XXH_ASSUME(c) | | ------------------ | | | | 2707| 867|# define XXH_ASSUME(c) __builtin_assume(c) | | ------------------ ------------------ 3563| 867| memset(statePtr, 0, sizeof(*statePtr)); 3564| 867| statePtr->v[0] = seed + XXH_PRIME64_1 + XXH_PRIME64_2; ------------------ | | 3361| 867|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ statePtr->v[0] = seed + XXH_PRIME64_1 + XXH_PRIME64_2; ------------------ | | 3362| 867|#define XXH_PRIME64_2 0xC2B2AE3D27D4EB4FULL /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */ ------------------ 3565| 867| statePtr->v[1] = seed + XXH_PRIME64_2; ------------------ | | 3362| 867|#define XXH_PRIME64_2 0xC2B2AE3D27D4EB4FULL /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */ ------------------ 3566| 867| statePtr->v[2] = seed + 0; 3567| 867| statePtr->v[3] = seed - XXH_PRIME64_1; ------------------ | | 3361| 867|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ 3568| 867| return XXH_OK; 3569| 867|} ZSTD_XXH64_update: 3574| 15.4k|{ 3575| 15.4k| if (input==NULL) { ------------------ | Branch (3575:9): [True: 0, False: 15.4k] ------------------ 3576| 0| XXH_ASSERT(len == 0); ------------------ | | 2430| 0|# define XXH_ASSERT(c) XXH_ASSUME(c) | | ------------------ | | | | 2707| 0|# define XXH_ASSUME(c) __builtin_assume(c) | | ------------------ ------------------ 3577| 0| return XXH_OK; 3578| 0| } 3579| | 3580| 15.4k| { const xxh_u8* p = (const xxh_u8*)input; 3581| 15.4k| const xxh_u8* const bEnd = p + len; 3582| | 3583| 15.4k| state->total_len += len; 3584| | 3585| 15.4k| if (state->memsize + len < 32) { /* fill in tmp buffer */ ------------------ | Branch (3585:13): [True: 11.3k, False: 4.08k] ------------------ 3586| 11.3k| XXH_memcpy(((xxh_u8*)state->mem64) + state->memsize, input, len); 3587| 11.3k| state->memsize += (xxh_u32)len; 3588| 11.3k| return XXH_OK; 3589| 11.3k| } 3590| | 3591| 4.08k| if (state->memsize) { /* tmp buffer is full */ ------------------ | Branch (3591:13): [True: 3.67k, False: 407] ------------------ 3592| 3.67k| XXH_memcpy(((xxh_u8*)state->mem64) + state->memsize, input, 32-state->memsize); 3593| 3.67k| state->v[0] = XXH64_round(state->v[0], XXH_readLE64(state->mem64+0)); 3594| 3.67k| state->v[1] = XXH64_round(state->v[1], XXH_readLE64(state->mem64+1)); 3595| 3.67k| state->v[2] = XXH64_round(state->v[2], XXH_readLE64(state->mem64+2)); 3596| 3.67k| state->v[3] = XXH64_round(state->v[3], XXH_readLE64(state->mem64+3)); 3597| 3.67k| p += 32 - state->memsize; 3598| 3.67k| state->memsize = 0; 3599| 3.67k| } 3600| | 3601| 4.08k| if (p+32 <= bEnd) { ------------------ | Branch (3601:13): [True: 3.14k, False: 943] ------------------ 3602| 3.14k| const xxh_u8* const limit = bEnd - 32; 3603| | 3604| 200k| do { 3605| 200k| state->v[0] = XXH64_round(state->v[0], XXH_readLE64(p)); p+=8; 3606| 200k| state->v[1] = XXH64_round(state->v[1], XXH_readLE64(p)); p+=8; 3607| 200k| state->v[2] = XXH64_round(state->v[2], XXH_readLE64(p)); p+=8; 3608| 200k| state->v[3] = XXH64_round(state->v[3], XXH_readLE64(p)); p+=8; 3609| 200k| } while (p<=limit); ------------------ | Branch (3609:22): [True: 197k, False: 3.14k] ------------------ 3610| | 3611| 3.14k| } 3612| | 3613| 4.08k| if (p < bEnd) { ------------------ | Branch (3613:13): [True: 3.57k, False: 504] ------------------ 3614| 3.57k| XXH_memcpy(state->mem64, p, (size_t)(bEnd-p)); 3615| 3.57k| state->memsize = (unsigned)(bEnd-p); 3616| 3.57k| } 3617| 4.08k| } 3618| | 3619| 0| return XXH_OK; 3620| 15.4k|} ZSTD_XXH64_digest: 3625| 21|{ 3626| 21| xxh_u64 h64; 3627| | 3628| 21| if (state->total_len >= 32) { ------------------ | Branch (3628:9): [True: 19, False: 2] ------------------ 3629| 19| h64 = XXH_rotl64(state->v[0], 1) + XXH_rotl64(state->v[1], 7) + XXH_rotl64(state->v[2], 12) + XXH_rotl64(state->v[3], 18); ------------------ | | 2728| 19|# define XXH_rotl64 __builtin_rotateleft64 ------------------ h64 = XXH_rotl64(state->v[0], 1) + XXH_rotl64(state->v[1], 7) + XXH_rotl64(state->v[2], 12) + XXH_rotl64(state->v[3], 18); ------------------ | | 2728| 19|# define XXH_rotl64 __builtin_rotateleft64 ------------------ h64 = XXH_rotl64(state->v[0], 1) + XXH_rotl64(state->v[1], 7) + XXH_rotl64(state->v[2], 12) + XXH_rotl64(state->v[3], 18); ------------------ | | 2728| 19|# define XXH_rotl64 __builtin_rotateleft64 ------------------ h64 = XXH_rotl64(state->v[0], 1) + XXH_rotl64(state->v[1], 7) + XXH_rotl64(state->v[2], 12) + XXH_rotl64(state->v[3], 18); ------------------ | | 2728| 19|# define XXH_rotl64 __builtin_rotateleft64 ------------------ 3630| 19| h64 = XXH64_mergeRound(h64, state->v[0]); 3631| 19| h64 = XXH64_mergeRound(h64, state->v[1]); 3632| 19| h64 = XXH64_mergeRound(h64, state->v[2]); 3633| 19| h64 = XXH64_mergeRound(h64, state->v[3]); 3634| 19| } else { 3635| 2| h64 = state->v[2] /*seed*/ + XXH_PRIME64_5; ------------------ | | 3365| 2|#define XXH_PRIME64_5 0x27D4EB2F165667C5ULL /*!< 0b0010011111010100111010110010111100010110010101100110011111000101 */ ------------------ 3636| 2| } 3637| | 3638| 21| h64 += (xxh_u64) state->total_len; 3639| | 3640| 21| return XXH64_finalize(h64, (const xxh_u8*)state->mem64, (size_t)state->total_len, XXH_aligned); 3641| 21|} xxhash.c:XXH_readLE32_align: 2813| 10|{ 2814| 10| if (align==XXH_unaligned) { ------------------ | Branch (2814:9): [True: 0, False: 10] ------------------ 2815| 0| return XXH_readLE32(ptr); 2816| 10| } else { 2817| 10| return XXH_CPU_LITTLE_ENDIAN ? *(const xxh_u32*)ptr : XXH_swap32(*(const xxh_u32*)ptr); ------------------ | | 2629| 10|# define XXH_CPU_LITTLE_ENDIAN 1 | | ------------------ | | | Branch (2629:35): [True: 10, Folded] | | ------------------ ------------------ 2818| 10| } 2819| 10|} xxhash.c:XXH_memcpy: 2359| 18.5k|{ 2360| 18.5k| return memcpy(dest,src,size); 2361| 18.5k|} xxhash.c:XXH_readLE64_align: 3343| 33|{ 3344| 33| if (align==XXH_unaligned) ------------------ | Branch (3344:9): [True: 0, False: 33] ------------------ 3345| 0| return XXH_readLE64(ptr); 3346| 33| else 3347| 33| return XXH_CPU_LITTLE_ENDIAN ? *(const xxh_u64*)ptr : XXH_swap64(*(const xxh_u64*)ptr); ------------------ | | 2629| 33|# define XXH_CPU_LITTLE_ENDIAN 1 | | ------------------ | | | Branch (2629:35): [True: 33, Folded] | | ------------------ ------------------ 3348| 33|} xxhash.c:XXH64_round: 3377| 818k|{ 3378| 818k| acc += input * XXH_PRIME64_2; ------------------ | | 3362| 818k|#define XXH_PRIME64_2 0xC2B2AE3D27D4EB4FULL /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */ ------------------ 3379| 818k| acc = XXH_rotl64(acc, 31); ------------------ | | 2728| 818k|# define XXH_rotl64 __builtin_rotateleft64 ------------------ 3380| 818k| acc *= XXH_PRIME64_1; ------------------ | | 3361| 818k|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ 3381| |#if (defined(__AVX512F__)) && !defined(XXH_ENABLE_AUTOVECTORIZE) 3382| | /* 3383| | * DISABLE AUTOVECTORIZATION: 3384| | * A compiler fence is used to prevent GCC and Clang from 3385| | * autovectorizing the XXH64 loop (pragmas and attributes don't work for some 3386| | * reason) without globally disabling AVX512. 3387| | * 3388| | * Autovectorization of XXH64 tends to be detrimental, 3389| | * though the exact outcome may change depending on exact cpu and compiler version. 3390| | * For information, it has been reported as detrimental for Skylake-X, 3391| | * but possibly beneficial for Zen4. 3392| | * 3393| | * The default is to disable auto-vectorization, 3394| | * but you can select to enable it instead using `XXH_ENABLE_AUTOVECTORIZE` build variable. 3395| | */ 3396| | XXH_COMPILER_GUARD(acc); 3397| |#endif 3398| 818k| return acc; 3399| 818k|} xxhash.c:XXH_readLE64: 3331| 818k|{ 3332| 818k| return XXH_CPU_LITTLE_ENDIAN ? XXH_read64(ptr) : XXH_swap64(XXH_read64(ptr)); ------------------ | | 2629| 818k|# define XXH_CPU_LITTLE_ENDIAN 1 | | ------------------ | | | Branch (2629:35): [True: 818k, Folded] | | ------------------ ------------------ 3333| 818k|} xxhash.c:XXH_read64: 3261| 818k|{ 3262| 818k| typedef __attribute__((aligned(1))) xxh_u64 xxh_unalign64; 3263| 818k| return *((const xxh_unalign64*)ptr); 3264| 818k|} xxhash.c:XXH64_mergeRound: 3402| 76|{ 3403| 76| val = XXH64_round(0, val); 3404| 76| acc ^= val; 3405| 76| acc = acc * XXH_PRIME64_1 + XXH_PRIME64_4; ------------------ | | 3361| 76|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ acc = acc * XXH_PRIME64_1 + XXH_PRIME64_4; ------------------ | | 3364| 76|#define XXH_PRIME64_4 0x85EBCA77C2B2AE63ULL /*!< 0b1000010111101011110010100111011111000010101100101010111001100011 */ ------------------ 3406| 76| return acc; 3407| 76|} xxhash.c:XXH64_finalize: 3440| 21|{ 3441| 21| if (ptr==NULL) XXH_ASSERT(len == 0); ------------------ | | 2430| 0|# define XXH_ASSERT(c) XXH_ASSUME(c) | | ------------------ | | | | 2707| 0|# define XXH_ASSUME(c) __builtin_assume(c) | | ------------------ ------------------ | Branch (3441:9): [True: 0, False: 21] ------------------ 3442| 21| len &= 31; 3443| 54| while (len >= 8) { ------------------ | Branch (3443:12): [True: 33, False: 21] ------------------ 3444| 33| xxh_u64 const k1 = XXH64_round(0, XXH_get64bits(ptr)); ------------------ | | 3421| 33|#define XXH_get64bits(p) XXH_readLE64_align(p, align) ------------------ 3445| 33| ptr += 8; 3446| 33| hash ^= k1; 3447| 33| hash = XXH_rotl64(hash,27) * XXH_PRIME64_1 + XXH_PRIME64_4; ------------------ | | 2728| 33|# define XXH_rotl64 __builtin_rotateleft64 ------------------ hash = XXH_rotl64(hash,27) * XXH_PRIME64_1 + XXH_PRIME64_4; ------------------ | | 3361| 33|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ hash = XXH_rotl64(hash,27) * XXH_PRIME64_1 + XXH_PRIME64_4; ------------------ | | 3364| 33|#define XXH_PRIME64_4 0x85EBCA77C2B2AE63ULL /*!< 0b1000010111101011110010100111011111000010101100101010111001100011 */ ------------------ 3448| 33| len -= 8; 3449| 33| } 3450| 21| if (len >= 4) { ------------------ | Branch (3450:9): [True: 10, False: 11] ------------------ 3451| 10| hash ^= (xxh_u64)(XXH_get32bits(ptr)) * XXH_PRIME64_1; ------------------ | | 2933| 10|#define XXH_get32bits(p) XXH_readLE32_align(p, align) ------------------ hash ^= (xxh_u64)(XXH_get32bits(ptr)) * XXH_PRIME64_1; ------------------ | | 3361| 10|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ 3452| 10| ptr += 4; 3453| 10| hash = XXH_rotl64(hash, 23) * XXH_PRIME64_2 + XXH_PRIME64_3; ------------------ | | 2728| 10|# define XXH_rotl64 __builtin_rotateleft64 ------------------ hash = XXH_rotl64(hash, 23) * XXH_PRIME64_2 + XXH_PRIME64_3; ------------------ | | 3362| 10|#define XXH_PRIME64_2 0xC2B2AE3D27D4EB4FULL /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */ ------------------ hash = XXH_rotl64(hash, 23) * XXH_PRIME64_2 + XXH_PRIME64_3; ------------------ | | 3363| 10|#define XXH_PRIME64_3 0x165667B19E3779F9ULL /*!< 0b0001011001010110011001111011000110011110001101110111100111111001 */ ------------------ 3454| 10| len -= 4; 3455| 10| } 3456| 45| while (len > 0) { ------------------ | Branch (3456:12): [True: 24, False: 21] ------------------ 3457| 24| hash ^= (*ptr++) * XXH_PRIME64_5; ------------------ | | 3365| 24|#define XXH_PRIME64_5 0x27D4EB2F165667C5ULL /*!< 0b0010011111010100111010110010111100010110010101100110011111000101 */ ------------------ 3458| 24| hash = XXH_rotl64(hash, 11) * XXH_PRIME64_1; ------------------ | | 2728| 24|# define XXH_rotl64 __builtin_rotateleft64 ------------------ hash = XXH_rotl64(hash, 11) * XXH_PRIME64_1; ------------------ | | 3361| 24|#define XXH_PRIME64_1 0x9E3779B185EBCA87ULL /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */ ------------------ 3459| 24| --len; 3460| 24| } 3461| 21| return XXH64_avalanche(hash); 3462| 21|} xxhash.c:XXH64_avalanche: 3411| 21|{ 3412| 21| hash ^= hash >> 33; 3413| 21| hash *= XXH_PRIME64_2; ------------------ | | 3362| 21|#define XXH_PRIME64_2 0xC2B2AE3D27D4EB4FULL /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */ ------------------ 3414| 21| hash ^= hash >> 29; 3415| 21| hash *= XXH_PRIME64_3; ------------------ | | 3363| 21|#define XXH_PRIME64_3 0x165667B19E3779F9ULL /*!< 0b0001011001010110011001111011000110011110001101110111100111111001 */ ------------------ 3416| 21| hash ^= hash >> 32; 3417| 21| return hash; 3418| 21|} ZSTD_isError: 36| 2.82k|unsigned ZSTD_isError(size_t code) { return ERR_isError(code); } ZSTD_getErrorCode: 44| 17.7k|ZSTD_ErrorCode ZSTD_getErrorCode(size_t code) { return ERR_getErrorCode(code); } zstd_decompress.c:ZSTD_cpuSupportsBmi2: 319| 1.87k|{ 320| 1.87k| ZSTD_cpuid_t cpuid = ZSTD_cpuid(); 321| 1.87k| return ZSTD_cpuid_bmi1(cpuid) && ZSTD_cpuid_bmi2(cpuid); ------------------ | Branch (321:12): [True: 1.87k, False: 0] | Branch (321:38): [True: 1.87k, False: 0] ------------------ 322| 1.87k|} zstd_decompress_block.c:ZSTD_wildcopy: 217| 3.35M|{ 218| 3.35M| ptrdiff_t diff = (BYTE*)dst - (const BYTE*)src; 219| 3.35M| const BYTE* ip = (const BYTE*)src; 220| 3.35M| BYTE* op = (BYTE*)dst; 221| 3.35M| BYTE* const oend = op + length; 222| | 223| 3.35M| if (ovtype == ZSTD_overlap_src_before_dst && diff < WILDCOPY_VECLEN) { ------------------ | | 200| 135k|#define WILDCOPY_VECLEN 16 ------------------ | Branch (223:9): [True: 135k, False: 3.22M] | Branch (223:50): [True: 135k, False: 170] ------------------ 224| | /* Handle short offset copies. */ 225| 1.18M| do { 226| 1.18M| COPY8(op, ip); ------------------ | | 177| 1.18M|#define COPY8(d,s) do { ZSTD_copy8(d,s); d+=8; s+=8; } while (0) | | ------------------ | | | Branch (177:63): [Folded, False: 1.18M] | | ------------------ ------------------ 227| 1.18M| } while (op < oend); ------------------ | Branch (227:18): [True: 1.04M, False: 135k] ------------------ 228| 3.22M| } else { 229| 3.22M| assert(diff >= WILDCOPY_VECLEN || diff <= -WILDCOPY_VECLEN); ------------------ | | 70| 3.22M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 230| | /* Separate out the first COPY16() call because the copy length is 231| | * almost certain to be short, so the branches have different 232| | * probabilities. Since it is almost certain to be short, only do 233| | * one COPY16() in the first call. Then, do two calls per loop since 234| | * at that point it is more likely to have a high trip count. 235| | */ 236| 3.22M| ZSTD_copy16(op, ip); 237| 3.22M| if (16 >= length) return; ------------------ | Branch (237:13): [True: 3.11M, False: 113k] ------------------ 238| 113k| op += 16; 239| 113k| ip += 16; 240| 816k| do { 241| 816k| COPY16(op, ip); ------------------ | | 197| 816k|#define COPY16(d,s) do { ZSTD_copy16(d,s); d+=16; s+=16; } while (0) | | ------------------ | | | Branch (197:67): [Folded, False: 816k] | | ------------------ ------------------ 242| 816k| COPY16(op, ip); ------------------ | | 197| 816k|#define COPY16(d,s) do { ZSTD_copy16(d,s); d+=16; s+=16; } while (0) | | ------------------ | | | Branch (197:67): [Folded, False: 816k] | | ------------------ ------------------ 243| 816k| } 244| 816k| while (op < oend); ------------------ | Branch (244:16): [True: 702k, False: 113k] ------------------ 245| 113k| } 246| 3.35M|} zstd_decompress_block.c:ZSTD_copy8: 170| 1.95M|static void ZSTD_copy8(void* dst, const void* src) { 171| |#if defined(ZSTD_ARCH_ARM_NEON) 172| | vst1_u8((uint8_t*)dst, vld1_u8((const uint8_t*)src)); 173| |#else 174| 1.95M| ZSTD_memcpy(dst, src, 8); ------------------ | | 44| 1.95M|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 175| 1.95M|#endif 176| 1.95M|} zstd_decompress_block.c:ZSTD_copy16: 183| 9.50M|static void ZSTD_copy16(void* dst, const void* src) { 184| |#if defined(ZSTD_ARCH_ARM_NEON) 185| | vst1q_u8((uint8_t*)dst, vld1q_u8((const uint8_t*)src)); 186| |#elif defined(ZSTD_ARCH_X86_SSE2) 187| | _mm_storeu_si128((__m128i*)dst, _mm_loadu_si128((const __m128i*)src)); 188| |#elif defined(__clang__) 189| | ZSTD_memmove(dst, src, 16); 190| |#else 191| | /* ZSTD_memmove is not inlined properly by gcc */ 192| | BYTE copy16_buf[16]; 193| | ZSTD_memcpy(copy16_buf, src, 16); 194| | ZSTD_memcpy(dst, copy16_buf, 16); 195| |#endif 196| 9.50M|} HUF_readDTableX1_wksp: 386| 3.82k|{ 387| 3.82k| U32 tableLog = 0; 388| 3.82k| U32 nbSymbols = 0; 389| 3.82k| size_t iSize; 390| 3.82k| void* const dtPtr = DTable + 1; 391| 3.82k| HUF_DEltX1* const dt = (HUF_DEltX1*)dtPtr; 392| 3.82k| HUF_ReadDTableX1_Workspace* wksp = (HUF_ReadDTableX1_Workspace*)workSpace; 393| | 394| 3.82k| DEBUG_STATIC_ASSERT(HUF_DECOMPRESS_WORKSPACE_SIZE >= sizeof(*wksp)); ------------------ | | 39| 3.82k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 395| 3.82k| if (sizeof(*wksp) > wkspSize) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (395:9): [True: 0, False: 3.82k] ------------------ 396| | 397| 3.82k| DEBUG_STATIC_ASSERT(sizeof(DTableDesc) == sizeof(HUF_DTable)); ------------------ | | 39| 3.82k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 398| | /* ZSTD_memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */ 399| | 400| 3.82k| iSize = HUF_readStats_wksp(wksp->huffWeight, HUF_SYMBOLVALUE_MAX + 1, wksp->rankVal, &nbSymbols, &tableLog, src, srcSize, wksp->statsWksp, sizeof(wksp->statsWksp), flags); ------------------ | | 39| 3.82k|#define HUF_SYMBOLVALUE_MAX 255 ------------------ 401| 3.82k| if (HUF_isError(iSize)) return iSize; ------------------ | | 78| 3.82k|#define HUF_isError ERR_isError ------------------ | Branch (401:9): [True: 40, False: 3.78k] ------------------ 402| | 403| | 404| | /* Table header */ 405| 3.78k| { DTableDesc dtd = HUF_getDTableDesc(DTable); 406| 3.78k| U32 const maxTableLog = dtd.maxTableLog + 1; 407| 3.78k| U32 const targetTableLog = MIN(maxTableLog, HUF_DECODER_FAST_TABLELOG); ------------------ | | 54| 3.78k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 0, False: 3.78k] | | ------------------ ------------------ 408| 3.78k| tableLog = HUF_rescaleStats(wksp->huffWeight, wksp->rankVal, nbSymbols, tableLog, targetTableLog); 409| 3.78k| if (tableLog > (U32)(dtd.maxTableLog+1)) return ERROR(tableLog_tooLarge); /* DTable too small, Huffman tree cannot fit in */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (409:13): [True: 0, False: 3.78k] ------------------ 410| 3.78k| dtd.tableType = 0; 411| 3.78k| dtd.tableLog = (BYTE)tableLog; 412| 3.78k| ZSTD_memcpy(DTable, &dtd, sizeof(dtd)); ------------------ | | 44| 3.78k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 413| 3.78k| } 414| | 415| | /* Compute symbols and rankStart given rankVal: 416| | * 417| | * rankVal already contains the number of values of each weight. 418| | * 419| | * symbols contains the symbols ordered by weight. First are the rankVal[0] 420| | * weight 0 symbols, followed by the rankVal[1] weight 1 symbols, and so on. 421| | * symbols[0] is filled (but unused) to avoid a branch. 422| | * 423| | * rankStart contains the offset where each rank belongs in the DTable. 424| | * rankStart[0] is not filled because there are no entries in the table for 425| | * weight 0. 426| | */ 427| 0| { int n; 428| 3.78k| U32 nextRankStart = 0; 429| 3.78k| int const unroll = 4; 430| 3.78k| int const nLimit = (int)nbSymbols - unroll + 1; 431| 49.1k| for (n=0; n<(int)tableLog+1; n++) { ------------------ | Branch (431:19): [True: 45.3k, False: 3.78k] ------------------ 432| 45.3k| U32 const curr = nextRankStart; 433| 45.3k| nextRankStart += wksp->rankVal[n]; 434| 45.3k| wksp->rankStart[n] = curr; 435| 45.3k| } 436| 95.7k| for (n=0; n < nLimit; n += unroll) { ------------------ | Branch (436:19): [True: 92.0k, False: 3.78k] ------------------ 437| 92.0k| int u; 438| 460k| for (u=0; u < unroll; ++u) { ------------------ | Branch (438:23): [True: 368k, False: 92.0k] ------------------ 439| 368k| size_t const w = wksp->huffWeight[n+u]; 440| 368k| wksp->symbols[wksp->rankStart[w]++] = (BYTE)(n+u); 441| 368k| } 442| 92.0k| } 443| 8.86k| for (; n < (int)nbSymbols; ++n) { ------------------ | Branch (443:16): [True: 5.08k, False: 3.78k] ------------------ 444| 5.08k| size_t const w = wksp->huffWeight[n]; 445| 5.08k| wksp->symbols[wksp->rankStart[w]++] = (BYTE)n; 446| 5.08k| } 447| 3.78k| } 448| | 449| | /* fill DTable 450| | * We fill all entries of each weight in order. 451| | * That way length is a constant for each iteration of the outer loop. 452| | * We can switch based on the length to a different inner loop which is 453| | * optimized for that particular case. 454| | */ 455| 3.78k| { U32 w; 456| 3.78k| int symbol = wksp->rankVal[0]; 457| 3.78k| int rankStart = 0; 458| 45.3k| for (w=1; wrankVal[w]; 460| 41.6k| int const length = (1 << w) >> 1; 461| 41.6k| int uStart = rankStart; 462| 41.6k| BYTE const nbBits = (BYTE)(tableLog + 1 - w); 463| 41.6k| int s; 464| 41.6k| int u; 465| 41.6k| switch (length) { 466| 3.78k| case 1: ------------------ | Branch (466:13): [True: 3.78k, False: 37.8k] ------------------ 467| 10.0k| for (s=0; ssymbols[symbol + s]; 470| 6.23k| D.nbBits = nbBits; 471| 6.23k| dt[uStart] = D; 472| 6.23k| uStart += 1; 473| 6.23k| } 474| 3.78k| break; 475| 3.78k| case 2: ------------------ | Branch (475:13): [True: 3.78k, False: 37.8k] ------------------ 476| 6.10k| for (s=0; ssymbols[symbol + s]; 479| 2.32k| D.nbBits = nbBits; 480| 2.32k| dt[uStart+0] = D; 481| 2.32k| dt[uStart+1] = D; 482| 2.32k| uStart += 2; 483| 2.32k| } 484| 3.78k| break; 485| 3.78k| case 4: ------------------ | Branch (485:13): [True: 3.78k, False: 37.8k] ------------------ 486| 5.60k| for (s=0; ssymbols[symbol + s], nbBits); 488| 1.82k| MEM_write64(dt + uStart, D4); 489| 1.82k| uStart += 4; 490| 1.82k| } 491| 3.78k| break; 492| 3.78k| case 8: ------------------ | Branch (492:13): [True: 3.78k, False: 37.8k] ------------------ 493| 13.1k| for (s=0; ssymbols[symbol + s], nbBits); 495| 9.33k| MEM_write64(dt + uStart, D4); 496| 9.33k| MEM_write64(dt + uStart + 4, D4); 497| 9.33k| uStart += 8; 498| 9.33k| } 499| 3.78k| break; 500| 26.4k| default: ------------------ | Branch (500:13): [True: 26.4k, False: 15.1k] ------------------ 501| 218k| for (s=0; ssymbols[symbol + s], nbBits); 503| 674k| for (u=0; u < length; u += 16) { ------------------ | Branch (503:31): [True: 481k, False: 192k] ------------------ 504| 481k| MEM_write64(dt + uStart + u + 0, D4); 505| 481k| MEM_write64(dt + uStart + u + 4, D4); 506| 481k| MEM_write64(dt + uStart + u + 8, D4); 507| 481k| MEM_write64(dt + uStart + u + 12, D4); 508| 481k| } 509| 192k| assert(u == length); ------------------ | | 70| 192k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 510| 192k| uStart += length; 511| 192k| } 512| 26.4k| break; 513| 41.6k| } 514| 41.6k| symbol += symbolCount; 515| 41.6k| rankStart += symbolCount * length; 516| 41.6k| } 517| 3.78k| } 518| 3.78k| return iSize; 519| 3.78k|} HUF_readDTableX2_wksp: 1182| 205|{ 1183| 205| U32 tableLog, maxW, nbSymbols; 1184| 205| DTableDesc dtd = HUF_getDTableDesc(DTable); 1185| 205| U32 maxTableLog = dtd.maxTableLog; 1186| 205| size_t iSize; 1187| 205| void* dtPtr = DTable+1; /* force compiler to avoid strict-aliasing */ 1188| 205| HUF_DEltX2* const dt = (HUF_DEltX2*)dtPtr; 1189| 205| U32 *rankStart; 1190| | 1191| 205| HUF_ReadDTableX2_Workspace* const wksp = (HUF_ReadDTableX2_Workspace*)workSpace; 1192| | 1193| 205| if (sizeof(*wksp) > wkspSize) return ERROR(GENERIC); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1193:9): [True: 0, False: 205] ------------------ 1194| | 1195| 205| rankStart = wksp->rankStart0 + 1; 1196| 205| ZSTD_memset(wksp->rankStats, 0, sizeof(wksp->rankStats)); ------------------ | | 46| 205|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 1197| 205| ZSTD_memset(wksp->rankStart0, 0, sizeof(wksp->rankStart0)); ------------------ | | 46| 205|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 1198| | 1199| 205| DEBUG_STATIC_ASSERT(sizeof(HUF_DEltX2) == sizeof(HUF_DTable)); /* if compiler fails here, assertion is wrong */ ------------------ | | 39| 205|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 1200| 205| if (maxTableLog > HUF_TABLELOG_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 37| 205|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ ------------------ if (maxTableLog > HUF_TABLELOG_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1200:9): [True: 0, False: 205] ------------------ 1201| | /* ZSTD_memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */ 1202| | 1203| 205| iSize = HUF_readStats_wksp(wksp->weightList, HUF_SYMBOLVALUE_MAX + 1, wksp->rankStats, &nbSymbols, &tableLog, src, srcSize, wksp->calleeWksp, sizeof(wksp->calleeWksp), flags); ------------------ | | 39| 205|#define HUF_SYMBOLVALUE_MAX 255 ------------------ 1204| 205| if (HUF_isError(iSize)) return iSize; ------------------ | | 78| 205|#define HUF_isError ERR_isError ------------------ | Branch (1204:9): [True: 8, False: 197] ------------------ 1205| | 1206| | /* check result */ 1207| 197| if (tableLog > maxTableLog) return ERROR(tableLog_tooLarge); /* DTable can't fit code depth */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1207:9): [True: 0, False: 197] ------------------ 1208| 197| if (tableLog <= HUF_DECODER_FAST_TABLELOG && maxTableLog > HUF_DECODER_FAST_TABLELOG) maxTableLog = HUF_DECODER_FAST_TABLELOG; ------------------ | | 31| 394|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ if (tableLog <= HUF_DECODER_FAST_TABLELOG && maxTableLog > HUF_DECODER_FAST_TABLELOG) maxTableLog = HUF_DECODER_FAST_TABLELOG; ------------------ | | 31| 139|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ if (tableLog <= HUF_DECODER_FAST_TABLELOG && maxTableLog > HUF_DECODER_FAST_TABLELOG) maxTableLog = HUF_DECODER_FAST_TABLELOG; ------------------ | | 31| 139|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ | Branch (1208:9): [True: 139, False: 58] | Branch (1208:50): [True: 139, False: 0] ------------------ 1209| | 1210| | /* find maxWeight */ 1211| 439| for (maxW = tableLog; wksp->rankStats[maxW]==0; maxW--) {} /* necessarily finds a solution before 0 */ ------------------ | Branch (1211:27): [True: 242, False: 197] ------------------ 1212| | 1213| | /* Get start index of each weight */ 1214| 197| { U32 w, nextRankStart = 0; 1215| 1.83k| for (w=1; wrankStats[w]; 1218| 1.63k| rankStart[w] = curr; 1219| 1.63k| } 1220| 197| rankStart[0] = nextRankStart; /* put all 0w symbols at the end of sorted list*/ 1221| 197| rankStart[maxW+1] = nextRankStart; 1222| 197| } 1223| | 1224| | /* sort symbols by weight */ 1225| 197| { U32 s; 1226| 19.5k| for (s=0; sweightList[s]; 1228| 19.3k| U32 const r = rankStart[w]++; 1229| 19.3k| wksp->sortedSymbol[r].symbol = (BYTE)s; 1230| 19.3k| } 1231| 197| rankStart[0] = 0; /* forget 0w symbols; this is beginning of weight(1) */ 1232| 197| } 1233| | 1234| | /* Build rankVal */ 1235| 197| { U32* const rankVal0 = wksp->rankVal[0]; 1236| 197| { int const rescale = (maxTableLog-tableLog) - 1; /* tableLog <= maxTableLog */ 1237| 197| U32 nextRankVal = 0; 1238| 197| U32 w; 1239| 1.83k| for (w=1; wrankStats[w] << (w+rescale); 1242| 1.63k| rankVal0[w] = curr; 1243| 1.63k| } } 1244| 197| { U32 const minBits = tableLog+1 - maxW; 1245| 197| U32 consumed; 1246| 1.74k| for (consumed = minBits; consumed < maxTableLog - minBits + 1; consumed++) { ------------------ | Branch (1246:38): [True: 1.54k, False: 197] ------------------ 1247| 1.54k| U32* const rankValPtr = wksp->rankVal[consumed]; 1248| 1.54k| U32 w; 1249| 15.9k| for (w = 1; w < maxW+1; w++) { ------------------ | Branch (1249:29): [True: 14.4k, False: 1.54k] ------------------ 1250| 14.4k| rankValPtr[w] = rankVal0[w] >> consumed; 1251| 14.4k| } } } } 1252| | 1253| 197| HUF_fillDTableX2(dt, maxTableLog, 1254| 197| wksp->sortedSymbol, 1255| 197| wksp->rankStart0, wksp->rankVal, maxW, 1256| 197| tableLog+1); 1257| | 1258| 197| dtd.tableLog = (BYTE)maxTableLog; 1259| 197| dtd.tableType = 1; 1260| 197| ZSTD_memcpy(DTable, &dtd, sizeof(dtd)); ------------------ | | 44| 197|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1261| 197| return iSize; 1262| 197|} HUF_selectDecoder: 1822| 2.86k|{ 1823| 2.86k| assert(dstSize > 0); ------------------ | | 70| 2.86k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1824| 2.86k| assert(dstSize <= 128*1024); ------------------ | | 70| 2.86k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1825| |#if defined(HUF_FORCE_DECOMPRESS_X1) 1826| | (void)dstSize; 1827| | (void)cSrcSize; 1828| | return 0; 1829| |#elif defined(HUF_FORCE_DECOMPRESS_X2) 1830| | (void)dstSize; 1831| | (void)cSrcSize; 1832| | return 1; 1833| |#else 1834| | /* decoder timing evaluation */ 1835| 2.86k| { U32 const Q = (cSrcSize >= dstSize) ? 15 : (U32)(cSrcSize * 16 / dstSize); /* Q < 16 */ ------------------ | Branch (1835:23): [True: 736, False: 2.12k] ------------------ 1836| 2.86k| U32 const D256 = (U32)(dstSize >> 8); 1837| 2.86k| U32 const DTime0 = algoTime[Q][0].tableTime + (algoTime[Q][0].decode256Time * D256); 1838| 2.86k| U32 DTime1 = algoTime[Q][1].tableTime + (algoTime[Q][1].decode256Time * D256); 1839| 2.86k| DTime1 += DTime1 >> 5; /* small advantage to algorithm using less memory, to reduce cache eviction */ 1840| 2.86k| return DTime1 < DTime0; 1841| 2.86k| } 1842| 2.86k|#endif 1843| 2.86k|} HUF_decompress1X_usingDTable: 1877| 150|{ 1878| 150| DTableDesc const dtd = HUF_getDTableDesc(DTable); 1879| |#if defined(HUF_FORCE_DECOMPRESS_X1) 1880| | (void)dtd; 1881| | assert(dtd.tableType == 0); 1882| | return HUF_decompress1X1_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1883| |#elif defined(HUF_FORCE_DECOMPRESS_X2) 1884| | (void)dtd; 1885| | assert(dtd.tableType == 1); 1886| | return HUF_decompress1X2_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1887| |#else 1888| 150| return dtd.tableType ? HUF_decompress1X2_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags) : ------------------ | Branch (1888:12): [True: 148, False: 2] ------------------ 1889| 150| HUF_decompress1X1_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1890| 150|#endif 1891| 150|} HUF_decompress1X1_DCtx_wksp: 1895| 1.06k|{ 1896| 1.06k| const BYTE* ip = (const BYTE*) cSrc; 1897| | 1898| 1.06k| size_t const hSize = HUF_readDTableX1_wksp(dctx, cSrc, cSrcSize, workSpace, wkspSize, flags); 1899| 1.06k| if (HUF_isError(hSize)) return hSize; ------------------ | | 78| 1.06k|#define HUF_isError ERR_isError ------------------ | Branch (1899:9): [True: 11, False: 1.05k] ------------------ 1900| 1.05k| if (hSize >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1900:9): [True: 0, False: 1.05k] ------------------ 1901| 1.05k| ip += hSize; cSrcSize -= hSize; 1902| | 1903| 1.05k| return HUF_decompress1X1_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx, flags); 1904| 1.05k|} HUF_decompress4X_usingDTable: 1908| 99|{ 1909| 99| DTableDesc const dtd = HUF_getDTableDesc(DTable); 1910| |#if defined(HUF_FORCE_DECOMPRESS_X1) 1911| | (void)dtd; 1912| | assert(dtd.tableType == 0); 1913| | return HUF_decompress4X1_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1914| |#elif defined(HUF_FORCE_DECOMPRESS_X2) 1915| | (void)dtd; 1916| | assert(dtd.tableType == 1); 1917| | return HUF_decompress4X2_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1918| |#else 1919| 99| return dtd.tableType ? HUF_decompress4X2_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags) : ------------------ | Branch (1919:12): [True: 77, False: 22] ------------------ 1920| 99| HUF_decompress4X1_usingDTable_internal(dst, maxDstSize, cSrc, cSrcSize, DTable, flags); 1921| 99|#endif 1922| 99|} HUF_decompress4X_hufOnly_wksp: 1925| 2.86k|{ 1926| | /* validation checks */ 1927| 2.86k| if (dstSize == 0) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1927:9): [True: 0, False: 2.86k] ------------------ 1928| 2.86k| if (cSrcSize == 0) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1928:9): [True: 1, False: 2.86k] ------------------ 1929| | 1930| 2.86k| { U32 const algoNb = HUF_selectDecoder(dstSize, cSrcSize); 1931| |#if defined(HUF_FORCE_DECOMPRESS_X1) 1932| | (void)algoNb; 1933| | assert(algoNb == 0); 1934| | return HUF_decompress4X1_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize, flags); 1935| |#elif defined(HUF_FORCE_DECOMPRESS_X2) 1936| | (void)algoNb; 1937| | assert(algoNb == 1); 1938| | return HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize, flags); 1939| |#else 1940| 2.86k| return algoNb ? HUF_decompress4X2_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize, flags) : ------------------ | Branch (1940:16): [True: 105, False: 2.75k] ------------------ 1941| 2.86k| HUF_decompress4X1_DCtx_wksp(dctx, dst, dstSize, cSrc, cSrcSize, workSpace, wkspSize, flags); 1942| 2.86k|#endif 1943| 2.86k| } 1944| 2.86k|} huf_decompress.c:HUF_getDTableDesc: 144| 8.48k|{ 145| 8.48k| DTableDesc dtd; 146| 8.48k| ZSTD_memcpy(&dtd, table, sizeof(dtd)); ------------------ | | 44| 8.48k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 147| 8.48k| return dtd; 148| 8.48k|} huf_decompress.c:HUF_rescaleStats: 353| 3.78k|{ 354| 3.78k| if (tableLog > targetTableLog) ------------------ | Branch (354:9): [True: 30, False: 3.75k] ------------------ 355| 30| return tableLog; 356| 3.75k| if (tableLog < targetTableLog) { ------------------ | Branch (356:9): [True: 3.71k, False: 39] ------------------ 357| 3.71k| U32 const scale = targetTableLog - tableLog; 358| 3.71k| U32 s; 359| | /* Increase the weight for all non-zero probability symbols by scale. */ 360| 367k| for (s = 0; s < nbSymbols; ++s) { ------------------ | Branch (360:21): [True: 363k, False: 3.71k] ------------------ 361| 363k| huffWeight[s] += (BYTE)((huffWeight[s] == 0) ? 0 : scale); ------------------ | Branch (361:37): [True: 159k, False: 203k] ------------------ 362| 363k| } 363| | /* Update rankVal to reflect the new weights. 364| | * All weights except 0 get moved to weight + scale. 365| | * Weights [1, scale] are empty. 366| | */ 367| 27.8k| for (s = targetTableLog; s > scale; --s) { ------------------ | Branch (367:34): [True: 24.1k, False: 3.71k] ------------------ 368| 24.1k| rankVal[s] = rankVal[s - scale]; 369| 24.1k| } 370| 20.3k| for (s = scale; s > 0; --s) { ------------------ | Branch (370:25): [True: 16.6k, False: 3.71k] ------------------ 371| 16.6k| rankVal[s] = 0; 372| 16.6k| } 373| 3.71k| } 374| 3.75k| return targetTableLog; 375| 3.78k|} huf_decompress.c:HUF_DEltX1_set4: 335| 203k|static U64 HUF_DEltX1_set4(BYTE symbol, BYTE nbBits) { 336| 203k| U64 D4; 337| 203k| if (MEM_isLittleEndian()) { ------------------ | Branch (337:9): [True: 203k, False: 0] ------------------ 338| 203k| D4 = (U64)((symbol << 8) + nbBits); 339| 203k| } else { 340| 0| D4 = (U64)(symbol + (nbBits << 8)); 341| 0| } 342| 203k| assert(D4 < (1U << 16)); ------------------ | | 70| 203k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 343| 203k| D4 *= 0x0001000100010001ULL; 344| 203k| return D4; 345| 203k|} huf_decompress.c:HUF_fillDTableX2: 1128| 197|{ 1129| 197| U32* const rankVal = rankValOrigin[0]; 1130| 197| const int scaleLog = nbBitsBaseline - targetLog; /* note : targetLog >= srcLog, hence scaleLog <= 1 */ 1131| 197| const U32 minBits = nbBitsBaseline - maxWeight; 1132| 197| int w; 1133| 197| int const wEnd = (int)maxWeight + 1; 1134| | 1135| | /* Fill DTable in order of weight. */ 1136| 1.83k| for (w = 1; w < wEnd; ++w) { ------------------ | Branch (1136:17): [True: 1.63k, False: 197] ------------------ 1137| 1.63k| int const begin = (int)rankStart[w]; 1138| 1.63k| int const end = (int)rankStart[w+1]; 1139| 1.63k| U32 const nbBits = nbBitsBaseline - w; 1140| | 1141| 1.63k| if (targetLog-nbBits >= minBits) { ------------------ | Branch (1141:13): [True: 1.41k, False: 226] ------------------ 1142| | /* Enough room for a second symbol. */ 1143| 1.41k| int start = rankVal[w]; 1144| 1.41k| U32 const length = 1U << ((targetLog - nbBits) & 0x1F /* quiet static-analyzer */); 1145| 1.41k| int minWeight = nbBits + scaleLog; 1146| 1.41k| int s; 1147| 1.41k| if (minWeight < 1) minWeight = 1; ------------------ | Branch (1147:17): [True: 132, False: 1.28k] ------------------ 1148| | /* Fill the DTable for every symbol of weight w. 1149| | * These symbols get at least 1 second symbol. 1150| | */ 1151| 10.3k| for (s = begin; s != end; ++s) { ------------------ | Branch (1151:29): [True: 8.89k, False: 1.41k] ------------------ 1152| 8.89k| HUF_fillDTableX2Level2( 1153| 8.89k| DTable + start, targetLog, nbBits, 1154| 8.89k| rankValOrigin[nbBits], minWeight, wEnd, 1155| 8.89k| sortedList, rankStart, 1156| 8.89k| nbBitsBaseline, sortedList[s].symbol); 1157| 8.89k| start += length; 1158| 8.89k| } 1159| 1.41k| } else { 1160| | /* Only a single symbol. */ 1161| 226| HUF_fillDTableX2ForWeight( 1162| 226| DTable + rankVal[w], 1163| 226| sortedList + begin, sortedList + end, 1164| 226| nbBits, targetLog, 1165| 226| /* baseSeq */ 0, /* level */ 1); 1166| 226| } 1167| 1.63k| } 1168| 197|} huf_decompress.c:HUF_fillDTableX2Level2: 1073| 8.89k|{ 1074| | /* Fill skipped values (all positions up to rankVal[minWeight]). 1075| | * These are positions only get a single symbol because the combined weight 1076| | * is too large. 1077| | */ 1078| 8.89k| if (minWeight>1) { ------------------ | Branch (1078:9): [True: 8.36k, False: 529] ------------------ 1079| 8.36k| U32 const length = 1U << ((targetLog - consumedBits) & 0x1F /* quiet static-analyzer */); 1080| 8.36k| U64 const DEltX2 = HUF_buildDEltX2U64(baseSeq, consumedBits, /* baseSeq */ 0, /* level */ 1); 1081| 8.36k| int const skipSize = rankVal[minWeight]; 1082| 8.36k| assert(length > 1); ------------------ | | 70| 8.36k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1083| 8.36k| assert((U32)skipSize < length); ------------------ | | 70| 8.36k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1084| 8.36k| switch (length) { 1085| 268| case 2: ------------------ | Branch (1085:9): [True: 268, False: 8.10k] ------------------ 1086| 268| assert(skipSize == 1); ------------------ | | 70| 268|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1087| 268| ZSTD_memcpy(DTable, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 268|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1088| 268| break; 1089| 356| case 4: ------------------ | Branch (1089:9): [True: 356, False: 8.01k] ------------------ 1090| 356| assert(skipSize <= 4); ------------------ | | 70| 356|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1091| 356| ZSTD_memcpy(DTable + 0, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 356|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1092| 356| ZSTD_memcpy(DTable + 2, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 356|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1093| 356| break; 1094| 7.74k| default: ------------------ | Branch (1094:9): [True: 7.74k, False: 624] ------------------ 1095| 7.74k| { 1096| 7.74k| int i; 1097| 20.6k| for (i = 0; i < skipSize; i += 8) { ------------------ | Branch (1097:29): [True: 12.9k, False: 7.74k] ------------------ 1098| 12.9k| ZSTD_memcpy(DTable + i + 0, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 12.9k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1099| 12.9k| ZSTD_memcpy(DTable + i + 2, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 12.9k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1100| 12.9k| ZSTD_memcpy(DTable + i + 4, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 12.9k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1101| 12.9k| ZSTD_memcpy(DTable + i + 6, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 12.9k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1102| 12.9k| } 1103| 7.74k| } 1104| 8.36k| } 1105| 8.36k| } 1106| | 1107| | /* Fill each of the second level symbols by weight. */ 1108| 8.89k| { 1109| 8.89k| int w; 1110| 35.8k| for (w = minWeight; w < maxWeight1; ++w) { ------------------ | Branch (1110:29): [True: 26.9k, False: 8.89k] ------------------ 1111| 26.9k| int const begin = rankStart[w]; 1112| 26.9k| int const end = rankStart[w+1]; 1113| 26.9k| U32 const nbBits = nbBitsBaseline - w; 1114| 26.9k| U32 const totalBits = nbBits + consumedBits; 1115| 26.9k| HUF_fillDTableX2ForWeight( 1116| 26.9k| DTable + rankVal[w], 1117| 26.9k| sortedSymbols + begin, sortedSymbols + end, 1118| 26.9k| totalBits, targetLog, 1119| 26.9k| baseSeq, /* level */ 2); 1120| 26.9k| } 1121| 8.89k| } 1122| 8.89k|} huf_decompress.c:HUF_buildDEltX2U64: 993| 25.6k|{ 994| 25.6k| U32 DElt = HUF_buildDEltX2U32(symbol, nbBits, baseSeq, level); 995| 25.6k| return (U64)DElt + ((U64)DElt << 32); 996| 25.6k|} huf_decompress.c:HUF_buildDEltX2U32: 962| 78.6k|{ 963| 78.6k| U32 seq; 964| 78.6k| DEBUG_STATIC_ASSERT(offsetof(HUF_DEltX2, sequence) == 0); ------------------ | | 39| 78.6k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 965| 78.6k| DEBUG_STATIC_ASSERT(offsetof(HUF_DEltX2, nbBits) == 2); ------------------ | | 39| 78.6k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 966| 78.6k| DEBUG_STATIC_ASSERT(offsetof(HUF_DEltX2, length) == 3); ------------------ | | 39| 78.6k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 967| 78.6k| DEBUG_STATIC_ASSERT(sizeof(HUF_DEltX2) == sizeof(U32)); ------------------ | | 39| 78.6k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 968| 78.6k| if (MEM_isLittleEndian()) { ------------------ | Branch (968:9): [True: 78.6k, False: 0] ------------------ 969| 78.6k| seq = level == 1 ? symbol : (baseSeq + (symbol << 8)); ------------------ | Branch (969:15): [True: 11.5k, False: 67.0k] ------------------ 970| 78.6k| return seq + (nbBits << 16) + ((U32)level << 24); 971| 78.6k| } else { 972| 0| seq = level == 1 ? (symbol << 8) : ((baseSeq << 8) + symbol); ------------------ | Branch (972:15): [True: 0, False: 0] ------------------ 973| 0| return (seq << 16) + (nbBits << 8) + (U32)level; 974| 0| } 975| 78.6k|} huf_decompress.c:HUF_fillDTableX2ForWeight: 1015| 27.1k|{ 1016| 27.1k| U32 const length = 1U << ((tableLog - nbBits) & 0x1F /* quiet static-analyzer */); 1017| 27.1k| const sortedSymbol_t* ptr; 1018| 27.1k| assert(level >= 1 && level <= 2); ------------------ | | 70| 27.1k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1019| 27.1k| switch (length) { 1020| 8.74k| case 1: ------------------ | Branch (1020:5): [True: 8.74k, False: 18.4k] ------------------ 1021| 37.8k| for (ptr = begin; ptr != end; ++ptr) { ------------------ | Branch (1021:27): [True: 29.0k, False: 8.74k] ------------------ 1022| 29.0k| HUF_DEltX2 const DElt = HUF_buildDEltX2(ptr->symbol, nbBits, baseSeq, level); 1023| 29.0k| *DTableRank++ = DElt; 1024| 29.0k| } 1025| 8.74k| break; 1026| 5.88k| case 2: ------------------ | Branch (1026:5): [True: 5.88k, False: 21.2k] ------------------ 1027| 29.7k| for (ptr = begin; ptr != end; ++ptr) { ------------------ | Branch (1027:27): [True: 23.8k, False: 5.88k] ------------------ 1028| 23.8k| HUF_DEltX2 const DElt = HUF_buildDEltX2(ptr->symbol, nbBits, baseSeq, level); 1029| 23.8k| DTableRank[0] = DElt; 1030| 23.8k| DTableRank[1] = DElt; 1031| 23.8k| DTableRank += 2; 1032| 23.8k| } 1033| 5.88k| break; 1034| 4.82k| case 4: ------------------ | Branch (1034:5): [True: 4.82k, False: 22.3k] ------------------ 1035| 11.0k| for (ptr = begin; ptr != end; ++ptr) { ------------------ | Branch (1035:27): [True: 6.26k, False: 4.82k] ------------------ 1036| 6.26k| U64 const DEltX2 = HUF_buildDEltX2U64(ptr->symbol, nbBits, baseSeq, level); 1037| 6.26k| ZSTD_memcpy(DTableRank + 0, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.26k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1038| 6.26k| ZSTD_memcpy(DTableRank + 2, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.26k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1039| 6.26k| DTableRank += 4; 1040| 6.26k| } 1041| 4.82k| break; 1042| 4.18k| case 8: ------------------ | Branch (1042:5): [True: 4.18k, False: 22.9k] ------------------ 1043| 10.6k| for (ptr = begin; ptr != end; ++ptr) { ------------------ | Branch (1043:27): [True: 6.50k, False: 4.18k] ------------------ 1044| 6.50k| U64 const DEltX2 = HUF_buildDEltX2U64(ptr->symbol, nbBits, baseSeq, level); 1045| 6.50k| ZSTD_memcpy(DTableRank + 0, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.50k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1046| 6.50k| ZSTD_memcpy(DTableRank + 2, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.50k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1047| 6.50k| ZSTD_memcpy(DTableRank + 4, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.50k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1048| 6.50k| ZSTD_memcpy(DTableRank + 6, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 6.50k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1049| 6.50k| DTableRank += 8; 1050| 6.50k| } 1051| 4.18k| break; 1052| 3.54k| default: ------------------ | Branch (1052:5): [True: 3.54k, False: 23.6k] ------------------ 1053| 8.05k| for (ptr = begin; ptr != end; ++ptr) { ------------------ | Branch (1053:27): [True: 4.51k, False: 3.54k] ------------------ 1054| 4.51k| U64 const DEltX2 = HUF_buildDEltX2U64(ptr->symbol, nbBits, baseSeq, level); 1055| 4.51k| HUF_DEltX2* const DTableRankEnd = DTableRank + length; 1056| 39.3k| for (; DTableRank != DTableRankEnd; DTableRank += 8) { ------------------ | Branch (1056:20): [True: 34.8k, False: 4.51k] ------------------ 1057| 34.8k| ZSTD_memcpy(DTableRank + 0, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 34.8k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1058| 34.8k| ZSTD_memcpy(DTableRank + 2, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 34.8k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1059| 34.8k| ZSTD_memcpy(DTableRank + 4, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 34.8k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1060| 34.8k| ZSTD_memcpy(DTableRank + 6, &DEltX2, sizeof(DEltX2)); ------------------ | | 44| 34.8k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1061| 34.8k| } 1062| 4.51k| } 1063| 3.54k| break; 1064| 27.1k| } 1065| 27.1k|} huf_decompress.c:HUF_buildDEltX2: 981| 52.9k|{ 982| 52.9k| HUF_DEltX2 DElt; 983| 52.9k| U32 const val = HUF_buildDEltX2U32(symbol, nbBits, baseSeq, level); 984| 52.9k| DEBUG_STATIC_ASSERT(sizeof(DElt) == sizeof(val)); ------------------ | | 39| 52.9k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) ------------------ 985| 52.9k| ZSTD_memcpy(&DElt, &val, sizeof(val)); ------------------ | | 44| 52.9k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 986| 52.9k| return DElt; 987| 52.9k|} huf_decompress.c:HUF_decompress1X2_usingDTable_internal: 118| 148| { \ 119| 148| if (flags & HUF_flags_bmi2) { \ ------------------ | Branch (119:13): [True: 148, False: 0] ------------------ 120| 148| return fn##_bmi2(dst, dstSize, cSrc, cSrcSize, DTable); \ 121| 148| } \ 122| 148| return fn##_default(dst, dstSize, cSrc, cSrcSize, DTable); \ 123| 148| } huf_decompress.c:HUF_decompress1X2_usingDTable_internal_bmi2: 112| 148| { \ 113| 148| return fn##_body(dst, dstSize, cSrc, cSrcSize, DTable); \ 114| 148| } \ huf_decompress.c:HUF_decompress1X2_usingDTable_internal_body: 1357| 148|{ 1358| 148| BIT_DStream_t bitD; 1359| | 1360| | /* Init */ 1361| 148| CHECK_F( BIT_initDStream(&bitD, cSrc, cSrcSize) ); ------------------ | | 63| 148|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 148| size_t const e = f; \ | | | | 59| 148| do { \ | | | | 60| 148| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 148] | | | | ------------------ | | | | 61| 148| return e; \ | | | | 62| 148| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 148] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 148] | | ------------------ ------------------ 1362| | 1363| | /* decode */ 1364| 148| { BYTE* const ostart = (BYTE*) dst; 1365| 148| BYTE* const oend = ZSTD_maybeNullPtrAdd(ostart, dstSize); 1366| 148| const void* const dtPtr = DTable+1; /* force compiler to not use strict-aliasing */ 1367| 148| const HUF_DEltX2* const dt = (const HUF_DEltX2*)dtPtr; 1368| 148| DTableDesc const dtd = HUF_getDTableDesc(DTable); 1369| 148| HUF_decodeStreamX2(ostart, &bitD, oend, dt, dtd.tableLog); 1370| 148| } 1371| | 1372| | /* check */ 1373| 148| if (!BIT_endOfDStream(&bitD)) return ERROR(corruption_detected); ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1373:9): [True: 7, False: 141] ------------------ 1374| | 1375| | /* decoded size */ 1376| 141| return dstSize; 1377| 148|} huf_decompress.c:HUF_decodeStreamX2: 1310| 834|{ 1311| 834| BYTE* const pStart = p; 1312| | 1313| | /* up to 8 symbols at a time */ 1314| 834| if ((size_t)(pEnd - p) >= sizeof(bitDPtr->bitContainer)) { ------------------ | Branch (1314:9): [True: 732, False: 102] ------------------ 1315| 732| if (dtLog <= 11 && MEM_64bits()) { ------------------ | Branch (1315:13): [True: 520, False: 212] | Branch (1315:28): [True: 520, False: 0] ------------------ 1316| | /* up to 10 symbols at a time */ 1317| 168k| while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p < pEnd-9)) { ------------------ | Branch (1317:20): [True: 167k, False: 520] ------------------ 1318| 167k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 167k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 167k] | | ------------------ ------------------ 1319| 167k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 167k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 167k] | | ------------------ ------------------ 1320| 167k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 167k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 167k] | | ------------------ ------------------ 1321| 167k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 167k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 167k] | | ------------------ ------------------ 1322| 167k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 167k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 167k] | | ------------------ ------------------ 1323| 167k| } 1324| 520| } else { 1325| | /* up to 8 symbols at a time */ 1326| 57.5k| while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p < pEnd-(sizeof(bitDPtr->bitContainer)-1))) { ------------------ | Branch (1326:20): [True: 57.3k, False: 212] ------------------ 1327| 57.3k| HUF_DECODE_SYMBOLX2_2(p, bitDPtr); ------------------ | | 1302| 57.3k| do { \ | | 1303| 57.3k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 57.3k, False: 0] | | ------------------ | | 1304| 57.3k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 57.3k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 57.3k] | | ------------------ ------------------ 1328| 57.3k| HUF_DECODE_SYMBOLX2_1(p, bitDPtr); ------------------ | | 1296| 57.3k| do { \ | | 1297| 57.3k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (1297:13): [True: 57.3k, False: 0] | | | Branch (1297:29): [True: 0, Folded] | | ------------------ | | 1298| 57.3k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1299| 57.3k| } while (0) | | ------------------ | | | Branch (1299:14): [Folded, False: 57.3k] | | ------------------ ------------------ 1329| 57.3k| HUF_DECODE_SYMBOLX2_2(p, bitDPtr); ------------------ | | 1302| 57.3k| do { \ | | 1303| 57.3k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 57.3k, False: 0] | | ------------------ | | 1304| 57.3k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 57.3k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 57.3k] | | ------------------ ------------------ 1330| 57.3k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 57.3k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 57.3k] | | ------------------ ------------------ 1331| 57.3k| } 1332| 212| } 1333| 732| } else { 1334| 102| BIT_reloadDStream(bitDPtr); 1335| 102| } 1336| | 1337| | /* closer to end : up to 2 symbols at a time */ 1338| 834| if ((size_t)(pEnd - p) >= 2) { ------------------ | Branch (1338:9): [True: 804, False: 30] ------------------ 1339| 2.05k| while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p <= pEnd-2)) ------------------ | Branch (1339:16): [True: 1.25k, False: 804] ------------------ 1340| 1.25k| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1293| 1.25k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 1.25k] | | ------------------ ------------------ 1341| | 1342| 1.53M| while (p <= pEnd-2) ------------------ | Branch (1342:16): [True: 1.53M, False: 804] ------------------ 1343| 1.53M| HUF_DECODE_SYMBOLX2_0(p, bitDPtr); /* no need to reload : reached the end of DStream */ ------------------ | | 1293| 1.53M| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 1.53M] | | ------------------ ------------------ 1344| 804| } 1345| | 1346| 834| if (p < pEnd) ------------------ | Branch (1346:9): [True: 601, False: 233] ------------------ 1347| 601| p += HUF_decodeLastSymbolX2(p, bitDPtr, dt, dtLog); 1348| | 1349| 834| return p-pStart; 1350| 834|} huf_decompress.c:HUF_decodeSymbolX2: 1267| 2.82M|{ 1268| 2.82M| size_t const val = BIT_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */ 1269| 2.82M| ZSTD_memcpy(op, &dt[val].sequence, 2); ------------------ | | 44| 2.82M|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1270| 2.82M| BIT_skipBits(DStream, dt[val].nbBits); 1271| 2.82M| return dt[val].length; 1272| 2.82M|} huf_decompress.c:HUF_decodeLastSymbolX2: 1276| 601|{ 1277| 601| size_t const val = BIT_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */ 1278| 601| ZSTD_memcpy(op, &dt[val].sequence, 1); ------------------ | | 44| 601|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1279| 601| if (dt[val].length==1) { ------------------ | Branch (1279:9): [True: 337, False: 264] ------------------ 1280| 337| BIT_skipBits(DStream, dt[val].nbBits); 1281| 337| } else { 1282| 264| if (DStream->bitsConsumed < (sizeof(DStream->bitContainer)*8)) { ------------------ | Branch (1282:13): [True: 180, False: 84] ------------------ 1283| 180| BIT_skipBits(DStream, dt[val].nbBits); 1284| 180| if (DStream->bitsConsumed > (sizeof(DStream->bitContainer)*8)) ------------------ | Branch (1284:17): [True: 24, False: 156] ------------------ 1285| | /* ugly hack; works only because it's the last symbol. Note : can't easily extract nbBits from just this symbol */ 1286| 24| DStream->bitsConsumed = (sizeof(DStream->bitContainer)*8); 1287| 180| } 1288| 264| } 1289| 601| return 1; 1290| 601|} huf_decompress.c:HUF_decompress1X1_usingDTable_internal: 118| 1.05k| { \ 119| 1.05k| if (flags & HUF_flags_bmi2) { \ ------------------ | Branch (119:13): [True: 1.05k, False: 0] ------------------ 120| 1.05k| return fn##_bmi2(dst, dstSize, cSrc, cSrcSize, DTable); \ 121| 1.05k| } \ 122| 1.05k| return fn##_default(dst, dstSize, cSrc, cSrcSize, DTable); \ 123| 1.05k| } huf_decompress.c:HUF_decompress1X1_usingDTable_internal_bmi2: 112| 1.05k| { \ 113| 1.05k| return fn##_body(dst, dstSize, cSrc, cSrcSize, DTable); \ 114| 1.05k| } \ huf_decompress.c:HUF_decompress1X1_usingDTable_internal_body: 579| 1.05k|{ 580| 1.05k| BYTE* op = (BYTE*)dst; 581| 1.05k| BYTE* const oend = ZSTD_maybeNullPtrAdd(op, dstSize); 582| 1.05k| const void* dtPtr = DTable + 1; 583| 1.05k| const HUF_DEltX1* const dt = (const HUF_DEltX1*)dtPtr; 584| 1.05k| BIT_DStream_t bitD; 585| 1.05k| DTableDesc const dtd = HUF_getDTableDesc(DTable); 586| 1.05k| U32 const dtLog = dtd.tableLog; 587| | 588| 1.05k| CHECK_F( BIT_initDStream(&bitD, cSrc, cSrcSize) ); ------------------ | | 63| 1.05k|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 1.05k| size_t const e = f; \ | | | | 59| 1.05k| do { \ | | | | 60| 1.05k| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 1.05k] | | | | ------------------ | | | | 61| 1.05k| return e; \ | | | | 62| 1.05k| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 1.05k] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 1.05k] | | ------------------ ------------------ 589| | 590| 1.05k| HUF_decodeStreamX1(op, &bitD, oend, dt, dtLog); 591| | 592| 1.05k| if (!BIT_endOfDStream(&bitD)) return ERROR(corruption_detected); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (592:9): [True: 5, False: 1.05k] ------------------ 593| | 594| 1.05k| return dstSize; 595| 1.05k|} huf_decompress.c:HUF_decodeStreamX1: 547| 11.9k|{ 548| 11.9k| BYTE* const pStart = p; 549| | 550| | /* up to 4 symbols at a time */ 551| 11.9k| if ((pEnd - p) > 3) { ------------------ | Branch (551:9): [True: 10.8k, False: 1.11k] ------------------ 552| 82.4k| while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p < pEnd-3)) { ------------------ | Branch (552:16): [True: 71.5k, False: 10.8k] ------------------ 553| 71.5k| HUF_DECODE_SYMBOLX1_2(p, bitDPtr); ------------------ | | 540| 71.5k| do { \ | | 541| 71.5k| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 71.5k, False: 0] | | ------------------ | | 542| 71.5k| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 71.5k| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 71.5k] | | | | ------------------ | | ------------------ | | 543| 71.5k| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 71.5k] | | ------------------ ------------------ 554| 71.5k| HUF_DECODE_SYMBOLX1_1(p, bitDPtr); ------------------ | | 534| 71.5k| do { \ | | 535| 71.5k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (535:13): [True: 71.5k, False: 0] | | | Branch (535:29): [True: 0, Folded] | | ------------------ | | 536| 71.5k| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 71.5k| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 71.5k] | | | | ------------------ | | ------------------ | | 537| 71.5k| } while (0) | | ------------------ | | | Branch (537:14): [Folded, False: 71.5k] | | ------------------ ------------------ 555| 71.5k| HUF_DECODE_SYMBOLX1_2(p, bitDPtr); ------------------ | | 540| 71.5k| do { \ | | 541| 71.5k| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 71.5k, False: 0] | | ------------------ | | 542| 71.5k| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 71.5k| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 71.5k] | | | | ------------------ | | ------------------ | | 543| 71.5k| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 71.5k] | | ------------------ ------------------ 556| 71.5k| HUF_DECODE_SYMBOLX1_0(p, bitDPtr); ------------------ | | 531| 71.5k| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 71.5k] | | ------------------ ------------------ 557| 71.5k| } 558| 10.8k| } else { 559| 1.11k| BIT_reloadDStream(bitDPtr); 560| 1.11k| } 561| | 562| | /* [0-3] symbols remaining */ 563| 11.9k| if (MEM_32bits()) ------------------ | Branch (563:9): [True: 0, False: 11.9k] ------------------ 564| 0| while ((BIT_reloadDStream(bitDPtr) == BIT_DStream_unfinished) & (p < pEnd)) ------------------ | Branch (564:16): [True: 0, False: 0] ------------------ 565| 0| HUF_DECODE_SYMBOLX1_0(p, bitDPtr); ------------------ | | 531| 0| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 0] | | ------------------ ------------------ 566| | 567| | /* no more data to retrieve from bitstream, no need to reload */ 568| 116k| while (p < pEnd) ------------------ | Branch (568:12): [True: 104k, False: 11.9k] ------------------ 569| 104k| HUF_DECODE_SYMBOLX1_0(p, bitDPtr); ------------------ | | 531| 104k| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 104k] | | ------------------ ------------------ 570| | 571| 11.9k| return (size_t)(pEnd-pStart); 572| 11.9k|} huf_decompress.c:HUF_decodeSymbolX1: 523| 396k|{ 524| 396k| size_t const val = BIT_lookBitsFast(Dstream, dtLog); /* note : dtLog >= 1 */ 525| 396k| BYTE const c = dt[val].byte; 526| 396k| BIT_skipBits(Dstream, dt[val].nbBits); 527| 396k| return c; 528| 396k|} huf_decompress.c:HUF_decompress4X2_usingDTable_internal: 1721| 180|{ 1722| 180| HUF_DecompressUsingDTableFn fallbackFn = HUF_decompress4X2_usingDTable_internal_default; 1723| 180| HUF_DecompressFastLoopFn loopFn = HUF_decompress4X2_usingDTable_internal_fast_c_loop; 1724| | 1725| 180|#if DYNAMIC_BMI2 1726| 180| if (flags & HUF_flags_bmi2) { ------------------ | Branch (1726:9): [True: 180, False: 0] ------------------ 1727| 180| fallbackFn = HUF_decompress4X2_usingDTable_internal_bmi2; 1728| 180|# if ZSTD_ENABLE_ASM_X86_64_BMI2 1729| 180| if (!(flags & HUF_flags_disableAsm)) { ------------------ | Branch (1729:13): [True: 180, False: 0] ------------------ 1730| 180| loopFn = HUF_decompress4X2_usingDTable_internal_fast_asm_loop; 1731| 180| } 1732| 180|# endif 1733| 180| } else { 1734| 0| return fallbackFn(dst, dstSize, cSrc, cSrcSize, DTable); 1735| 0| } 1736| 180|#endif 1737| | 1738| |#if ZSTD_ENABLE_ASM_X86_64_BMI2 && defined(__BMI2__) 1739| | if (!(flags & HUF_flags_disableAsm)) { 1740| | loopFn = HUF_decompress4X2_usingDTable_internal_fast_asm_loop; 1741| | } 1742| |#endif 1743| | 1744| 180| if (HUF_ENABLE_FAST_DECODE && !(flags & HUF_flags_disableFast)) { ------------------ | | 40| 360|# define HUF_ENABLE_FAST_DECODE 1 | | ------------------ | | | Branch (40:33): [True: 180, Folded] | | ------------------ ------------------ | Branch (1744:35): [True: 180, False: 0] ------------------ 1745| 180| size_t const ret = HUF_decompress4X2_usingDTable_internal_fast(dst, dstSize, cSrc, cSrcSize, DTable, loopFn); 1746| 180| if (ret != 0) ------------------ | Branch (1746:13): [True: 109, False: 71] ------------------ 1747| 109| return ret; 1748| 180| } 1749| 71| return fallbackFn(dst, dstSize, cSrc, cSrcSize, DTable); 1750| 180|} huf_decompress.c:HUF_decompress4X2_usingDTable_internal_body: 1388| 71|{ 1389| 71| if (cSrcSize < 10) return ERROR(corruption_detected); /* strict minimum : jump table + 1 byte per stream */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1389:9): [True: 0, False: 71] ------------------ 1390| 71| if (dstSize < 6) return ERROR(corruption_detected); /* stream 4-split doesn't work */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1390:9): [True: 0, False: 71] ------------------ 1391| | 1392| 71| { const BYTE* const istart = (const BYTE*) cSrc; 1393| 71| BYTE* const ostart = (BYTE*) dst; 1394| 71| BYTE* const oend = ostart + dstSize; 1395| 71| BYTE* const olimit = oend - (sizeof(size_t)-1); 1396| 71| const void* const dtPtr = DTable+1; 1397| 71| const HUF_DEltX2* const dt = (const HUF_DEltX2*)dtPtr; 1398| | 1399| | /* Init */ 1400| 71| BIT_DStream_t bitD1; 1401| 71| BIT_DStream_t bitD2; 1402| 71| BIT_DStream_t bitD3; 1403| 71| BIT_DStream_t bitD4; 1404| 71| size_t const length1 = MEM_readLE16(istart); 1405| 71| size_t const length2 = MEM_readLE16(istart+2); 1406| 71| size_t const length3 = MEM_readLE16(istart+4); 1407| 71| size_t const length4 = cSrcSize - (length1 + length2 + length3 + 6); 1408| 71| const BYTE* const istart1 = istart + 6; /* jumpTable */ 1409| 71| const BYTE* const istart2 = istart1 + length1; 1410| 71| const BYTE* const istart3 = istart2 + length2; 1411| 71| const BYTE* const istart4 = istart3 + length3; 1412| 71| size_t const segmentSize = (dstSize+3) / 4; 1413| 71| BYTE* const opStart2 = ostart + segmentSize; 1414| 71| BYTE* const opStart3 = opStart2 + segmentSize; 1415| 71| BYTE* const opStart4 = opStart3 + segmentSize; 1416| 71| BYTE* op1 = ostart; 1417| 71| BYTE* op2 = opStart2; 1418| 71| BYTE* op3 = opStart3; 1419| 71| BYTE* op4 = opStart4; 1420| 71| U32 endSignal = 1; 1421| 71| DTableDesc const dtd = HUF_getDTableDesc(DTable); 1422| 71| U32 const dtLog = dtd.tableLog; 1423| | 1424| 71| if (length4 > cSrcSize) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1424:13): [True: 1, False: 70] ------------------ 1425| 70| if (opStart4 > oend) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1425:13): [True: 0, False: 70] ------------------ 1426| 70| assert(dstSize >= 6 /* validated above */); ------------------ | | 70| 70|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1427| 70| CHECK_F( BIT_initDStream(&bitD1, istart1, length1) ); ------------------ | | 63| 70|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 70| size_t const e = f; \ | | | | 59| 70| do { \ | | | | 60| 70| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 70] | | | | ------------------ | | | | 61| 70| return e; \ | | | | 62| 70| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 70] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 70] | | ------------------ ------------------ 1428| 70| CHECK_F( BIT_initDStream(&bitD2, istart2, length2) ); ------------------ | | 63| 70|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 70| size_t const e = f; \ | | | | 59| 70| do { \ | | | | 60| 70| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 3, False: 67] | | | | ------------------ | | | | 61| 70| return e; \ | | | | 62| 70| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 67] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 67] | | ------------------ ------------------ 1429| 67| CHECK_F( BIT_initDStream(&bitD3, istart3, length3) ); ------------------ | | 63| 67|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 67| size_t const e = f; \ | | | | 59| 67| do { \ | | | | 60| 67| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 67] | | | | ------------------ | | | | 61| 67| return e; \ | | | | 62| 67| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 67] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 67] | | ------------------ ------------------ 1430| 67| CHECK_F( BIT_initDStream(&bitD4, istart4, length4) ); ------------------ | | 63| 67|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 67| size_t const e = f; \ | | | | 59| 67| do { \ | | | | 60| 67| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 1, False: 66] | | | | ------------------ | | | | 61| 67| return e; \ | | | | 62| 67| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 66] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 66] | | ------------------ ------------------ 1431| | 1432| | /* 16-32 symbols per loop (4-8 symbols per stream) */ 1433| 66| if ((size_t)(oend - op4) >= sizeof(size_t)) { ------------------ | Branch (1433:13): [True: 66, False: 0] ------------------ 1434| 13.7k| for ( ; (endSignal) & (op4 < olimit); ) { ------------------ | Branch (1434:21): [True: 13.7k, False: 66] ------------------ 1435| 13.7k|#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__)) 1436| 13.7k| HUF_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1437| 13.7k| HUF_DECODE_SYMBOLX2_1(op1, &bitD1); ------------------ | | 1296| 13.7k| do { \ | | 1297| 13.7k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (1297:13): [True: 13.7k, False: 0] | | | Branch (1297:29): [True: 0, Folded] | | ------------------ | | 1298| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1299| 13.7k| } while (0) | | ------------------ | | | Branch (1299:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1438| 13.7k| HUF_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1439| 13.7k| HUF_DECODE_SYMBOLX2_0(op1, &bitD1); ------------------ | | 1293| 13.7k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 13.7k] | | ------------------ ------------------ 1440| 13.7k| HUF_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1441| 13.7k| HUF_DECODE_SYMBOLX2_1(op2, &bitD2); ------------------ | | 1296| 13.7k| do { \ | | 1297| 13.7k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (1297:13): [True: 13.7k, False: 0] | | | Branch (1297:29): [True: 0, Folded] | | ------------------ | | 1298| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1299| 13.7k| } while (0) | | ------------------ | | | Branch (1299:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1442| 13.7k| HUF_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1443| 13.7k| HUF_DECODE_SYMBOLX2_0(op2, &bitD2); ------------------ | | 1293| 13.7k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 13.7k] | | ------------------ ------------------ 1444| 13.7k| endSignal &= BIT_reloadDStreamFast(&bitD1) == BIT_DStream_unfinished; 1445| 13.7k| endSignal &= BIT_reloadDStreamFast(&bitD2) == BIT_DStream_unfinished; 1446| 13.7k| HUF_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1447| 13.7k| HUF_DECODE_SYMBOLX2_1(op3, &bitD3); ------------------ | | 1296| 13.7k| do { \ | | 1297| 13.7k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (1297:13): [True: 13.7k, False: 0] | | | Branch (1297:29): [True: 0, Folded] | | ------------------ | | 1298| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1299| 13.7k| } while (0) | | ------------------ | | | Branch (1299:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1448| 13.7k| HUF_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1449| 13.7k| HUF_DECODE_SYMBOLX2_0(op3, &bitD3); ------------------ | | 1293| 13.7k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 13.7k] | | ------------------ ------------------ 1450| 13.7k| HUF_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1451| 13.7k| HUF_DECODE_SYMBOLX2_1(op4, &bitD4); ------------------ | | 1296| 13.7k| do { \ | | 1297| 13.7k| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (1297:13): [True: 13.7k, False: 0] | | | Branch (1297:29): [True: 0, Folded] | | ------------------ | | 1298| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1299| 13.7k| } while (0) | | ------------------ | | | Branch (1299:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1452| 13.7k| HUF_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1302| 13.7k| do { \ | | 1303| 13.7k| if (MEM_64bits()) \ | | ------------------ | | | Branch (1303:13): [True: 13.7k, False: 0] | | ------------------ | | 1304| 13.7k| ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); \ | | 1305| 13.7k| } while (0) | | ------------------ | | | Branch (1305:14): [Folded, False: 13.7k] | | ------------------ ------------------ 1453| 13.7k| HUF_DECODE_SYMBOLX2_0(op4, &bitD4); ------------------ | | 1293| 13.7k| do { ptr += HUF_decodeSymbolX2(ptr, DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (1293:74): [Folded, False: 13.7k] | | ------------------ ------------------ 1454| 13.7k| endSignal &= BIT_reloadDStreamFast(&bitD3) == BIT_DStream_unfinished; 1455| 13.7k| endSignal &= BIT_reloadDStreamFast(&bitD4) == BIT_DStream_unfinished; 1456| |#else 1457| | HUF_DECODE_SYMBOLX2_2(op1, &bitD1); 1458| | HUF_DECODE_SYMBOLX2_2(op2, &bitD2); 1459| | HUF_DECODE_SYMBOLX2_2(op3, &bitD3); 1460| | HUF_DECODE_SYMBOLX2_2(op4, &bitD4); 1461| | HUF_DECODE_SYMBOLX2_1(op1, &bitD1); 1462| | HUF_DECODE_SYMBOLX2_1(op2, &bitD2); 1463| | HUF_DECODE_SYMBOLX2_1(op3, &bitD3); 1464| | HUF_DECODE_SYMBOLX2_1(op4, &bitD4); 1465| | HUF_DECODE_SYMBOLX2_2(op1, &bitD1); 1466| | HUF_DECODE_SYMBOLX2_2(op2, &bitD2); 1467| | HUF_DECODE_SYMBOLX2_2(op3, &bitD3); 1468| | HUF_DECODE_SYMBOLX2_2(op4, &bitD4); 1469| | HUF_DECODE_SYMBOLX2_0(op1, &bitD1); 1470| | HUF_DECODE_SYMBOLX2_0(op2, &bitD2); 1471| | HUF_DECODE_SYMBOLX2_0(op3, &bitD3); 1472| | HUF_DECODE_SYMBOLX2_0(op4, &bitD4); 1473| | endSignal = (U32)LIKELY((U32) 1474| | (BIT_reloadDStreamFast(&bitD1) == BIT_DStream_unfinished) 1475| | & (BIT_reloadDStreamFast(&bitD2) == BIT_DStream_unfinished) 1476| | & (BIT_reloadDStreamFast(&bitD3) == BIT_DStream_unfinished) 1477| | & (BIT_reloadDStreamFast(&bitD4) == BIT_DStream_unfinished)); 1478| |#endif 1479| 13.7k| } 1480| 66| } 1481| | 1482| | /* check corruption */ 1483| 66| if (op1 > opStart2) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1483:13): [True: 0, False: 66] ------------------ 1484| 66| if (op2 > opStart3) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1484:13): [True: 0, False: 66] ------------------ 1485| 66| if (op3 > opStart4) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1485:13): [True: 0, False: 66] ------------------ 1486| | /* note : op4 already verified within main loop */ 1487| | 1488| | /* finish bitStreams one by one */ 1489| 66| HUF_decodeStreamX2(op1, &bitD1, opStart2, dt, dtLog); 1490| 66| HUF_decodeStreamX2(op2, &bitD2, opStart3, dt, dtLog); 1491| 66| HUF_decodeStreamX2(op3, &bitD3, opStart4, dt, dtLog); 1492| 66| HUF_decodeStreamX2(op4, &bitD4, oend, dt, dtLog); 1493| | 1494| | /* check */ 1495| 66| { U32 const endCheck = BIT_endOfDStream(&bitD1) & BIT_endOfDStream(&bitD2) & BIT_endOfDStream(&bitD3) & BIT_endOfDStream(&bitD4); 1496| 66| if (!endCheck) return ERROR(corruption_detected); } ------------------ | | 49| 66|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 66|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 66|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1496:15): [True: 66, False: 0] ------------------ 1497| | 1498| | /* decoded size */ 1499| 0| return dstSize; 1500| 66| } 1501| 66|} huf_decompress.c:HUF_decompress4X2_usingDTable_internal_bmi2: 1506| 71| size_t cSrcSize, HUF_DTable const* DTable) { 1507| 71| return HUF_decompress4X2_usingDTable_internal_body(dst, dstSize, cSrc, cSrcSize, DTable); 1508| 71|} huf_decompress.c:HUF_decompress4X2_usingDTable_internal_fast: 1671| 180| HUF_DecompressFastLoopFn loopFn) { 1672| 180| void const* dt = DTable + 1; 1673| 180| const BYTE* const ilowest = (const BYTE*)cSrc; 1674| 180| BYTE* const oend = ZSTD_maybeNullPtrAdd((BYTE*)dst, dstSize); 1675| 180| HUF_DecompressFastArgs args; 1676| 180| { 1677| 180| size_t const ret = HUF_DecompressFastArgs_init(&args, dst, dstSize, cSrc, cSrcSize, DTable); 1678| 180| FORWARD_IF_ERROR(ret, "Failed to init asm args"); ------------------ | | 146| 180| do { \ | | 147| 180| size_t const err_code = (err); \ | | 148| 180| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 3, False: 177] | | ------------------ | | 149| 3| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 150| 3| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 152| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 153| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 154| 3| return err_code; \ | | 155| 3| } \ | | 156| 180| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 177] | | ------------------ ------------------ 1679| 177| if (ret == 0) ------------------ | Branch (1679:13): [True: 71, False: 106] ------------------ 1680| 71| return 0; 1681| 177| } 1682| | 1683| 106| assert(args.ip[0] >= args.ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1684| 106| loopFn(&args); 1685| | 1686| | /* note : op4 already verified within main loop */ 1687| 106| assert(args.ip[0] >= ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1688| 106| assert(args.ip[1] >= ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1689| 106| assert(args.ip[2] >= ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1690| 106| assert(args.ip[3] >= ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1691| 106| assert(args.op[3] <= oend); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1692| | 1693| 106| assert(ilowest == args.ilowest); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1694| 106| assert(ilowest + 6 == args.iend[0]); ------------------ | | 70| 106|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1695| 106| (void)ilowest; 1696| | 1697| | /* finish bitStreams one by one */ 1698| 106| { 1699| 106| size_t const segmentSize = (dstSize+3) / 4; 1700| 106| BYTE* segmentEnd = (BYTE*)dst; 1701| 106| int i; 1702| 528| for (i = 0; i < 4; ++i) { ------------------ | Branch (1702:21): [True: 424, False: 104] ------------------ 1703| 424| BIT_DStream_t bit; 1704| 424| if (segmentSize <= (size_t)(oend - segmentEnd)) ------------------ | Branch (1704:17): [True: 326, False: 98] ------------------ 1705| 326| segmentEnd += segmentSize; 1706| 98| else 1707| 98| segmentEnd = oend; 1708| 424| FORWARD_IF_ERROR(HUF_initRemainingDStream(&bit, &args, i, segmentEnd), "corruption"); ------------------ | | 146| 424| do { \ | | 147| 424| size_t const err_code = (err); \ | | 148| 424| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 2, False: 422] | | ------------------ | | 149| 2| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 150| 2| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 152| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 153| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 154| 2| return err_code; \ | | 155| 2| } \ | | 156| 424| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 422] | | ------------------ ------------------ 1709| 422| args.op[i] += HUF_decodeStreamX2(args.op[i], &bit, segmentEnd, (HUF_DEltX2 const*)dt, HUF_DECODER_FAST_TABLELOG); ------------------ | | 31| 422|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ 1710| 422| if (args.op[i] != segmentEnd) ------------------ | Branch (1710:17): [True: 0, False: 422] ------------------ 1711| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 1712| 422| } 1713| 106| } 1714| | 1715| | /* decoded size */ 1716| 104| return dstSize; 1717| 106|} huf_decompress.c:HUF_DecompressFastArgs_init: 192| 2.92k|{ 193| 2.92k| void const* dt = DTable + 1; 194| 2.92k| U32 const dtLog = HUF_getDTableDesc(DTable).tableLog; 195| | 196| 2.92k| const BYTE* const istart = (const BYTE*)src; 197| | 198| 2.92k| BYTE* const oend = ZSTD_maybeNullPtrAdd((BYTE*)dst, dstSize); 199| | 200| | /* The fast decoding loop assumes 64-bit little-endian. 201| | * This condition is false on x32. 202| | */ 203| 2.92k| if (!MEM_isLittleEndian() || MEM_32bits()) ------------------ | Branch (203:9): [True: 0, False: 2.92k] | Branch (203:34): [True: 0, False: 2.92k] ------------------ 204| 0| return 0; 205| | 206| | /* Avoid nullptr addition */ 207| 2.92k| if (dstSize == 0) ------------------ | Branch (207:9): [True: 0, False: 2.92k] ------------------ 208| 0| return 0; 209| 2.92k| assert(dst != NULL); ------------------ | | 70| 2.92k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 210| | 211| | /* strict minimum : jump table + 1 byte per stream */ 212| 2.92k| if (srcSize < 10) ------------------ | Branch (212:9): [True: 0, False: 2.92k] ------------------ 213| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 214| | 215| | /* Must have at least 8 bytes per stream because we don't handle initializing smaller bit containers. 216| | * If table log is not correct at this point, fallback to the old decoder. 217| | * On small inputs we don't have enough data to trigger the fast loop, so use the old decoder. 218| | */ 219| 2.92k| if (dtLog != HUF_DECODER_FAST_TABLELOG) ------------------ | | 31| 2.92k|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ | Branch (219:9): [True: 67, False: 2.86k] ------------------ 220| 67| return 0; 221| | 222| | /* Read the jump table. */ 223| 2.86k| { 224| 2.86k| size_t const length1 = MEM_readLE16(istart); 225| 2.86k| size_t const length2 = MEM_readLE16(istart+2); 226| 2.86k| size_t const length3 = MEM_readLE16(istart+4); 227| 2.86k| size_t const length4 = srcSize - (length1 + length2 + length3 + 6); 228| 2.86k| args->iend[0] = istart + 6; /* jumpTable */ 229| 2.86k| args->iend[1] = args->iend[0] + length1; 230| 2.86k| args->iend[2] = args->iend[1] + length2; 231| 2.86k| args->iend[3] = args->iend[2] + length3; 232| | 233| | /* HUF_initFastDStream() requires this, and this small of an input 234| | * won't benefit from the ASM loop anyways. 235| | */ 236| 2.86k| if (length1 < 8 || length2 < 8 || length3 < 8 || length4 < 8) ------------------ | Branch (236:13): [True: 12, False: 2.84k] | Branch (236:28): [True: 14, False: 2.83k] | Branch (236:43): [True: 12, False: 2.82k] | Branch (236:58): [True: 13, False: 2.81k] ------------------ 237| 51| return 0; 238| 2.81k| if (length4 > srcSize) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (238:13): [True: 7, False: 2.80k] ------------------ 239| 2.81k| } 240| | /* ip[] contains the position that is currently loaded into bits[]. */ 241| 2.80k| args->ip[0] = args->iend[1] - sizeof(U64); 242| 2.80k| args->ip[1] = args->iend[2] - sizeof(U64); 243| 2.80k| args->ip[2] = args->iend[3] - sizeof(U64); 244| 2.80k| args->ip[3] = (BYTE const*)src + srcSize - sizeof(U64); 245| | 246| | /* op[] contains the output pointers. */ 247| 2.80k| args->op[0] = (BYTE*)dst; 248| 2.80k| args->op[1] = args->op[0] + (dstSize+3)/4; 249| 2.80k| args->op[2] = args->op[1] + (dstSize+3)/4; 250| 2.80k| args->op[3] = args->op[2] + (dstSize+3)/4; 251| | 252| | /* No point to call the ASM loop for tiny outputs. */ 253| 2.80k| if (args->op[3] >= oend) ------------------ | Branch (253:9): [True: 0, False: 2.80k] ------------------ 254| 0| return 0; 255| | 256| | /* bits[] is the bit container. 257| | * It is read from the MSB down to the LSB. 258| | * It is shifted left as it is read, and zeros are 259| | * shifted in. After the lowest valid bit a 1 is 260| | * set, so that CountTrailingZeros(bits[]) can be used 261| | * to count how many bits we've consumed. 262| | */ 263| 2.80k| args->bits[0] = HUF_initFastDStream(args->ip[0]); 264| 2.80k| args->bits[1] = HUF_initFastDStream(args->ip[1]); 265| 2.80k| args->bits[2] = HUF_initFastDStream(args->ip[2]); 266| 2.80k| args->bits[3] = HUF_initFastDStream(args->ip[3]); 267| | 268| | /* The decoders must be sure to never read beyond ilowest. 269| | * This is lower than iend[0], but allowing decoders to read 270| | * down to ilowest can allow an extra iteration or two in the 271| | * fast loop. 272| | */ 273| 2.80k| args->ilowest = istart; 274| | 275| 2.80k| args->oend = oend; 276| 2.80k| args->dt = dt; 277| | 278| 2.80k| return 1; 279| 2.80k|} huf_decompress.c:HUF_initFastDStream: 150| 11.2k|static size_t HUF_initFastDStream(BYTE const* ip) { 151| 11.2k| BYTE const lastByte = ip[7]; 152| 11.2k| size_t const bitsConsumed = lastByte ? 8 - ZSTD_highbit32(lastByte) : 0; ------------------ | Branch (152:33): [True: 5.73k, False: 5.47k] ------------------ 153| 11.2k| size_t const value = MEM_readLEST(ip) | 1; 154| 11.2k| assert(bitsConsumed <= 8); ------------------ | | 70| 11.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 155| 11.2k| assert(sizeof(size_t) == 8); ------------------ | | 70| 11.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 156| 11.2k| return value << bitsConsumed; 157| 11.2k|} huf_decompress.c:HUF_initRemainingDStream: 282| 11.2k|{ 283| | /* Validate that we haven't overwritten. */ 284| 11.2k| if (args->op[stream] > segmentEnd) ------------------ | Branch (284:9): [True: 0, False: 11.2k] ------------------ 285| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 286| | /* Validate that we haven't read beyond iend[]. 287| | * Note that ip[] may be < iend[] because the MSB is 288| | * the next bit to read, and we may have consumed 100% 289| | * of the stream, so down to iend[i] - 8 is valid. 290| | */ 291| 11.2k| if (args->ip[stream] < args->iend[stream] - 8) ------------------ | Branch (291:9): [True: 3, False: 11.2k] ------------------ 292| 3| return ERROR(corruption_detected); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 293| | 294| | /* Construct the BIT_DStream_t. */ 295| 11.2k| assert(sizeof(size_t) == 8); ------------------ | | 70| 11.2k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 296| 11.2k| bit->bitContainer = MEM_readLEST(args->ip[stream]); 297| 11.2k| bit->bitsConsumed = ZSTD_countTrailingZeros64(args->bits[stream]); 298| 11.2k| bit->start = (const char*)args->ilowest; 299| 11.2k| bit->limitPtr = bit->start + sizeof(size_t); 300| 11.2k| bit->ptr = (const char*)args->ip[stream]; 301| | 302| 11.2k| return 0; 303| 11.2k|} huf_decompress.c:HUF_decompress4X1_usingDTable_internal: 899| 2.74k|{ 900| 2.74k| HUF_DecompressUsingDTableFn fallbackFn = HUF_decompress4X1_usingDTable_internal_default; 901| 2.74k| HUF_DecompressFastLoopFn loopFn = HUF_decompress4X1_usingDTable_internal_fast_c_loop; 902| | 903| 2.74k|#if DYNAMIC_BMI2 904| 2.74k| if (flags & HUF_flags_bmi2) { ------------------ | Branch (904:9): [True: 2.74k, False: 0] ------------------ 905| 2.74k| fallbackFn = HUF_decompress4X1_usingDTable_internal_bmi2; 906| 2.74k|# if ZSTD_ENABLE_ASM_X86_64_BMI2 907| 2.74k| if (!(flags & HUF_flags_disableAsm)) { ------------------ | Branch (907:13): [True: 2.74k, False: 0] ------------------ 908| 2.74k| loopFn = HUF_decompress4X1_usingDTable_internal_fast_asm_loop; 909| 2.74k| } 910| 2.74k|# endif 911| 2.74k| } else { 912| 0| return fallbackFn(dst, dstSize, cSrc, cSrcSize, DTable); 913| 0| } 914| 2.74k|#endif 915| | 916| |#if ZSTD_ENABLE_ASM_X86_64_BMI2 && defined(__BMI2__) 917| | if (!(flags & HUF_flags_disableAsm)) { 918| | loopFn = HUF_decompress4X1_usingDTable_internal_fast_asm_loop; 919| | } 920| |#endif 921| | 922| 2.74k| if (HUF_ENABLE_FAST_DECODE && !(flags & HUF_flags_disableFast)) { ------------------ | | 40| 5.49k|# define HUF_ENABLE_FAST_DECODE 1 | | ------------------ | | | Branch (40:33): [True: 2.74k, Folded] | | ------------------ ------------------ | Branch (922:35): [True: 2.74k, False: 0] ------------------ 923| 2.74k| size_t const ret = HUF_decompress4X1_usingDTable_internal_fast(dst, dstSize, cSrc, cSrcSize, DTable, loopFn); 924| 2.74k| if (ret != 0) ------------------ | Branch (924:13): [True: 2.70k, False: 47] ------------------ 925| 2.70k| return ret; 926| 2.74k| } 927| 47| return fallbackFn(dst, dstSize, cSrc, cSrcSize, DTable); 928| 2.74k|} huf_decompress.c:HUF_decompress4X1_usingDTable_internal_body: 606| 47|{ 607| | /* Check */ 608| 47| if (cSrcSize < 10) return ERROR(corruption_detected); /* strict minimum : jump table + 1 byte per stream */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (608:9): [True: 0, False: 47] ------------------ 609| 47| if (dstSize < 6) return ERROR(corruption_detected); /* stream 4-split doesn't work */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (609:9): [True: 0, False: 47] ------------------ 610| | 611| 47| { const BYTE* const istart = (const BYTE*) cSrc; 612| 47| BYTE* const ostart = (BYTE*) dst; 613| 47| BYTE* const oend = ostart + dstSize; 614| 47| BYTE* const olimit = oend - 3; 615| 47| const void* const dtPtr = DTable + 1; 616| 47| const HUF_DEltX1* const dt = (const HUF_DEltX1*)dtPtr; 617| | 618| | /* Init */ 619| 47| BIT_DStream_t bitD1; 620| 47| BIT_DStream_t bitD2; 621| 47| BIT_DStream_t bitD3; 622| 47| BIT_DStream_t bitD4; 623| 47| size_t const length1 = MEM_readLE16(istart); 624| 47| size_t const length2 = MEM_readLE16(istart+2); 625| 47| size_t const length3 = MEM_readLE16(istart+4); 626| 47| size_t const length4 = cSrcSize - (length1 + length2 + length3 + 6); 627| 47| const BYTE* const istart1 = istart + 6; /* jumpTable */ 628| 47| const BYTE* const istart2 = istart1 + length1; 629| 47| const BYTE* const istart3 = istart2 + length2; 630| 47| const BYTE* const istart4 = istart3 + length3; 631| 47| const size_t segmentSize = (dstSize+3) / 4; 632| 47| BYTE* const opStart2 = ostart + segmentSize; 633| 47| BYTE* const opStart3 = opStart2 + segmentSize; 634| 47| BYTE* const opStart4 = opStart3 + segmentSize; 635| 47| BYTE* op1 = ostart; 636| 47| BYTE* op2 = opStart2; 637| 47| BYTE* op3 = opStart3; 638| 47| BYTE* op4 = opStart4; 639| 47| DTableDesc const dtd = HUF_getDTableDesc(DTable); 640| 47| U32 const dtLog = dtd.tableLog; 641| 47| U32 endSignal = 1; 642| | 643| 47| if (length4 > cSrcSize) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (643:13): [True: 5, False: 42] ------------------ 644| 42| if (opStart4 > oend) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (644:13): [True: 0, False: 42] ------------------ 645| 42| assert(dstSize >= 6); /* validated above */ ------------------ | | 70| 42|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 646| 42| CHECK_F( BIT_initDStream(&bitD1, istart1, length1) ); ------------------ | | 63| 42|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 42| size_t const e = f; \ | | | | 59| 42| do { \ | | | | 60| 42| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 42] | | | | ------------------ | | | | 61| 42| return e; \ | | | | 62| 42| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 42] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 42] | | ------------------ ------------------ 647| 42| CHECK_F( BIT_initDStream(&bitD2, istart2, length2) ); ------------------ | | 63| 42|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 42| size_t const e = f; \ | | | | 59| 42| do { \ | | | | 60| 42| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 0, False: 42] | | | | ------------------ | | | | 61| 42| return e; \ | | | | 62| 42| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 42] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 42] | | ------------------ ------------------ 648| 42| CHECK_F( BIT_initDStream(&bitD3, istart3, length3) ); ------------------ | | 63| 42|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 42| size_t const e = f; \ | | | | 59| 42| do { \ | | | | 60| 42| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 1, False: 41] | | | | ------------------ | | | | 61| 42| return e; \ | | | | 62| 42| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 41] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 41] | | ------------------ ------------------ 649| 41| CHECK_F( BIT_initDStream(&bitD4, istart4, length4) ); ------------------ | | 63| 41|#define CHECK_F(f) do { CHECK_V_F(_var_err__, f); } while (0) | | ------------------ | | | | 58| 41| size_t const e = f; \ | | | | 59| 41| do { \ | | | | 60| 41| if (ERR_isError(e)) \ | | | | ------------------ | | | | | Branch (60:13): [True: 3, False: 38] | | | | ------------------ | | | | 61| 41| return e; \ | | | | 62| 41| } while (0) | | | | ------------------ | | | | | Branch (62:14): [Folded, False: 38] | | | | ------------------ | | ------------------ | | | Branch (63:62): [Folded, False: 38] | | ------------------ ------------------ 650| | 651| | /* up to 16 symbols per loop (4 symbols per stream) in 64-bit mode */ 652| 38| if ((size_t)(oend - op4) >= sizeof(size_t)) { ------------------ | Branch (652:13): [True: 37, False: 1] ------------------ 653| 397| for ( ; (endSignal) & (op4 < olimit) ; ) { ------------------ | Branch (653:21): [True: 360, False: 37] ------------------ 654| 360| HUF_DECODE_SYMBOLX1_2(op1, &bitD1); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 655| 360| HUF_DECODE_SYMBOLX1_2(op2, &bitD2); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 656| 360| HUF_DECODE_SYMBOLX1_2(op3, &bitD3); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 657| 360| HUF_DECODE_SYMBOLX1_2(op4, &bitD4); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 658| 360| HUF_DECODE_SYMBOLX1_1(op1, &bitD1); ------------------ | | 534| 360| do { \ | | 535| 360| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (535:13): [True: 360, False: 0] | | | Branch (535:29): [True: 0, Folded] | | ------------------ | | 536| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 537| 360| } while (0) | | ------------------ | | | Branch (537:14): [Folded, False: 360] | | ------------------ ------------------ 659| 360| HUF_DECODE_SYMBOLX1_1(op2, &bitD2); ------------------ | | 534| 360| do { \ | | 535| 360| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (535:13): [True: 360, False: 0] | | | Branch (535:29): [True: 0, Folded] | | ------------------ | | 536| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 537| 360| } while (0) | | ------------------ | | | Branch (537:14): [Folded, False: 360] | | ------------------ ------------------ 660| 360| HUF_DECODE_SYMBOLX1_1(op3, &bitD3); ------------------ | | 534| 360| do { \ | | 535| 360| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (535:13): [True: 360, False: 0] | | | Branch (535:29): [True: 0, Folded] | | ------------------ | | 536| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 537| 360| } while (0) | | ------------------ | | | Branch (537:14): [Folded, False: 360] | | ------------------ ------------------ 661| 360| HUF_DECODE_SYMBOLX1_1(op4, &bitD4); ------------------ | | 534| 360| do { \ | | 535| 360| if (MEM_64bits() || (HUF_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 37| 0|#define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_TABLELOG_ABSOLUTEMAX */ | | ------------------ | | | Branch (535:13): [True: 360, False: 0] | | | Branch (535:29): [True: 0, Folded] | | ------------------ | | 536| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 537| 360| } while (0) | | ------------------ | | | Branch (537:14): [Folded, False: 360] | | ------------------ ------------------ 662| 360| HUF_DECODE_SYMBOLX1_2(op1, &bitD1); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 663| 360| HUF_DECODE_SYMBOLX1_2(op2, &bitD2); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 664| 360| HUF_DECODE_SYMBOLX1_2(op3, &bitD3); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 665| 360| HUF_DECODE_SYMBOLX1_2(op4, &bitD4); ------------------ | | 540| 360| do { \ | | 541| 360| if (MEM_64bits()) \ | | ------------------ | | | Branch (541:13): [True: 360, False: 0] | | ------------------ | | 542| 360| HUF_DECODE_SYMBOLX1_0(ptr, DStreamPtr); \ | | ------------------ | | | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | | | ------------------ | | | | | Branch (531:71): [Folded, False: 360] | | | | ------------------ | | ------------------ | | 543| 360| } while (0) | | ------------------ | | | Branch (543:14): [Folded, False: 360] | | ------------------ ------------------ 666| 360| HUF_DECODE_SYMBOLX1_0(op1, &bitD1); ------------------ | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 360] | | ------------------ ------------------ 667| 360| HUF_DECODE_SYMBOLX1_0(op2, &bitD2); ------------------ | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 360] | | ------------------ ------------------ 668| 360| HUF_DECODE_SYMBOLX1_0(op3, &bitD3); ------------------ | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 360] | | ------------------ ------------------ 669| 360| HUF_DECODE_SYMBOLX1_0(op4, &bitD4); ------------------ | | 531| 360| do { *ptr++ = HUF_decodeSymbolX1(DStreamPtr, dt, dtLog); } while (0) | | ------------------ | | | Branch (531:71): [Folded, False: 360] | | ------------------ ------------------ 670| 360| endSignal &= BIT_reloadDStreamFast(&bitD1) == BIT_DStream_unfinished; 671| 360| endSignal &= BIT_reloadDStreamFast(&bitD2) == BIT_DStream_unfinished; 672| 360| endSignal &= BIT_reloadDStreamFast(&bitD3) == BIT_DStream_unfinished; 673| 360| endSignal &= BIT_reloadDStreamFast(&bitD4) == BIT_DStream_unfinished; 674| 360| } 675| 37| } 676| | 677| | /* check corruption */ 678| | /* note : should not be necessary : op# advance in lock step, and we control op4. 679| | * but curiously, binary generated by gcc 7.2 & 7.3 with -mbmi2 runs faster when >=1 test is present */ 680| 38| if (op1 > opStart2) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (680:13): [True: 0, False: 38] ------------------ 681| 38| if (op2 > opStart3) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (681:13): [True: 0, False: 38] ------------------ 682| 38| if (op3 > opStart4) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (682:13): [True: 0, False: 38] ------------------ 683| | /* note : op4 supposed already verified within main loop */ 684| | 685| | /* finish bitStreams one by one */ 686| 38| HUF_decodeStreamX1(op1, &bitD1, opStart2, dt, dtLog); 687| 38| HUF_decodeStreamX1(op2, &bitD2, opStart3, dt, dtLog); 688| 38| HUF_decodeStreamX1(op3, &bitD3, opStart4, dt, dtLog); 689| 38| HUF_decodeStreamX1(op4, &bitD4, oend, dt, dtLog); 690| | 691| | /* check */ 692| 38| { U32 const endCheck = BIT_endOfDStream(&bitD1) & BIT_endOfDStream(&bitD2) & BIT_endOfDStream(&bitD3) & BIT_endOfDStream(&bitD4); 693| 38| if (!endCheck) return ERROR(corruption_detected); } ------------------ | | 49| 38|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 38|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 38|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (693:15): [True: 38, False: 0] ------------------ 694| | 695| | /* decoded size */ 696| 0| return dstSize; 697| 38| } 698| 38|} huf_decompress.c:HUF_decompress4X1_usingDTable_internal_bmi2: 703| 47| size_t cSrcSize, HUF_DTable const* DTable) { 704| 47| return HUF_decompress4X1_usingDTable_internal_body(dst, dstSize, cSrc, cSrcSize, DTable); 705| 47|} huf_decompress.c:HUF_decompress4X1_usingDTable_internal_fast: 845| 2.74k|{ 846| 2.74k| void const* dt = DTable + 1; 847| 2.74k| BYTE const* const ilowest = (BYTE const*)cSrc; 848| 2.74k| BYTE* const oend = ZSTD_maybeNullPtrAdd((BYTE*)dst, dstSize); 849| 2.74k| HUF_DecompressFastArgs args; 850| 2.74k| { size_t const ret = HUF_DecompressFastArgs_init(&args, dst, dstSize, cSrc, cSrcSize, DTable); 851| 2.74k| FORWARD_IF_ERROR(ret, "Failed to init fast loop args"); ------------------ | | 146| 2.74k| do { \ | | 147| 2.74k| size_t const err_code = (err); \ | | 148| 2.74k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 4, False: 2.74k] | | ------------------ | | 149| 4| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 150| 4| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 4| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 4| do { \ | | | | 99| 4| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 4] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 4| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 152| 4| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 153| 4| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 154| 4| return err_code; \ | | 155| 4| } \ | | 156| 2.74k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 2.74k] | | ------------------ ------------------ 852| 2.74k| if (ret == 0) ------------------ | Branch (852:13): [True: 47, False: 2.69k] ------------------ 853| 47| return 0; 854| 2.74k| } 855| | 856| 2.69k| assert(args.ip[0] >= args.ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 857| 2.69k| loopFn(&args); 858| | 859| | /* Our loop guarantees that ip[] >= ilowest and that we haven't 860| | * overwritten any op[]. 861| | */ 862| 2.69k| assert(args.ip[0] >= ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 863| 2.69k| assert(args.ip[0] >= ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 864| 2.69k| assert(args.ip[1] >= ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 865| 2.69k| assert(args.ip[2] >= ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 866| 2.69k| assert(args.ip[3] >= ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 867| 2.69k| assert(args.op[3] <= oend); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 868| | 869| 2.69k| assert(ilowest == args.ilowest); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 870| 2.69k| assert(ilowest + 6 == args.iend[0]); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 871| 2.69k| (void)ilowest; 872| | 873| | /* finish bit streams one by one. */ 874| 2.69k| { size_t const segmentSize = (dstSize+3) / 4; 875| 2.69k| BYTE* segmentEnd = (BYTE*)dst; 876| 2.69k| int i; 877| 13.4k| for (i = 0; i < 4; ++i) { ------------------ | Branch (877:21): [True: 10.7k, False: 2.69k] ------------------ 878| 10.7k| BIT_DStream_t bit; 879| 10.7k| if (segmentSize <= (size_t)(oend - segmentEnd)) ------------------ | Branch (879:17): [True: 9.86k, False: 923] ------------------ 880| 9.86k| segmentEnd += segmentSize; 881| 923| else 882| 923| segmentEnd = oend; 883| 10.7k| FORWARD_IF_ERROR(HUF_initRemainingDStream(&bit, &args, i, segmentEnd), "corruption"); ------------------ | | 146| 10.7k| do { \ | | 147| 10.7k| size_t const err_code = (err); \ | | 148| 10.7k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 1, False: 10.7k] | | ------------------ | | 149| 1| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 150| 1| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 152| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 153| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 154| 1| return err_code; \ | | 155| 1| } \ | | 156| 10.7k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 10.7k] | | ------------------ ------------------ 884| | /* Decompress and validate that we've produced exactly the expected length. */ 885| 10.7k| args.op[i] += HUF_decodeStreamX1(args.op[i], &bit, segmentEnd, (HUF_DEltX1 const*)dt, HUF_DECODER_FAST_TABLELOG); ------------------ | | 31| 10.7k|#define HUF_DECODER_FAST_TABLELOG 11 ------------------ 886| 10.7k| if (args.op[i] != segmentEnd) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (886:17): [True: 0, False: 10.7k] ------------------ 887| 10.7k| } 888| 2.69k| } 889| | 890| | /* decoded size */ 891| 2.69k| assert(dstSize != 0); ------------------ | | 70| 2.69k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 892| 2.69k| return dstSize; 893| 2.69k|} huf_decompress.c:HUF_decompress4X2_DCtx_wksp: 1772| 105|{ 1773| 105| const BYTE* ip = (const BYTE*) cSrc; 1774| | 1775| 105| size_t hSize = HUF_readDTableX2_wksp(dctx, cSrc, cSrcSize, 1776| 105| workSpace, wkspSize, flags); 1777| 105| if (HUF_isError(hSize)) return hSize; ------------------ | | 78| 105|#define HUF_isError ERR_isError ------------------ | Branch (1777:9): [True: 2, False: 103] ------------------ 1778| 103| if (hSize >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1778:9): [True: 0, False: 103] ------------------ 1779| 103| ip += hSize; cSrcSize -= hSize; 1780| | 1781| 103| return HUF_decompress4X2_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx, flags); 1782| 103|} huf_decompress.c:HUF_decompress4X1_DCtx_wksp: 933| 2.75k|{ 934| 2.75k| const BYTE* ip = (const BYTE*) cSrc; 935| | 936| 2.75k| size_t const hSize = HUF_readDTableX1_wksp(dctx, cSrc, cSrcSize, workSpace, wkspSize, flags); 937| 2.75k| if (HUF_isError(hSize)) return hSize; ------------------ | | 78| 2.75k|#define HUF_isError ERR_isError ------------------ | Branch (937:9): [True: 29, False: 2.72k] ------------------ 938| 2.72k| if (hSize >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (938:9): [True: 0, False: 2.72k] ------------------ 939| 2.72k| ip += hSize; cSrcSize -= hSize; 940| | 941| 2.72k| return HUF_decompress4X1_usingDTable_internal(dst, dstSize, ip, cSrcSize, dctx, flags); 942| 2.72k|} ZSTD_DDict_dictContent: 47| 2.00k|{ 48| 2.00k| assert(ddict != NULL); ------------------ | | 70| 2.00k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 49| 2.00k| return ddict->dictContent; 50| 2.00k|} ZSTD_DDict_dictSize: 53| 2.00k|{ 54| 2.00k| assert(ddict != NULL); ------------------ | | 70| 2.00k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 55| 2.00k| return ddict->dictSize; 56| 2.00k|} ZSTD_copyDDictParameters: 59| 972|{ 60| 972| DEBUGLOG(4, "ZSTD_copyDDictParameters"); ------------------ | | 104| 972|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 972] | | ------------------ ------------------ 61| 972| assert(dctx != NULL); ------------------ | | 70| 972|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 62| 972| assert(ddict != NULL); ------------------ | | 70| 972|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 63| 972| dctx->dictID = ddict->dictID; 64| 972| dctx->prefixStart = ddict->dictContent; 65| 972| dctx->virtualStart = ddict->dictContent; 66| 972| dctx->dictEnd = (const BYTE*)ddict->dictContent + ddict->dictSize; 67| 972| dctx->previousDstEnd = dctx->dictEnd; 68| 972|#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION 69| 972| dctx->dictContentBeginForFuzzing = dctx->prefixStart; 70| 972| dctx->dictContentEndForFuzzing = dctx->previousDstEnd; 71| 972|#endif 72| 972| if (ddict->entropyPresent) { ------------------ | Branch (72:9): [True: 206, False: 766] ------------------ 73| 206| dctx->litEntropy = 1; 74| 206| dctx->fseEntropy = 1; 75| 206| dctx->LLTptr = ddict->entropy.LLTable; 76| 206| dctx->MLTptr = ddict->entropy.MLTable; 77| 206| dctx->OFTptr = ddict->entropy.OFTable; 78| 206| dctx->HUFptr = ddict->entropy.hufTable; 79| 206| dctx->entropy.rep[0] = ddict->entropy.rep[0]; 80| 206| dctx->entropy.rep[1] = ddict->entropy.rep[1]; 81| 206| dctx->entropy.rep[2] = ddict->entropy.rep[2]; 82| 766| } else { 83| 766| dctx->litEntropy = 0; 84| 766| dctx->fseEntropy = 0; 85| 766| } 86| 972|} ZSTD_createDDict_advanced: 149| 787|{ 150| 787| if ((!customMem.customAlloc) ^ (!customMem.customFree)) return NULL; ------------------ | Branch (150:9): [True: 0, False: 787] ------------------ 151| | 152| 787| { ZSTD_DDict* const ddict = (ZSTD_DDict*) ZSTD_customMalloc(sizeof(ZSTD_DDict), customMem); 153| 787| if (ddict == NULL) return NULL; ------------------ | Branch (153:13): [True: 0, False: 787] ------------------ 154| 787| ddict->cMem = customMem; 155| 787| { size_t const initResult = ZSTD_initDDict_internal(ddict, 156| 787| dict, dictSize, 157| 787| dictLoadMethod, dictContentType); 158| 787| if (ZSTD_isError(initResult)) { ------------------ | | 44| 787|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (158:17): [True: 8, False: 779] ------------------ 159| 8| ZSTD_freeDDict(ddict); 160| 8| return NULL; 161| 8| } } 162| 779| return ddict; 163| 787| } 164| 787|} ZSTD_createDDict: 171| 787|{ 172| 787| ZSTD_customMem const allocator = { NULL, NULL, NULL }; 173| 787| return ZSTD_createDDict_advanced(dict, dictSize, ZSTD_dlm_byCopy, ZSTD_dct_auto, allocator); 174| 787|} ZSTD_freeDDict: 213| 4.45k|{ 214| 4.45k| if (ddict==NULL) return 0; /* support free on NULL */ ------------------ | Branch (214:9): [True: 3.66k, False: 787] ------------------ 215| 787| { ZSTD_customMem const cMem = ddict->cMem; 216| 787| ZSTD_customFree(ddict->dictBuffer, cMem); 217| 787| ZSTD_customFree(ddict, cMem); 218| 787| return 0; 219| 4.45k| } 220| 4.45k|} zstd_ddict.c:ZSTD_initDDict_internal: 124| 787|{ 125| 787| if ((dictLoadMethod == ZSTD_dlm_byRef) || (!dict) || (!dictSize)) { ------------------ | Branch (125:9): [True: 0, False: 787] | Branch (125:47): [True: 0, False: 787] | Branch (125:58): [True: 0, False: 787] ------------------ 126| 0| ddict->dictBuffer = NULL; 127| 0| ddict->dictContent = dict; 128| 0| if (!dict) dictSize = 0; ------------------ | Branch (128:13): [True: 0, False: 0] ------------------ 129| 787| } else { 130| 787| void* const internalBuffer = ZSTD_customMalloc(dictSize, ddict->cMem); 131| 787| ddict->dictBuffer = internalBuffer; 132| 787| ddict->dictContent = internalBuffer; 133| 787| if (!internalBuffer) return ERROR(memory_allocation); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (133:13): [True: 0, False: 787] ------------------ 134| 787| ZSTD_memcpy(internalBuffer, dict, dictSize); ------------------ | | 44| 787|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 135| 787| } 136| 787| ddict->dictSize = dictSize; 137| 787| ddict->entropy.hufTable[0] = (HUF_DTable)((ZSTD_HUFFDTABLE_CAPACITY_LOG)*0x1000001); /* cover both little and big endian */ ------------------ | | 78| 787|#define ZSTD_HUFFDTABLE_CAPACITY_LOG 12 ------------------ 138| | 139| | /* parse dictionary content */ 140| 787| FORWARD_IF_ERROR( ZSTD_loadEntropy_intoDDict(ddict, dictContentType) , ""); ------------------ | | 146| 787| do { \ | | 147| 787| size_t const err_code = (err); \ | | 148| 787| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 8, False: 779] | | ------------------ | | 149| 8| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 150| 8| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 8| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 8| do { \ | | | | 99| 8| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 8] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 8| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 152| 8| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 153| 8| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 154| 8| return err_code; \ | | 155| 8| } \ | | 156| 787| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 779] | | ------------------ ------------------ 141| | 142| 779| return 0; 143| 787|} zstd_ddict.c:ZSTD_loadEntropy_intoDDict: 92| 787|{ 93| 787| ddict->dictID = 0; 94| 787| ddict->entropyPresent = 0; 95| 787| if (dictContentType == ZSTD_dct_rawContent) return 0; ------------------ | Branch (95:9): [True: 0, False: 787] ------------------ 96| | 97| 787| if (ddict->dictSize < 8) { ------------------ | Branch (97:9): [True: 3, False: 784] ------------------ 98| 3| if (dictContentType == ZSTD_dct_fullDict) ------------------ | Branch (98:13): [True: 0, False: 3] ------------------ 99| 0| return ERROR(dictionary_corrupted); /* only accept specified dictionaries */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 100| 3| return 0; /* pure content mode */ 101| 3| } 102| 784| { U32 const magic = MEM_readLE32(ddict->dictContent); 103| 784| if (magic != ZSTD_MAGIC_DICTIONARY) { ------------------ | | 143| 784|#define ZSTD_MAGIC_DICTIONARY 0xEC30A437 /* valid since v0.7.0 */ ------------------ | Branch (103:13): [True: 684, False: 100] ------------------ 104| 684| if (dictContentType == ZSTD_dct_fullDict) ------------------ | Branch (104:17): [True: 0, False: 684] ------------------ 105| 0| return ERROR(dictionary_corrupted); /* only accept specified dictionaries */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 106| 684| return 0; /* pure content mode */ 107| 684| } 108| 784| } 109| 100| ddict->dictID = MEM_readLE32((const char*)ddict->dictContent + ZSTD_FRAMEIDSIZE); ------------------ | | 82| 100|#define ZSTD_FRAMEIDSIZE 4 /* magic number size */ ------------------ 110| | 111| | /* load entropy tables */ 112| 100| RETURN_ERROR_IF(ZSTD_isError(ZSTD_loadDEntropy( ------------------ | | 114| 100| do { \ | | 115| 100| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 8, False: 92] | | ------------------ | | 116| 8| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 117| 8| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 8| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 8| do { \ | | | | 99| 8| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 8] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 8| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 119| 8| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 120| 8| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 121| 8| return ERROR(err); \ | | ------------------ | | | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 8| } \ | | 123| 100| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 92] | | ------------------ ------------------ 113| 100| &ddict->entropy, ddict->dictContent, ddict->dictSize)), 114| 100| dictionary_corrupted, ""); 115| 92| ddict->entropyPresent = 1; 116| 92| return 0; 117| 100|} ZSTD_createDCtx: 311| 1.87k|{ 312| 1.87k| DEBUGLOG(3, "ZSTD_createDCtx"); ------------------ | | 104| 1.87k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 1.87k] | | ------------------ ------------------ 313| 1.87k| return ZSTD_createDCtx_internal(ZSTD_defaultCMem); 314| 1.87k|} ZSTD_freeDCtx: 325| 1.87k|{ 326| 1.87k| if (dctx==NULL) return 0; /* support free on NULL */ ------------------ | Branch (326:9): [True: 0, False: 1.87k] ------------------ 327| 1.87k| RETURN_ERROR_IF(dctx->staticSize, memory_allocation, "not compatible with static DCtx"); ------------------ | | 114| 1.87k| do { \ | | 115| 1.87k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 1.87k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.87k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.87k] | | ------------------ ------------------ 328| 1.87k| { ZSTD_customMem const cMem = dctx->customMem; 329| 1.87k| ZSTD_clearDict(dctx); 330| 1.87k| ZSTD_customFree(dctx->inBuff, cMem); 331| 1.87k| dctx->inBuff = NULL; 332| 1.87k|#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT >= 1) 333| 1.87k| if (dctx->legacyContext) ------------------ | Branch (333:13): [True: 0, False: 1.87k] ------------------ 334| 0| ZSTD_freeLegacyStreamContext(dctx->legacyContext, dctx->previousLegacyVersion); 335| 1.87k|#endif 336| 1.87k| if (dctx->ddictSet) { ------------------ | Branch (336:13): [True: 0, False: 1.87k] ------------------ 337| 0| ZSTD_freeDDictHashSet(dctx->ddictSet, cMem); 338| | dctx->ddictSet = NULL; 339| 0| } 340| 1.87k| ZSTD_customFree(dctx, cMem); 341| 1.87k| return 0; 342| 1.87k| } 343| 1.87k|} ZSTD_getFrameHeader_advanced: 448| 17.7k|{ 449| 17.7k| const BYTE* ip = (const BYTE*)src; 450| 17.7k| size_t const minInputSize = ZSTD_startingInputLength(format); 451| | 452| 17.7k| DEBUGLOG(5, "ZSTD_getFrameHeader_advanced: minInputSize = %zu, srcSize = %zu", minInputSize, srcSize); ------------------ | | 104| 17.7k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 17.7k] | | ------------------ ------------------ 453| | 454| 17.7k| if (srcSize > 0) { ------------------ | Branch (454:9): [True: 17.7k, False: 0] ------------------ 455| | /* note : technically could be considered an assert(), since it's an invalid entry */ 456| 17.7k| RETURN_ERROR_IF(src==NULL, GENERIC, "invalid parameter : src==NULL, but srcSize>0"); ------------------ | | 114| 17.7k| do { \ | | 115| 17.7k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 17.7k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 17.7k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.7k] | | ------------------ ------------------ 457| 17.7k| } 458| 17.7k| if (srcSize < minInputSize) { ------------------ | Branch (458:9): [True: 0, False: 17.7k] ------------------ 459| 0| if (srcSize > 0 && format != ZSTD_f_zstd1_magicless) { ------------------ | Branch (459:13): [True: 0, False: 0] | Branch (459:28): [True: 0, False: 0] ------------------ 460| | /* when receiving less than @minInputSize bytes, 461| | * control these bytes at least correspond to a supported magic number 462| | * in order to error out early if they don't. 463| | **/ 464| 0| size_t const toCopy = MIN(4, srcSize); ------------------ | | 54| 0|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 0, False: 0] | | ------------------ ------------------ 465| 0| unsigned char hbuf[4]; MEM_writeLE32(hbuf, ZSTD_MAGICNUMBER); ------------------ | | 142| 0|#define ZSTD_MAGICNUMBER 0xFD2FB528 /* valid since v0.8.0 */ ------------------ 466| 0| assert(src != NULL); ------------------ | | 70| 0|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 467| 0| ZSTD_memcpy(hbuf, src, toCopy); ------------------ | | 44| 0|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 468| 0| if ( MEM_readLE32(hbuf) != ZSTD_MAGICNUMBER ) { ------------------ | | 142| 0|#define ZSTD_MAGICNUMBER 0xFD2FB528 /* valid since v0.8.0 */ ------------------ | Branch (468:18): [True: 0, False: 0] ------------------ 469| | /* not a zstd frame : let's check if it's a skippable frame */ 470| 0| MEM_writeLE32(hbuf, ZSTD_MAGIC_SKIPPABLE_START); ------------------ | | 144| 0|#define ZSTD_MAGIC_SKIPPABLE_START 0x184D2A50 /* all 16 values, from 0x184D2A50 to 0x184D2A5F, signal the beginning of a skippable frame */ ------------------ 471| 0| ZSTD_memcpy(hbuf, src, toCopy); ------------------ | | 44| 0|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 472| 0| if ((MEM_readLE32(hbuf) & ZSTD_MAGIC_SKIPPABLE_MASK) != ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 145| 0|#define ZSTD_MAGIC_SKIPPABLE_MASK 0xFFFFFFF0 ------------------ if ((MEM_readLE32(hbuf) & ZSTD_MAGIC_SKIPPABLE_MASK) != ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 144| 0|#define ZSTD_MAGIC_SKIPPABLE_START 0x184D2A50 /* all 16 values, from 0x184D2A50 to 0x184D2A5F, signal the beginning of a skippable frame */ ------------------ | Branch (472:21): [True: 0, False: 0] ------------------ 473| 0| RETURN_ERROR(prefix_unknown, ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 474| 0| "first bytes don't correspond to any supported magic number"); 475| 0| } } } 476| 0| return minInputSize; 477| 0| } 478| | 479| 17.7k| ZSTD_memset(zfhPtr, 0, sizeof(*zfhPtr)); /* not strictly necessary, but static analyzers may not understand that zfhPtr will be read only if return value is zero, since they are 2 different signals */ ------------------ | | 46| 17.7k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 480| 17.7k| if ( (format != ZSTD_f_zstd1_magicless) ------------------ | Branch (480:10): [True: 17.7k, False: 0] ------------------ 481| 17.7k| && (MEM_readLE32(src) != ZSTD_MAGICNUMBER) ) { ------------------ | | 142| 17.7k|#define ZSTD_MAGICNUMBER 0xFD2FB528 /* valid since v0.8.0 */ ------------------ | Branch (481:10): [True: 38, False: 17.6k] ------------------ 482| 38| if ((MEM_readLE32(src) & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 145| 38|#define ZSTD_MAGIC_SKIPPABLE_MASK 0xFFFFFFF0 ------------------ if ((MEM_readLE32(src) & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 144| 38|#define ZSTD_MAGIC_SKIPPABLE_START 0x184D2A50 /* all 16 values, from 0x184D2A50 to 0x184D2A5F, signal the beginning of a skippable frame */ ------------------ | Branch (482:13): [True: 0, False: 38] ------------------ 483| | /* skippable frame */ 484| 0| if (srcSize < ZSTD_SKIPPABLEHEADERSIZE) ------------------ | | 1260| 0|#define ZSTD_SKIPPABLEHEADERSIZE 8 ------------------ | Branch (484:17): [True: 0, False: 0] ------------------ 485| 0| return ZSTD_SKIPPABLEHEADERSIZE; /* magic number + frame length */ ------------------ | | 1260| 0|#define ZSTD_SKIPPABLEHEADERSIZE 8 ------------------ 486| 0| ZSTD_memset(zfhPtr, 0, sizeof(*zfhPtr)); ------------------ | | 46| 0|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 487| 0| zfhPtr->frameType = ZSTD_skippableFrame; 488| 0| zfhPtr->dictID = MEM_readLE32(src) - ZSTD_MAGIC_SKIPPABLE_START; ------------------ | | 144| 0|#define ZSTD_MAGIC_SKIPPABLE_START 0x184D2A50 /* all 16 values, from 0x184D2A50 to 0x184D2A5F, signal the beginning of a skippable frame */ ------------------ 489| 0| zfhPtr->headerSize = ZSTD_SKIPPABLEHEADERSIZE; ------------------ | | 1260| 0|#define ZSTD_SKIPPABLEHEADERSIZE 8 ------------------ 490| 0| zfhPtr->frameContentSize = MEM_readLE32((const char *)src + ZSTD_FRAMEIDSIZE); ------------------ | | 82| 0|#define ZSTD_FRAMEIDSIZE 4 /* magic number size */ ------------------ 491| 0| return 0; 492| 0| } 493| 38| RETURN_ERROR(prefix_unknown, ""); ------------------ | | 131| 38| do { \ | | 132| 38| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 133| 38| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 38| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 38| do { \ | | | | 99| 38| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 38] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 38| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 135| 38| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 136| 38| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 137| 38| return ERROR(err); \ | | ------------------ | | | | 49| 38|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 38|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 38|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 38| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 494| 38| } 495| | 496| | /* ensure there is enough `srcSize` to fully read/decode frame header */ 497| 17.6k| { size_t const fhsize = ZSTD_frameHeaderSize_internal(src, srcSize, format); 498| 17.6k| if (srcSize < fhsize) return fhsize; ------------------ | Branch (498:13): [True: 0, False: 17.6k] ------------------ 499| 17.6k| zfhPtr->headerSize = (U32)fhsize; 500| 17.6k| } 501| | 502| 0| { BYTE const fhdByte = ip[minInputSize-1]; 503| 17.6k| size_t pos = minInputSize; 504| 17.6k| U32 const dictIDSizeCode = fhdByte&3; 505| 17.6k| U32 const checksumFlag = (fhdByte>>2)&1; 506| 17.6k| U32 const singleSegment = (fhdByte>>5)&1; 507| 17.6k| U32 const fcsID = fhdByte>>6; 508| 17.6k| U64 windowSize = 0; 509| 17.6k| U32 dictID = 0; 510| 17.6k| U64 frameContentSize = ZSTD_CONTENTSIZE_UNKNOWN; ------------------ | | 203| 17.6k|#define ZSTD_CONTENTSIZE_UNKNOWN (0ULL - 1) ------------------ 511| 17.6k| RETURN_ERROR_IF((fhdByte & 0x08) != 0, frameParameter_unsupported, ------------------ | | 114| 17.6k| do { \ | | 115| 17.6k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 17.6k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 17.6k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.6k] | | ------------------ ------------------ 512| 17.6k| "reserved bits, must be zero"); 513| | 514| 17.6k| if (!singleSegment) { ------------------ | Branch (514:13): [True: 8.77k, False: 8.90k] ------------------ 515| 8.77k| BYTE const wlByte = ip[pos++]; 516| 8.77k| U32 const windowLog = (wlByte >> 3) + ZSTD_WINDOWLOG_ABSOLUTEMIN; ------------------ | | 78| 8.77k|#define ZSTD_WINDOWLOG_ABSOLUTEMIN 10 ------------------ 517| 8.77k| RETURN_ERROR_IF(windowLog > ZSTD_WINDOWLOG_MAX, frameParameter_windowTooLarge, ""); ------------------ | | 114| 8.77k| do { \ | | 115| 26.3k| if (cond) { \ | | ------------------ | | | Branch (115:13): [Folded, False: 8.77k] | | | Branch (115:13): [True: 0, False: 8.77k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 8.77k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 8.77k] | | ------------------ ------------------ 518| 8.77k| windowSize = (1ULL << windowLog); 519| 8.77k| windowSize += (windowSize >> 3) * (wlByte&7); 520| 8.77k| } 521| 17.6k| switch(dictIDSizeCode) 522| 17.6k| { 523| 0| default: ------------------ | Branch (523:13): [True: 0, False: 17.6k] ------------------ 524| 0| assert(0); /* impossible */ ------------------ | | 70| 0|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 525| 0| ZSTD_FALLTHROUGH; ------------------ | | 262| 0|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 526| 12.0k| case 0 : break; ------------------ | Branch (526:13): [True: 12.0k, False: 5.59k] ------------------ 527| 4.75k| case 1 : dictID = ip[pos]; pos++; break; ------------------ | Branch (527:13): [True: 4.75k, False: 12.9k] ------------------ 528| 664| case 2 : dictID = MEM_readLE16(ip+pos); pos+=2; break; ------------------ | Branch (528:13): [True: 664, False: 17.0k] ------------------ 529| 180| case 3 : dictID = MEM_readLE32(ip+pos); pos+=4; break; ------------------ | Branch (529:13): [True: 180, False: 17.4k] ------------------ 530| 17.6k| } 531| 17.6k| switch(fcsID) 532| 17.6k| { 533| 0| default: ------------------ | Branch (533:13): [True: 0, False: 17.6k] ------------------ 534| 0| assert(0); /* impossible */ ------------------ | | 70| 0|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 535| 0| ZSTD_FALLTHROUGH; ------------------ | | 262| 0|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 536| 12.1k| case 0 : if (singleSegment) frameContentSize = ip[pos]; break; ------------------ | Branch (536:13): [True: 12.1k, False: 5.49k] | Branch (536:26): [True: 4.12k, False: 8.04k] ------------------ 537| 390| case 1 : frameContentSize = MEM_readLE16(ip+pos)+256; break; ------------------ | Branch (537:13): [True: 390, False: 17.2k] ------------------ 538| 2.77k| case 2 : frameContentSize = MEM_readLE32(ip+pos); break; ------------------ | Branch (538:13): [True: 2.77k, False: 14.8k] ------------------ 539| 2.32k| case 3 : frameContentSize = MEM_readLE64(ip+pos); break; ------------------ | Branch (539:13): [True: 2.32k, False: 15.3k] ------------------ 540| 17.6k| } 541| 17.6k| if (singleSegment) windowSize = frameContentSize; ------------------ | Branch (541:13): [True: 8.90k, False: 8.77k] ------------------ 542| | 543| 17.6k| zfhPtr->frameType = ZSTD_frame; 544| 17.6k| zfhPtr->frameContentSize = frameContentSize; 545| 17.6k| zfhPtr->windowSize = windowSize; 546| 17.6k| zfhPtr->blockSizeMax = (unsigned) MIN(windowSize, ZSTD_BLOCKSIZE_MAX); ------------------ | | 54| 17.6k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 15.9k, False: 1.71k] | | ------------------ ------------------ 547| 17.6k| zfhPtr->dictID = dictID; 548| 17.6k| zfhPtr->checksumFlag = checksumFlag; 549| 17.6k| } 550| 0| return 0; 551| 17.6k|} ZSTD_getFrameContentSize: 570| 27|{ 571| 27|#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT >= 1) 572| 27| if (ZSTD_isLegacy(src, srcSize)) { ------------------ | Branch (572:9): [True: 27, False: 0] ------------------ 573| 27| unsigned long long const ret = ZSTD_getDecompressedSize_legacy(src, srcSize); 574| 27| return ret == 0 ? ZSTD_CONTENTSIZE_UNKNOWN : ret; ------------------ | | 203| 26|#define ZSTD_CONTENTSIZE_UNKNOWN (0ULL - 1) ------------------ | Branch (574:16): [True: 26, False: 1] ------------------ 575| 27| } 576| 0|#endif 577| 0| { ZSTD_FrameHeader zfh; 578| 0| if (ZSTD_getFrameHeader(&zfh, src, srcSize) != 0) ------------------ | Branch (578:13): [True: 0, False: 0] ------------------ 579| 0| return ZSTD_CONTENTSIZE_ERROR; ------------------ | | 204| 0|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 580| 0| if (zfh.frameType == ZSTD_skippableFrame) { ------------------ | Branch (580:13): [True: 0, False: 0] ------------------ 581| 0| return 0; 582| 0| } else { 583| 0| return zfh.frameContentSize; 584| 0| } } 585| 0|} ZSTD_decompressDCtx: 1198| 1.79k|{ 1199| 1.79k| return ZSTD_decompress_usingDDict(dctx, dst, dstCapacity, src, srcSize, ZSTD_getDDict(dctx)); 1200| 1.79k|} ZSTD_loadDEntropy: 1454| 100|{ 1455| 100| const BYTE* dictPtr = (const BYTE*)dict; 1456| 100| const BYTE* const dictEnd = dictPtr + dictSize; 1457| | 1458| 100| RETURN_ERROR_IF(dictSize <= 8, dictionary_corrupted, "dict is too small"); ------------------ | | 114| 100| do { \ | | 115| 100| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 100] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 100| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 100] | | ------------------ ------------------ 1459| 100| assert(MEM_readLE32(dict) == ZSTD_MAGIC_DICTIONARY); /* dict must be valid */ ------------------ | | 70| 100|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1460| 100| dictPtr += 8; /* skip header = magic + dictID */ 1461| | 1462| 100| ZSTD_STATIC_ASSERT(offsetof(ZSTD_entropyDTables_t, OFTable) == offsetof(ZSTD_entropyDTables_t, LLTable) + sizeof(entropy->LLTable)); ------------------ | | 43| 100|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 100|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1463| 100| ZSTD_STATIC_ASSERT(offsetof(ZSTD_entropyDTables_t, MLTable) == offsetof(ZSTD_entropyDTables_t, OFTable) + sizeof(entropy->OFTable)); ------------------ | | 43| 100|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 100|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1464| 100| ZSTD_STATIC_ASSERT(sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable) >= HUF_DECOMPRESS_WORKSPACE_SIZE); ------------------ | | 43| 100|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 100|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1465| 100| { void* const workspace = &entropy->LLTable; /* use fse tables as temporary workspace; implies fse tables are grouped together */ 1466| 100| size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable); 1467| |#ifdef HUF_FORCE_DECOMPRESS_X1 1468| | /* in minimal huffman, we always use X1 variants */ 1469| | size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable, 1470| | dictPtr, dictEnd - dictPtr, 1471| | workspace, workspaceSize, /* flags */ 0); 1472| |#else 1473| 100| size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable, 1474| 100| dictPtr, (size_t)(dictEnd - dictPtr), 1475| 100| workspace, workspaceSize, /* flags */ 0); 1476| 100|#endif 1477| 100| RETURN_ERROR_IF(HUF_isError(hSize), dictionary_corrupted, ""); ------------------ | | 114| 100| do { \ | | 115| 100| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 6, False: 94] | | ------------------ | | 116| 6| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 6|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 6] | | | | ------------------ | | ------------------ | | 117| 6| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 6| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 6| do { \ | | | | 99| 6| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 6] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 6| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 6] | | | | ------------------ | | ------------------ | | 119| 6| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 6|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 6] | | | | ------------------ | | ------------------ | | 120| 6| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 6|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 6] | | | | ------------------ | | ------------------ | | 121| 6| return ERROR(err); \ | | ------------------ | | | | 49| 6|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 6|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 6|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 6| } \ | | 123| 100| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1478| 94| dictPtr += hSize; 1479| 94| } 1480| | 1481| 0| { short offcodeNCount[MaxOff+1]; 1482| 94| unsigned offcodeMaxValue = MaxOff, offcodeLog; ------------------ | | 106| 94|#define MaxOff 31 ------------------ 1483| 94| size_t const offcodeHeaderSize = FSE_readNCount(offcodeNCount, &offcodeMaxValue, &offcodeLog, dictPtr, (size_t)(dictEnd-dictPtr)); 1484| 94| RETURN_ERROR_IF(FSE_isError(offcodeHeaderSize), dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 94] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1485| 94| RETURN_ERROR_IF(offcodeMaxValue > MaxOff, dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 94] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1486| 94| RETURN_ERROR_IF(offcodeLog > OffFSELog, dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 94] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1487| 94| ZSTD_buildFSETable( entropy->OFTable, 1488| 94| offcodeNCount, offcodeMaxValue, 1489| 94| OF_base, OF_bits, 1490| 94| offcodeLog, 1491| 94| entropy->workspace, sizeof(entropy->workspace), 1492| 94| /* bmi2 */0); 1493| 94| dictPtr += offcodeHeaderSize; 1494| 94| } 1495| | 1496| 0| { short matchlengthNCount[MaxML+1]; 1497| 94| unsigned matchlengthMaxValue = MaxML, matchlengthLog; ------------------ | | 103| 94|#define MaxML 52 ------------------ 1498| 94| size_t const matchlengthHeaderSize = FSE_readNCount(matchlengthNCount, &matchlengthMaxValue, &matchlengthLog, dictPtr, (size_t)(dictEnd-dictPtr)); 1499| 94| RETURN_ERROR_IF(FSE_isError(matchlengthHeaderSize), dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 94] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1500| 94| RETURN_ERROR_IF(matchlengthMaxValue > MaxML, dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 94] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 94] | | ------------------ ------------------ 1501| 94| RETURN_ERROR_IF(matchlengthLog > MLFSELog, dictionary_corrupted, ""); ------------------ | | 114| 94| do { \ | | 115| 94| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 93] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 94| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 93] | | ------------------ ------------------ 1502| 93| ZSTD_buildFSETable( entropy->MLTable, 1503| 93| matchlengthNCount, matchlengthMaxValue, 1504| 93| ML_base, ML_bits, 1505| 93| matchlengthLog, 1506| 93| entropy->workspace, sizeof(entropy->workspace), 1507| 93| /* bmi2 */ 0); 1508| 93| dictPtr += matchlengthHeaderSize; 1509| 93| } 1510| | 1511| 0| { short litlengthNCount[MaxLL+1]; 1512| 93| unsigned litlengthMaxValue = MaxLL, litlengthLog; ------------------ | | 104| 93|#define MaxLL 35 ------------------ 1513| 93| size_t const litlengthHeaderSize = FSE_readNCount(litlengthNCount, &litlengthMaxValue, &litlengthLog, dictPtr, (size_t)(dictEnd-dictPtr)); 1514| 93| RETURN_ERROR_IF(FSE_isError(litlengthHeaderSize), dictionary_corrupted, ""); ------------------ | | 114| 93| do { \ | | 115| 93| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 93] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 93| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 93] | | ------------------ ------------------ 1515| 93| RETURN_ERROR_IF(litlengthMaxValue > MaxLL, dictionary_corrupted, ""); ------------------ | | 114| 93| do { \ | | 115| 93| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 93] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 93| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 93] | | ------------------ ------------------ 1516| 93| RETURN_ERROR_IF(litlengthLog > LLFSELog, dictionary_corrupted, ""); ------------------ | | 114| 93| do { \ | | 115| 93| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 93] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 93| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 93] | | ------------------ ------------------ 1517| 93| ZSTD_buildFSETable( entropy->LLTable, 1518| 93| litlengthNCount, litlengthMaxValue, 1519| 93| LL_base, LL_bits, 1520| 93| litlengthLog, 1521| 93| entropy->workspace, sizeof(entropy->workspace), 1522| 93| /* bmi2 */ 0); 1523| 93| dictPtr += litlengthHeaderSize; 1524| 93| } 1525| | 1526| 93| RETURN_ERROR_IF(dictPtr+12 > dictEnd, dictionary_corrupted, ""); ------------------ | | 114| 93| do { \ | | 115| 93| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 93] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 93| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 93] | | ------------------ ------------------ 1527| 93| { int i; 1528| 93| size_t const dictContentSize = (size_t)(dictEnd - (dictPtr+12)); 1529| 369| for (i=0; i<3; i++) { ------------------ | Branch (1529:19): [True: 277, False: 92] ------------------ 1530| 277| U32 const rep = MEM_readLE32(dictPtr); dictPtr += 4; 1531| 277| RETURN_ERROR_IF(rep==0 || rep > dictContentSize, ------------------ | | 114| 277| do { \ | | 115| 831| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 277] | | | Branch (115:13): [True: 1, False: 276] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 277| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 276] | | ------------------ ------------------ 1532| 277| dictionary_corrupted, ""); 1533| 276| entropy->rep[i] = rep; 1534| 276| } } 1535| | 1536| 92| return (size_t)(dictPtr - (const BYTE*)dict); 1537| 93|} ZSTD_decompressBegin: 1561| 17.7k|{ 1562| 17.7k| assert(dctx != NULL); ------------------ | | 70| 17.7k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1563| 17.7k|#if ZSTD_TRACE 1564| 17.7k| dctx->traceCtx = (ZSTD_trace_decompress_begin != NULL) ? ZSTD_trace_decompress_begin(dctx) : 0; ------------------ | Branch (1564:22): [True: 0, False: 17.7k] ------------------ 1565| 17.7k|#endif 1566| 17.7k| dctx->expected = ZSTD_startingInputLength(dctx->format); /* dctx->format must be properly set */ 1567| 17.7k| dctx->stage = ZSTDds_getFrameHeaderSize; 1568| 17.7k| dctx->processedCSize = 0; 1569| 17.7k| dctx->decodedSize = 0; 1570| 17.7k| dctx->previousDstEnd = NULL; 1571| 17.7k| dctx->prefixStart = NULL; 1572| 17.7k| dctx->virtualStart = NULL; 1573| 17.7k| dctx->dictEnd = NULL; 1574| 17.7k| dctx->entropy.hufTable[0] = (HUF_DTable)((ZSTD_HUFFDTABLE_CAPACITY_LOG)*0x1000001); /* cover both little and big endian */ ------------------ | | 78| 17.7k|#define ZSTD_HUFFDTABLE_CAPACITY_LOG 12 ------------------ 1575| 17.7k| dctx->litEntropy = dctx->fseEntropy = 0; 1576| 17.7k| dctx->dictID = 0; 1577| 17.7k| dctx->bType = bt_reserved; 1578| 17.7k| dctx->isFrameDecompression = 1; 1579| 17.7k| ZSTD_STATIC_ASSERT(sizeof(dctx->entropy.rep) == sizeof(repStartValue)); ------------------ | | 43| 17.7k|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 17.7k|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1580| 17.7k| ZSTD_memcpy(dctx->entropy.rep, repStartValue, sizeof(repStartValue)); /* initial repcodes */ ------------------ | | 44| 17.7k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1581| 17.7k| dctx->LLTptr = dctx->entropy.LLTable; 1582| 17.7k| dctx->MLTptr = dctx->entropy.MLTable; 1583| 17.7k| dctx->OFTptr = dctx->entropy.OFTable; 1584| 17.7k| dctx->HUFptr = dctx->entropy.hufTable; 1585| 17.7k| return 0; 1586| 17.7k|} ZSTD_decompressBegin_usingDict: 1589| 16.7k|{ 1590| 16.7k| FORWARD_IF_ERROR( ZSTD_decompressBegin(dctx) , ""); ------------------ | | 146| 16.7k| do { \ | | 147| 16.7k| size_t const err_code = (err); \ | | 148| 16.7k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 0, False: 16.7k] | | ------------------ | | 149| 0| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 150| 0| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 152| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 153| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 154| 0| return err_code; \ | | 155| 0| } \ | | 156| 16.7k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 16.7k] | | ------------------ ------------------ 1591| 16.7k| if (dict && dictSize) ------------------ | Branch (1591:9): [True: 0, False: 16.7k] | Branch (1591:17): [True: 0, False: 0] ------------------ 1592| 0| RETURN_ERROR_IF( ------------------ | | 114| 0| do { \ | | 115| 0| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 0] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 0| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1593| 16.7k| ZSTD_isError(ZSTD_decompress_insertDictionary(dctx, dict, dictSize)), 1594| 16.7k| dictionary_corrupted, ""); 1595| 16.7k| return 0; 1596| 16.7k|} ZSTD_decompressBegin_usingDDict: 1602| 972|{ 1603| 972| DEBUGLOG(4, "ZSTD_decompressBegin_usingDDict"); ------------------ | | 104| 972|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 972] | | ------------------ ------------------ 1604| 972| assert(dctx != NULL); ------------------ | | 70| 972|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1605| 972| if (ddict) { ------------------ | Branch (1605:9): [True: 972, False: 0] ------------------ 1606| 972| const char* const dictStart = (const char*)ZSTD_DDict_dictContent(ddict); 1607| 972| size_t const dictSize = ZSTD_DDict_dictSize(ddict); 1608| 972| const void* const dictEnd = dictStart + dictSize; 1609| 972| dctx->ddictIsCold = (dctx->dictEnd != dictEnd); 1610| 972| DEBUGLOG(4, "DDict is %s", ------------------ | | 104| 972|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 972] | | ------------------ ------------------ 1611| 972| dctx->ddictIsCold ? "~cold~" : "hot!"); 1612| 972| } 1613| 972| FORWARD_IF_ERROR( ZSTD_decompressBegin(dctx) , ""); ------------------ | | 146| 972| do { \ | | 147| 972| size_t const err_code = (err); \ | | 148| 972| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 0, False: 972] | | ------------------ | | 149| 0| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 150| 0| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 152| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 153| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 154| 0| return err_code; \ | | 155| 0| } \ | | 156| 972| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 972] | | ------------------ ------------------ 1614| 972| if (ddict) { /* NULL ddict is equivalent to no dictionary */ ------------------ | Branch (1614:9): [True: 972, False: 0] ------------------ 1615| 972| ZSTD_copyDDictParameters(dctx, ddict); 1616| 972| } 1617| 972| return 0; 1618| 972|} ZSTD_decompress_usingDDict: 1660| 2.82k|{ 1661| | /* pass content and size in case legacy frames are encountered */ 1662| 2.82k| return ZSTD_decompressMultiFrame(dctx, dst, dstCapacity, src, srcSize, 1663| | NULL, 0, 1664| 2.82k| ddict); 1665| 2.82k|} zstd_decompress.c:ZSTD_initDCtx_internal: 253| 1.87k|{ 254| 1.87k| dctx->staticSize = 0; 255| 1.87k| dctx->ddict = NULL; 256| 1.87k| dctx->ddictLocal = NULL; 257| 1.87k| dctx->dictEnd = NULL; 258| 1.87k| dctx->ddictIsCold = 0; 259| 1.87k| dctx->dictUses = ZSTD_dont_use; 260| 1.87k| dctx->inBuff = NULL; 261| 1.87k| dctx->inBuffSize = 0; 262| 1.87k| dctx->outBuffSize = 0; 263| 1.87k| dctx->streamStage = zdss_init; 264| 1.87k|#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT>=1) 265| 1.87k| dctx->legacyContext = NULL; 266| 1.87k| dctx->previousLegacyVersion = 0; 267| 1.87k|#endif 268| 1.87k| dctx->noForwardProgress = 0; 269| 1.87k| dctx->oversizedDuration = 0; 270| 1.87k| dctx->isFrameDecompression = 1; 271| 1.87k|#if DYNAMIC_BMI2 272| 1.87k| dctx->bmi2 = ZSTD_cpuSupportsBmi2(); 273| 1.87k|#endif 274| 1.87k| dctx->ddictSet = NULL; 275| 1.87k| ZSTD_DCtx_resetParameters(dctx); 276| 1.87k|#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION 277| | dctx->dictContentEndForFuzzing = NULL; 278| 1.87k|#endif 279| 1.87k|} zstd_decompress.c:ZSTD_createDCtx_internal: 294| 1.87k|static ZSTD_DCtx* ZSTD_createDCtx_internal(ZSTD_customMem customMem) { 295| 1.87k| if ((!customMem.customAlloc) ^ (!customMem.customFree)) return NULL; ------------------ | Branch (295:9): [True: 0, False: 1.87k] ------------------ 296| | 297| 1.87k| { ZSTD_DCtx* const dctx = (ZSTD_DCtx*)ZSTD_customMalloc(sizeof(*dctx), customMem); 298| 1.87k| if (!dctx) return NULL; ------------------ | Branch (298:13): [True: 0, False: 1.87k] ------------------ 299| 1.87k| dctx->customMem = customMem; 300| 1.87k| ZSTD_initDCtx_internal(dctx); 301| 1.87k| return dctx; 302| 1.87k| } 303| 1.87k|} zstd_decompress.c:ZSTD_clearDict: 317| 3.66k|{ 318| 3.66k| ZSTD_freeDDict(dctx->ddictLocal); 319| 3.66k| dctx->ddictLocal = NULL; 320| | dctx->ddict = NULL; 321| 3.66k| dctx->dictUses = ZSTD_dont_use; 322| 3.66k|} zstd_decompress.c:ZSTD_frameHeaderSize_internal: 417| 35.3k|{ 418| 35.3k| size_t const minInputSize = ZSTD_startingInputLength(format); 419| 35.3k| RETURN_ERROR_IF(srcSize < minInputSize, srcSize_wrong, ""); ------------------ | | 114| 35.3k| do { \ | | 115| 35.3k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 35.3k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 35.3k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 35.3k] | | ------------------ ------------------ 420| | 421| 35.3k| { BYTE const fhd = ((const BYTE*)src)[minInputSize-1]; 422| 35.3k| U32 const dictID= fhd & 3; 423| 35.3k| U32 const singleSegment = (fhd >> 5) & 1; 424| 35.3k| U32 const fcsId = fhd >> 6; 425| 35.3k| return minInputSize + !singleSegment 426| 35.3k| + ZSTD_did_fieldSize[dictID] + ZSTD_fcs_fieldSize[fcsId] 427| 35.3k| + (singleSegment && !fcsId); ------------------ | Branch (427:17): [True: 17.8k, False: 17.5k] | Branch (427:34): [True: 8.25k, False: 9.54k] ------------------ 428| 35.3k| } 429| 35.3k|} zstd_decompress.c:ZSTD_startingInputLength: 233| 90.1k|{ 234| 90.1k| size_t const startingInputLength = ZSTD_FRAMEHEADERSIZE_PREFIX(format); ------------------ | | 1257| 90.1k|#define ZSTD_FRAMEHEADERSIZE_PREFIX(format) ((format) == ZSTD_f_zstd1 ? 5 : 1) /* minimum input size required to query frame header size */ | | ------------------ | | | Branch (1257:46): [True: 90.1k, False: 0] | | ------------------ ------------------ 235| | /* only supports formats ZSTD_f_zstd1 and ZSTD_f_zstd1_magicless */ 236| 90.1k| assert( (format == ZSTD_f_zstd1) || (format == ZSTD_f_zstd1_magicless) ); ------------------ | | 70| 90.1k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 237| 90.1k| return startingInputLength; 238| 90.1k|} zstd_decompress.c:readSkippableFrameSize: 588| 337|{ 589| 337| size_t const skippableHeaderSize = ZSTD_SKIPPABLEHEADERSIZE; ------------------ | | 1260| 337|#define ZSTD_SKIPPABLEHEADERSIZE 8 ------------------ 590| 337| U32 sizeU32; 591| | 592| 337| RETURN_ERROR_IF(srcSize < ZSTD_SKIPPABLEHEADERSIZE, srcSize_wrong, ""); ------------------ | | 114| 337| do { \ | | 115| 337| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 337] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 337| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 337] | | ------------------ ------------------ 593| | 594| 337| sizeU32 = MEM_readLE32((BYTE const*)src + ZSTD_FRAMEIDSIZE); ------------------ | | 82| 337|#define ZSTD_FRAMEIDSIZE 4 /* magic number size */ ------------------ 595| 337| RETURN_ERROR_IF((U32)(sizeU32 + ZSTD_SKIPPABLEHEADERSIZE) < sizeU32, ------------------ | | 114| 337| do { \ | | 115| 337| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 337] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 337| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 337] | | ------------------ ------------------ 596| 337| frameParameter_unsupported, ""); 597| 337| { size_t const skippableSize = skippableHeaderSize + sizeU32; 598| 337| RETURN_ERROR_IF(skippableSize > srcSize, srcSize_wrong, ""); ------------------ | | 114| 337| do { \ | | 115| 337| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 336] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 337| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 336] | | ------------------ ------------------ 599| 336| return skippableSize; 600| 337| } 601| 337|} zstd_decompress.c:ZSTD_decompressMultiFrame: 1075| 2.82k|{ 1076| 2.82k| void* const dststart = dst; 1077| 2.82k| int moreThan1Frame = 0; 1078| | 1079| 2.82k| DEBUGLOG(5, "ZSTD_decompressMultiFrame"); ------------------ | | 104| 2.82k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 2.82k] | | ------------------ ------------------ 1080| 2.82k| assert(dict==NULL || ddict==NULL); /* either dict or ddict set, not both */ ------------------ | | 70| 2.82k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1081| | 1082| 2.82k| if (ddict) { ------------------ | Branch (1082:9): [True: 1.03k, False: 1.79k] ------------------ 1083| 1.03k| dict = ZSTD_DDict_dictContent(ddict); 1084| 1.03k| dictSize = ZSTD_DDict_dictSize(ddict); 1085| 1.03k| } 1086| | 1087| 19.3k| while (srcSize >= ZSTD_startingInputLength(dctx->format)) { ------------------ | Branch (1087:12): [True: 18.2k, False: 1.05k] ------------------ 1088| | 1089| 18.2k|#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT >= 1) 1090| 18.2k| if (dctx->format == ZSTD_f_zstd1 && ZSTD_isLegacy(src, srcSize)) { ------------------ | Branch (1090:13): [True: 18.2k, False: 0] | Branch (1090:45): [True: 225, False: 18.0k] ------------------ 1091| 225| size_t decodedSize; 1092| 225| size_t const frameSize = ZSTD_findFrameCompressedSizeLegacy(src, srcSize); 1093| 225| if (ZSTD_isError(frameSize)) return frameSize; ------------------ | | 44| 225|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1093:17): [True: 11, False: 214] ------------------ 1094| 214| RETURN_ERROR_IF(dctx->staticSize, memory_allocation, ------------------ | | 114| 214| do { \ | | 115| 214| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 214] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 214| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 214] | | ------------------ ------------------ 1095| 214| "legacy support is not compatible with static dctx"); 1096| | 1097| 214| decodedSize = ZSTD_decompressLegacy(dst, dstCapacity, src, frameSize, dict, dictSize); 1098| 214| if (ZSTD_isError(decodedSize)) return decodedSize; ------------------ | | 44| 214|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1098:17): [True: 187, False: 27] ------------------ 1099| | 1100| 27| { 1101| 27| unsigned long long const expectedSize = ZSTD_getFrameContentSize(src, srcSize); 1102| 27| RETURN_ERROR_IF(expectedSize == ZSTD_CONTENTSIZE_ERROR, corruption_detected, "Corrupted frame header!"); ------------------ | | 114| 27| do { \ | | 115| 27| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 27] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 27| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 27] | | ------------------ ------------------ 1103| 27| if (expectedSize != ZSTD_CONTENTSIZE_UNKNOWN) { ------------------ | | 203| 27|#define ZSTD_CONTENTSIZE_UNKNOWN (0ULL - 1) ------------------ | Branch (1103:21): [True: 1, False: 26] ------------------ 1104| 1| RETURN_ERROR_IF(expectedSize != decodedSize, corruption_detected, ------------------ | | 114| 1| do { \ | | 115| 1| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 0] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 1| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1105| 1| "Frame header size does not match decoded size!"); 1106| 1| } 1107| 27| } 1108| | 1109| 26| assert(decodedSize <= dstCapacity); ------------------ | | 70| 26|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1110| 26| dst = (BYTE*)dst + decodedSize; 1111| 26| dstCapacity -= decodedSize; 1112| | 1113| 26| src = (const BYTE*)src + frameSize; 1114| 26| srcSize -= frameSize; 1115| | 1116| 26| continue; 1117| 27| } 1118| 18.0k|#endif 1119| | 1120| 18.0k| if (dctx->format == ZSTD_f_zstd1 && srcSize >= 4) { ------------------ | Branch (1120:13): [True: 18.0k, False: 0] | Branch (1120:45): [True: 18.0k, False: 0] ------------------ 1121| 18.0k| U32 const magicNumber = MEM_readLE32(src); 1122| 18.0k| DEBUGLOG(5, "reading magic number %08X", (unsigned)magicNumber); ------------------ | | 104| 18.0k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 18.0k] | | ------------------ ------------------ 1123| 18.0k| if ((magicNumber & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 145| 18.0k|#define ZSTD_MAGIC_SKIPPABLE_MASK 0xFFFFFFF0 ------------------ if ((magicNumber & ZSTD_MAGIC_SKIPPABLE_MASK) == ZSTD_MAGIC_SKIPPABLE_START) { ------------------ | | 144| 18.0k|#define ZSTD_MAGIC_SKIPPABLE_START 0x184D2A50 /* all 16 values, from 0x184D2A50 to 0x184D2A5F, signal the beginning of a skippable frame */ ------------------ | Branch (1123:17): [True: 337, False: 17.7k] ------------------ 1124| | /* skippable frame detected : skip it */ 1125| 337| size_t const skippableSize = readSkippableFrameSize(src, srcSize); 1126| 337| FORWARD_IF_ERROR(skippableSize, "invalid skippable frame"); ------------------ | | 146| 337| do { \ | | 147| 337| size_t const err_code = (err); \ | | 148| 337| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 1, False: 336] | | ------------------ | | 149| 1| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 150| 1| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 152| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 153| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 154| 1| return err_code; \ | | 155| 1| } \ | | 156| 337| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 336] | | ------------------ ------------------ 1127| 336| assert(skippableSize <= srcSize); ------------------ | | 70| 336|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1128| | 1129| 336| src = (const BYTE *)src + skippableSize; 1130| 336| srcSize -= skippableSize; 1131| 336| continue; /* check next frame */ 1132| 337| } } 1133| | 1134| 17.7k| if (ddict) { ------------------ | Branch (1134:13): [True: 972, False: 16.7k] ------------------ 1135| | /* we were called from ZSTD_decompress_usingDDict */ 1136| 972| FORWARD_IF_ERROR(ZSTD_decompressBegin_usingDDict(dctx, ddict), ""); ------------------ | | 146| 972| do { \ | | 147| 972| size_t const err_code = (err); \ | | 148| 972| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 0, False: 972] | | ------------------ | | 149| 0| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 150| 0| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 152| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 153| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 154| 0| return err_code; \ | | 155| 0| } \ | | 156| 972| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 972] | | ------------------ ------------------ 1137| 16.7k| } else { 1138| | /* this will initialize correctly with no dict if dict == NULL, so 1139| | * use this in all cases but ddict */ 1140| 16.7k| FORWARD_IF_ERROR(ZSTD_decompressBegin_usingDict(dctx, dict, dictSize), ""); ------------------ | | 146| 16.7k| do { \ | | 147| 16.7k| size_t const err_code = (err); \ | | 148| 16.7k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 0, False: 16.7k] | | ------------------ | | 149| 0| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 150| 0| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 152| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 153| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 154| 0| return err_code; \ | | 155| 0| } \ | | 156| 16.7k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 16.7k] | | ------------------ ------------------ 1141| 16.7k| } 1142| 17.7k| ZSTD_checkContinuity(dctx, dst, dstCapacity); 1143| | 1144| 17.7k| { const size_t res = ZSTD_decompressFrame(dctx, dst, dstCapacity, 1145| 17.7k| &src, &srcSize); 1146| 17.7k| RETURN_ERROR_IF( ------------------ | | 114| 17.7k| do { \ | | 115| 35.4k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 38, False: 17.6k] | | | Branch (115:13): [True: 13, False: 25] | | ------------------ | | 116| 13| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 117| 13| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 13| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 13| do { \ | | | | 99| 13| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 13] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 13| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 119| 13| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 120| 13| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 121| 13| return ERROR(err); \ | | ------------------ | | | | 49| 13|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 13|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 13|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 13| } \ | | 123| 17.7k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.6k] | | ------------------ ------------------ 1147| 17.7k| (ZSTD_getErrorCode(res) == ZSTD_error_prefix_unknown) 1148| 17.7k| && (moreThan1Frame==1), 1149| 17.7k| srcSize_wrong, 1150| 17.7k| "At least one frame successfully completed, " 1151| 17.7k| "but following bytes are garbage: " 1152| 17.7k| "it's more likely to be a srcSize error, " 1153| 17.7k| "specifying more input bytes than size of frame(s). " 1154| 17.7k| "Note: one could be unlucky, it might be a corruption error instead, " 1155| 17.7k| "happening right at the place where we expect zstd magic bytes. " 1156| 17.7k| "But this is _much_ less likely than a srcSize field error."); 1157| 17.6k| if (ZSTD_isError(res)) return res; ------------------ | | 44| 17.6k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1157:17): [True: 1.55k, False: 16.1k] ------------------ 1158| 16.1k| assert(res <= dstCapacity); ------------------ | | 70| 16.1k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1159| 16.1k| if (res != 0) ------------------ | Branch (1159:17): [True: 6.33k, False: 9.81k] ------------------ 1160| 6.33k| dst = (BYTE*)dst + res; 1161| 16.1k| dstCapacity -= res; 1162| 16.1k| } 1163| 0| moreThan1Frame = 1; 1164| 16.1k| } /* while (srcSize >= ZSTD_frameHeaderSize_prefix) */ 1165| | 1166| 1.05k| RETURN_ERROR_IF(srcSize, srcSize_wrong, "input not entirely consumed"); ------------------ | | 114| 1.05k| do { \ | | 115| 1.05k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 5, False: 1.04k] | | ------------------ | | 116| 5| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 117| 5| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 5| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 5| do { \ | | | | 99| 5| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 5] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 5| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 119| 5| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 120| 5| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 121| 5| return ERROR(err); \ | | ------------------ | | | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 5| } \ | | 123| 1.05k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.04k] | | ------------------ ------------------ 1167| | 1168| 1.04k| return (size_t)((BYTE*)dst - (BYTE*)dststart); 1169| 1.05k|} zstd_decompress.c:ZSTD_decompressFrame: 956| 17.7k|{ 957| 17.7k| const BYTE* const istart = (const BYTE*)(*srcPtr); 958| 17.7k| const BYTE* ip = istart; 959| 17.7k| BYTE* const ostart = (BYTE*)dst; 960| 17.7k| BYTE* const oend = dstCapacity != 0 ? ostart + dstCapacity : ostart; ------------------ | Branch (960:24): [True: 17.5k, False: 181] ------------------ 961| 17.7k| BYTE* op = ostart; 962| 17.7k| size_t remainingSrcSize = *srcSizePtr; 963| | 964| 17.7k| DEBUGLOG(4, "ZSTD_decompressFrame (srcSize:%i)", (int)*srcSizePtr); ------------------ | | 104| 17.7k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 17.7k] | | ------------------ ------------------ 965| | 966| | /* check */ 967| 17.7k| RETURN_ERROR_IF( ------------------ | | 114| 17.7k| do { \ | | 115| 53.1k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 17.7k, False: 0] | | | Branch (115:13): [True: 0, False: 17.7k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 17.7k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.7k] | | ------------------ ------------------ 968| 17.7k| remainingSrcSize < ZSTD_FRAMEHEADERSIZE_MIN(dctx->format)+ZSTD_blockHeaderSize, 969| 17.7k| srcSize_wrong, ""); 970| | 971| | /* Frame Header */ 972| 17.7k| { size_t const frameHeaderSize = ZSTD_frameHeaderSize_internal( 973| 17.7k| ip, ZSTD_FRAMEHEADERSIZE_PREFIX(dctx->format), dctx->format); ------------------ | | 1257| 17.7k|#define ZSTD_FRAMEHEADERSIZE_PREFIX(format) ((format) == ZSTD_f_zstd1 ? 5 : 1) /* minimum input size required to query frame header size */ | | ------------------ | | | Branch (1257:46): [True: 17.7k, False: 0] | | ------------------ ------------------ 974| 17.7k| if (ZSTD_isError(frameHeaderSize)) return frameHeaderSize; ------------------ | | 44| 17.7k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (974:13): [True: 0, False: 17.7k] ------------------ 975| 17.7k| RETURN_ERROR_IF(remainingSrcSize < frameHeaderSize+ZSTD_blockHeaderSize, ------------------ | | 114| 17.7k| do { \ | | 115| 17.7k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 17.7k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 17.7k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.7k] | | ------------------ ------------------ 976| 17.7k| srcSize_wrong, ""); 977| 17.7k| FORWARD_IF_ERROR( ZSTD_decodeFrameHeader(dctx, ip, frameHeaderSize) , ""); ------------------ | | 146| 17.7k| do { \ | | 147| 17.7k| size_t const err_code = (err); \ | | 148| 17.7k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 38, False: 17.6k] | | ------------------ | | 149| 38| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 150| 38| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 38| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 38| do { \ | | | | 99| 38| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 38] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 38| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 152| 38| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 153| 38| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 38|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 38] | | | | ------------------ | | ------------------ | | 154| 38| return err_code; \ | | 155| 38| } \ | | 156| 17.7k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 17.6k] | | ------------------ ------------------ 978| 17.6k| ip += frameHeaderSize; remainingSrcSize -= frameHeaderSize; 979| 17.6k| } 980| | 981| | /* Shrink the blockSizeMax if enabled */ 982| 17.6k| if (dctx->maxBlockSizeParam != 0) ------------------ | Branch (982:9): [True: 0, False: 17.6k] ------------------ 983| 0| dctx->fParams.blockSizeMax = MIN(dctx->fParams.blockSizeMax, (unsigned)dctx->maxBlockSizeParam); ------------------ | | 54| 0|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 0, False: 0] | | ------------------ ------------------ 984| | 985| | /* Loop on each block */ 986| 61.1k| while (1) { ------------------ | Branch (986:12): [True: 61.1k, Folded] ------------------ 987| 61.1k| BYTE* oBlockEnd = oend; 988| 61.1k| size_t decodedSize; 989| 61.1k| blockProperties_t blockProperties; 990| 61.1k| size_t const cBlockSize = ZSTD_getcBlockSize(ip, remainingSrcSize, &blockProperties); 991| 61.1k| if (ZSTD_isError(cBlockSize)) return cBlockSize; ------------------ | | 44| 61.1k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (991:13): [True: 14, False: 61.1k] ------------------ 992| | 993| 61.1k| ip += ZSTD_blockHeaderSize; 994| 61.1k| remainingSrcSize -= ZSTD_blockHeaderSize; 995| 61.1k| RETURN_ERROR_IF(cBlockSize > remainingSrcSize, srcSize_wrong, ""); ------------------ | | 114| 61.1k| do { \ | | 115| 61.1k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 37, False: 61.1k] | | ------------------ | | 116| 37| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 37|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 37] | | | | ------------------ | | ------------------ | | 117| 37| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 37| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 37| do { \ | | | | 99| 37| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 37] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 37| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 37] | | | | ------------------ | | ------------------ | | 119| 37| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 37|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 37] | | | | ------------------ | | ------------------ | | 120| 37| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 37|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 37] | | | | ------------------ | | ------------------ | | 121| 37| return ERROR(err); \ | | ------------------ | | | | 49| 37|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 37|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 37|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 37| } \ | | 123| 61.1k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 61.1k] | | ------------------ ------------------ 996| | 997| 61.1k| if (ip >= op && ip < oBlockEnd) { ------------------ | Branch (997:13): [True: 4.24k, False: 56.8k] | Branch (997:25): [True: 0, False: 4.24k] ------------------ 998| | /* We are decompressing in-place. Limit the output pointer so that we 999| | * don't overwrite the block that we are currently reading. This will 1000| | * fail decompression if the input & output pointers aren't spaced 1001| | * far enough apart. 1002| | * 1003| | * This is important to set, even when the pointers are far enough 1004| | * apart, because ZSTD_decompressBlock_internal() can decide to store 1005| | * literals in the output buffer, after the block it is decompressing. 1006| | * Since we don't want anything to overwrite our input, we have to tell 1007| | * ZSTD_decompressBlock_internal to never write past ip. 1008| | * 1009| | * See ZSTD_allocateLiteralsBuffer() for reference. 1010| | */ 1011| 0| oBlockEnd = op + (ip - op); 1012| 0| } 1013| | 1014| 61.1k| switch(blockProperties.blockType) 1015| 61.1k| { 1016| 7.25k| case bt_compressed: ------------------ | Branch (1016:9): [True: 7.25k, False: 53.8k] ------------------ 1017| 7.25k| assert(dctx->isFrameDecompression == 1); ------------------ | | 70| 7.25k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1018| 7.25k| decodedSize = ZSTD_decompressBlock_internal(dctx, op, (size_t)(oBlockEnd-op), ip, cBlockSize, not_streaming); 1019| 7.25k| break; 1020| 52.0k| case bt_raw : ------------------ | Branch (1020:9): [True: 52.0k, False: 9.12k] ------------------ 1021| | /* Use oend instead of oBlockEnd because this function is safe to overlap. It uses memmove. */ 1022| 52.0k| decodedSize = ZSTD_copyRawBlock(op, (size_t)(oend-op), ip, cBlockSize); 1023| 52.0k| break; 1024| 1.87k| case bt_rle : ------------------ | Branch (1024:9): [True: 1.87k, False: 59.2k] ------------------ 1025| 1.87k| decodedSize = ZSTD_setRleBlock(op, (size_t)(oBlockEnd-op), *ip, blockProperties.origSize); 1026| 1.87k| break; 1027| 0| case bt_reserved : ------------------ | Branch (1027:9): [True: 0, False: 61.1k] ------------------ 1028| 0| default: ------------------ | Branch (1028:9): [True: 0, False: 61.1k] ------------------ 1029| 0| RETURN_ERROR(corruption_detected, "invalid block type"); ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 1030| 61.1k| } 1031| 61.1k| FORWARD_IF_ERROR(decodedSize, "Block decompression failure"); ------------------ | | 146| 61.1k| do { \ | | 147| 61.1k| size_t const err_code = (err); \ | | 148| 61.1k| if (ERR_isError(err_code)) { \ | | ------------------ | | | Branch (148:13): [True: 1.45k, False: 59.6k] | | ------------------ | | 149| 1.45k| RAWLOG(3, "%s:%d: ERROR!: forwarding error in %s: %s", \ | | ------------------ | | | | 103| 1.45k|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1.45k] | | | | ------------------ | | ------------------ | | 150| 1.45k| __FILE__, __LINE__, ERR_QUOTE(err), ERR_getErrorName(err_code)); \ | | 151| 1.45k| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1.45k| do { \ | | | | 99| 1.45k| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1.45k] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1.45k| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1.45k] | | | | ------------------ | | ------------------ | | 152| 1.45k| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1.45k|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1.45k] | | | | ------------------ | | ------------------ | | 153| 1.45k| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1.45k|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1.45k] | | | | ------------------ | | ------------------ | | 154| 1.45k| return err_code; \ | | 155| 1.45k| } \ | | 156| 61.1k| } while(0) | | ------------------ | | | Branch (156:13): [Folded, False: 59.6k] | | ------------------ ------------------ 1032| 59.6k| DEBUGLOG(5, "Decompressed block of dSize = %u", (unsigned)decodedSize); ------------------ | | 104| 59.6k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 59.6k] | | ------------------ ------------------ 1033| 59.6k| if (dctx->validateChecksum) { ------------------ | Branch (1033:13): [True: 15.4k, False: 44.2k] ------------------ 1034| 15.4k| XXH64_update(&dctx->xxhState, op, decodedSize); ------------------ | | 460| 15.4k|# define XXH64_update XXH_NAME2(XXH_NAMESPACE, XXH64_update) | | ------------------ | | | | 443| 15.4k|# define XXH_NAME2(A,B) XXH_CAT(A,B) | | | | ------------------ | | | | | | 442| 15.4k|# define XXH_CAT(A,B) A##B | | | | ------------------ | | ------------------ ------------------ 1035| 15.4k| } 1036| 59.6k| if (decodedSize) /* support dst = NULL,0 */ { ------------------ | Branch (1036:13): [True: 17.7k, False: 41.9k] ------------------ 1037| 17.7k| op += decodedSize; 1038| 17.7k| } 1039| 59.6k| assert(ip != NULL); ------------------ | | 70| 59.6k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1040| 59.6k| ip += cBlockSize; 1041| 59.6k| remainingSrcSize -= cBlockSize; 1042| 59.6k| if (blockProperties.lastBlock) break; ------------------ | Branch (1042:13): [True: 16.1k, False: 43.5k] ------------------ 1043| 59.6k| } 1044| | 1045| 16.1k| if (dctx->fParams.frameContentSize != ZSTD_CONTENTSIZE_UNKNOWN) { ------------------ | | 203| 16.1k|#define ZSTD_CONTENTSIZE_UNKNOWN (0ULL - 1) ------------------ | Branch (1045:9): [True: 8.23k, False: 7.93k] ------------------ 1046| 8.23k| RETURN_ERROR_IF((U64)(op-ostart) != dctx->fParams.frameContentSize, ------------------ | | 114| 8.23k| do { \ | | 115| 8.23k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 5, False: 8.23k] | | ------------------ | | 116| 5| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 117| 5| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 5| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 5| do { \ | | | | 99| 5| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 5] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 5| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 119| 5| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 120| 5| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 121| 5| return ERROR(err); \ | | ------------------ | | | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 5| } \ | | 123| 8.23k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 8.23k] | | ------------------ ------------------ 1047| 8.23k| corruption_detected, ""); 1048| 8.23k| } 1049| 16.1k| if (dctx->fParams.checksumFlag) { /* Frame content checksum verification */ ------------------ | Branch (1049:9): [True: 23, False: 16.1k] ------------------ 1050| 23| RETURN_ERROR_IF(remainingSrcSize<4, checksum_wrong, ""); ------------------ | | 114| 23| do { \ | | 115| 23| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 2, False: 21] | | ------------------ | | 116| 2| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 117| 2| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 119| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 120| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 121| 2| return ERROR(err); \ | | ------------------ | | | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 2| } \ | | 123| 23| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 21] | | ------------------ ------------------ 1051| 21| if (!dctx->forceIgnoreChecksum) { ------------------ | Branch (1051:13): [True: 21, False: 0] ------------------ 1052| 21| U32 const checkCalc = (U32)XXH64_digest(&dctx->xxhState); ------------------ | | 461| 21|# define XXH64_digest XXH_NAME2(XXH_NAMESPACE, XXH64_digest) | | ------------------ | | | | 443| 21|# define XXH_NAME2(A,B) XXH_CAT(A,B) | | | | ------------------ | | | | | | 442| 21|# define XXH_CAT(A,B) A##B | | | | ------------------ | | ------------------ ------------------ 1053| 21| U32 checkRead; 1054| 21| checkRead = MEM_readLE32(ip); 1055| 21| RETURN_ERROR_IF(checkRead != checkCalc, checksum_wrong, ""); ------------------ | | 114| 21| do { \ | | 115| 21| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 21, False: 0] | | ------------------ | | 116| 21| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 21|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 21] | | | | ------------------ | | ------------------ | | 117| 21| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 21| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 21| do { \ | | | | 99| 21| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 21] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 21| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 21] | | | | ------------------ | | ------------------ | | 119| 21| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 21|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 21] | | | | ------------------ | | ------------------ | | 120| 21| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 21|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 21] | | | | ------------------ | | ------------------ | | 121| 21| return ERROR(err); \ | | ------------------ | | | | 49| 21|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 21|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 21|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 21| } \ | | 123| 21| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1056| 21| } 1057| 0| ip += 4; 1058| 0| remainingSrcSize -= 4; 1059| 0| } 1060| 16.1k| ZSTD_DCtx_trace_end(dctx, (U64)(op-ostart), (U64)(ip-istart), /* streaming */ 0); 1061| | /* Allow caller to get size read */ 1062| 16.1k| DEBUGLOG(4, "ZSTD_decompressFrame: decompressed frame of size %i, consuming %i bytes of input", (int)(op-ostart), (int)(ip - (const BYTE*)*srcPtr)); ------------------ | | 104| 16.1k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 16.1k] | | ------------------ ------------------ 1063| 16.1k| *srcPtr = ip; 1064| 16.1k| *srcSizePtr = remainingSrcSize; 1065| 16.1k| return (size_t)(op-ostart); 1066| 16.1k|} zstd_decompress.c:ZSTD_getDDict: 1181| 1.79k|{ 1182| 1.79k| switch (dctx->dictUses) { 1183| 0| default: ------------------ | Branch (1183:5): [True: 0, False: 1.79k] ------------------ 1184| 0| assert(0 /* Impossible */); ------------------ | | 70| 0|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1185| 0| ZSTD_FALLTHROUGH; ------------------ | | 262| 0|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 1186| 1.79k| case ZSTD_dont_use: ------------------ | Branch (1186:5): [True: 1.79k, False: 0] ------------------ 1187| 1.79k| ZSTD_clearDict(dctx); 1188| 1.79k| return NULL; 1189| 0| case ZSTD_use_indefinitely: ------------------ | Branch (1189:5): [True: 0, False: 1.79k] ------------------ 1190| 0| return dctx->ddict; 1191| 0| case ZSTD_use_once: ------------------ | Branch (1191:5): [True: 0, False: 1.79k] ------------------ 1192| 0| dctx->dictUses = ZSTD_dont_use; 1193| 0| return dctx->ddict; 1194| 1.79k| } 1195| 1.79k|} zstd_decompress.c:ZSTD_decodeFrameHeader: 703| 17.7k|{ 704| 17.7k| size_t const result = ZSTD_getFrameHeader_advanced(&(dctx->fParams), src, headerSize, dctx->format); 705| 17.7k| if (ZSTD_isError(result)) return result; /* invalid header */ ------------------ | | 44| 17.7k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (705:9): [True: 38, False: 17.6k] ------------------ 706| 17.6k| RETURN_ERROR_IF(result>0, srcSize_wrong, "headerSize too small"); ------------------ | | 114| 17.6k| do { \ | | 115| 17.6k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 17.6k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 17.6k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 17.6k] | | ------------------ ------------------ 707| | 708| | /* Reference DDict requested by frame if dctx references multiple ddicts */ 709| 17.6k| if (dctx->refMultipleDDicts == ZSTD_rmd_refMultipleDDicts && dctx->ddictSet) { ------------------ | Branch (709:9): [True: 0, False: 17.6k] | Branch (709:66): [True: 0, False: 0] ------------------ 710| 0| ZSTD_DCtx_selectFrameDDict(dctx); 711| 0| } 712| | 713| |#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION 714| | /* Skip the dictID check in fuzzing mode, because it makes the search 715| | * harder. 716| | */ 717| | RETURN_ERROR_IF(dctx->fParams.dictID && (dctx->dictID != dctx->fParams.dictID), 718| | dictionary_wrong, ""); 719| |#endif 720| 17.6k| dctx->validateChecksum = (dctx->fParams.checksumFlag && !dctx->forceIgnoreChecksum) ? 1 : 0; ------------------ | Branch (720:31): [True: 840, False: 16.8k] | Branch (720:61): [True: 840, False: 0] ------------------ 721| 17.6k| if (dctx->validateChecksum) XXH64_reset(&dctx->xxhState, 0); ------------------ | | 459| 840|# define XXH64_reset XXH_NAME2(XXH_NAMESPACE, XXH64_reset) | | ------------------ | | | | 443| 840|# define XXH_NAME2(A,B) XXH_CAT(A,B) | | | | ------------------ | | | | | | 442| 840|# define XXH_CAT(A,B) A##B | | | | ------------------ | | ------------------ ------------------ | Branch (721:9): [True: 840, False: 16.8k] ------------------ 722| 17.6k| dctx->processedCSize += headerSize; 723| 17.6k| return 0; 724| 17.6k|} zstd_decompress.c:ZSTD_copyRawBlock: 898| 52.0k|{ 899| 52.0k| DEBUGLOG(5, "ZSTD_copyRawBlock"); ------------------ | | 104| 52.0k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 52.0k] | | ------------------ ------------------ 900| 52.0k| RETURN_ERROR_IF(srcSize > dstCapacity, dstSize_tooSmall, ""); ------------------ | | 114| 52.0k| do { \ | | 115| 52.0k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 22, False: 51.9k] | | ------------------ | | 116| 22| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 22|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 22] | | | | ------------------ | | ------------------ | | 117| 22| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 22| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 22| do { \ | | | | 99| 22| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 22] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 22| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 22] | | | | ------------------ | | ------------------ | | 119| 22| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 22|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 22] | | | | ------------------ | | ------------------ | | 120| 22| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 22|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 22] | | | | ------------------ | | ------------------ | | 121| 22| return ERROR(err); \ | | ------------------ | | | | 49| 22|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 22|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 22|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 22| } \ | | 123| 52.0k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 51.9k] | | ------------------ ------------------ 901| 51.9k| if (dst == NULL) { ------------------ | Branch (901:9): [True: 0, False: 51.9k] ------------------ 902| 0| if (srcSize == 0) return 0; ------------------ | Branch (902:13): [True: 0, False: 0] ------------------ 903| 0| RETURN_ERROR(dstBuffer_null, ""); ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 904| 0| } 905| 51.9k| ZSTD_memmove(dst, src, srcSize); ------------------ | | 45| 51.9k|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 906| 51.9k| return srcSize; 907| 51.9k|} zstd_decompress.c:ZSTD_setRleBlock: 912| 1.87k|{ 913| 1.87k| RETURN_ERROR_IF(regenSize > dstCapacity, dstSize_tooSmall, ""); ------------------ | | 114| 1.87k| do { \ | | 115| 1.87k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 4, False: 1.87k] | | ------------------ | | 116| 4| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 117| 4| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 4| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 4| do { \ | | | | 99| 4| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 4] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 4| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 119| 4| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 120| 4| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 121| 4| return ERROR(err); \ | | ------------------ | | | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 4| } \ | | 123| 1.87k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.87k] | | ------------------ ------------------ 914| 1.87k| if (dst == NULL) { ------------------ | Branch (914:9): [True: 0, False: 1.87k] ------------------ 915| 0| if (regenSize == 0) return 0; ------------------ | Branch (915:13): [True: 0, False: 0] ------------------ 916| 0| RETURN_ERROR(dstBuffer_null, ""); ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 917| 0| } 918| 1.87k| ZSTD_memset(dst, b, regenSize); ------------------ | | 46| 1.87k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 919| 1.87k| return regenSize; 920| 1.87k|} zstd_decompress.c:ZSTD_DCtx_trace_end: 923| 16.1k|{ 924| 16.1k|#if ZSTD_TRACE 925| 16.1k| if (dctx->traceCtx && ZSTD_trace_decompress_end != NULL) { ------------------ | Branch (925:9): [True: 0, False: 16.1k] | Branch (925:27): [True: 0, False: 0] ------------------ 926| 0| ZSTD_Trace trace; 927| 0| ZSTD_memset(&trace, 0, sizeof(trace)); ------------------ | | 46| 0|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 928| 0| trace.version = ZSTD_VERSION_NUMBER; ------------------ | | 115| 0|#define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE) | | ------------------ | | | | 112| 0|#define ZSTD_VERSION_MAJOR 1 | | ------------------ | | #define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE) | | ------------------ | | | | 113| 0|#define ZSTD_VERSION_MINOR 5 | | ------------------ | | #define ZSTD_VERSION_NUMBER (ZSTD_VERSION_MAJOR *100*100 + ZSTD_VERSION_MINOR *100 + ZSTD_VERSION_RELEASE) | | ------------------ | | | | 114| 0|#define ZSTD_VERSION_RELEASE 7 | | ------------------ ------------------ 929| 0| trace.streaming = streaming; 930| 0| if (dctx->ddict) { ------------------ | Branch (930:13): [True: 0, False: 0] ------------------ 931| 0| trace.dictionaryID = ZSTD_getDictID_fromDDict(dctx->ddict); 932| 0| trace.dictionarySize = ZSTD_DDict_dictSize(dctx->ddict); 933| 0| trace.dictionaryIsCold = dctx->ddictIsCold; 934| 0| } 935| 0| trace.uncompressedSize = (size_t)uncompressedSize; 936| 0| trace.compressedSize = (size_t)compressedSize; 937| 0| trace.dctx = dctx; 938| 0| ZSTD_trace_decompress_end(dctx->traceCtx, &trace); 939| 0| } 940| |#else 941| | (void)dctx; 942| | (void)uncompressedSize; 943| | (void)compressedSize; 944| | (void)streaming; 945| |#endif 946| 16.1k|} zstd_decompress.c:ZSTD_DCtx_resetParameters: 241| 1.87k|{ 242| 1.87k| assert(dctx->streamStage == zdss_init); ------------------ | | 70| 1.87k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 243| 1.87k| dctx->format = ZSTD_f_zstd1; 244| 1.87k| dctx->maxWindowSize = ZSTD_MAXWINDOWSIZE_DEFAULT; ------------------ | | 40| 1.87k|# define ZSTD_MAXWINDOWSIZE_DEFAULT (((U32)1 << ZSTD_WINDOWLOG_LIMIT_DEFAULT) + 1) | | ------------------ | | | | 1287| 1.87k|#define ZSTD_WINDOWLOG_LIMIT_DEFAULT 27 /* by default, the streaming decoder will refuse any frame | | ------------------ ------------------ 245| 1.87k| dctx->outBufferMode = ZSTD_bm_buffered; 246| 1.87k| dctx->forceIgnoreChecksum = ZSTD_d_validateChecksum; 247| 1.87k| dctx->refMultipleDDicts = ZSTD_rmd_refSingleDDict; 248| 1.87k| dctx->disableHufAsm = 0; 249| 1.87k| dctx->maxBlockSizeParam = 0; 250| 1.87k|} ZSTD_getcBlockSize: 65| 61.1k|{ 66| 61.1k| RETURN_ERROR_IF(srcSize < ZSTD_blockHeaderSize, srcSize_wrong, ""); ------------------ | | 114| 61.1k| do { \ | | 115| 61.1k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3, False: 61.1k] | | ------------------ | | 116| 3| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 117| 3| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 119| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 120| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 121| 3| return ERROR(err); \ | | ------------------ | | | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 3| } \ | | 123| 61.1k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 61.1k] | | ------------------ ------------------ 67| | 68| 61.1k| { U32 const cBlockHeader = MEM_readLE24(src); 69| 61.1k| U32 const cSize = cBlockHeader >> 3; 70| 61.1k| bpPtr->lastBlock = cBlockHeader & 1; 71| 61.1k| bpPtr->blockType = (blockType_e)((cBlockHeader >> 1) & 3); 72| 61.1k| bpPtr->origSize = cSize; /* only useful for RLE */ 73| 61.1k| if (bpPtr->blockType == bt_rle) return 1; ------------------ | Branch (73:13): [True: 1.87k, False: 59.3k] ------------------ 74| 59.3k| RETURN_ERROR_IF(bpPtr->blockType == bt_reserved, corruption_detected, ""); ------------------ | | 114| 59.3k| do { \ | | 115| 59.3k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 11, False: 59.3k] | | ------------------ | | 116| 11| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 117| 11| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 11| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 11| do { \ | | | | 99| 11| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 11] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 11| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 119| 11| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 120| 11| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 121| 11| return ERROR(err); \ | | ------------------ | | | | 49| 11|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 11|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 11|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 11| } \ | | 123| 59.3k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 59.3k] | | ------------------ ------------------ 75| 59.3k| return cSize; 76| 59.3k| } 77| 59.3k|} ZSTD_buildFSETable: 630| 4.31k|{ 631| 4.31k|#if DYNAMIC_BMI2 632| 4.31k| if (bmi2) { ------------------ | Branch (632:9): [True: 4.03k, False: 280] ------------------ 633| 4.03k| ZSTD_buildFSETable_body_bmi2(dt, normalizedCounter, maxSymbolValue, 634| 4.03k| baseValue, nbAdditionalBits, tableLog, wksp, wkspSize); 635| 4.03k| return; 636| 4.03k| } 637| 280|#endif 638| 280| (void)bmi2; 639| 280| ZSTD_buildFSETable_body_default(dt, normalizedCounter, maxSymbolValue, 640| 280| baseValue, nbAdditionalBits, tableLog, wksp, wkspSize); 641| 280|} ZSTD_decodeSeqHeaders: 697| 7.02k|{ 698| 7.02k| const BYTE* const istart = (const BYTE*)src; 699| 7.02k| const BYTE* const iend = istart + srcSize; 700| 7.02k| const BYTE* ip = istart; 701| 7.02k| int nbSeq; 702| 7.02k| DEBUGLOG(5, "ZSTD_decodeSeqHeaders"); ------------------ | | 104| 7.02k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 7.02k] | | ------------------ ------------------ 703| | 704| | /* check */ 705| 7.02k| RETURN_ERROR_IF(srcSize < MIN_SEQUENCES_SIZE, srcSize_wrong, ""); ------------------ | | 114| 7.02k| do { \ | | 115| 7.02k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 7.02k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 7.02k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 7.02k] | | ------------------ ------------------ 706| | 707| | /* SeqHead */ 708| 7.02k| nbSeq = *ip++; 709| 7.02k| if (nbSeq > 0x7F) { ------------------ | Branch (709:9): [True: 1.00k, False: 6.02k] ------------------ 710| 1.00k| if (nbSeq == 0xFF) { ------------------ | Branch (710:13): [True: 565, False: 437] ------------------ 711| 565| RETURN_ERROR_IF(ip+2 > iend, srcSize_wrong, ""); ------------------ | | 114| 565| do { \ | | 115| 565| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3, False: 562] | | ------------------ | | 116| 3| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 117| 3| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 119| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 120| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 121| 3| return ERROR(err); \ | | ------------------ | | | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 3| } \ | | 123| 565| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 562] | | ------------------ ------------------ 712| 562| nbSeq = MEM_readLE16(ip) + LONGNBSEQ; ------------------ | | 96| 562|#define LONGNBSEQ 0x7F00 ------------------ 713| 562| ip+=2; 714| 562| } else { 715| 437| RETURN_ERROR_IF(ip >= iend, srcSize_wrong, ""); ------------------ | | 114| 437| do { \ | | 115| 437| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3, False: 434] | | ------------------ | | 116| 3| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 117| 3| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 119| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 120| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 121| 3| return ERROR(err); \ | | ------------------ | | | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 3| } \ | | 123| 437| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 434] | | ------------------ ------------------ 716| 434| nbSeq = ((nbSeq-0x80)<<8) + *ip++; 717| 434| } 718| 1.00k| } 719| 7.01k| *nbSeqPtr = nbSeq; 720| | 721| 7.01k| if (nbSeq == 0) { ------------------ | Branch (721:9): [True: 3.74k, False: 3.27k] ------------------ 722| | /* No sequence : section ends immediately */ 723| 3.74k| RETURN_ERROR_IF(ip != iend, corruption_detected, ------------------ | | 114| 3.74k| do { \ | | 115| 3.74k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 24, False: 3.72k] | | ------------------ | | 116| 24| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 24|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 24] | | | | ------------------ | | ------------------ | | 117| 24| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 24| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 24| do { \ | | | | 99| 24| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 24] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 24| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 24] | | | | ------------------ | | ------------------ | | 119| 24| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 24|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 24] | | | | ------------------ | | ------------------ | | 120| 24| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 24|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 24] | | | | ------------------ | | ------------------ | | 121| 24| return ERROR(err); \ | | ------------------ | | | | 49| 24|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 24|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 24|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 24| } \ | | 123| 3.74k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.72k] | | ------------------ ------------------ 724| 3.74k| "extraneous data present in the Sequences section"); 725| 3.72k| return (size_t)(ip - istart); 726| 3.74k| } 727| | 728| | /* FSE table descriptors */ 729| 3.27k| RETURN_ERROR_IF(ip+1 > iend, srcSize_wrong, ""); /* minimum possible size: 1 byte for symbol encoding types */ ------------------ | | 114| 3.27k| do { \ | | 115| 3.27k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 10, False: 3.26k] | | ------------------ | | 116| 10| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 10|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 10] | | | | ------------------ | | ------------------ | | 117| 10| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 10| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 10| do { \ | | | | 99| 10| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 10] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 10| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 10] | | | | ------------------ | | ------------------ | | 119| 10| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 10|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 10] | | | | ------------------ | | ------------------ | | 120| 10| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 10|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 10] | | | | ------------------ | | ------------------ | | 121| 10| return ERROR(err); \ | | ------------------ | | | | 49| 10|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 10|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 10|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 10| } \ | | 123| 3.27k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.26k] | | ------------------ ------------------ 730| 3.26k| RETURN_ERROR_IF(*ip & 3, corruption_detected, ""); /* The last field, Reserved, must be all-zeroes. */ ------------------ | | 114| 3.26k| do { \ | | 115| 3.26k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 12, False: 3.25k] | | ------------------ | | 116| 12| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 12|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 12] | | | | ------------------ | | ------------------ | | 117| 12| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 12| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 12| do { \ | | | | 99| 12| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 12] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 12| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 12] | | | | ------------------ | | ------------------ | | 119| 12| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 12|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 12] | | | | ------------------ | | ------------------ | | 120| 12| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 12|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 12] | | | | ------------------ | | ------------------ | | 121| 12| return ERROR(err); \ | | ------------------ | | | | 49| 12|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 12|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 12|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 12| } \ | | 123| 3.26k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.25k] | | ------------------ ------------------ 731| 3.25k| { SymbolEncodingType_e const LLtype = (SymbolEncodingType_e)(*ip >> 6); 732| 3.25k| SymbolEncodingType_e const OFtype = (SymbolEncodingType_e)((*ip >> 4) & 3); 733| 3.25k| SymbolEncodingType_e const MLtype = (SymbolEncodingType_e)((*ip >> 2) & 3); 734| 3.25k| ip++; 735| | 736| | /* Build DTables */ 737| 3.25k| { size_t const llhSize = ZSTD_buildSeqTable(dctx->entropy.LLTable, &dctx->LLTptr, 738| 3.25k| LLtype, MaxLL, LLFSELog, ------------------ | | 104| 3.25k|#define MaxLL 35 ------------------ LLtype, MaxLL, LLFSELog, ------------------ | | 109| 3.25k|#define LLFSELog 9 ------------------ 739| 3.25k| ip, iend-ip, 740| 3.25k| LL_base, LL_bits, 741| 3.25k| LL_defaultDTable, dctx->fseEntropy, 742| 3.25k| dctx->ddictIsCold, nbSeq, 743| 3.25k| dctx->workspace, sizeof(dctx->workspace), 744| 3.25k| ZSTD_DCtx_get_bmi2(dctx)); 745| 3.25k| RETURN_ERROR_IF(ZSTD_isError(llhSize), corruption_detected, "ZSTD_buildSeqTable failed"); ------------------ | | 114| 3.25k| do { \ | | 115| 3.25k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 2, False: 3.25k] | | ------------------ | | 116| 2| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 117| 2| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 119| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 120| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 121| 2| return ERROR(err); \ | | ------------------ | | | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 2| } \ | | 123| 3.25k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.25k] | | ------------------ ------------------ 746| 3.25k| ip += llhSize; 747| 3.25k| } 748| | 749| 0| { size_t const ofhSize = ZSTD_buildSeqTable(dctx->entropy.OFTable, &dctx->OFTptr, 750| 3.25k| OFtype, MaxOff, OffFSELog, ------------------ | | 106| 3.25k|#define MaxOff 31 ------------------ OFtype, MaxOff, OffFSELog, ------------------ | | 110| 3.25k|#define OffFSELog 8 ------------------ 751| 3.25k| ip, iend-ip, 752| 3.25k| OF_base, OF_bits, 753| 3.25k| OF_defaultDTable, dctx->fseEntropy, 754| 3.25k| dctx->ddictIsCold, nbSeq, 755| 3.25k| dctx->workspace, sizeof(dctx->workspace), 756| 3.25k| ZSTD_DCtx_get_bmi2(dctx)); 757| 3.25k| RETURN_ERROR_IF(ZSTD_isError(ofhSize), corruption_detected, "ZSTD_buildSeqTable failed"); ------------------ | | 114| 3.25k| do { \ | | 115| 3.25k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 4, False: 3.24k] | | ------------------ | | 116| 4| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 117| 4| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 4| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 4| do { \ | | | | 99| 4| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 4] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 4| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 119| 4| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 120| 4| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 121| 4| return ERROR(err); \ | | ------------------ | | | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 4| } \ | | 123| 3.25k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.24k] | | ------------------ ------------------ 758| 3.24k| ip += ofhSize; 759| 3.24k| } 760| | 761| 0| { size_t const mlhSize = ZSTD_buildSeqTable(dctx->entropy.MLTable, &dctx->MLTptr, 762| 3.24k| MLtype, MaxML, MLFSELog, ------------------ | | 103| 3.24k|#define MaxML 52 ------------------ MLtype, MaxML, MLFSELog, ------------------ | | 108| 3.24k|#define MLFSELog 9 ------------------ 763| 3.24k| ip, iend-ip, 764| 3.24k| ML_base, ML_bits, 765| 3.24k| ML_defaultDTable, dctx->fseEntropy, 766| 3.24k| dctx->ddictIsCold, nbSeq, 767| 3.24k| dctx->workspace, sizeof(dctx->workspace), 768| 3.24k| ZSTD_DCtx_get_bmi2(dctx)); 769| 3.24k| RETURN_ERROR_IF(ZSTD_isError(mlhSize), corruption_detected, "ZSTD_buildSeqTable failed"); ------------------ | | 114| 3.24k| do { \ | | 115| 3.24k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3, False: 3.24k] | | ------------------ | | 116| 3| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 117| 3| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 119| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 120| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 121| 3| return ERROR(err); \ | | ------------------ | | | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 3| } \ | | 123| 3.24k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.24k] | | ------------------ ------------------ 770| 3.24k| ip += mlhSize; 771| 3.24k| } 772| 3.24k| } 773| | 774| 0| return ip-istart; 775| 3.24k|} ZSTD_decompressBlock_internal: 2069| 7.25k|{ /* blockType == blockCompressed */ 2070| 7.25k| const BYTE* ip = (const BYTE*)src; 2071| 7.25k| DEBUGLOG(5, "ZSTD_decompressBlock_internal (cSize : %u)", (unsigned)srcSize); ------------------ | | 104| 7.25k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 7.25k] | | ------------------ ------------------ 2072| | 2073| | /* Note : the wording of the specification 2074| | * allows compressed block to be sized exactly ZSTD_blockSizeMax(dctx). 2075| | * This generally does not happen, as it makes little sense, 2076| | * since an uncompressed block would feature same size and have no decompression cost. 2077| | * Also, note that decoder from reference libzstd before < v1.5.4 2078| | * would consider this edge case as an error. 2079| | * As a consequence, avoid generating compressed blocks of size ZSTD_blockSizeMax(dctx) 2080| | * for broader compatibility with the deployed ecosystem of zstd decoders */ 2081| 7.25k| RETURN_ERROR_IF(srcSize > ZSTD_blockSizeMax(dctx), srcSize_wrong, ""); ------------------ | | 114| 7.25k| do { \ | | 115| 7.25k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 13, False: 7.23k] | | ------------------ | | 116| 13| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 117| 13| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 13| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 13| do { \ | | | | 99| 13| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 13] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 13| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 119| 13| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 120| 13| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 13|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 13] | | | | ------------------ | | ------------------ | | 121| 13| return ERROR(err); \ | | ------------------ | | | | 49| 13|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 13|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 13|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 13| } \ | | 123| 7.25k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 7.23k] | | ------------------ ------------------ 2082| | 2083| | /* Decode literals section */ 2084| 7.23k| { size_t const litCSize = ZSTD_decodeLiteralsBlock(dctx, src, srcSize, dst, dstCapacity, streaming); 2085| 7.23k| DEBUGLOG(5, "ZSTD_decodeLiteralsBlock : cSize=%u, nbLiterals=%zu", (U32)litCSize, dctx->litSize); ------------------ | | 104| 7.23k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 7.23k] | | ------------------ ------------------ 2086| 7.23k| if (ZSTD_isError(litCSize)) return litCSize; ------------------ | | 44| 7.23k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (2086:13): [True: 213, False: 7.02k] ------------------ 2087| 7.02k| ip += litCSize; 2088| 7.02k| srcSize -= litCSize; 2089| 7.02k| } 2090| | 2091| | /* Build Decoding Tables */ 2092| 0| { 2093| | /* Compute the maximum block size, which must also work when !frame and fParams are unset. 2094| | * Additionally, take the min with dstCapacity to ensure that the totalHistorySize fits in a size_t. 2095| | */ 2096| 7.02k| size_t const blockSizeMax = MIN(dstCapacity, ZSTD_blockSizeMax(dctx)); ------------------ | | 54| 7.02k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 4.14k, False: 2.88k] | | ------------------ ------------------ 2097| 7.02k| size_t const totalHistorySize = ZSTD_totalHistorySize(ZSTD_maybeNullPtrAdd((BYTE*)dst, blockSizeMax), (BYTE const*)dctx->virtualStart); 2098| | /* isLongOffset must be true if there are long offsets. 2099| | * Offsets are long if they are larger than ZSTD_maxShortOffset(). 2100| | * We don't expect that to be the case in 64-bit mode. 2101| | * 2102| | * We check here to see if our history is large enough to allow long offsets. 2103| | * If it isn't, then we can't possible have (valid) long offsets. If the offset 2104| | * is invalid, then it is okay to read it incorrectly. 2105| | * 2106| | * If isLongOffsets is true, then we will later check our decoding table to see 2107| | * if it is even possible to generate long offsets. 2108| | */ 2109| 7.02k| ZSTD_longOffset_e isLongOffset = (ZSTD_longOffset_e)(MEM_32bits() && (totalHistorySize > ZSTD_maxShortOffset())); ------------------ | Branch (2109:62): [True: 0, False: 7.02k] | Branch (2109:78): [True: 0, False: 0] ------------------ 2110| | /* These macros control at build-time which decompressor implementation 2111| | * we use. If neither is defined, we do some inspection and dispatch at 2112| | * runtime. 2113| | */ 2114| 7.02k|#if !defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT) && \ 2115| 7.02k| !defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG) 2116| 7.02k| int usePrefetchDecoder = dctx->ddictIsCold; 2117| |#else 2118| | /* Set to 1 to avoid computing offset info if we don't need to. 2119| | * Otherwise this value is ignored. 2120| | */ 2121| | int usePrefetchDecoder = 1; 2122| |#endif 2123| 7.02k| int nbSeq; 2124| 7.02k| size_t const seqHSize = ZSTD_decodeSeqHeaders(dctx, &nbSeq, ip, srcSize); 2125| 7.02k| if (ZSTD_isError(seqHSize)) return seqHSize; ------------------ | | 44| 7.02k|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (2125:13): [True: 62, False: 6.96k] ------------------ 2126| 6.96k| ip += seqHSize; 2127| 6.96k| srcSize -= seqHSize; 2128| | 2129| 6.96k| RETURN_ERROR_IF((dst == NULL || dstCapacity == 0) && nbSeq > 0, dstSize_tooSmall, "NULL not handled"); ------------------ | | 114| 6.96k| do { \ | | 115| 27.9k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 6.96k] | | | Branch (115:13): [True: 99, False: 6.86k] | | | Branch (115:13): [True: 0, False: 99] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 6.96k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 6.96k] | | ------------------ ------------------ 2130| 6.96k| RETURN_ERROR_IF(MEM_64bits() && sizeof(size_t) == sizeof(void*) && (size_t)(-1) - (size_t)dst < (size_t)(1 << 20), dstSize_tooSmall, ------------------ | | 114| 6.96k| do { \ | | 115| 34.8k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 6.96k, False: 0] | | | Branch (115:13): [True: 0, Folded] | | | Branch (115:13): [True: 0, False: 6.96k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 6.96k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 6.96k] | | ------------------ ------------------ 2131| 6.96k| "invalid dst"); 2132| | 2133| | /* If we could potentially have long offsets, or we might want to use the prefetch decoder, 2134| | * compute information about the share of long offsets, and the maximum nbAdditionalBits. 2135| | * NOTE: could probably use a larger nbSeq limit 2136| | */ 2137| 6.96k| if (isLongOffset || (!usePrefetchDecoder && (totalHistorySize > (1u << 24)) && (nbSeq > 8))) { ------------------ | Branch (2137:13): [True: 0, False: 6.96k] | Branch (2137:30): [True: 6.38k, False: 581] | Branch (2137:53): [True: 99, False: 6.28k] | Branch (2137:88): [True: 0, False: 99] ------------------ 2138| 0| ZSTD_OffsetInfo const info = ZSTD_getOffsetInfo(dctx->OFTptr, nbSeq); 2139| 0| if (isLongOffset && info.maxNbAdditionalBits <= STREAM_ACCUMULATOR_MIN) { ------------------ | | 45| 0|#define STREAM_ACCUMULATOR_MIN ((U32)(MEM_32bits() ? STREAM_ACCUMULATOR_MIN_32 : STREAM_ACCUMULATOR_MIN_64)) | | ------------------ | | | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 | | ------------------ | | #define STREAM_ACCUMULATOR_MIN ((U32)(MEM_32bits() ? STREAM_ACCUMULATOR_MIN_32 : STREAM_ACCUMULATOR_MIN_64)) | | ------------------ | | | | 44| 0|#define STREAM_ACCUMULATOR_MIN_64 57 | | ------------------ | | | Branch (45:42): [True: 0, False: 0] | | ------------------ ------------------ | Branch (2139:17): [True: 0, False: 0] | Branch (2139:33): [True: 0, False: 0] ------------------ 2140| | /* If isLongOffset, but the maximum number of additional bits that we see in our table is small 2141| | * enough, then we know it is impossible to have too long an offset in this block, so we can 2142| | * use the regular offset decoder. 2143| | */ 2144| 0| isLongOffset = ZSTD_lo_isRegularOffset; 2145| 0| } 2146| 0| if (!usePrefetchDecoder) { ------------------ | Branch (2146:17): [True: 0, False: 0] ------------------ 2147| 0| U32 const minShare = MEM_64bits() ? 7 : 20; /* heuristic values, correspond to 2.73% and 7.81% */ ------------------ | Branch (2147:38): [True: 0, False: 0] ------------------ 2148| 0| usePrefetchDecoder = (info.longOffsetShare >= minShare); 2149| 0| } 2150| 0| } 2151| | 2152| 6.96k| dctx->ddictIsCold = 0; 2153| | 2154| 6.96k|#if !defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT) && \ 2155| 6.96k| !defined(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG) 2156| 6.96k| if (usePrefetchDecoder) { ------------------ | Branch (2156:13): [True: 581, False: 6.38k] ------------------ 2157| |#else 2158| | (void)usePrefetchDecoder; 2159| | { 2160| |#endif 2161| 581|#ifndef ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT 2162| 581| return ZSTD_decompressSequencesLong(dctx, dst, dstCapacity, ip, srcSize, nbSeq, isLongOffset); 2163| 581|#endif 2164| 581| } 2165| | 2166| 6.38k|#ifndef ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG 2167| | /* else */ 2168| 6.38k| if (dctx->litBufferLocation == ZSTD_split) ------------------ | Branch (2168:13): [True: 555, False: 5.82k] ------------------ 2169| 555| return ZSTD_decompressSequencesSplitLitBuffer(dctx, dst, dstCapacity, ip, srcSize, nbSeq, isLongOffset); 2170| 5.82k| else 2171| 5.82k| return ZSTD_decompressSequences(dctx, dst, dstCapacity, ip, srcSize, nbSeq, isLongOffset); 2172| 6.38k|#endif 2173| 6.38k| } 2174| 6.38k|} ZSTD_checkContinuity: 2179| 17.7k|{ 2180| 17.7k| if (dst != dctx->previousDstEnd && dstSize > 0) { /* not contiguous */ ------------------ | Branch (2180:9): [True: 17.7k, False: 0] | Branch (2180:40): [True: 17.5k, False: 181] ------------------ 2181| 17.5k| dctx->dictEnd = dctx->previousDstEnd; 2182| 17.5k| dctx->virtualStart = (const char*)dst - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->prefixStart)); 2183| 17.5k| dctx->prefixStart = dst; 2184| 17.5k| dctx->previousDstEnd = dst; 2185| 17.5k| } 2186| 17.7k|} zstd_decompress_block.c:ZSTD_decodeLiteralsBlock: 137| 7.23k|{ 138| 7.23k| DEBUGLOG(5, "ZSTD_decodeLiteralsBlock"); ------------------ | | 104| 7.23k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 7.23k] | | ------------------ ------------------ 139| 7.23k| RETURN_ERROR_IF(srcSize < MIN_CBLOCK_SIZE, corruption_detected, ""); ------------------ | | 114| 7.23k| do { \ | | 115| 7.23k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 7.23k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 7.23k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 7.23k] | | ------------------ ------------------ 140| | 141| 7.23k| { const BYTE* const istart = (const BYTE*) src; 142| 7.23k| SymbolEncodingType_e const litEncType = (SymbolEncodingType_e)(istart[0] & 3); 143| 7.23k| size_t const blockSizeMax = ZSTD_blockSizeMax(dctx); 144| | 145| 7.23k| switch(litEncType) 146| 7.23k| { 147| 252| case set_repeat: ------------------ | Branch (147:9): [True: 252, False: 6.98k] ------------------ 148| 252| DEBUGLOG(5, "set_repeat flag : re-using stats from previous compressed literals block"); ------------------ | | 104| 252|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 252] | | ------------------ ------------------ 149| 252| RETURN_ERROR_IF(dctx->litEntropy==0, dictionary_corrupted, ""); ------------------ | | 114| 252| do { \ | | 115| 252| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 252] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 252| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 252] | | ------------------ ------------------ 150| 252| ZSTD_FALLTHROUGH; ------------------ | | 262| 252|# define ZSTD_FALLTHROUGH ; __attribute__((__fallthrough__)) ------------------ 151| | 152| 4.18k| case set_compressed: ------------------ | Branch (152:9): [True: 3.93k, False: 3.30k] ------------------ 153| 4.18k| RETURN_ERROR_IF(srcSize < 5, corruption_detected, "srcSize >= MIN_CBLOCK_SIZE == 2; here we need up to 5 for case 3"); ------------------ | | 114| 4.18k| do { \ | | 115| 4.18k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 4.18k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 4.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.18k] | | ------------------ ------------------ 154| 4.18k| { size_t lhSize, litSize, litCSize; 155| 4.18k| U32 singleStream=0; 156| 4.18k| U32 const lhlCode = (istart[0] >> 2) & 3; 157| 4.18k| U32 const lhc = MEM_readLE32(istart); 158| 4.18k| size_t hufSuccess; 159| 4.18k| size_t expectedWriteSize = MIN(blockSizeMax, dstCapacity); ------------------ | | 54| 4.18k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 2.06k, False: 2.11k] | | ------------------ ------------------ 160| 4.18k| int const flags = 0 161| 4.18k| | (ZSTD_DCtx_get_bmi2(dctx) ? HUF_flags_bmi2 : 0) ------------------ | Branch (161:24): [True: 4.18k, False: 0] ------------------ 162| 4.18k| | (dctx->disableHufAsm ? HUF_flags_disableAsm : 0); ------------------ | Branch (162:24): [True: 0, False: 4.18k] ------------------ 163| 4.18k| switch(lhlCode) 164| 4.18k| { 165| 4.09k| case 0: case 1: default: /* note : default is impossible, since lhlCode into [0..3] */ ------------------ | Branch (165:17): [True: 1.21k, False: 2.96k] | Branch (165:25): [True: 2.87k, False: 1.30k] | Branch (165:33): [True: 0, False: 4.18k] ------------------ 166| | /* 2 - 2 - 10 - 10 */ 167| 4.09k| singleStream = !lhlCode; 168| 4.09k| lhSize = 3; 169| 4.09k| litSize = (lhc >> 4) & 0x3FF; 170| 4.09k| litCSize = (lhc >> 14) & 0x3FF; 171| 4.09k| break; 172| 26| case 2: ------------------ | Branch (172:17): [True: 26, False: 4.15k] ------------------ 173| | /* 2 - 2 - 14 - 14 */ 174| 26| lhSize = 4; 175| 26| litSize = (lhc >> 4) & 0x3FFF; 176| 26| litCSize = lhc >> 18; 177| 26| break; 178| 63| case 3: ------------------ | Branch (178:17): [True: 63, False: 4.12k] ------------------ 179| | /* 2 - 2 - 18 - 18 */ 180| 63| lhSize = 5; 181| 63| litSize = (lhc >> 4) & 0x3FFFF; 182| 63| litCSize = (lhc >> 22) + ((size_t)istart[4] << 10); 183| 63| break; 184| 4.18k| } 185| 4.18k| RETURN_ERROR_IF(litSize > 0 && dst == NULL, dstSize_tooSmall, "NULL not handled"); ------------------ | | 114| 4.18k| do { \ | | 115| 12.0k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3.72k, False: 462] | | | Branch (115:13): [True: 0, False: 3.72k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 4.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.18k] | | ------------------ ------------------ 186| 4.18k| RETURN_ERROR_IF(litSize > blockSizeMax, corruption_detected, ""); ------------------ | | 114| 4.18k| do { \ | | 115| 4.18k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 4.18k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 4.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.18k] | | ------------------ ------------------ 187| 4.18k| if (!singleStream) ------------------ | Branch (187:21): [True: 2.96k, False: 1.21k] ------------------ 188| 2.96k| RETURN_ERROR_IF(litSize < MIN_LITERALS_FOR_4_STREAMS, literals_headerWrong, ------------------ | | 114| 2.96k| do { \ | | 115| 2.96k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 2.96k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 2.96k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 2.96k] | | ------------------ ------------------ 189| 4.18k| "Not enough literals (%zu) for the 4-streams mode (min %u)", 190| 4.18k| litSize, MIN_LITERALS_FOR_4_STREAMS); 191| 4.18k| RETURN_ERROR_IF(litCSize + lhSize > srcSize, corruption_detected, ""); ------------------ | | 114| 4.18k| do { \ | | 115| 4.18k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 2, False: 4.18k] | | ------------------ | | 116| 2| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 117| 2| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 119| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 120| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 121| 2| return ERROR(err); \ | | ------------------ | | | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 2| } \ | | 123| 4.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.18k] | | ------------------ ------------------ 192| 4.18k| RETURN_ERROR_IF(expectedWriteSize < litSize , dstSize_tooSmall, ""); ------------------ | | 114| 4.18k| do { \ | | 115| 4.18k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 5, False: 4.17k] | | ------------------ | | 116| 5| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 117| 5| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 5| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 5| do { \ | | | | 99| 5| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 5] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 5| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 119| 5| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 120| 5| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 121| 5| return ERROR(err); \ | | ------------------ | | | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 5| } \ | | 123| 4.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.17k] | | ------------------ ------------------ 193| 4.17k| ZSTD_allocateLiteralsBuffer(dctx, dst, dstCapacity, litSize, streaming, expectedWriteSize, 0); 194| | 195| | /* prefetch huffman table if cold */ 196| 4.17k| if (dctx->ddictIsCold && (litSize > 768 /* heuristic */)) { ------------------ | Branch (196:21): [True: 193, False: 3.98k] | Branch (196:42): [True: 51, False: 142] ------------------ 197| 51| PREFETCH_AREA(dctx->HUFptr, sizeof(dctx->entropy.hufTable)); ------------------ | | 159| 51| do { \ | | 160| 51| const char* const _ptr = (const char*)(p); \ | | 161| 51| size_t const _size = (size_t)(s); \ | | 162| 51| size_t _pos; \ | | 163| 13.1k| for (_pos=0; _pos<_size; _pos+=CACHELINE_SIZE) { \ | | ------------------ | | | | 156| 13.1k|#define CACHELINE_SIZE 64 | | ------------------ | | | Branch (163:22): [True: 13.1k, False: 51] | | ------------------ | | 164| 13.1k| PREFETCH_L2(_ptr + _pos); \ | | ------------------ | | | | 146| 13.1k|# define PREFETCH_L2(ptr) __builtin_prefetch((ptr), 0 /* rw==read */, 2 /* locality */) | | ------------------ | | 165| 13.1k| } \ | | 166| 51| } while (0) | | ------------------ | | | Branch (166:14): [Folded, False: 51] | | ------------------ ------------------ 198| 51| } 199| | 200| 4.17k| if (litEncType==set_repeat) { ------------------ | Branch (200:21): [True: 249, False: 3.92k] ------------------ 201| 249| if (singleStream) { ------------------ | Branch (201:25): [True: 150, False: 99] ------------------ 202| 150| hufSuccess = HUF_decompress1X_usingDTable( 203| 150| dctx->litBuffer, litSize, istart+lhSize, litCSize, 204| 150| dctx->HUFptr, flags); 205| 150| } else { 206| 99| assert(litSize >= MIN_LITERALS_FOR_4_STREAMS); ------------------ | | 70| 99|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 207| 99| hufSuccess = HUF_decompress4X_usingDTable( 208| 99| dctx->litBuffer, litSize, istart+lhSize, litCSize, 209| 99| dctx->HUFptr, flags); 210| 99| } 211| 3.92k| } else { 212| 3.92k| if (singleStream) { ------------------ | Branch (212:25): [True: 1.06k, False: 2.86k] ------------------ 213| |#if defined(HUF_FORCE_DECOMPRESS_X2) 214| | hufSuccess = HUF_decompress1X_DCtx_wksp( 215| | dctx->entropy.hufTable, dctx->litBuffer, litSize, 216| | istart+lhSize, litCSize, dctx->workspace, 217| | sizeof(dctx->workspace), flags); 218| |#else 219| 1.06k| hufSuccess = HUF_decompress1X1_DCtx_wksp( 220| 1.06k| dctx->entropy.hufTable, dctx->litBuffer, litSize, 221| 1.06k| istart+lhSize, litCSize, dctx->workspace, 222| 1.06k| sizeof(dctx->workspace), flags); 223| 1.06k|#endif 224| 2.86k| } else { 225| 2.86k| hufSuccess = HUF_decompress4X_hufOnly_wksp( 226| 2.86k| dctx->entropy.hufTable, dctx->litBuffer, litSize, 227| 2.86k| istart+lhSize, litCSize, dctx->workspace, 228| 2.86k| sizeof(dctx->workspace), flags); 229| 2.86k| } 230| 3.92k| } 231| 4.17k| if (dctx->litBufferLocation == ZSTD_split) ------------------ | Branch (231:21): [True: 32, False: 4.14k] ------------------ 232| 32| { 233| 32| assert(litSize > ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 70| 32|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 234| 32| ZSTD_memcpy(dctx->litExtraBuffer, dctx->litBufferEnd - ZSTD_LITBUFFEREXTRASIZE, ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 44| 192|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) | | ------------------ | | | Branch (44:51): [True: 0, Folded] | | | Branch (44:51): [True: 32, Folded] | | | Branch (44:51): [Folded, False: 32] | | | Branch (44:55): [True: 0, Folded] | | | Branch (44:55): [True: 32, Folded] | | | Branch (44:55): [Folded, False: 32] | | ------------------ ------------------ 235| 32| ZSTD_memmove(dctx->litBuffer + ZSTD_LITBUFFEREXTRASIZE - WILDCOPY_OVERLENGTH, dctx->litBuffer, litSize - ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 45| 192|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) | | ------------------ | | | Branch (45:49): [True: 0, Folded] | | | Branch (45:49): [True: 32, Folded] | | | Branch (45:49): [Folded, False: 32] | | | Branch (45:57): [True: 0, Folded] | | | Branch (45:57): [True: 32, Folded] | | | Branch (45:57): [Folded, False: 32] | | ------------------ ------------------ 236| 32| dctx->litBuffer += ZSTD_LITBUFFEREXTRASIZE - WILDCOPY_OVERLENGTH; ------------------ | | 118| 32|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 32|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 64|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 32] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 32, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ dctx->litBuffer += ZSTD_LITBUFFEREXTRASIZE - WILDCOPY_OVERLENGTH; ------------------ | | 199| 32|#define WILDCOPY_OVERLENGTH 32 ------------------ 237| 32| dctx->litBufferEnd -= WILDCOPY_OVERLENGTH; ------------------ | | 199| 32|#define WILDCOPY_OVERLENGTH 32 ------------------ 238| 32| assert(dctx->litBufferEnd <= (BYTE*)dst + blockSizeMax); ------------------ | | 70| 32|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 239| 32| } 240| | 241| 4.17k| RETURN_ERROR_IF(HUF_isError(hufSuccess), corruption_detected, ""); ------------------ | | 114| 4.17k| do { \ | | 115| 4.17k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 183, False: 3.99k] | | ------------------ | | 116| 183| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 183|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 183] | | | | ------------------ | | ------------------ | | 117| 183| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 183| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 183| do { \ | | | | 99| 183| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 183] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 183| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 183] | | | | ------------------ | | ------------------ | | 119| 183| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 183|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 183] | | | | ------------------ | | ------------------ | | 120| 183| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 183|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 183] | | | | ------------------ | | ------------------ | | 121| 183| return ERROR(err); \ | | ------------------ | | | | 49| 183|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 183|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 183|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 183| } \ | | 123| 4.17k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 3.99k] | | ------------------ ------------------ 242| | 243| 3.99k| dctx->litPtr = dctx->litBuffer; 244| 3.99k| dctx->litSize = litSize; 245| 3.99k| dctx->litEntropy = 1; 246| 3.99k| if (litEncType==set_compressed) dctx->HUFptr = dctx->entropy.hufTable; ------------------ | Branch (246:21): [True: 3.76k, False: 223] ------------------ 247| 3.99k| return litCSize + lhSize; 248| 4.17k| } 249| | 250| 1.48k| case set_basic: ------------------ | Branch (250:9): [True: 1.48k, False: 5.75k] ------------------ 251| 1.48k| { size_t litSize, lhSize; 252| 1.48k| U32 const lhlCode = ((istart[0]) >> 2) & 3; 253| 1.48k| size_t expectedWriteSize = MIN(blockSizeMax, dstCapacity); ------------------ | | 54| 1.48k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 471, False: 1.01k] | | ------------------ ------------------ 254| 1.48k| switch(lhlCode) 255| 1.48k| { 256| 1.12k| case 0: case 2: default: /* note : default is impossible, since lhlCode into [0..3] */ ------------------ | Branch (256:17): [True: 828, False: 654] | Branch (256:25): [True: 301, False: 1.18k] | Branch (256:33): [True: 0, False: 1.48k] ------------------ 257| 1.12k| lhSize = 1; 258| 1.12k| litSize = istart[0] >> 3; 259| 1.12k| break; 260| 340| case 1: ------------------ | Branch (260:17): [True: 340, False: 1.14k] ------------------ 261| 340| lhSize = 2; 262| 340| litSize = MEM_readLE16(istart) >> 4; 263| 340| break; 264| 13| case 3: ------------------ | Branch (264:17): [True: 13, False: 1.46k] ------------------ 265| 13| lhSize = 3; 266| 13| RETURN_ERROR_IF(srcSize<3, corruption_detected, "srcSize >= MIN_CBLOCK_SIZE == 2; here we need lhSize = 3"); ------------------ | | 114| 13| do { \ | | 115| 13| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 13] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 13| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 13] | | ------------------ ------------------ 267| 13| litSize = MEM_readLE24(istart) >> 4; 268| 13| break; 269| 1.48k| } 270| | 271| 1.48k| RETURN_ERROR_IF(litSize > 0 && dst == NULL, dstSize_tooSmall, "NULL not handled"); ------------------ | | 114| 1.48k| do { \ | | 115| 3.31k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 352, False: 1.13k] | | | Branch (115:13): [True: 0, False: 352] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.48k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.48k] | | ------------------ ------------------ 272| 1.48k| RETURN_ERROR_IF(litSize > blockSizeMax, corruption_detected, ""); ------------------ | | 114| 1.48k| do { \ | | 115| 1.48k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 1.48k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 1.48k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.48k] | | ------------------ ------------------ 273| 1.48k| RETURN_ERROR_IF(expectedWriteSize < litSize, dstSize_tooSmall, ""); ------------------ | | 114| 1.48k| do { \ | | 115| 1.48k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 1.48k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.48k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.48k] | | ------------------ ------------------ 274| 1.48k| ZSTD_allocateLiteralsBuffer(dctx, dst, dstCapacity, litSize, streaming, expectedWriteSize, 1); 275| 1.48k| if (lhSize+litSize+WILDCOPY_OVERLENGTH > srcSize) { /* risk reading beyond src buffer with wildcopy */ ------------------ | | 199| 1.48k|#define WILDCOPY_OVERLENGTH 32 ------------------ | Branch (275:21): [True: 1.42k, False: 61] ------------------ 276| 1.42k| RETURN_ERROR_IF(litSize+lhSize > srcSize, corruption_detected, ""); ------------------ | | 114| 1.42k| do { \ | | 115| 1.42k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 15, False: 1.40k] | | ------------------ | | 116| 15| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 15|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 15] | | | | ------------------ | | ------------------ | | 117| 15| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 15| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 15| do { \ | | | | 99| 15| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 15] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 15| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 15] | | | | ------------------ | | ------------------ | | 119| 15| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 15|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 15] | | | | ------------------ | | ------------------ | | 120| 15| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 15|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 15] | | | | ------------------ | | ------------------ | | 121| 15| return ERROR(err); \ | | ------------------ | | | | 49| 15|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 15|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 15|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 15| } \ | | 123| 1.42k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.40k] | | ------------------ ------------------ 277| 1.40k| if (dctx->litBufferLocation == ZSTD_split) ------------------ | Branch (277:25): [True: 0, False: 1.40k] ------------------ 278| 0| { 279| 0| ZSTD_memcpy(dctx->litBuffer, istart + lhSize, litSize - ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 44| 0|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) | | ------------------ | | | Branch (44:55): [True: 0, Folded] | | | Branch (44:55): [True: 0, Folded] | | | Branch (44:55): [Folded, False: 0] | | ------------------ ------------------ 280| 0| ZSTD_memcpy(dctx->litExtraBuffer, istart + lhSize + litSize - ZSTD_LITBUFFEREXTRASIZE, ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 44| 0|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) | | ------------------ | | | Branch (44:51): [True: 0, Folded] | | | Branch (44:51): [True: 0, Folded] | | | Branch (44:51): [Folded, False: 0] | | | Branch (44:55): [True: 0, Folded] | | | Branch (44:55): [True: 0, Folded] | | | Branch (44:55): [Folded, False: 0] | | ------------------ ------------------ 281| 0| } 282| 1.40k| else 283| 1.40k| { 284| 1.40k| ZSTD_memcpy(dctx->litBuffer, istart + lhSize, litSize); ------------------ | | 44| 1.40k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 285| 1.40k| } 286| 1.40k| dctx->litPtr = dctx->litBuffer; 287| 1.40k| dctx->litSize = litSize; 288| 1.40k| return lhSize+litSize; 289| 1.42k| } 290| | /* direct reference into compressed stream */ 291| 61| dctx->litPtr = istart+lhSize; 292| 61| dctx->litSize = litSize; 293| 61| dctx->litBufferEnd = dctx->litPtr + litSize; 294| 61| dctx->litBufferLocation = ZSTD_not_in_dst; 295| 61| return lhSize+litSize; 296| 1.48k| } 297| | 298| 1.57k| case set_rle: ------------------ | Branch (298:9): [True: 1.57k, False: 5.66k] ------------------ 299| 1.57k| { U32 const lhlCode = ((istart[0]) >> 2) & 3; 300| 1.57k| size_t litSize, lhSize; 301| 1.57k| size_t expectedWriteSize = MIN(blockSizeMax, dstCapacity); ------------------ | | 54| 1.57k|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 379, False: 1.19k] | | ------------------ ------------------ 302| 1.57k| switch(lhlCode) 303| 1.57k| { 304| 466| case 0: case 2: default: /* note : default is impossible, since lhlCode into [0..3] */ ------------------ | Branch (304:17): [True: 343, False: 1.22k] | Branch (304:25): [True: 123, False: 1.44k] | Branch (304:33): [True: 0, False: 1.57k] ------------------ 305| 466| lhSize = 1; 306| 466| litSize = istart[0] >> 3; 307| 466| break; 308| 42| case 1: ------------------ | Branch (308:17): [True: 42, False: 1.53k] ------------------ 309| 42| lhSize = 2; 310| 42| RETURN_ERROR_IF(srcSize<3, corruption_detected, "srcSize >= MIN_CBLOCK_SIZE == 2; here we need lhSize+1 = 3"); ------------------ | | 114| 42| do { \ | | 115| 42| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 42] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 42| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 42] | | ------------------ ------------------ 311| 42| litSize = MEM_readLE16(istart) >> 4; 312| 42| break; 313| 1.06k| case 3: ------------------ | Branch (313:17): [True: 1.06k, False: 508] ------------------ 314| 1.06k| lhSize = 3; 315| 1.06k| RETURN_ERROR_IF(srcSize<4, corruption_detected, "srcSize >= MIN_CBLOCK_SIZE == 2; here we need lhSize+1 = 4"); ------------------ | | 114| 1.06k| do { \ | | 115| 1.06k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 1.06k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.06k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.06k] | | ------------------ ------------------ 316| 1.06k| litSize = MEM_readLE24(istart) >> 4; 317| 1.06k| break; 318| 1.57k| } 319| 1.57k| RETURN_ERROR_IF(litSize > 0 && dst == NULL, dstSize_tooSmall, "NULL not handled"); ------------------ | | 114| 1.57k| do { \ | | 115| 4.57k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1.42k, False: 143] | | | Branch (115:13): [True: 0, False: 1.42k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.57k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.57k] | | ------------------ ------------------ 320| 1.57k| RETURN_ERROR_IF(litSize > blockSizeMax, corruption_detected, ""); ------------------ | | 114| 1.57k| do { \ | | 115| 1.57k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 1.57k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 1.57k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.57k] | | ------------------ ------------------ 321| 1.57k| RETURN_ERROR_IF(expectedWriteSize < litSize, dstSize_tooSmall, ""); ------------------ | | 114| 1.57k| do { \ | | 115| 1.57k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 5, False: 1.56k] | | ------------------ | | 116| 5| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 117| 5| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 5| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 5| do { \ | | | | 99| 5| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 5] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 5| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 119| 5| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 120| 5| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 121| 5| return ERROR(err); \ | | ------------------ | | | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 5| } \ | | 123| 1.57k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.56k] | | ------------------ ------------------ 322| 1.56k| ZSTD_allocateLiteralsBuffer(dctx, dst, dstCapacity, litSize, streaming, expectedWriteSize, 1); 323| 1.56k| if (dctx->litBufferLocation == ZSTD_split) ------------------ | Branch (323:21): [True: 884, False: 683] ------------------ 324| 884| { 325| 884| ZSTD_memset(dctx->litBuffer, istart[lhSize], litSize - ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 46| 5.30k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) | | ------------------ | | | Branch (46:55): [True: 0, Folded] | | | Branch (46:55): [True: 884, Folded] | | | Branch (46:55): [Folded, False: 884] | | ------------------ ------------------ 326| 884| ZSTD_memset(dctx->litExtraBuffer, istart[lhSize], ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 46| 5.30k|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) | | ------------------ | | | Branch (46:55): [True: 0, Folded] | | | Branch (46:55): [True: 884, Folded] | | | Branch (46:55): [Folded, False: 884] | | ------------------ ------------------ 327| 884| } 328| 683| else 329| 683| { 330| 683| ZSTD_memset(dctx->litBuffer, istart[lhSize], litSize); ------------------ | | 46| 683|# define ZSTD_memset(p,v,l) __builtin_memset((p),(v),(l)) ------------------ 331| 683| } 332| 1.56k| dctx->litPtr = dctx->litBuffer; 333| 1.56k| dctx->litSize = litSize; 334| 1.56k| return lhSize+1; 335| 1.57k| } 336| 0| default: ------------------ | Branch (336:9): [True: 0, False: 7.23k] ------------------ 337| 0| RETURN_ERROR(corruption_detected, "impossible"); ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 338| 7.23k| } 339| 7.23k| } 340| 7.23k|} zstd_decompress_block.c:ZSTD_allocateLiteralsBuffer: 82| 7.22k|{ 83| 7.22k| size_t const blockSizeMax = ZSTD_blockSizeMax(dctx); 84| 7.22k| assert(litSize <= blockSizeMax); ------------------ | | 70| 7.22k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 85| 7.22k| assert(dctx->isFrameDecompression || streaming == not_streaming); ------------------ | | 70| 7.22k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 86| 7.22k| assert(expectedWriteSize <= blockSizeMax); ------------------ | | 70| 7.22k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 87| 7.22k| if (streaming == not_streaming && dstCapacity > blockSizeMax + WILDCOPY_OVERLENGTH + litSize + WILDCOPY_OVERLENGTH) { ------------------ | | 199| 7.22k|#define WILDCOPY_OVERLENGTH 32 ------------------ if (streaming == not_streaming && dstCapacity > blockSizeMax + WILDCOPY_OVERLENGTH + litSize + WILDCOPY_OVERLENGTH) { ------------------ | | 199| 7.22k|#define WILDCOPY_OVERLENGTH 32 ------------------ | Branch (87:9): [True: 7.22k, False: 0] | Branch (87:39): [True: 2.65k, False: 4.56k] ------------------ 88| | /* If we aren't streaming, we can just put the literals after the output 89| | * of the current block. We don't need to worry about overwriting the 90| | * extDict of our window, because it doesn't exist. 91| | * So if we have space after the end of the block, just put it there. 92| | */ 93| 2.65k| dctx->litBuffer = (BYTE*)dst + blockSizeMax + WILDCOPY_OVERLENGTH; ------------------ | | 199| 2.65k|#define WILDCOPY_OVERLENGTH 32 ------------------ 94| 2.65k| dctx->litBufferEnd = dctx->litBuffer + litSize; 95| 2.65k| dctx->litBufferLocation = ZSTD_in_dst; 96| 4.56k| } else if (litSize <= ZSTD_LITBUFFEREXTRASIZE) { ------------------ | | 118| 4.56k|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 4.56k|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 9.13k|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 4.56k] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 4.56k, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ | Branch (96:16): [True: 3.64k, False: 921] ------------------ 97| | /* Literals fit entirely within the extra buffer, put them there to avoid 98| | * having to split the literals. 99| | */ 100| 3.64k| dctx->litBuffer = dctx->litExtraBuffer; 101| 3.64k| dctx->litBufferEnd = dctx->litBuffer + litSize; 102| 3.64k| dctx->litBufferLocation = ZSTD_not_in_dst; 103| 3.64k| } else { 104| 921| assert(blockSizeMax > ZSTD_LITBUFFEREXTRASIZE); ------------------ | | 70| 921|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 105| | /* Literals must be split between the output block and the extra lit 106| | * buffer. We fill the extra lit buffer with the tail of the literals, 107| | * and put the rest of the literals at the end of the block, with 108| | * WILDCOPY_OVERLENGTH of buffer room to allow for overreads. 109| | * This MUST not write more than our maxBlockSize beyond dst, because in 110| | * streaming mode, that could overwrite part of our extDict window. 111| | */ 112| 921| if (splitImmediately) { ------------------ | Branch (112:13): [True: 889, False: 32] ------------------ 113| | /* won't fit in litExtraBuffer, so it will be split between end of dst and extra buffer */ 114| 889| dctx->litBuffer = (BYTE*)dst + expectedWriteSize - litSize + ZSTD_LITBUFFEREXTRASIZE - WILDCOPY_OVERLENGTH; ------------------ | | 118| 889|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 889|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 1.77k|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 889] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 889, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ dctx->litBuffer = (BYTE*)dst + expectedWriteSize - litSize + ZSTD_LITBUFFEREXTRASIZE - WILDCOPY_OVERLENGTH; ------------------ | | 199| 889|#define WILDCOPY_OVERLENGTH 32 ------------------ 115| 889| dctx->litBufferEnd = dctx->litBuffer + litSize - ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 889|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 889|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 1.77k|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 889] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 889, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 116| 889| } else { 117| | /* initially this will be stored entirely in dst during huffman decoding, it will partially be shifted to litExtraBuffer after */ 118| 32| dctx->litBuffer = (BYTE*)dst + expectedWriteSize - litSize; 119| 32| dctx->litBufferEnd = (BYTE*)dst + expectedWriteSize; 120| 32| } 121| 921| dctx->litBufferLocation = ZSTD_split; 122| 921| assert(dctx->litBufferEnd <= (BYTE*)dst + expectedWriteSize); ------------------ | | 70| 921|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 123| 921| } 124| 7.22k|} zstd_decompress_block.c:ZSTD_buildFSETable_body_bmi2: 620| 4.03k|{ 621| 4.03k| ZSTD_buildFSETable_body(dt, normalizedCounter, maxSymbolValue, 622| 4.03k| baseValue, nbAdditionalBits, tableLog, wksp, wkspSize); 623| 4.03k|} zstd_decompress_block.c:ZSTD_buildFSETable_body: 489| 4.31k|{ 490| 4.31k| ZSTD_seqSymbol* const tableDecode = dt+1; 491| 4.31k| U32 const maxSV1 = maxSymbolValue + 1; 492| 4.31k| U32 const tableSize = 1 << tableLog; 493| | 494| 4.31k| U16* symbolNext = (U16*)wksp; 495| 4.31k| BYTE* spread = (BYTE*)(symbolNext + MaxSeq + 1); ------------------ | | 107| 4.31k|#define MaxSeq MAX(MaxLL, MaxML) /* Assumption : MaxOff < MaxLL,MaxML */ | | ------------------ | | | | 55| 4.31k|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | ------------------ | | | | | Branch (55:19): [Folded, False: 4.31k] | | | | ------------------ | | ------------------ ------------------ 496| 4.31k| U32 highThreshold = tableSize - 1; 497| | 498| | 499| | /* Sanity Checks */ 500| 4.31k| assert(maxSymbolValue <= MaxSeq); ------------------ | | 70| 4.31k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 501| 4.31k| assert(tableLog <= MaxFSELog); ------------------ | | 70| 4.31k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 502| 4.31k| assert(wkspSize >= ZSTD_BUILD_FSE_TABLE_WKSP_SIZE); ------------------ | | 70| 4.31k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 503| 4.31k| (void)wkspSize; 504| | /* Init, lay down lowprob symbols */ 505| 4.31k| { ZSTD_seqSymbol_header DTableH; 506| 4.31k| DTableH.tableLog = tableLog; 507| 4.31k| DTableH.fastMode = 1; 508| 4.31k| { S16 const largeLimit= (S16)(1 << (tableLog-1)); 509| 4.31k| U32 s; 510| 67.9k| for (s=0; s= largeLimit) DTableH.fastMode=0; ------------------ | Branch (515:25): [True: 2.24k, False: 38.5k] ------------------ 516| 40.8k| assert(normalizedCounter[s]>=0); ------------------ | | 70| 40.8k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 517| 40.8k| symbolNext[s] = (U16)normalizedCounter[s]; 518| 40.8k| } } } 519| 4.31k| ZSTD_memcpy(dt, &DTableH, sizeof(DTableH)); ------------------ | | 44| 4.31k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 520| 4.31k| } 521| | 522| | /* Spread symbols */ 523| 4.31k| assert(tableSize <= 512); ------------------ | | 70| 4.31k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 524| | /* Specialized symbol spreading for the case when there are 525| | * no low probability (-1 count) symbols. When compressing 526| | * small blocks we avoid low probability symbols to hit this 527| | * case, since header decoding speed matters more. 528| | */ 529| 4.31k| if (highThreshold == tableSize - 1) { ------------------ | Branch (529:9): [True: 1.01k, False: 3.30k] ------------------ 530| 1.01k| size_t const tableMask = tableSize-1; 531| 1.01k| size_t const step = FSE_TABLESTEP(tableSize); ------------------ | | 623| 1.01k|#define FSE_TABLESTEP(tableSize) (((tableSize)>>1) + ((tableSize)>>3) + 3) ------------------ 532| | /* First lay down the symbols in order. 533| | * We use a uint64_t to lay down 8 bytes at a time. This reduces branch 534| | * misses since small blocks generally have small table logs, so nearly 535| | * all symbols have counts <= 8. We ensure we have 8 bytes at the end of 536| | * our buffer to handle the over-write. 537| | */ 538| 1.01k| { 539| 1.01k| U64 const add = 0x0101010101010101ull; 540| 1.01k| size_t pos = 0; 541| 1.01k| U64 sv = 0; 542| 1.01k| U32 s; 543| 5.18k| for (s=0; s=0); ------------------ | | 70| 4.16k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 551| 4.16k| pos += (size_t)n; 552| 4.16k| } 553| 1.01k| } 554| | /* Now we spread those positions across the table. 555| | * The benefit of doing it in two stages is that we avoid the 556| | * variable size inner loop, which caused lots of branch misses. 557| | * Now we can run through all the positions without any branch misses. 558| | * We unroll the loop twice, since that is what empirically worked best. 559| | */ 560| 1.01k| { 561| 1.01k| size_t position = 0; 562| 1.01k| size_t s; 563| 1.01k| size_t const unroll = 2; 564| 1.01k| assert(tableSize % unroll == 0); /* FSE_MIN_TABLELOG is 5 */ ------------------ | | 70| 1.01k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 565| 75.1k| for (s = 0; s < (size_t)tableSize; s += unroll) { ------------------ | Branch (565:25): [True: 74.1k, False: 1.01k] ------------------ 566| 74.1k| size_t u; 567| 222k| for (u = 0; u < unroll; ++u) { ------------------ | Branch (567:29): [True: 148k, False: 74.1k] ------------------ 568| 148k| size_t const uPosition = (position + (u * step)) & tableMask; 569| 148k| tableDecode[uPosition].baseValue = spread[s + u]; 570| 148k| } 571| 74.1k| position = (position + (unroll * step)) & tableMask; 572| 74.1k| } 573| 1.01k| assert(position == 0); ------------------ | | 70| 1.01k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 574| 1.01k| } 575| 3.30k| } else { 576| 3.30k| U32 const tableMask = tableSize-1; 577| 3.30k| U32 const step = FSE_TABLESTEP(tableSize); ------------------ | | 623| 3.30k|#define FSE_TABLESTEP(tableSize) (((tableSize)>>1) + ((tableSize)>>3) + 3) ------------------ 578| 3.30k| U32 s, position = 0; 579| 62.8k| for (s=0; s highThreshold)) position = (position + step) & tableMask; /* lowprob area */ ------------------ | | 188| 429k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 22.4k, False: 407k] | | ------------------ ------------------ 586| 407k| } } 587| 3.30k| assert(position == 0); /* position must reach all cells once, otherwise normalizedCounter is incorrect */ ------------------ | | 70| 3.30k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 588| 3.30k| } 589| | 590| | /* Build Decoding table */ 591| 4.31k| { 592| 4.31k| U32 u; 593| 582k| for (u=0; u max, corruption_detected, ""); ------------------ | | 114| 1.95k| do { \ | | 115| 1.95k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 1, False: 1.95k] | | ------------------ | | 116| 1| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 117| 1| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 1| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 1| do { \ | | | | 99| 1| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 1] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 1| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 119| 1| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 120| 1| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 1|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 1] | | | | ------------------ | | ------------------ | | 121| 1| return ERROR(err); \ | | ------------------ | | | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 1| } \ | | 123| 1.95k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 1.95k] | | ------------------ ------------------ 660| 1.95k| { U32 const symbol = *(const BYTE*)src; 661| 1.95k| U32 const baseline = baseValue[symbol]; 662| 1.95k| U8 const nbBits = nbAdditionalBits[symbol]; 663| 1.95k| ZSTD_buildSeqTable_rle(DTableSpace, baseline, nbBits); 664| 1.95k| } 665| 1.95k| *DTablePtr = DTableSpace; 666| 1.95k| return 1; 667| 3.45k| case set_basic : ------------------ | Branch (667:5): [True: 3.45k, False: 6.29k] ------------------ 668| 3.45k| *DTablePtr = defaultTable; 669| 3.45k| return 0; 670| 295| case set_repeat: ------------------ | Branch (670:5): [True: 295, False: 9.45k] ------------------ 671| 295| RETURN_ERROR_IF(!flagRepeatTable, corruption_detected, ""); ------------------ | | 114| 295| do { \ | | 115| 295| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 2, False: 293] | | ------------------ | | 116| 2| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 117| 2| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 119| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 120| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 121| 2| return ERROR(err); \ | | ------------------ | | | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 2| } \ | | 123| 295| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 293] | | ------------------ ------------------ 672| | /* prefetch FSE table if used */ 673| 293| if (ddictIsCold && (nbSeq > 24 /* heuristic */)) { ------------------ | Branch (673:13): [True: 63, False: 230] | Branch (673:28): [True: 1, False: 62] ------------------ 674| 1| const void* const pStart = *DTablePtr; 675| 1| size_t const pSize = sizeof(ZSTD_seqSymbol) * (SEQSYMBOL_TABLE_SIZE(maxLog)); ------------------ | | 74| 1| #define SEQSYMBOL_TABLE_SIZE(log) (1 + (1 << (log))) ------------------ 676| 1| PREFETCH_AREA(pStart, pSize); ------------------ | | 159| 1| do { \ | | 160| 1| const char* const _ptr = (const char*)(p); \ | | 161| 1| size_t const _size = (size_t)(s); \ | | 162| 1| size_t _pos; \ | | 163| 66| for (_pos=0; _pos<_size; _pos+=CACHELINE_SIZE) { \ | | ------------------ | | | | 156| 65|#define CACHELINE_SIZE 64 | | ------------------ | | | Branch (163:22): [True: 65, False: 1] | | ------------------ | | 164| 65| PREFETCH_L2(_ptr + _pos); \ | | ------------------ | | | | 146| 65|# define PREFETCH_L2(ptr) __builtin_prefetch((ptr), 0 /* rw==read */, 2 /* locality */) | | ------------------ | | 165| 65| } \ | | 166| 1| } while (0) | | ------------------ | | | Branch (166:14): [Folded, False: 1] | | ------------------ ------------------ 677| 1| } 678| 293| return 0; 679| 4.04k| case set_compressed : ------------------ | Branch (679:5): [True: 4.04k, False: 5.70k] ------------------ 680| 4.04k| { unsigned tableLog; 681| 4.04k| S16 norm[MaxSeq+1]; 682| 4.04k| size_t const headerSize = FSE_readNCount(norm, &max, &tableLog, src, srcSize); 683| 4.04k| RETURN_ERROR_IF(FSE_isError(headerSize), corruption_detected, ""); ------------------ | | 114| 4.04k| do { \ | | 115| 4.04k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 4, False: 4.04k] | | ------------------ | | 116| 4| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 117| 4| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 4| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 4| do { \ | | | | 99| 4| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 4] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 4| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 119| 4| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 120| 4| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 121| 4| return ERROR(err); \ | | ------------------ | | | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 4| } \ | | 123| 4.04k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.04k] | | ------------------ ------------------ 684| 4.04k| RETURN_ERROR_IF(tableLog > maxLog, corruption_detected, ""); ------------------ | | 114| 4.04k| do { \ | | 115| 4.04k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 2, False: 4.03k] | | ------------------ | | 116| 2| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 117| 2| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 2| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 2| do { \ | | | | 99| 2| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 2] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 2| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 119| 2| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 120| 2| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 2|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 2] | | | | ------------------ | | ------------------ | | 121| 2| return ERROR(err); \ | | ------------------ | | | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 2| } \ | | 123| 4.04k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 4.03k] | | ------------------ ------------------ 685| 4.03k| ZSTD_buildFSETable(DTableSpace, norm, max, baseValue, nbAdditionalBits, tableLog, wksp, wkspSize, bmi2); 686| 4.03k| *DTablePtr = DTableSpace; 687| 4.03k| return headerSize; 688| 4.04k| } 689| 0| default : ------------------ | Branch (689:5): [True: 0, False: 9.74k] ------------------ 690| 0| assert(0); ------------------ | | 70| 0|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 691| 0| RETURN_ERROR(GENERIC, "impossible"); ------------------ | | 131| 0| do { \ | | 132| 0| RAWLOG(3, "%s:%d: ERROR!: unconditional check failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 133| 0| __FILE__, __LINE__, ERR_QUOTE(ERROR(err))); \ | | 134| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 135| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 136| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 137| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 138| 0| } while(0) | | ------------------ | | | Branch (138:13): [Folded, False: 0] | | ------------------ ------------------ 692| 9.74k| } 693| 9.74k|} zstd_decompress_block.c:ZSTD_buildSeqTable_rle: 464| 1.95k|{ 465| 1.95k| void* ptr = dt; 466| 1.95k| ZSTD_seqSymbol_header* const DTableH = (ZSTD_seqSymbol_header*)ptr; 467| 1.95k| ZSTD_seqSymbol* const cell = dt + 1; 468| | 469| 1.95k| DTableH->tableLog = 0; 470| 1.95k| DTableH->fastMode = 0; 471| | 472| 1.95k| cell->nbBits = 0; 473| 1.95k| cell->nextState = 0; 474| 1.95k| assert(nbAddBits < 255); ------------------ | | 70| 1.95k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 475| 1.95k| cell->nbAdditionalBits = nbAddBits; 476| 1.95k| cell->baseValue = baseValue; 477| 1.95k|} zstd_decompress_block.c:ZSTD_blockSizeMax: 55| 31.6k|{ 56| 31.6k| size_t const blockSizeMax = dctx->isFrameDecompression ? dctx->fParams.blockSizeMax : ZSTD_BLOCKSIZE_MAX; ------------------ | | 148| 31.6k|#define ZSTD_BLOCKSIZE_MAX (1<litBufferLocation == ZSTD_in_dst ? dctx->litBuffer : ZSTD_maybeNullPtrAdd(ostart, maxDstSize); ------------------ | Branch (1742:24): [True: 31, False: 550] ------------------ 1743| 581| BYTE* op = ostart; 1744| 581| const BYTE* litPtr = dctx->litPtr; 1745| 581| const BYTE* litBufferEnd = dctx->litBufferEnd; 1746| 581| const BYTE* const prefixStart = (const BYTE*) (dctx->prefixStart); 1747| 581| const BYTE* const dictStart = (const BYTE*) (dctx->virtualStart); 1748| 581| const BYTE* const dictEnd = (const BYTE*) (dctx->dictEnd); 1749| | 1750| | /* Regen sequences */ 1751| 581| if (nbSeq) { ------------------ | Branch (1751:9): [True: 504, False: 77] ------------------ 1752| 504|#define STORED_SEQS 8 1753| 504|#define STORED_SEQS_MASK (STORED_SEQS-1) 1754| 504|#define ADVANCED_SEQS STORED_SEQS 1755| 504| seq_t sequences[STORED_SEQS]; 1756| 504| int const seqAdvance = MIN(nbSeq, ADVANCED_SEQS); ------------------ | | 54| 504|#define MIN(a,b) ((a)<(b) ? (a) : (b)) | | ------------------ | | | Branch (54:19): [True: 87, False: 417] | | ------------------ ------------------ 1757| 504| seqState_t seqState; 1758| 504| int seqNb; 1759| 504| size_t prefetchPos = (size_t)(op-prefixStart); /* track position relative to prefixStart */ 1760| | 1761| 504| dctx->fseEntropy = 1; 1762| 2.01k| { int i; for (i=0; ientropy.rep[i]; } ------------------ | | 64| 2.01k|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1762:28): [True: 1.51k, False: 504] ------------------ 1763| 504| assert(dst != NULL); ------------------ | | 70| 504|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1764| 504| assert(iend >= ip); ------------------ | | 70| 504|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1765| 504| RETURN_ERROR_IF( ------------------ | | 114| 504| do { \ | | 115| 504| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 9, False: 495] | | ------------------ | | 116| 9| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 9|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 9] | | | | ------------------ | | ------------------ | | 117| 9| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 9| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 9| do { \ | | | | 99| 9| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 9] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 9| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 9] | | | | ------------------ | | ------------------ | | 119| 9| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 9|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 9] | | | | ------------------ | | ------------------ | | 120| 9| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 9|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 9] | | | | ------------------ | | ------------------ | | 121| 9| return ERROR(err); \ | | ------------------ | | | | 49| 9|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 9|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 9|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 9| } \ | | 123| 504| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 495] | | ------------------ ------------------ 1766| 504| ERR_isError(BIT_initDStream(&seqState.DStream, ip, iend-ip)), 1767| 504| corruption_detected, ""); 1768| 495| ZSTD_initFseState(&seqState.stateLL, &seqState.DStream, dctx->LLTptr); 1769| 495| ZSTD_initFseState(&seqState.stateOffb, &seqState.DStream, dctx->OFTptr); 1770| 495| ZSTD_initFseState(&seqState.stateML, &seqState.DStream, dctx->MLTptr); 1771| | 1772| | /* prepare in advance */ 1773| 4.07k| for (seqNb=0; seqNblitBufferLocation == ZSTD_split && litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength > dctx->litBufferEnd) { ------------------ | | 1754| 1.79M|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ if (dctx->litBufferLocation == ZSTD_split && litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength > dctx->litBufferEnd) { ------------------ | | 1753| 1.79M|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ | Branch (1783:17): [True: 1.79M, False: 74.9k] | Branch (1783:58): [True: 221, False: 1.79M] ------------------ 1784| | /* lit buffer is reaching split point, empty out the first buffer and transition to litExtraBuffer */ 1785| 221| const size_t leftoverLit = dctx->litBufferEnd - litPtr; 1786| 221| if (leftoverLit) ------------------ | Branch (1786:21): [True: 217, False: 4] ------------------ 1787| 217| { 1788| 217| RETURN_ERROR_IF(leftoverLit > (size_t)(oend - op), dstSize_tooSmall, "remaining lit must fit within dstBuffer"); ------------------ | | 114| 217| do { \ | | 115| 217| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 11, False: 206] | | ------------------ | | 116| 11| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 117| 11| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 11| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 11| do { \ | | | | 99| 11| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 11] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 11| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 119| 11| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 120| 11| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 121| 11| return ERROR(err); \ | | ------------------ | | | | 49| 11|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 11|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 11|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 11| } \ | | 123| 217| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 206] | | ------------------ ------------------ 1789| 206| ZSTD_safecopyDstBeforeSrc(op, litPtr, leftoverLit); 1790| 206| sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength -= leftoverLit; ------------------ | | 1754| 206|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 206|#define STORED_SEQS 8 | | ------------------ ------------------ sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength -= leftoverLit; ------------------ | | 1753| 206|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 206|#define STORED_SEQS 8 | | ------------------ ------------------ 1791| 206| op += leftoverLit; 1792| 206| } 1793| 210| litPtr = dctx->litExtraBuffer; 1794| 210| litBufferEnd = dctx->litExtraBuffer + ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 210|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 210|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 420|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 210] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 210, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 1795| 210| dctx->litBufferLocation = ZSTD_not_in_dst; 1796| 210| { size_t const oneSeqSize = ZSTD_execSequence(op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); ------------------ | | 1754| 210|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 210|#define STORED_SEQS 8 | | ------------------ ------------------ { size_t const oneSeqSize = ZSTD_execSequence(op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); ------------------ | | 1753| 210|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 210|#define STORED_SEQS 8 | | ------------------ ------------------ 1797| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1798| | assert(!ZSTD_isError(oneSeqSize)); 1799| | ZSTD_assertValidSequence(dctx, op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], prefixStart, dictStart); 1800| |#endif 1801| 210| if (ZSTD_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 44| 210|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1801:25): [True: 45, False: 165] ------------------ 1802| | 1803| 165| prefetchPos = ZSTD_prefetchMatch(prefetchPos, sequence, prefixStart, dictEnd); 1804| 165| sequences[seqNb & STORED_SEQS_MASK] = sequence; ------------------ | | 1753| 165|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 165|#define STORED_SEQS 8 | | ------------------ ------------------ 1805| 165| op += oneSeqSize; 1806| 165| } } 1807| 1.87M| else 1808| 1.87M| { 1809| | /* lit buffer is either wholly contained in first or second split, or not split at all*/ 1810| 1.87M| size_t const oneSeqSize = dctx->litBufferLocation == ZSTD_split ? ------------------ | Branch (1810:43): [True: 1.79M, False: 74.9k] ------------------ 1811| 1.79M| ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength - WILDCOPY_OVERLENGTH, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 1754| 1.79M|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength - WILDCOPY_OVERLENGTH, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 1753| 1.79M|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength - WILDCOPY_OVERLENGTH, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 199| 1.79M|#define WILDCOPY_OVERLENGTH 32 ------------------ ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength - WILDCOPY_OVERLENGTH, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 1754| 1.79M|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK].litLength - WILDCOPY_OVERLENGTH, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 1753| 1.79M|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 1.79M|#define STORED_SEQS 8 | | ------------------ ------------------ 1812| 1.87M| ZSTD_execSequence(op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); ------------------ | | 1754| 74.9k|#define ADVANCED_SEQS STORED_SEQS | | ------------------ | | | | 1752| 74.9k|#define STORED_SEQS 8 | | ------------------ ------------------ ZSTD_execSequence(op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); ------------------ | | 1753| 74.9k|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 74.9k|#define STORED_SEQS 8 | | ------------------ ------------------ 1813| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1814| | assert(!ZSTD_isError(oneSeqSize)); 1815| | ZSTD_assertValidSequence(dctx, op, oend, sequences[(seqNb - ADVANCED_SEQS) & STORED_SEQS_MASK], prefixStart, dictStart); 1816| |#endif 1817| 1.87M| if (ZSTD_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 44| 1.87M|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1817:21): [True: 347, False: 1.87M] ------------------ 1818| | 1819| 1.87M| prefetchPos = ZSTD_prefetchMatch(prefetchPos, sequence, prefixStart, dictEnd); 1820| 1.87M| sequences[seqNb & STORED_SEQS_MASK] = sequence; ------------------ | | 1753| 1.87M|#define STORED_SEQS_MASK (STORED_SEQS-1) | | ------------------ | | | | 1752| 1.87M|#define STORED_SEQS 8 | | ------------------ ------------------ 1821| 1.87M| op += oneSeqSize; 1822| 1.87M| } 1823| 1.87M| } 1824| 92| RETURN_ERROR_IF(!BIT_endOfDStream(&seqState.DStream), corruption_detected, ""); ------------------ | | 114| 92| do { \ | | 115| 92| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 3, False: 89] | | ------------------ | | 116| 3| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 117| 3| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 3| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 3| do { \ | | | | 99| 3| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 3] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 3| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 119| 3| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 120| 3| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 3|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 3] | | | | ------------------ | | ------------------ | | 121| 3| return ERROR(err); \ | | ------------------ | | | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 3| } \ | | 123| 92| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 89] | | ------------------ ------------------ 1825| | 1826| | /* finish queue */ 1827| 89| seqNb -= seqAdvance; 1828| 386| for ( ; seqNblitBufferLocation == ZSTD_split && litPtr + sequence->litLength > dctx->litBufferEnd) { ------------------ | Branch (1830:17): [True: 0, False: 307] | Branch (1830:58): [True: 0, False: 0] ------------------ 1831| 0| const size_t leftoverLit = dctx->litBufferEnd - litPtr; 1832| 0| if (leftoverLit) { ------------------ | Branch (1832:21): [True: 0, False: 0] ------------------ 1833| 0| RETURN_ERROR_IF(leftoverLit > (size_t)(oend - op), dstSize_tooSmall, "remaining lit must fit within dstBuffer"); ------------------ | | 114| 0| do { \ | | 115| 0| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 0] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 0| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1834| 0| ZSTD_safecopyDstBeforeSrc(op, litPtr, leftoverLit); 1835| 0| sequence->litLength -= leftoverLit; 1836| 0| op += leftoverLit; 1837| 0| } 1838| 0| litPtr = dctx->litExtraBuffer; 1839| 0| litBufferEnd = dctx->litExtraBuffer + ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 0|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 0|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 0|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 0] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 0, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 1840| 0| dctx->litBufferLocation = ZSTD_not_in_dst; 1841| 0| { size_t const oneSeqSize = ZSTD_execSequence(op, oend, *sequence, &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); 1842| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1843| | assert(!ZSTD_isError(oneSeqSize)); 1844| | ZSTD_assertValidSequence(dctx, op, oend, sequences[seqNb&STORED_SEQS_MASK], prefixStart, dictStart); 1845| |#endif 1846| 0| if (ZSTD_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 44| 0|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1846:25): [True: 0, False: 0] ------------------ 1847| 0| op += oneSeqSize; 1848| 0| } 1849| 0| } 1850| 307| else 1851| 307| { 1852| 307| size_t const oneSeqSize = dctx->litBufferLocation == ZSTD_split ? ------------------ | Branch (1852:43): [True: 0, False: 307] ------------------ 1853| 0| ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequence->litLength - WILDCOPY_OVERLENGTH, *sequence, &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd) : ------------------ | | 199| 0|#define WILDCOPY_OVERLENGTH 32 ------------------ 1854| 307| ZSTD_execSequence(op, oend, *sequence, &litPtr, litBufferEnd, prefixStart, dictStart, dictEnd); 1855| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1856| | assert(!ZSTD_isError(oneSeqSize)); 1857| | ZSTD_assertValidSequence(dctx, op, oend, sequences[seqNb&STORED_SEQS_MASK], prefixStart, dictStart); 1858| |#endif 1859| 307| if (ZSTD_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 44| 307|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (1859:21): [True: 10, False: 297] ------------------ 1860| 297| op += oneSeqSize; 1861| 297| } 1862| 307| } 1863| | 1864| | /* save reps for next block */ 1865| 316| { U32 i; for (i=0; ientropy.rep[i] = (U32)(seqState.prevOffset[i]); } ------------------ | | 64| 316|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1865:28): [True: 237, False: 79] ------------------ 1866| 79| } 1867| | 1868| | /* last literal segment */ 1869| 156| if (dctx->litBufferLocation == ZSTD_split) { /* first deplete literal buffer in dst, then copy litExtraBuffer */ ------------------ | Branch (1869:9): [True: 0, False: 156] ------------------ 1870| 0| size_t const lastLLSize = litBufferEnd - litPtr; 1871| 0| RETURN_ERROR_IF(lastLLSize > (size_t)(oend - op), dstSize_tooSmall, ""); ------------------ | | 114| 0| do { \ | | 115| 0| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 0] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 0| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1872| 0| if (op != NULL) { ------------------ | Branch (1872:13): [True: 0, False: 0] ------------------ 1873| 0| ZSTD_memmove(op, litPtr, lastLLSize); ------------------ | | 45| 0|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1874| 0| op += lastLLSize; 1875| 0| } 1876| 0| litPtr = dctx->litExtraBuffer; 1877| 0| litBufferEnd = dctx->litExtraBuffer + ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 0|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 0|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 0|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 0] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 0, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 1878| 0| } 1879| 156| { size_t const lastLLSize = litBufferEnd - litPtr; 1880| 156| RETURN_ERROR_IF(lastLLSize > (size_t)(oend-op), dstSize_tooSmall, ""); ------------------ | | 114| 156| do { \ | | 115| 156| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 156] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 156| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 156] | | ------------------ ------------------ 1881| 156| if (op != NULL) { ------------------ | Branch (1881:13): [True: 156, False: 0] ------------------ 1882| 156| ZSTD_memmove(op, litPtr, lastLLSize); ------------------ | | 45| 156|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1883| 156| op += lastLLSize; 1884| 156| } 1885| 156| } 1886| | 1887| 0| return (size_t)(op - ostart); 1888| 156|} zstd_decompress_block.c:ZSTD_initFseState: 1193| 9.53k|{ 1194| 9.53k| const void* ptr = dt; 1195| 9.53k| const ZSTD_seqSymbol_header* const DTableH = (const ZSTD_seqSymbol_header*)ptr; 1196| 9.53k| DStatePtr->state = BIT_readBits(bitD, DTableH->tableLog); 1197| 9.53k| DEBUGLOG(6, "ZSTD_initFseState : val=%u using %u bits", ------------------ | | 104| 9.53k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 9.53k] | | ------------------ ------------------ 1198| 9.53k| (U32)DStatePtr->state, DTableH->tableLog); 1199| 9.53k| BIT_reloadDStream(bitD); 1200| 9.53k| DStatePtr->table = dt + 1; 1201| 9.53k|} zstd_decompress_block.c:ZSTD_decodeSequence: 1230| 4.68M|{ 1231| 4.68M| seq_t seq; 1232| | /* 1233| | * ZSTD_seqSymbol is a 64 bits wide structure. 1234| | * It can be loaded in one operation 1235| | * and its fields extracted by simply shifting or bit-extracting on aarch64. 1236| | * GCC doesn't recognize this and generates more unnecessary ldr/ldrb/ldrh 1237| | * operations that cause performance drop. This can be avoided by using this 1238| | * ZSTD_memcpy hack. 1239| | */ 1240| |#if defined(__aarch64__) && (defined(__GNUC__) && !defined(__clang__)) 1241| | ZSTD_seqSymbol llDInfoS, mlDInfoS, ofDInfoS; 1242| | ZSTD_seqSymbol* const llDInfo = &llDInfoS; 1243| | ZSTD_seqSymbol* const mlDInfo = &mlDInfoS; 1244| | ZSTD_seqSymbol* const ofDInfo = &ofDInfoS; 1245| | ZSTD_memcpy(llDInfo, seqState->stateLL.table + seqState->stateLL.state, sizeof(ZSTD_seqSymbol)); 1246| | ZSTD_memcpy(mlDInfo, seqState->stateML.table + seqState->stateML.state, sizeof(ZSTD_seqSymbol)); 1247| | ZSTD_memcpy(ofDInfo, seqState->stateOffb.table + seqState->stateOffb.state, sizeof(ZSTD_seqSymbol)); 1248| |#else 1249| 4.68M| const ZSTD_seqSymbol* const llDInfo = seqState->stateLL.table + seqState->stateLL.state; 1250| 4.68M| const ZSTD_seqSymbol* const mlDInfo = seqState->stateML.table + seqState->stateML.state; 1251| 4.68M| const ZSTD_seqSymbol* const ofDInfo = seqState->stateOffb.table + seqState->stateOffb.state; 1252| 4.68M|#endif 1253| 4.68M| seq.matchLength = mlDInfo->baseValue; 1254| 4.68M| seq.litLength = llDInfo->baseValue; 1255| 4.68M| { U32 const ofBase = ofDInfo->baseValue; 1256| 4.68M| BYTE const llBits = llDInfo->nbAdditionalBits; 1257| 4.68M| BYTE const mlBits = mlDInfo->nbAdditionalBits; 1258| 4.68M| BYTE const ofBits = ofDInfo->nbAdditionalBits; 1259| 4.68M| BYTE const totalBits = llBits+mlBits+ofBits; 1260| | 1261| 4.68M| U16 const llNext = llDInfo->nextState; 1262| 4.68M| U16 const mlNext = mlDInfo->nextState; 1263| 4.68M| U16 const ofNext = ofDInfo->nextState; 1264| 4.68M| U32 const llnbBits = llDInfo->nbBits; 1265| 4.68M| U32 const mlnbBits = mlDInfo->nbBits; 1266| 4.68M| U32 const ofnbBits = ofDInfo->nbBits; 1267| | 1268| 4.68M| assert(llBits <= MaxLLBits); ------------------ | | 70| 4.68M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1269| 4.68M| assert(mlBits <= MaxMLBits); ------------------ | | 70| 4.68M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1270| 4.68M| assert(ofBits <= MaxOff); ------------------ | | 70| 4.68M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1271| | /* 1272| | * As gcc has better branch and block analyzers, sometimes it is only 1273| | * valuable to mark likeliness for clang, it gives around 3-4% of 1274| | * performance. 1275| | */ 1276| | 1277| | /* sequence */ 1278| 4.68M| { size_t offset; 1279| 4.68M| if (ofBits > 1) { ------------------ | Branch (1279:17): [True: 4.12M, False: 555k] ------------------ 1280| 4.12M| ZSTD_STATIC_ASSERT(ZSTD_lo_isLongOffset == 1); ------------------ | | 43| 4.12M|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 4.12M|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1281| 4.12M| ZSTD_STATIC_ASSERT(LONG_OFFSETS_MAX_EXTRA_BITS_32 == 5); ------------------ | | 43| 4.12M|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 4.12M|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1282| 4.12M| ZSTD_STATIC_ASSERT(STREAM_ACCUMULATOR_MIN_32 > LONG_OFFSETS_MAX_EXTRA_BITS_32); ------------------ | | 43| 4.12M|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 4.12M|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1283| 4.12M| ZSTD_STATIC_ASSERT(STREAM_ACCUMULATOR_MIN_32 - LONG_OFFSETS_MAX_EXTRA_BITS_32 >= MaxMLBits); ------------------ | | 43| 4.12M|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 4.12M|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1284| 4.12M| if (MEM_32bits() && longOffsets && (ofBits >= STREAM_ACCUMULATOR_MIN_32)) { ------------------ | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 ------------------ | Branch (1284:21): [True: 0, False: 4.12M] | Branch (1284:37): [True: 0, False: 0] | Branch (1284:52): [True: 0, False: 0] ------------------ 1285| | /* Always read extra bits, this keeps the logic simple, 1286| | * avoids branches, and avoids accidentally reading 0 bits. 1287| | */ 1288| 0| U32 const extraBits = LONG_OFFSETS_MAX_EXTRA_BITS_32; ------------------ | | 1216| 0| (ZSTD_WINDOWLOG_MAX_32 > STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 1263| 0|#define ZSTD_WINDOWLOG_MAX_32 30 | | ------------------ | | (ZSTD_WINDOWLOG_MAX_32 > STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 | | ------------------ | | | Branch (1216:6): [True: 0, Folded] | | ------------------ | | 1217| 0| ? ZSTD_WINDOWLOG_MAX_32 - STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 1263| 0|#define ZSTD_WINDOWLOG_MAX_32 30 | | ------------------ | | ? ZSTD_WINDOWLOG_MAX_32 - STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 | | ------------------ | | 1218| 0| : 0) ------------------ 1289| 0| offset = ofBase + (BIT_readBitsFast(&seqState->DStream, ofBits - extraBits) << extraBits); 1290| 0| BIT_reloadDStream(&seqState->DStream); 1291| 0| offset += BIT_readBitsFast(&seqState->DStream, extraBits); 1292| 4.12M| } else { 1293| 4.12M| offset = ofBase + BIT_readBitsFast(&seqState->DStream, ofBits/*>0*/); /* <= (ZSTD_WINDOWLOG_MAX-1) bits */ 1294| 4.12M| if (MEM_32bits()) BIT_reloadDStream(&seqState->DStream); ------------------ | Branch (1294:25): [True: 0, False: 4.12M] ------------------ 1295| 4.12M| } 1296| 4.12M| seqState->prevOffset[2] = seqState->prevOffset[1]; 1297| 4.12M| seqState->prevOffset[1] = seqState->prevOffset[0]; 1298| 4.12M| seqState->prevOffset[0] = offset; 1299| 4.12M| } else { 1300| 555k| U32 const ll0 = (llDInfo->baseValue == 0); 1301| 555k| if (LIKELY((ofBits == 0))) { ------------------ | | 187| 555k|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 459k, False: 96.4k] | | ------------------ ------------------ 1302| 459k| offset = seqState->prevOffset[ll0]; 1303| 459k| seqState->prevOffset[1] = seqState->prevOffset[!ll0]; 1304| 459k| seqState->prevOffset[0] = offset; 1305| 459k| } else { 1306| 96.4k| offset = ofBase + ll0 + BIT_readBitsFast(&seqState->DStream, 1); 1307| 96.4k| { size_t temp = (offset==3) ? seqState->prevOffset[0] - 1 : seqState->prevOffset[offset]; ------------------ | Branch (1307:39): [True: 17.4k, False: 79.0k] ------------------ 1308| 96.4k| temp -= !temp; /* 0 is not valid: input corrupted => force offset to -1 => corruption detected at execSequence */ 1309| 96.4k| if (offset != 1) seqState->prevOffset[2] = seqState->prevOffset[1]; ------------------ | Branch (1309:29): [True: 67.2k, False: 29.1k] ------------------ 1310| 96.4k| seqState->prevOffset[1] = seqState->prevOffset[0]; 1311| 96.4k| seqState->prevOffset[0] = offset = temp; 1312| 96.4k| } } } 1313| 4.68M| seq.offset = offset; 1314| 4.68M| } 1315| | 1316| 4.68M| if (mlBits > 0) ------------------ | Branch (1316:13): [True: 25.9k, False: 4.65M] ------------------ 1317| 25.9k| seq.matchLength += BIT_readBitsFast(&seqState->DStream, mlBits/*>0*/); 1318| | 1319| 4.68M| if (MEM_32bits() && (mlBits+llBits >= STREAM_ACCUMULATOR_MIN_32-LONG_OFFSETS_MAX_EXTRA_BITS_32)) ------------------ | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 ------------------ if (MEM_32bits() && (mlBits+llBits >= STREAM_ACCUMULATOR_MIN_32-LONG_OFFSETS_MAX_EXTRA_BITS_32)) ------------------ | | 1216| 0| (ZSTD_WINDOWLOG_MAX_32 > STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 1263| 0|#define ZSTD_WINDOWLOG_MAX_32 30 | | ------------------ | | (ZSTD_WINDOWLOG_MAX_32 > STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 | | ------------------ | | | Branch (1216:6): [True: 0, Folded] | | ------------------ | | 1217| 0| ? ZSTD_WINDOWLOG_MAX_32 - STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 1263| 0|#define ZSTD_WINDOWLOG_MAX_32 30 | | ------------------ | | ? ZSTD_WINDOWLOG_MAX_32 - STREAM_ACCUMULATOR_MIN_32 \ | | ------------------ | | | | 43| 0|#define STREAM_ACCUMULATOR_MIN_32 25 | | ------------------ | | 1218| 0| : 0) ------------------ | Branch (1319:13): [True: 0, False: 4.68M] | Branch (1319:29): [True: 0, False: 0] ------------------ 1320| 0| BIT_reloadDStream(&seqState->DStream); 1321| 4.68M| if (MEM_64bits() && UNLIKELY(totalBits >= STREAM_ACCUMULATOR_MIN_64-(LLFSELog+MLFSELog+OffFSELog))) ------------------ | | 188| 4.68M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 352, False: 4.68M] | | ------------------ ------------------ | Branch (1321:13): [True: 4.68M, False: 0] ------------------ 1322| 352| BIT_reloadDStream(&seqState->DStream); 1323| | /* Ensure there are enough bits to read the rest of data in 64-bit mode. */ 1324| 4.68M| ZSTD_STATIC_ASSERT(16+LLFSELog+MLFSELog+OffFSELog < STREAM_ACCUMULATOR_MIN_64); ------------------ | | 43| 4.68M|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 4.68M|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1325| | 1326| 4.68M| if (llBits > 0) ------------------ | Branch (1326:13): [True: 58.6k, False: 4.62M] ------------------ 1327| 58.6k| seq.litLength += BIT_readBitsFast(&seqState->DStream, llBits/*>0*/); 1328| | 1329| 4.68M| if (MEM_32bits()) ------------------ | Branch (1329:13): [True: 0, False: 4.68M] ------------------ 1330| 0| BIT_reloadDStream(&seqState->DStream); 1331| | 1332| 4.68M| DEBUGLOG(6, "seq: litL=%u, matchL=%u, offset=%u", ------------------ | | 104| 4.68M|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 4.68M] | | ------------------ ------------------ 1333| 4.68M| (U32)seq.litLength, (U32)seq.matchLength, (U32)seq.offset); 1334| | 1335| 4.68M| if (!isLastSeq) { ------------------ | Branch (1335:13): [True: 4.68M, False: 2.15k] ------------------ 1336| | /* don't update FSE state for last Sequence */ 1337| 4.68M| ZSTD_updateFseStateWithDInfo(&seqState->stateLL, &seqState->DStream, llNext, llnbBits); /* <= 9 bits */ 1338| 4.68M| ZSTD_updateFseStateWithDInfo(&seqState->stateML, &seqState->DStream, mlNext, mlnbBits); /* <= 9 bits */ 1339| 4.68M| if (MEM_32bits()) BIT_reloadDStream(&seqState->DStream); /* <= 18 bits */ ------------------ | Branch (1339:17): [True: 0, False: 4.68M] ------------------ 1340| 4.68M| ZSTD_updateFseStateWithDInfo(&seqState->stateOffb, &seqState->DStream, ofNext, ofnbBits); /* <= 8 bits */ 1341| 4.68M| BIT_reloadDStream(&seqState->DStream); 1342| 4.68M| } 1343| 4.68M| } 1344| | 1345| 4.68M| return seq; 1346| 4.68M|} zstd_decompress_block.c:ZSTD_updateFseStateWithDInfo: 1205| 14.0M|{ 1206| 14.0M| size_t const lowBits = BIT_readBits(bitD, nbBits); 1207| 14.0M| DStatePtr->state = nextState + lowBits; 1208| 14.0M|} zstd_decompress_block.c:ZSTD_prefetchMatch: 1717| 1.87M|{ 1718| 1.87M| prefetchPos += sequence.litLength; 1719| 1.87M| { const BYTE* const matchBase = (sequence.offset > prefetchPos) ? dictEnd : prefixStart; ------------------ | Branch (1719:39): [True: 6.29k, False: 1.87M] ------------------ 1720| | /* note : this operation can overflow when seq.offset is really too large, which can only happen when input is corrupted. 1721| | * No consequence though : memory address is only used for prefetching, not for dereferencing */ 1722| 1.87M| const BYTE* const match = ZSTD_wrappedPtrSub(ZSTD_wrappedPtrAdd(matchBase, prefetchPos), sequence.offset); 1723| 1.87M| PREFETCH_L1(match); PREFETCH_L1(match+CACHELINE_SIZE); /* note : it's safe to invoke PREFETCH() on any memory address, including invalid ones */ ------------------ | | 145| 1.87M|# define PREFETCH_L1(ptr) __builtin_prefetch((ptr), 0 /* rw==read */, 3 /* locality */) ------------------ PREFETCH_L1(match); PREFETCH_L1(match+CACHELINE_SIZE); /* note : it's safe to invoke PREFETCH() on any memory address, including invalid ones */ ------------------ | | 145| 1.87M|# define PREFETCH_L1(ptr) __builtin_prefetch((ptr), 0 /* rw==read */, 3 /* locality */) ------------------ 1724| 1.87M| } 1725| 1.87M| return prefetchPos + sequence.matchLength; 1726| 1.87M|} zstd_decompress_block.c:ZSTD_safecopyDstBeforeSrc: 877| 33.1k|static void ZSTD_safecopyDstBeforeSrc(BYTE* op, const BYTE* ip, ptrdiff_t length) { 878| 33.1k| ptrdiff_t const diff = op - ip; 879| 33.1k| BYTE* const oend = op + length; 880| | 881| 33.1k| if (length < 8 || diff > -8) { ------------------ | Branch (881:9): [True: 30.3k, False: 2.77k] | Branch (881:23): [True: 2.21k, False: 563] ------------------ 882| | /* Handle short lengths, close overlaps, and dst not before src. */ 883| 441k| while (op < oend) *op++ = *ip++; ------------------ | Branch (883:16): [True: 408k, False: 32.5k] ------------------ 884| 32.5k| return; 885| 32.5k| } 886| | 887| 563| if (op <= oend - WILDCOPY_OVERLENGTH && diff < -WILDCOPY_VECLEN) { ------------------ | | 199| 1.12k|#define WILDCOPY_OVERLENGTH 32 ------------------ if (op <= oend - WILDCOPY_OVERLENGTH && diff < -WILDCOPY_VECLEN) { ------------------ | | 200| 396|#define WILDCOPY_VECLEN 16 ------------------ | Branch (887:9): [True: 396, False: 167] | Branch (887:45): [True: 350, False: 46] ------------------ 888| 350| ZSTD_wildcopy(op, ip, oend - WILDCOPY_OVERLENGTH - op, ZSTD_no_overlap); ------------------ | | 199| 350|#define WILDCOPY_OVERLENGTH 32 ------------------ 889| 350| ip += oend - WILDCOPY_OVERLENGTH - op; ------------------ | | 199| 350|#define WILDCOPY_OVERLENGTH 32 ------------------ 890| 350| op += oend - WILDCOPY_OVERLENGTH - op; ------------------ | | 199| 350|#define WILDCOPY_OVERLENGTH 32 ------------------ 891| 350| } 892| | 893| | /* Handle the leftovers. */ 894| 59.0k| while (op < oend) *op++ = *ip++; ------------------ | Branch (894:12): [True: 58.5k, False: 563] ------------------ 895| 563|} zstd_decompress_block.c:ZSTD_execSequence: 1005| 411k|{ 1006| 411k| BYTE* const oLitEnd = op + sequence.litLength; 1007| 411k| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 1008| 411k| BYTE* const oMatchEnd = op + sequenceLength; /* risk : address space overflow (32-bits) */ 1009| 411k| BYTE* const oend_w = oend - WILDCOPY_OVERLENGTH; /* risk : address space underflow on oend=NULL */ ------------------ | | 199| 411k|#define WILDCOPY_OVERLENGTH 32 ------------------ 1010| 411k| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 1011| 411k| const BYTE* match = oLitEnd - sequence.offset; 1012| | 1013| 411k| assert(op != NULL /* Precondition */); ------------------ | | 70| 411k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1014| 411k| assert(oend_w < oend /* No underflow */); ------------------ | | 70| 411k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1015| | 1016| |#if defined(__aarch64__) 1017| | /* prefetch sequence starting from match that will be used for copy later */ 1018| | PREFETCH_L1(match); 1019| |#endif 1020| | /* Handle edge cases in a slow path: 1021| | * - Read beyond end of literals 1022| | * - Match end is within WILDCOPY_OVERLIMIT of oend 1023| | * - 32-bit mode and the match length overflows 1024| | */ 1025| 411k| if (UNLIKELY( ------------------ | | 188| 2.05M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 2.94k, False: 408k] | | | Branch (188:40): [True: 82, False: 411k] | | | Branch (188:40): [True: 2.86k, False: 408k] | | | Branch (188:40): [True: 0, False: 408k] | | | Branch (188:40): [True: 0, False: 0] | | ------------------ ------------------ 1026| 411k| iLitEnd > litLimit || 1027| 411k| oMatchEnd > oend_w || 1028| 411k| (MEM_32bits() && (size_t)(oend - op) < sequenceLength + WILDCOPY_OVERLENGTH))) 1029| 2.94k| return ZSTD_execSequenceEnd(op, oend, sequence, litPtr, litLimit, prefixStart, virtualStart, dictEnd); 1030| | 1031| | /* Assumptions (everything else goes into ZSTD_execSequenceEnd()) */ 1032| 408k| assert(op <= oLitEnd /* No overflow */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1033| 408k| assert(oLitEnd < oMatchEnd /* Non-zero match & no overflow */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1034| 408k| assert(oMatchEnd <= oend /* No underflow */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1035| 408k| assert(iLitEnd <= litLimit /* Literal length is in bounds */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1036| 408k| assert(oLitEnd <= oend_w /* Can wildcopy literals */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1037| 408k| assert(oMatchEnd <= oend_w /* Can wildcopy matches */); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1038| | 1039| | /* Copy Literals: 1040| | * Split out litLength <= 16 since it is nearly always true. +1.6% on gcc-9. 1041| | * We likely don't need the full 32-byte wildcopy. 1042| | */ 1043| 408k| assert(WILDCOPY_OVERLENGTH >= 16); ------------------ | | 70| 408k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1044| 408k| ZSTD_copy16(op, (*litPtr)); 1045| 408k| if (UNLIKELY(sequence.litLength > 16)) { ------------------ | | 188| 408k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 10.5k, False: 397k] | | ------------------ ------------------ 1046| 10.5k| ZSTD_wildcopy(op + 16, (*litPtr) + 16, sequence.litLength - 16, ZSTD_no_overlap); 1047| 10.5k| } 1048| 408k| op = oLitEnd; 1049| 408k| *litPtr = iLitEnd; /* update for next sequence */ 1050| | 1051| | /* Copy Match */ 1052| 408k| if (sequence.offset > (size_t)(oLitEnd - prefixStart)) { ------------------ | Branch (1052:9): [True: 1.17k, False: 407k] ------------------ 1053| | /* offset beyond prefix -> go into extDict */ 1054| 1.17k| RETURN_ERROR_IF(UNLIKELY(sequence.offset > (size_t)(oLitEnd - virtualStart)), corruption_detected, ""); ------------------ | | 114| 1.17k| do { \ | | 115| 1.17k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 246, False: 928] | | ------------------ | | 116| 246| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 246|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 246] | | | | ------------------ | | ------------------ | | 117| 246| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 246| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 246| do { \ | | | | 99| 246| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 246] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 246| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 246] | | | | ------------------ | | ------------------ | | 119| 246| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 246|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 246] | | | | ------------------ | | ------------------ | | 120| 246| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 246|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 246] | | | | ------------------ | | ------------------ | | 121| 246| return ERROR(err); \ | | ------------------ | | | | 49| 246|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 246|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 246|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 246| } \ | | 123| 1.17k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 928] | | ------------------ ------------------ 1055| 928| match = dictEnd + (match - prefixStart); 1056| 928| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (1056:13): [True: 857, False: 71] ------------------ 1057| 857| ZSTD_memmove(oLitEnd, match, sequence.matchLength); ------------------ | | 45| 857|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1058| 857| return sequenceLength; 1059| 857| } 1060| | /* span extDict & currentPrefixSegment */ 1061| 71| { size_t const length1 = dictEnd - match; 1062| 71| ZSTD_memmove(oLitEnd, match, length1); ------------------ | | 45| 71|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1063| 71| op = oLitEnd + length1; 1064| 71| sequence.matchLength -= length1; 1065| 71| match = prefixStart; 1066| 71| } 1067| 71| } 1068| | /* Match within prefix of 1 or more bytes */ 1069| 407k| assert(op <= oMatchEnd); ------------------ | | 70| 407k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1070| 407k| assert(oMatchEnd <= oend_w); ------------------ | | 70| 407k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1071| 407k| assert(match >= prefixStart); ------------------ | | 70| 407k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1072| 407k| assert(sequence.matchLength >= 1); ------------------ | | 70| 407k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1073| | 1074| | /* Nearly all offsets are >= WILDCOPY_VECLEN bytes, which means we can use wildcopy 1075| | * without overlap checking. 1076| | */ 1077| 407k| if (LIKELY(sequence.offset >= WILDCOPY_VECLEN)) { ------------------ | | 187| 407k|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 331k, False: 75.8k] | | ------------------ ------------------ 1078| | /* We bet on a full wildcopy for matches, since we expect matches to be 1079| | * longer than literals (in general). In silesia, ~10% of matches are longer 1080| | * than 16 bytes. 1081| | */ 1082| 331k| ZSTD_wildcopy(op, match, (ptrdiff_t)sequence.matchLength, ZSTD_no_overlap); 1083| 331k| return sequenceLength; 1084| 331k| } 1085| 75.8k| assert(sequence.offset < WILDCOPY_VECLEN); ------------------ | | 70| 75.8k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1086| | 1087| | /* Copy 8 bytes and spread the offset to be >= 8. */ 1088| 75.8k| ZSTD_overlapCopy8(&op, &match, sequence.offset); 1089| | 1090| | /* If the match length is > 8 bytes, then continue with the wildcopy. */ 1091| 75.8k| if (sequence.matchLength > 8) { ------------------ | Branch (1091:9): [True: 15.9k, False: 59.9k] ------------------ 1092| 15.9k| assert(op < oMatchEnd); ------------------ | | 70| 15.9k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1093| 15.9k| ZSTD_wildcopy(op, match, (ptrdiff_t)sequence.matchLength - 8, ZSTD_overlap_src_before_dst); 1094| 15.9k| } 1095| 75.8k| return sequenceLength; 1096| 407k|} zstd_decompress_block.c:ZSTD_execSequenceEnd: 911| 2.94k|{ 912| 2.94k| BYTE* const oLitEnd = op + sequence.litLength; 913| 2.94k| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 914| 2.94k| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 915| 2.94k| const BYTE* match = oLitEnd - sequence.offset; 916| 2.94k| BYTE* const oend_w = oend - WILDCOPY_OVERLENGTH; ------------------ | | 199| 2.94k|#define WILDCOPY_OVERLENGTH 32 ------------------ 917| | 918| | /* bounds checks : careful of address space overflow in 32-bit mode */ 919| 2.94k| RETURN_ERROR_IF(sequenceLength > (size_t)(oend - op), dstSize_tooSmall, "last match must fit within dstBuffer"); ------------------ | | 114| 2.94k| do { \ | | 115| 2.94k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 417, False: 2.53k] | | ------------------ | | 116| 417| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 417|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 417] | | | | ------------------ | | ------------------ | | 117| 417| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 417| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 417| do { \ | | | | 99| 417| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 417] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 417| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 417] | | | | ------------------ | | ------------------ | | 119| 417| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 417|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 417] | | | | ------------------ | | ------------------ | | 120| 417| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 417|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 417] | | | | ------------------ | | ------------------ | | 121| 417| return ERROR(err); \ | | ------------------ | | | | 49| 417|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 417|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 417|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 417| } \ | | 123| 2.94k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 2.53k] | | ------------------ ------------------ 920| 2.53k| RETURN_ERROR_IF(sequence.litLength > (size_t)(litLimit - *litPtr), corruption_detected, "try to read beyond literal buffer"); ------------------ | | 114| 2.53k| do { \ | | 115| 2.53k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 36, False: 2.49k] | | ------------------ | | 116| 36| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 36|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 36] | | | | ------------------ | | ------------------ | | 117| 36| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 36| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 36| do { \ | | | | 99| 36| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 36] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 36| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 36] | | | | ------------------ | | ------------------ | | 119| 36| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 36|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 36] | | | | ------------------ | | ------------------ | | 120| 36| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 36|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 36] | | | | ------------------ | | ------------------ | | 121| 36| return ERROR(err); \ | | ------------------ | | | | 49| 36|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 36|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 36|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 36| } \ | | 123| 2.53k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 2.49k] | | ------------------ ------------------ 921| 2.49k| assert(op < op + sequenceLength); ------------------ | | 70| 2.49k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 922| 2.49k| assert(oLitEnd < op + sequenceLength); ------------------ | | 70| 2.49k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 923| | 924| | /* copy literals */ 925| 2.49k| ZSTD_safecopy(op, oend_w, *litPtr, sequence.litLength, ZSTD_no_overlap); 926| 2.49k| op = oLitEnd; 927| 2.49k| *litPtr = iLitEnd; 928| | 929| | /* copy Match */ 930| 2.49k| if (sequence.offset > (size_t)(oLitEnd - prefixStart)) { ------------------ | Branch (930:9): [True: 263, False: 2.23k] ------------------ 931| | /* offset beyond prefix */ 932| 263| RETURN_ERROR_IF(sequence.offset > (size_t)(oLitEnd - virtualStart), corruption_detected, ""); ------------------ | | 114| 263| do { \ | | 115| 263| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 17, False: 246] | | ------------------ | | 116| 17| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 17|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 17] | | | | ------------------ | | ------------------ | | 117| 17| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 17| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 17| do { \ | | | | 99| 17| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 17] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 17| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 17] | | | | ------------------ | | ------------------ | | 119| 17| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 17|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 17] | | | | ------------------ | | ------------------ | | 120| 17| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 17|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 17] | | | | ------------------ | | ------------------ | | 121| 17| return ERROR(err); \ | | ------------------ | | | | 49| 17|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 17|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 17|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 17| } \ | | 123| 263| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 246] | | ------------------ ------------------ 933| 246| match = dictEnd - (prefixStart - match); 934| 246| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (934:13): [True: 140, False: 106] ------------------ 935| 140| ZSTD_memmove(oLitEnd, match, sequence.matchLength); ------------------ | | 45| 140|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 936| 140| return sequenceLength; 937| 140| } 938| | /* span extDict & currentPrefixSegment */ 939| 106| { size_t const length1 = dictEnd - match; 940| 106| ZSTD_memmove(oLitEnd, match, length1); ------------------ | | 45| 106|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 941| 106| op = oLitEnd + length1; 942| 106| sequence.matchLength -= length1; 943| 106| match = prefixStart; 944| 106| } 945| 106| } 946| 2.33k| ZSTD_safecopy(op, oend_w, match, sequence.matchLength, ZSTD_overlap_src_before_dst); 947| 2.33k| return sequenceLength; 948| 2.49k|} zstd_decompress_block.c:ZSTD_safecopy: 837| 37.4k|static void ZSTD_safecopy(BYTE* op, const BYTE* const oend_w, BYTE const* ip, ptrdiff_t length, ZSTD_overlap_e ovtype) { 838| 37.4k| ptrdiff_t const diff = op - ip; 839| 37.4k| BYTE* const oend = op + length; 840| | 841| 37.4k| assert((ovtype == ZSTD_no_overlap && (diff <= -8 || diff >= 8 || op >= oend_w)) || ------------------ | | 70| 37.4k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 842| 37.4k| (ovtype == ZSTD_overlap_src_before_dst && diff >= 0)); 843| | 844| 37.4k| if (length < 8) { ------------------ | Branch (844:9): [True: 24.8k, False: 12.5k] ------------------ 845| | /* Handle short lengths. */ 846| 120k| while (op < oend) *op++ = *ip++; ------------------ | Branch (846:16): [True: 96.0k, False: 24.8k] ------------------ 847| 24.8k| return; 848| 24.8k| } 849| 12.5k| if (ovtype == ZSTD_overlap_src_before_dst) { ------------------ | Branch (849:9): [True: 11.9k, False: 590] ------------------ 850| | /* Copy 8 bytes and ensure the offset >= 8 when there can be overlap. */ 851| 11.9k| assert(length >= 8); ------------------ | | 70| 11.9k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 852| 11.9k| ZSTD_overlapCopy8(&op, &ip, diff); 853| 11.9k| length -= 8; 854| 11.9k| assert(op - ip >= 8); ------------------ | | 70| 11.9k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 855| 11.9k| assert(op <= oend); ------------------ | | 70| 11.9k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 856| 11.9k| } 857| | 858| 12.5k| if (oend <= oend_w) { ------------------ | Branch (858:9): [True: 18, False: 12.5k] ------------------ 859| | /* No risk of overwrite. */ 860| 18| ZSTD_wildcopy(op, ip, length, ovtype); 861| 18| return; 862| 18| } 863| 12.5k| if (op <= oend_w) { ------------------ | Branch (863:9): [True: 327, False: 12.2k] ------------------ 864| | /* Wildcopy until we get close to the end. */ 865| 327| assert(oend > oend_w); ------------------ | | 70| 327|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 866| 327| ZSTD_wildcopy(op, ip, oend_w - op, ovtype); 867| 327| ip += oend_w - op; 868| 327| op += oend_w - op; 869| 327| } 870| | /* Handle the leftovers. */ 871| 1.95M| while (op < oend) *op++ = *ip++; ------------------ | Branch (871:12): [True: 1.94M, False: 12.5k] ------------------ 872| 12.5k|} zstd_decompress_block.c:ZSTD_overlapCopy8: 804| 1.47M|HINT_INLINE void ZSTD_overlapCopy8(BYTE** op, BYTE const** ip, size_t offset) { 805| 1.47M| assert(*ip <= *op); ------------------ | | 70| 1.47M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 806| 1.47M| if (offset < 8) { ------------------ | Branch (806:9): [True: 703k, False: 775k] ------------------ 807| | /* close range match, overlap */ 808| 703k| static const U32 dec32table[] = { 0, 1, 2, 1, 4, 4, 4, 4 }; /* added */ 809| 703k| static const int dec64table[] = { 8, 8, 8, 7, 8, 9,10,11 }; /* subtracted */ 810| 703k| int const sub2 = dec64table[offset]; 811| 703k| (*op)[0] = (*ip)[0]; 812| 703k| (*op)[1] = (*ip)[1]; 813| 703k| (*op)[2] = (*ip)[2]; 814| 703k| (*op)[3] = (*ip)[3]; 815| 703k| *ip += dec32table[offset]; 816| 703k| ZSTD_copy4(*op+4, *ip); 817| 703k| *ip -= sub2; 818| 775k| } else { 819| 775k| ZSTD_copy8(*op, *ip); 820| 775k| } 821| 1.47M| *ip += 8; 822| 1.47M| *op += 8; 823| 1.47M| assert(*op - *ip >= 8); ------------------ | | 70| 1.47M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 824| 1.47M|} zstd_decompress_block.c:ZSTD_copy4: 47| 703k|static void ZSTD_copy4(void* dst, const void* src) { ZSTD_memcpy(dst, src, 4); } ------------------ | | 44| 703k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ zstd_decompress_block.c:ZSTD_execSequenceSplitLitBuffer: 1104| 4.27M|{ 1105| 4.27M| BYTE* const oLitEnd = op + sequence.litLength; 1106| 4.27M| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 1107| 4.27M| BYTE* const oMatchEnd = op + sequenceLength; /* risk : address space overflow (32-bits) */ 1108| 4.27M| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 1109| 4.27M| const BYTE* match = oLitEnd - sequence.offset; 1110| | 1111| 4.27M| assert(op != NULL /* Precondition */); ------------------ | | 70| 4.27M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1112| 4.27M| assert(oend_w < oend /* No underflow */); ------------------ | | 70| 4.27M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1113| | /* Handle edge cases in a slow path: 1114| | * - Read beyond end of literals 1115| | * - Match end is within WILDCOPY_OVERLIMIT of oend 1116| | * - 32-bit mode and the match length overflows 1117| | */ 1118| 4.27M| if (UNLIKELY( ------------------ | | 188| 21.2M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 32.8k, False: 4.23M] | | | Branch (188:40): [True: 0, False: 4.27M] | | | Branch (188:40): [True: 32.8k, False: 4.23M] | | | Branch (188:40): [True: 0, False: 4.23M] | | | Branch (188:40): [True: 0, False: 0] | | ------------------ ------------------ 1119| 4.27M| iLitEnd > litLimit || 1120| 4.27M| oMatchEnd > oend_w || 1121| 4.27M| (MEM_32bits() && (size_t)(oend - op) < sequenceLength + WILDCOPY_OVERLENGTH))) 1122| 32.8k| return ZSTD_execSequenceEndSplitLitBuffer(op, oend, oend_w, sequence, litPtr, litLimit, prefixStart, virtualStart, dictEnd); 1123| | 1124| | /* Assumptions (everything else goes into ZSTD_execSequenceEnd()) */ 1125| 4.23M| assert(op <= oLitEnd /* No overflow */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1126| 4.23M| assert(oLitEnd < oMatchEnd /* Non-zero match & no overflow */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1127| 4.23M| assert(oMatchEnd <= oend /* No underflow */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1128| 4.23M| assert(iLitEnd <= litLimit /* Literal length is in bounds */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1129| 4.23M| assert(oLitEnd <= oend_w /* Can wildcopy literals */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1130| 4.23M| assert(oMatchEnd <= oend_w /* Can wildcopy matches */); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1131| | 1132| | /* Copy Literals: 1133| | * Split out litLength <= 16 since it is nearly always true. +1.6% on gcc-9. 1134| | * We likely don't need the full 32-byte wildcopy. 1135| | */ 1136| 4.23M| assert(WILDCOPY_OVERLENGTH >= 16); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1137| 4.23M| ZSTD_copy16(op, (*litPtr)); 1138| 4.23M| if (UNLIKELY(sequence.litLength > 16)) { ------------------ | | 188| 4.23M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 41.2k, False: 4.19M] | | ------------------ ------------------ 1139| 41.2k| ZSTD_wildcopy(op+16, (*litPtr)+16, sequence.litLength-16, ZSTD_no_overlap); 1140| 41.2k| } 1141| 4.23M| op = oLitEnd; 1142| 4.23M| *litPtr = iLitEnd; /* update for next sequence */ 1143| | 1144| | /* Copy Match */ 1145| 4.23M| if (sequence.offset > (size_t)(oLitEnd - prefixStart)) { ------------------ | Branch (1145:9): [True: 5.43k, False: 4.23M] ------------------ 1146| | /* offset beyond prefix -> go into extDict */ 1147| 5.43k| RETURN_ERROR_IF(UNLIKELY(sequence.offset > (size_t)(oLitEnd - virtualStart)), corruption_detected, ""); ------------------ | | 114| 5.43k| do { \ | | 115| 5.43k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 100, False: 5.33k] | | ------------------ | | 116| 100| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 100|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 100] | | | | ------------------ | | ------------------ | | 117| 100| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 100| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 100| do { \ | | | | 99| 100| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 100] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 100| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 100] | | | | ------------------ | | ------------------ | | 119| 100| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 100|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 100] | | | | ------------------ | | ------------------ | | 120| 100| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 100|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 100] | | | | ------------------ | | ------------------ | | 121| 100| return ERROR(err); \ | | ------------------ | | | | 49| 100|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 100|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 100|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 100| } \ | | 123| 5.43k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 5.33k] | | ------------------ ------------------ 1148| 5.33k| match = dictEnd + (match - prefixStart); 1149| 5.33k| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (1149:13): [True: 5.21k, False: 123] ------------------ 1150| 5.21k| ZSTD_memmove(oLitEnd, match, sequence.matchLength); ------------------ | | 45| 5.21k|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1151| 5.21k| return sequenceLength; 1152| 5.21k| } 1153| | /* span extDict & currentPrefixSegment */ 1154| 123| { size_t const length1 = dictEnd - match; 1155| 123| ZSTD_memmove(oLitEnd, match, length1); ------------------ | | 45| 123|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1156| 123| op = oLitEnd + length1; 1157| 123| sequence.matchLength -= length1; 1158| 123| match = prefixStart; 1159| 123| } } 1160| | /* Match within prefix of 1 or more bytes */ 1161| 4.23M| assert(op <= oMatchEnd); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1162| 4.23M| assert(oMatchEnd <= oend_w); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1163| 4.23M| assert(match >= prefixStart); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1164| 4.23M| assert(sequence.matchLength >= 1); ------------------ | | 70| 4.23M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1165| | 1166| | /* Nearly all offsets are >= WILDCOPY_VECLEN bytes, which means we can use wildcopy 1167| | * without overlap checking. 1168| | */ 1169| 4.23M| if (LIKELY(sequence.offset >= WILDCOPY_VECLEN)) { ------------------ | | 187| 4.23M|#define LIKELY(x) (__builtin_expect((x), 1)) | | ------------------ | | | Branch (187:19): [True: 2.84M, False: 1.39M] | | ------------------ ------------------ 1170| | /* We bet on a full wildcopy for matches, since we expect matches to be 1171| | * longer than literals (in general). In silesia, ~10% of matches are longer 1172| | * than 16 bytes. 1173| | */ 1174| 2.84M| ZSTD_wildcopy(op, match, (ptrdiff_t)sequence.matchLength, ZSTD_no_overlap); 1175| 2.84M| return sequenceLength; 1176| 2.84M| } 1177| 1.39M| assert(sequence.offset < WILDCOPY_VECLEN); ------------------ | | 70| 1.39M|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1178| | 1179| | /* Copy 8 bytes and spread the offset to be >= 8. */ 1180| 1.39M| ZSTD_overlapCopy8(&op, &match, sequence.offset); 1181| | 1182| | /* If the match length is > 8 bytes, then continue with the wildcopy. */ 1183| 1.39M| if (sequence.matchLength > 8) { ------------------ | Branch (1183:9): [True: 119k, False: 1.27M] ------------------ 1184| 119k| assert(op < oMatchEnd); ------------------ | | 70| 119k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1185| 119k| ZSTD_wildcopy(op, match, (ptrdiff_t)sequence.matchLength-8, ZSTD_overlap_src_before_dst); 1186| 119k| } 1187| 1.39M| return sequenceLength; 1188| 4.23M|} zstd_decompress_block.c:ZSTD_execSequenceEndSplitLitBuffer: 959| 32.8k|{ 960| 32.8k| BYTE* const oLitEnd = op + sequence.litLength; 961| 32.8k| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 962| 32.8k| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 963| 32.8k| const BYTE* match = oLitEnd - sequence.offset; 964| | 965| | 966| | /* bounds checks : careful of address space overflow in 32-bit mode */ 967| 32.8k| RETURN_ERROR_IF(sequenceLength > (size_t)(oend - op), dstSize_tooSmall, "last match must fit within dstBuffer"); ------------------ | | 114| 32.8k| do { \ | | 115| 32.8k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 116, False: 32.6k] | | ------------------ | | 116| 116| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 116|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 116] | | | | ------------------ | | ------------------ | | 117| 116| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 116| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 116| do { \ | | | | 99| 116| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 116] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 116| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 116] | | | | ------------------ | | ------------------ | | 119| 116| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 116|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 116] | | | | ------------------ | | ------------------ | | 120| 116| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 116|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 116] | | | | ------------------ | | ------------------ | | 121| 116| return ERROR(err); \ | | ------------------ | | | | 49| 116|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 116|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 116|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 116| } \ | | 123| 32.8k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 32.6k] | | ------------------ ------------------ 968| 32.6k| RETURN_ERROR_IF(sequence.litLength > (size_t)(litLimit - *litPtr), corruption_detected, "try to read beyond literal buffer"); ------------------ | | 114| 32.6k| do { \ | | 115| 32.6k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 32.6k] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 32.6k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 32.6k] | | ------------------ ------------------ 969| 32.6k| assert(op < op + sequenceLength); ------------------ | | 70| 32.6k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 970| 32.6k| assert(oLitEnd < op + sequenceLength); ------------------ | | 70| 32.6k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 971| | 972| | /* copy literals */ 973| 32.6k| RETURN_ERROR_IF(op > *litPtr && op < *litPtr + sequence.litLength, dstSize_tooSmall, "output should not catch up to and overwrite literal buffer"); ------------------ | | 114| 32.6k| do { \ | | 115| 96.9k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 31.5k, False: 1.12k] | | | Branch (115:13): [True: 31, False: 31.5k] | | ------------------ | | 116| 31| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 31|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 31] | | | | ------------------ | | ------------------ | | 117| 31| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 31| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 31| do { \ | | | | 99| 31| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 31] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 31| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 31] | | | | ------------------ | | ------------------ | | 119| 31| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 31|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 31] | | | | ------------------ | | ------------------ | | 120| 31| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 31|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 31] | | | | ------------------ | | ------------------ | | 121| 31| return ERROR(err); \ | | ------------------ | | | | 49| 31|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 31|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 31|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 31| } \ | | 123| 32.6k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 32.6k] | | ------------------ ------------------ 974| 32.6k| ZSTD_safecopyDstBeforeSrc(op, *litPtr, sequence.litLength); 975| 32.6k| op = oLitEnd; 976| 32.6k| *litPtr = iLitEnd; 977| | 978| | /* copy Match */ 979| 32.6k| if (sequence.offset > (size_t)(oLitEnd - prefixStart)) { ------------------ | Branch (979:9): [True: 87, False: 32.5k] ------------------ 980| | /* offset beyond prefix */ 981| 87| RETURN_ERROR_IF(sequence.offset > (size_t)(oLitEnd - virtualStart), corruption_detected, ""); ------------------ | | 114| 87| do { \ | | 115| 87| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 53, False: 34] | | ------------------ | | 116| 53| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 53|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 53] | | | | ------------------ | | ------------------ | | 117| 53| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 53| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 53| do { \ | | | | 99| 53| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 53] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 53| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 53] | | | | ------------------ | | ------------------ | | 119| 53| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 53|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 53] | | | | ------------------ | | ------------------ | | 120| 53| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 53|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 53] | | | | ------------------ | | ------------------ | | 121| 53| return ERROR(err); \ | | ------------------ | | | | 49| 53|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 53|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 53|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 53| } \ | | 123| 87| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 34] | | ------------------ ------------------ 982| 34| match = dictEnd - (prefixStart - match); 983| 34| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (983:13): [True: 20, False: 14] ------------------ 984| 20| ZSTD_memmove(oLitEnd, match, sequence.matchLength); ------------------ | | 45| 20|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 985| 20| return sequenceLength; 986| 20| } 987| | /* span extDict & currentPrefixSegment */ 988| 14| { size_t const length1 = dictEnd - match; 989| 14| ZSTD_memmove(oLitEnd, match, length1); ------------------ | | 45| 14|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 990| 14| op = oLitEnd + length1; 991| 14| sequence.matchLength -= length1; 992| 14| match = prefixStart; 993| 14| } 994| 14| } 995| 32.5k| ZSTD_safecopy(op, oend_w, match, sequence.matchLength, ZSTD_overlap_src_before_dst); 996| 32.5k| return sequenceLength; 997| 32.6k|} zstd_decompress_block.c:ZSTD_decompressSequencesSplitLitBuffer: 1956| 555|{ 1957| 555| DEBUGLOG(5, "ZSTD_decompressSequencesSplitLitBuffer"); ------------------ | | 104| 555|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 555] | | ------------------ ------------------ 1958| 555|#if DYNAMIC_BMI2 1959| 555| if (ZSTD_DCtx_get_bmi2(dctx)) { ------------------ | Branch (1959:9): [True: 555, False: 0] ------------------ 1960| 555| return ZSTD_decompressSequencesSplitLitBuffer_bmi2(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1961| 555| } 1962| 0|#endif 1963| 0| return ZSTD_decompressSequencesSplitLitBuffer_default(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1964| 555|} zstd_decompress_block.c:ZSTD_decompressSequencesSplitLitBuffer_bmi2: 1920| 555|{ 1921| 555| return ZSTD_decompressSequences_bodySplitLitBuffer(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1922| 555|} zstd_decompress_block.c:ZSTD_decompressSequences_bodySplitLitBuffer: 1407| 555|{ 1408| 555| const BYTE* ip = (const BYTE*)seqStart; 1409| 555| const BYTE* const iend = ip + seqSize; 1410| 555| BYTE* const ostart = (BYTE*)dst; 1411| 555| BYTE* const oend = ZSTD_maybeNullPtrAdd(ostart, maxDstSize); 1412| 555| BYTE* op = ostart; 1413| 555| const BYTE* litPtr = dctx->litPtr; 1414| 555| const BYTE* litBufferEnd = dctx->litBufferEnd; 1415| 555| const BYTE* const prefixStart = (const BYTE*) (dctx->prefixStart); 1416| 555| const BYTE* const vBase = (const BYTE*) (dctx->virtualStart); 1417| 555| const BYTE* const dictEnd = (const BYTE*) (dctx->dictEnd); 1418| 555| DEBUGLOG(5, "ZSTD_decompressSequences_bodySplitLitBuffer (%i seqs)", nbSeq); ------------------ | | 104| 555|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 555] | | ------------------ ------------------ 1419| | 1420| | /* Literals are split between internal buffer & output buffer */ 1421| 555| if (nbSeq) { ------------------ | Branch (1421:9): [True: 555, False: 0] ------------------ 1422| 555| seqState_t seqState; 1423| 555| dctx->fseEntropy = 1; 1424| 2.22k| { U32 i; for (i=0; ientropy.rep[i]; } ------------------ | | 64| 2.22k|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1424:28): [True: 1.66k, False: 555] ------------------ 1425| 555| RETURN_ERROR_IF( ------------------ | | 114| 555| do { \ | | 115| 555| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 48, False: 507] | | ------------------ | | 116| 48| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 48|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 48] | | | | ------------------ | | ------------------ | | 117| 48| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 48| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 48| do { \ | | | | 99| 48| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 48] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 48| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 48] | | | | ------------------ | | ------------------ | | 119| 48| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 48|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 48] | | | | ------------------ | | ------------------ | | 120| 48| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 48|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 48] | | | | ------------------ | | ------------------ | | 121| 48| return ERROR(err); \ | | ------------------ | | | | 49| 48|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 48|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 48|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 48| } \ | | 123| 555| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 507] | | ------------------ ------------------ 1426| 555| ERR_isError(BIT_initDStream(&seqState.DStream, ip, iend-ip)), 1427| 555| corruption_detected, ""); 1428| 507| ZSTD_initFseState(&seqState.stateLL, &seqState.DStream, dctx->LLTptr); 1429| 507| ZSTD_initFseState(&seqState.stateOffb, &seqState.DStream, dctx->OFTptr); 1430| 507| ZSTD_initFseState(&seqState.stateML, &seqState.DStream, dctx->MLTptr); 1431| 507| assert(dst != NULL); ------------------ | | 70| 507|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1432| | 1433| 507| ZSTD_STATIC_ASSERT( ------------------ | | 43| 507|#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c) | | ------------------ | | | | 39| 507|#define DEBUG_STATIC_ASSERT(c) (void)sizeof(char[(c) ? 1 : -1]) | | ------------------ ------------------ 1434| 507| BIT_DStream_unfinished < BIT_DStream_completed && 1435| 507| BIT_DStream_endOfBuffer < BIT_DStream_completed && 1436| 507| BIT_DStream_completed < BIT_DStream_overflow); 1437| | 1438| | /* decompress without overrunning litPtr begins */ 1439| 507| { seq_t sequence = {0,0,0}; /* some static analyzer believe that @sequence is not initialized (it necessarily is, since for(;;) loop as at least one iteration) */ 1440| | /* Align the decompression loop to 32 + 16 bytes. 1441| | * 1442| | * zstd compiled with gcc-9 on an Intel i9-9900k shows 10% decompression 1443| | * speed swings based on the alignment of the decompression loop. This 1444| | * performance swing is caused by parts of the decompression loop falling 1445| | * out of the DSB. The entire decompression loop should fit in the DSB, 1446| | * when it can't we get much worse performance. You can measure if you've 1447| | * hit the good case or the bad case with this perf command for some 1448| | * compressed file test.zst: 1449| | * 1450| | * perf stat -e cycles -e instructions -e idq.all_dsb_cycles_any_uops \ 1451| | * -e idq.all_mite_cycles_any_uops -- ./zstd -tq test.zst 1452| | * 1453| | * If you see most cycles served out of the MITE you've hit the bad case. 1454| | * If you see most cycles served out of the DSB you've hit the good case. 1455| | * If it is pretty even then you may be in an okay case. 1456| | * 1457| | * This issue has been reproduced on the following CPUs: 1458| | * - Kabylake: Macbook Pro (15-inch, 2019) 2.4 GHz Intel Core i9 1459| | * Use Instruments->Counters to get DSB/MITE cycles. 1460| | * I never got performance swings, but I was able to 1461| | * go from the good case of mostly DSB to half of the 1462| | * cycles served from MITE. 1463| | * - Coffeelake: Intel i9-9900k 1464| | * - Coffeelake: Intel i7-9700k 1465| | * 1466| | * I haven't been able to reproduce the instability or DSB misses on any 1467| | * of the following CPUS: 1468| | * - Haswell 1469| | * - Broadwell: Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GH 1470| | * - Skylake 1471| | * 1472| | * Alignment is done for each of the three major decompression loops: 1473| | * - ZSTD_decompressSequences_bodySplitLitBuffer - presplit section of the literal buffer 1474| | * - ZSTD_decompressSequences_bodySplitLitBuffer - postsplit section of the literal buffer 1475| | * - ZSTD_decompressSequences_body 1476| | * Alignment choices are made to minimize large swings on bad cases and influence on performance 1477| | * from changes external to this code, rather than to overoptimize on the current commit. 1478| | * 1479| | * If you are seeing performance stability this script can help test. 1480| | * It tests on 4 commits in zstd where I saw performance change. 1481| | * 1482| | * https://gist.github.com/terrelln/9889fc06a423fd5ca6e99351564473f4 1483| | */ 1484| 507|#if defined(__GNUC__) && defined(__x86_64__) 1485| 507| __asm__(".p2align 6"); 1486| |# if __GNUC__ >= 7 1487| | /* good for gcc-7, gcc-9, and gcc-11 */ 1488| | __asm__("nop"); 1489| | __asm__(".p2align 5"); 1490| | __asm__("nop"); 1491| | __asm__(".p2align 4"); 1492| |# if __GNUC__ == 8 || __GNUC__ == 10 1493| | /* good for gcc-8 and gcc-10 */ 1494| | __asm__("nop"); 1495| | __asm__(".p2align 3"); 1496| |# endif 1497| |# endif 1498| 507|#endif 1499| | 1500| | /* Handle the initial state where litBuffer is currently split between dst and litExtraBuffer */ 1501| 2.47M| for ( ; nbSeq; nbSeq--) { ------------------ | Branch (1501:21): [True: 2.47M, False: 1] ------------------ 1502| 2.47M| sequence = ZSTD_decodeSequence(&seqState, isLongOffset, nbSeq==1); 1503| 2.47M| if (litPtr + sequence.litLength > dctx->litBufferEnd) break; ------------------ | Branch (1503:21): [True: 322, False: 2.47M] ------------------ 1504| 2.47M| { size_t const oneSeqSize = ZSTD_execSequenceSplitLitBuffer(op, oend, litPtr + sequence.litLength - WILDCOPY_OVERLENGTH, sequence, &litPtr, litBufferEnd, prefixStart, vBase, dictEnd); ------------------ | | 199| 2.47M|#define WILDCOPY_OVERLENGTH 32 ------------------ 1505| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1506| | assert(!ZSTD_isError(oneSeqSize)); 1507| | ZSTD_assertValidSequence(dctx, op, oend, sequence, prefixStart, vBase); 1508| |#endif 1509| 2.47M| if (UNLIKELY(ZSTD_isError(oneSeqSize))) ------------------ | | 188| 2.47M|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 184, False: 2.47M] | | ------------------ ------------------ 1510| 184| return oneSeqSize; 1511| 2.47M| DEBUGLOG(6, "regenerated sequence size : %u", (U32)oneSeqSize); ------------------ | | 104| 2.47M|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 2.47M] | | ------------------ ------------------ 1512| 2.47M| op += oneSeqSize; 1513| 2.47M| } } 1514| 323| DEBUGLOG(6, "reached: (litPtr + sequence.litLength > dctx->litBufferEnd)"); ------------------ | | 104| 323|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 323] | | ------------------ ------------------ 1515| | 1516| | /* If there are more sequences, they will need to read literals from litExtraBuffer; copy over the remainder from dst and update litPtr and litEnd */ 1517| 323| if (nbSeq > 0) { ------------------ | Branch (1517:17): [True: 322, False: 1] ------------------ 1518| 322| const size_t leftoverLit = dctx->litBufferEnd - litPtr; 1519| 322| DEBUGLOG(6, "There are %i sequences left, and %zu/%zu literals left in buffer", nbSeq, leftoverLit, sequence.litLength); ------------------ | | 104| 322|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 322] | | ------------------ ------------------ 1520| 322| if (leftoverLit) { ------------------ | Branch (1520:21): [True: 290, False: 32] ------------------ 1521| 290| RETURN_ERROR_IF(leftoverLit > (size_t)(oend - op), dstSize_tooSmall, "remaining lit must fit within dstBuffer"); ------------------ | | 114| 290| do { \ | | 115| 290| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 11, False: 279] | | ------------------ | | 116| 11| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 117| 11| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 11| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 11| do { \ | | | | 99| 11| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 11] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 11| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 119| 11| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 120| 11| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 11|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 11] | | | | ------------------ | | ------------------ | | 121| 11| return ERROR(err); \ | | ------------------ | | | | 49| 11|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 11|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 11|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 11| } \ | | 123| 290| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 279] | | ------------------ ------------------ 1522| 279| ZSTD_safecopyDstBeforeSrc(op, litPtr, leftoverLit); 1523| 279| sequence.litLength -= leftoverLit; 1524| 279| op += leftoverLit; 1525| 279| } 1526| 311| litPtr = dctx->litExtraBuffer; 1527| 311| litBufferEnd = dctx->litExtraBuffer + ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 311|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 311|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 622|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 311] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 311, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 1528| 311| dctx->litBufferLocation = ZSTD_not_in_dst; 1529| 311| { size_t const oneSeqSize = ZSTD_execSequence(op, oend, sequence, &litPtr, litBufferEnd, prefixStart, vBase, dictEnd); 1530| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1531| | assert(!ZSTD_isError(oneSeqSize)); 1532| | ZSTD_assertValidSequence(dctx, op, oend, sequence, prefixStart, vBase); 1533| |#endif 1534| 311| if (UNLIKELY(ZSTD_isError(oneSeqSize))) ------------------ | | 188| 311|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 62, False: 249] | | ------------------ ------------------ 1535| 62| return oneSeqSize; 1536| 249| DEBUGLOG(6, "regenerated sequence size : %u", (U32)oneSeqSize); ------------------ | | 104| 249|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 249] | | ------------------ ------------------ 1537| 249| op += oneSeqSize; 1538| 249| } 1539| 0| nbSeq--; 1540| 249| } 1541| 323| } 1542| | 1543| 250| if (nbSeq > 0) { ------------------ | Branch (1543:13): [True: 247, False: 3] ------------------ 1544| | /* there is remaining lit from extra buffer */ 1545| | 1546| 247|#if defined(__GNUC__) && defined(__x86_64__) 1547| 247| __asm__(".p2align 6"); 1548| 247| __asm__("nop"); 1549| 247|# if __GNUC__ != 7 1550| | /* worse for gcc-7 better for gcc-8, gcc-9, and gcc-10 and clang */ 1551| 247| __asm__(".p2align 4"); 1552| 247| __asm__("nop"); 1553| 247| __asm__(".p2align 3"); 1554| |# elif __GNUC__ >= 11 1555| | __asm__(".p2align 3"); 1556| |# else 1557| | __asm__(".p2align 5"); 1558| | __asm__("nop"); 1559| | __asm__(".p2align 3"); 1560| |# endif 1561| 247|#endif 1562| | 1563| 205k| for ( ; nbSeq ; nbSeq--) { ------------------ | Branch (1563:21): [True: 205k, False: 2] ------------------ 1564| 205k| seq_t const sequence = ZSTD_decodeSequence(&seqState, isLongOffset, nbSeq==1); 1565| 205k| size_t const oneSeqSize = ZSTD_execSequence(op, oend, sequence, &litPtr, litBufferEnd, prefixStart, vBase, dictEnd); 1566| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1567| | assert(!ZSTD_isError(oneSeqSize)); 1568| | ZSTD_assertValidSequence(dctx, op, oend, sequence, prefixStart, vBase); 1569| |#endif 1570| 205k| if (UNLIKELY(ZSTD_isError(oneSeqSize))) ------------------ | | 188| 205k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 245, False: 204k] | | ------------------ ------------------ 1571| 245| return oneSeqSize; 1572| 204k| DEBUGLOG(6, "regenerated sequence size : %u", (U32)oneSeqSize); ------------------ | | 104| 204k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 204k] | | ------------------ ------------------ 1573| 204k| op += oneSeqSize; 1574| 204k| } 1575| 247| } 1576| | 1577| | /* check if reached exact end */ 1578| 5| DEBUGLOG(5, "ZSTD_decompressSequences_bodySplitLitBuffer: after decode loop, remaining nbSeq : %i", nbSeq); ------------------ | | 104| 5|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5] | | ------------------ ------------------ 1579| 5| RETURN_ERROR_IF(nbSeq, corruption_detected, ""); ------------------ | | 114| 5| do { \ | | 115| 5| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 5] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 5| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 5] | | ------------------ ------------------ 1580| 5| DEBUGLOG(5, "bitStream : start=%p, ptr=%p, bitsConsumed=%u", seqState.DStream.start, seqState.DStream.ptr, seqState.DStream.bitsConsumed); ------------------ | | 104| 5|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5] | | ------------------ ------------------ 1581| 5| RETURN_ERROR_IF(!BIT_endOfDStream(&seqState.DStream), corruption_detected, ""); ------------------ | | 114| 5| do { \ | | 115| 5| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 5, False: 0] | | ------------------ | | 116| 5| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 117| 5| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 5| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 5| do { \ | | | | 99| 5| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 5] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 5| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 119| 5| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 120| 5| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 5|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 5] | | | | ------------------ | | ------------------ | | 121| 5| return ERROR(err); \ | | ------------------ | | | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 5| } \ | | 123| 5| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1582| | /* save reps for next block */ 1583| 0| { U32 i; for (i=0; ientropy.rep[i] = (U32)(seqState.prevOffset[i]); } ------------------ | | 64| 0|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1583:28): [True: 0, False: 0] ------------------ 1584| 0| } 1585| | 1586| | /* last literal segment */ 1587| 0| if (dctx->litBufferLocation == ZSTD_split) { ------------------ | Branch (1587:9): [True: 0, False: 0] ------------------ 1588| | /* split hasn't been reached yet, first get dst then copy litExtraBuffer */ 1589| 0| size_t const lastLLSize = (size_t)(litBufferEnd - litPtr); 1590| 0| DEBUGLOG(6, "copy last literals from segment : %u", (U32)lastLLSize); ------------------ | | 104| 0|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 0] | | ------------------ ------------------ 1591| 0| RETURN_ERROR_IF(lastLLSize > (size_t)(oend - op), dstSize_tooSmall, ""); ------------------ | | 114| 0| do { \ | | 115| 0| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 0] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 0| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1592| 0| if (op != NULL) { ------------------ | Branch (1592:13): [True: 0, False: 0] ------------------ 1593| 0| ZSTD_memmove(op, litPtr, lastLLSize); ------------------ | | 45| 0|# define ZSTD_memmove(d,s,l) __builtin_memmove((d),(s),(l)) ------------------ 1594| 0| op += lastLLSize; 1595| 0| } 1596| 0| litPtr = dctx->litExtraBuffer; 1597| 0| litBufferEnd = dctx->litExtraBuffer + ZSTD_LITBUFFEREXTRASIZE; ------------------ | | 118| 0|#define ZSTD_LITBUFFEREXTRASIZE BOUNDED(ZSTD_LBMIN, ZSTD_DECODER_INTERNAL_BUFFER, ZSTD_LBMAX) | | ------------------ | | | | 56| 0|#define BOUNDED(min,val,max) (MAX(min,MIN(val,max))) | | | | ------------------ | | | | | | 55| 0|#define MAX(a,b) ((a)>(b) ? (a) : (b)) | | | | | | ------------------ | | | | | | | Branch (55:19): [Folded, False: 0] | | | | | | | Branch (55:24): [True: 0, Folded] | | | | | | | Branch (55:36): [True: 0, Folded] | | | | | | ------------------ | | | | ------------------ | | ------------------ ------------------ 1598| 0| dctx->litBufferLocation = ZSTD_not_in_dst; 1599| 0| } 1600| | /* copy last literals from internal buffer */ 1601| 0| { size_t const lastLLSize = (size_t)(litBufferEnd - litPtr); 1602| 0| DEBUGLOG(6, "copy last literals from internal buffer : %u", (U32)lastLLSize); ------------------ | | 104| 0|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 0] | | ------------------ ------------------ 1603| 0| RETURN_ERROR_IF(lastLLSize > (size_t)(oend-op), dstSize_tooSmall, ""); ------------------ | | 114| 0| do { \ | | 115| 0| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 0, False: 0] | | ------------------ | | 116| 0| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 117| 0| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 0| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 0| do { \ | | | | 99| 0| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 0] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 0| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 119| 0| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 120| 0| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 0|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 0] | | | | ------------------ | | ------------------ | | 121| 0| return ERROR(err); \ | | ------------------ | | | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 0| } \ | | 123| 0| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 0] | | ------------------ ------------------ 1604| 0| if (op != NULL) { ------------------ | Branch (1604:13): [True: 0, False: 0] ------------------ 1605| 0| ZSTD_memcpy(op, litPtr, lastLLSize); ------------------ | | 44| 0|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1606| 0| op += lastLLSize; 1607| 0| } } 1608| | 1609| 0| DEBUGLOG(6, "decoded block of size %u bytes", (U32)(op - ostart)); ------------------ | | 104| 0|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 0] | | ------------------ ------------------ 1610| 0| return (size_t)(op - ostart); 1611| 0|} zstd_decompress_block.c:ZSTD_decompressSequences: 1943| 5.82k|{ 1944| 5.82k| DEBUGLOG(5, "ZSTD_decompressSequences"); ------------------ | | 104| 5.82k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5.82k] | | ------------------ ------------------ 1945| 5.82k|#if DYNAMIC_BMI2 1946| 5.82k| if (ZSTD_DCtx_get_bmi2(dctx)) { ------------------ | Branch (1946:9): [True: 5.82k, False: 0] ------------------ 1947| 5.82k| return ZSTD_decompressSequences_bmi2(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1948| 5.82k| } 1949| 0|#endif 1950| 0| return ZSTD_decompressSequences_default(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1951| 5.82k|} zstd_decompress_block.c:ZSTD_decompressSequences_bmi2: 1911| 5.82k|{ 1912| 5.82k| return ZSTD_decompressSequences_body(dctx, dst, maxDstSize, seqStart, seqSize, nbSeq, isLongOffset); 1913| 5.82k|} zstd_decompress_block.c:ZSTD_decompressSequences_body: 1619| 5.82k|{ 1620| 5.82k| const BYTE* ip = (const BYTE*)seqStart; 1621| 5.82k| const BYTE* const iend = ip + seqSize; 1622| 5.82k| BYTE* const ostart = (BYTE*)dst; 1623| 5.82k| BYTE* const oend = dctx->litBufferLocation == ZSTD_not_in_dst ? ZSTD_maybeNullPtrAdd(ostart, maxDstSize) : dctx->litBuffer; ------------------ | Branch (1623:24): [True: 3.23k, False: 2.58k] ------------------ 1624| 5.82k| BYTE* op = ostart; 1625| 5.82k| const BYTE* litPtr = dctx->litPtr; 1626| 5.82k| const BYTE* const litEnd = litPtr + dctx->litSize; 1627| 5.82k| const BYTE* const prefixStart = (const BYTE*)(dctx->prefixStart); 1628| 5.82k| const BYTE* const vBase = (const BYTE*)(dctx->virtualStart); 1629| 5.82k| const BYTE* const dictEnd = (const BYTE*)(dctx->dictEnd); 1630| 5.82k| DEBUGLOG(5, "ZSTD_decompressSequences_body: nbSeq = %d", nbSeq); ------------------ | | 104| 5.82k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5.82k] | | ------------------ ------------------ 1631| | 1632| | /* Regen sequences */ 1633| 5.82k| if (nbSeq) { ------------------ | Branch (1633:9): [True: 2.18k, False: 3.64k] ------------------ 1634| 2.18k| seqState_t seqState; 1635| 2.18k| dctx->fseEntropy = 1; 1636| 8.73k| { U32 i; for (i = 0; i < ZSTD_REP_NUM; i++) seqState.prevOffset[i] = dctx->entropy.rep[i]; } ------------------ | | 64| 8.73k|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1636:30): [True: 6.55k, False: 2.18k] ------------------ 1637| 2.18k| RETURN_ERROR_IF( ------------------ | | 114| 2.18k| do { \ | | 115| 2.18k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 8, False: 2.17k] | | ------------------ | | 116| 8| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 117| 8| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 8| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 8| do { \ | | | | 99| 8| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 8] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 8| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 119| 8| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 120| 8| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 8|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 8] | | | | ------------------ | | ------------------ | | 121| 8| return ERROR(err); \ | | ------------------ | | | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 8| } \ | | 123| 2.18k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 2.17k] | | ------------------ ------------------ 1638| 2.18k| ERR_isError(BIT_initDStream(&seqState.DStream, ip, iend - ip)), 1639| 2.18k| corruption_detected, ""); 1640| 2.17k| ZSTD_initFseState(&seqState.stateLL, &seqState.DStream, dctx->LLTptr); 1641| 2.17k| ZSTD_initFseState(&seqState.stateOffb, &seqState.DStream, dctx->OFTptr); 1642| 2.17k| ZSTD_initFseState(&seqState.stateML, &seqState.DStream, dctx->MLTptr); 1643| 2.17k| assert(dst != NULL); ------------------ | | 70| 2.17k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1644| | 1645| 2.17k|#if defined(__GNUC__) && defined(__x86_64__) 1646| 2.17k| __asm__(".p2align 6"); 1647| 2.17k| __asm__("nop"); 1648| |# if __GNUC__ >= 7 1649| | __asm__(".p2align 5"); 1650| | __asm__("nop"); 1651| | __asm__(".p2align 3"); 1652| |# else 1653| 2.17k| __asm__(".p2align 4"); 1654| 2.17k| __asm__("nop"); 1655| 2.17k| __asm__(".p2align 3"); 1656| 2.17k|# endif 1657| 2.17k|#endif 1658| | 1659| 132k| for ( ; nbSeq ; nbSeq--) { ------------------ | Branch (1659:17): [True: 130k, False: 2.05k] ------------------ 1660| 130k| seq_t const sequence = ZSTD_decodeSequence(&seqState, isLongOffset, nbSeq==1); 1661| 130k| size_t const oneSeqSize = ZSTD_execSequence(op, oend, sequence, &litPtr, litEnd, prefixStart, vBase, dictEnd); 1662| |#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION) && defined(FUZZING_ASSERT_VALID_SEQUENCE) 1663| | assert(!ZSTD_isError(oneSeqSize)); 1664| | ZSTD_assertValidSequence(dctx, op, oend, sequence, prefixStart, vBase); 1665| |#endif 1666| 130k| if (UNLIKELY(ZSTD_isError(oneSeqSize))) ------------------ | | 188| 130k|#define UNLIKELY(x) (__builtin_expect((x), 0)) | | ------------------ | | | Branch (188:21): [True: 123, False: 130k] | | ------------------ ------------------ 1667| 123| return oneSeqSize; 1668| 130k| DEBUGLOG(6, "regenerated sequence size : %u", (U32)oneSeqSize); ------------------ | | 104| 130k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 130k] | | ------------------ ------------------ 1669| 130k| op += oneSeqSize; 1670| 130k| } 1671| | 1672| | /* check if reached exact end */ 1673| 2.05k| assert(nbSeq == 0); ------------------ | | 70| 2.05k|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 1674| 2.05k| RETURN_ERROR_IF(!BIT_endOfDStream(&seqState.DStream), corruption_detected, ""); ------------------ | | 114| 2.05k| do { \ | | 115| 2.05k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 23, False: 2.03k] | | ------------------ | | 116| 23| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 23|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 23] | | | | ------------------ | | ------------------ | | 117| 23| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 23| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 23| do { \ | | | | 99| 23| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 23] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 23| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 23] | | | | ------------------ | | ------------------ | | 119| 23| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 23|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 23] | | | | ------------------ | | ------------------ | | 120| 23| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 23|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 23] | | | | ------------------ | | ------------------ | | 121| 23| return ERROR(err); \ | | ------------------ | | | | 49| 23|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 23|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 23|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 23| } \ | | 123| 2.05k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 2.03k] | | ------------------ ------------------ 1675| | /* save reps for next block */ 1676| 8.12k| { U32 i; for (i=0; ientropy.rep[i] = (U32)(seqState.prevOffset[i]); } ------------------ | | 64| 8.12k|#define ZSTD_REP_NUM 3 /* number of repcodes */ ------------------ | Branch (1676:28): [True: 6.09k, False: 2.03k] ------------------ 1677| 2.03k| } 1678| | 1679| | /* last literal segment */ 1680| 5.67k| { size_t const lastLLSize = (size_t)(litEnd - litPtr); 1681| 5.67k| DEBUGLOG(6, "copy last literals : %u", (U32)lastLLSize); ------------------ | | 104| 5.67k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5.67k] | | ------------------ ------------------ 1682| 5.67k| RETURN_ERROR_IF(lastLLSize > (size_t)(oend-op), dstSize_tooSmall, ""); ------------------ | | 114| 5.67k| do { \ | | 115| 5.67k| if (cond) { \ | | ------------------ | | | Branch (115:13): [True: 4, False: 5.66k] | | ------------------ | | 116| 4| RAWLOG(3, "%s:%d: ERROR!: check %s failed, returning %s", \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 117| 4| __FILE__, __LINE__, ERR_QUOTE(cond), ERR_QUOTE(ERROR(err))); \ | | 118| 4| _FORCE_HAS_FORMAT_STRING(__VA_ARGS__); \ | | ------------------ | | | | 98| 4| do { \ | | | | 99| 4| if (0) { \ | | | | ------------------ | | | | | Branch (99:13): [Folded, False: 4] | | | | ------------------ | | | | 100| 0| _force_has_format_string(__VA_ARGS__); \ | | | | 101| 0| } \ | | | | 102| 4| } while (0) | | | | ------------------ | | | | | Branch (102:14): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 119| 4| RAWLOG(3, ": " __VA_ARGS__); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 120| 4| RAWLOG(3, "\n"); \ | | ------------------ | | | | 103| 4|# define RAWLOG(l, ...) do { } while (0) /* disabled */ | | | | ------------------ | | | | | Branch (103:42): [Folded, False: 4] | | | | ------------------ | | ------------------ | | 121| 4| return ERROR(err); \ | | ------------------ | | | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | | | ------------------ | | | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | | | ------------------ | | | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 122| 4| } \ | | 123| 5.67k| } while (0) | | ------------------ | | | Branch (123:14): [Folded, False: 5.66k] | | ------------------ ------------------ 1683| 5.66k| if (op != NULL) { ------------------ | Branch (1683:13): [True: 5.66k, False: 0] ------------------ 1684| 5.66k| ZSTD_memcpy(op, litPtr, lastLLSize); ------------------ | | 44| 5.66k|# define ZSTD_memcpy(d,s,l) __builtin_memcpy((d),(s),(l)) ------------------ 1685| 5.66k| op += lastLLSize; 1686| 5.66k| } } 1687| | 1688| 5.66k| DEBUGLOG(6, "decoded block of size %u bytes", (U32)(op - ostart)); ------------------ | | 104| 5.66k|# define DEBUGLOG(l, ...) do { } while (0) /* disabled */ | | ------------------ | | | Branch (104:42): [Folded, False: 5.66k] | | ------------------ ------------------ 1689| 5.66k| return (size_t)(op - ostart); 1690| 5.67k|} zstd_decompress_block.c:ZSTD_DCtx_get_bmi2: 213| 20.8k|MEM_STATIC int ZSTD_DCtx_get_bmi2(const struct ZSTD_DCtx_s *dctx) { 214| 20.8k|#if DYNAMIC_BMI2 215| 20.8k| return dctx->bmi2; 216| |#else 217| | (void)dctx; 218| | return 0; 219| |#endif 220| 20.8k|} zstd_decompress.c:ZSTD_isLegacy: 57| 18.7k|{ 58| 18.7k| U32 magicNumberLE; 59| 18.7k| if (srcSize<4) return 0; ------------------ | Branch (59:9): [True: 0, False: 18.7k] ------------------ 60| 18.7k| magicNumberLE = MEM_readLE32(src); 61| 18.7k| switch(magicNumberLE) 62| 18.7k| { 63| |#if (ZSTD_LEGACY_SUPPORT <= 1) 64| | case ZSTDv01_magicNumberLE:return 1; 65| |#endif 66| |#if (ZSTD_LEGACY_SUPPORT <= 2) 67| | case ZSTDv02_magicNumber : return 2; 68| |#endif 69| |#if (ZSTD_LEGACY_SUPPORT <= 3) 70| | case ZSTDv03_magicNumber : return 3; 71| |#endif 72| |#if (ZSTD_LEGACY_SUPPORT <= 4) 73| | case ZSTDv04_magicNumber : return 4; 74| |#endif 75| 0|#if (ZSTD_LEGACY_SUPPORT <= 5) 76| 416| case ZSTDv05_MAGICNUMBER : return 5; ------------------ | | 153| 416|#define ZSTDv05_MAGICNUMBER 0xFD2FB525 /* v0.5 */ ------------------ | Branch (76:9): [True: 416, False: 18.3k] ------------------ 77| 0|#endif 78| 0|#if (ZSTD_LEGACY_SUPPORT <= 6) 79| 148| case ZSTDv06_MAGICNUMBER : return 6; ------------------ | | 164| 148|#define ZSTDv06_MAGICNUMBER 0xFD2FB526 /* v0.6 */ ------------------ | Branch (79:9): [True: 148, False: 18.6k] ------------------ 80| 0|#endif 81| 0|#if (ZSTD_LEGACY_SUPPORT <= 7) 82| 154| case ZSTDv07_MAGICNUMBER : return 7; ------------------ | | 180| 154|#define ZSTDv07_MAGICNUMBER 0xFD2FB527 /* v0.7 */ ------------------ | Branch (82:9): [True: 154, False: 18.6k] ------------------ 83| 0|#endif 84| 18.0k| default : return 0; ------------------ | Branch (84:9): [True: 18.0k, False: 718] ------------------ 85| 18.7k| } 86| 18.7k|} zstd_decompress.c:ZSTD_getDecompressedSize_legacy: 90| 27|{ 91| 27| U32 const version = ZSTD_isLegacy(src, srcSize); 92| 27| if (version < 5) return 0; /* no decompressed size in frame header, or not a legacy format */ ------------------ | Branch (92:9): [True: 0, False: 27] ------------------ 93| 27|#if (ZSTD_LEGACY_SUPPORT <= 5) 94| 27| if (version==5) { ------------------ | Branch (94:9): [True: 20, False: 7] ------------------ 95| 20| ZSTDv05_parameters fParams; 96| 20| size_t const frResult = ZSTDv05_getFrameParams(&fParams, src, srcSize); 97| 20| if (frResult != 0) return 0; ------------------ | Branch (97:13): [True: 0, False: 20] ------------------ 98| 20| return fParams.srcSize; 99| 20| } 100| 7|#endif 101| 7|#if (ZSTD_LEGACY_SUPPORT <= 6) 102| 7| if (version==6) { ------------------ | Branch (102:9): [True: 1, False: 6] ------------------ 103| 1| ZSTDv06_frameParams fParams; 104| 1| size_t const frResult = ZSTDv06_getFrameParams(&fParams, src, srcSize); 105| 1| if (frResult != 0) return 0; ------------------ | Branch (105:13): [True: 0, False: 1] ------------------ 106| 1| return fParams.frameContentSize; 107| 1| } 108| 6|#endif 109| 6|#if (ZSTD_LEGACY_SUPPORT <= 7) 110| 6| if (version==7) { ------------------ | Branch (110:9): [True: 6, False: 0] ------------------ 111| 6| ZSTDv07_frameParams fParams; 112| 6| size_t const frResult = ZSTDv07_getFrameParams(&fParams, src, srcSize); 113| 6| if (frResult != 0) return 0; ------------------ | Branch (113:13): [True: 0, False: 6] ------------------ 114| 6| return fParams.frameContentSize; 115| 6| } 116| 0|#endif 117| 0| return 0; /* should not be possible */ 118| 6|} zstd_decompress.c:ZSTD_findFrameSizeInfoLegacy: 196| 225|{ 197| 225| ZSTD_frameSizeInfo frameSizeInfo; 198| 225| U32 const version = ZSTD_isLegacy(src, srcSize); 199| 225| switch(version) 200| 225| { 201| |#if (ZSTD_LEGACY_SUPPORT <= 1) 202| | case 1 : 203| | ZSTDv01_findFrameSizeInfoLegacy(src, srcSize, 204| | &frameSizeInfo.compressedSize, 205| | &frameSizeInfo.decompressedBound); 206| | break; 207| |#endif 208| |#if (ZSTD_LEGACY_SUPPORT <= 2) 209| | case 2 : 210| | ZSTDv02_findFrameSizeInfoLegacy(src, srcSize, 211| | &frameSizeInfo.compressedSize, 212| | &frameSizeInfo.decompressedBound); 213| | break; 214| |#endif 215| |#if (ZSTD_LEGACY_SUPPORT <= 3) 216| | case 3 : 217| | ZSTDv03_findFrameSizeInfoLegacy(src, srcSize, 218| | &frameSizeInfo.compressedSize, 219| | &frameSizeInfo.decompressedBound); 220| | break; 221| |#endif 222| |#if (ZSTD_LEGACY_SUPPORT <= 4) 223| | case 4 : 224| | ZSTDv04_findFrameSizeInfoLegacy(src, srcSize, 225| | &frameSizeInfo.compressedSize, 226| | &frameSizeInfo.decompressedBound); 227| | break; 228| |#endif 229| 0|#if (ZSTD_LEGACY_SUPPORT <= 5) 230| 127| case 5 : ------------------ | Branch (230:9): [True: 127, False: 98] ------------------ 231| 127| ZSTDv05_findFrameSizeInfoLegacy(src, srcSize, 232| 127| &frameSizeInfo.compressedSize, 233| 127| &frameSizeInfo.decompressedBound); 234| 127| break; 235| 0|#endif 236| 0|#if (ZSTD_LEGACY_SUPPORT <= 6) 237| 49| case 6 : ------------------ | Branch (237:9): [True: 49, False: 176] ------------------ 238| 49| ZSTDv06_findFrameSizeInfoLegacy(src, srcSize, 239| 49| &frameSizeInfo.compressedSize, 240| 49| &frameSizeInfo.decompressedBound); 241| 49| break; 242| 0|#endif 243| 0|#if (ZSTD_LEGACY_SUPPORT <= 7) 244| 49| case 7 : ------------------ | Branch (244:9): [True: 49, False: 176] ------------------ 245| 49| ZSTDv07_findFrameSizeInfoLegacy(src, srcSize, 246| 49| &frameSizeInfo.compressedSize, 247| 49| &frameSizeInfo.decompressedBound); 248| 49| break; 249| 0|#endif 250| 0| default : ------------------ | Branch (250:9): [True: 0, False: 225] ------------------ 251| 0| frameSizeInfo.compressedSize = ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 252| 0| frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR; ------------------ | | 204| 0|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 253| 0| break; 254| 225| } 255| 225| if (!ZSTD_isError(frameSizeInfo.compressedSize) && frameSizeInfo.compressedSize > srcSize) { ------------------ | | 44| 225|#define ZSTD_isError ERR_isError /* for inlining */ ------------------ | Branch (255:9): [True: 214, False: 11] | Branch (255:56): [True: 0, False: 214] ------------------ 256| 0| frameSizeInfo.compressedSize = ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 257| 0| frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR; ------------------ | | 204| 0|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 258| 0| } 259| | /* In all cases, decompressedBound == nbBlocks * ZSTD_BLOCKSIZE_MAX. 260| | * So we can compute nbBlocks without having to change every function. 261| | */ 262| 225| if (frameSizeInfo.decompressedBound != ZSTD_CONTENTSIZE_ERROR) { ------------------ | | 204| 225|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ | Branch (262:9): [True: 214, False: 11] ------------------ 263| 214| assert((frameSizeInfo.decompressedBound & (ZSTD_BLOCKSIZE_MAX - 1)) == 0); ------------------ | | 70| 214|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 264| 214| frameSizeInfo.nbBlocks = (size_t)(frameSizeInfo.decompressedBound / ZSTD_BLOCKSIZE_MAX); ------------------ | | 148| 214|#define ZSTD_BLOCKSIZE_MAX (1<= 8 */ 142| 214| switch(version) 143| 214| { 144| |#if (ZSTD_LEGACY_SUPPORT <= 1) 145| | case 1 : 146| | return ZSTDv01_decompress(dst, dstCapacity, src, compressedSize); 147| |#endif 148| |#if (ZSTD_LEGACY_SUPPORT <= 2) 149| | case 2 : 150| | return ZSTDv02_decompress(dst, dstCapacity, src, compressedSize); 151| |#endif 152| |#if (ZSTD_LEGACY_SUPPORT <= 3) 153| | case 3 : 154| | return ZSTDv03_decompress(dst, dstCapacity, src, compressedSize); 155| |#endif 156| |#if (ZSTD_LEGACY_SUPPORT <= 4) 157| | case 4 : 158| | return ZSTDv04_decompress(dst, dstCapacity, src, compressedSize); 159| |#endif 160| 0|#if (ZSTD_LEGACY_SUPPORT <= 5) 161| 122| case 5 : ------------------ | Branch (161:9): [True: 122, False: 92] ------------------ 162| 122| { size_t result; 163| 122| ZSTDv05_DCtx* const zd = ZSTDv05_createDCtx(); 164| 122| if (zd==NULL) return ERROR(memory_allocation); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (164:21): [True: 0, False: 122] ------------------ 165| 122| result = ZSTDv05_decompress_usingDict(zd, dst, dstCapacity, src, compressedSize, dict, dictSize); 166| 122| ZSTDv05_freeDCtx(zd); 167| 122| return result; 168| 122| } 169| 0|#endif 170| 0|#if (ZSTD_LEGACY_SUPPORT <= 6) 171| 48| case 6 : ------------------ | Branch (171:9): [True: 48, False: 166] ------------------ 172| 48| { size_t result; 173| 48| ZSTDv06_DCtx* const zd = ZSTDv06_createDCtx(); 174| 48| if (zd==NULL) return ERROR(memory_allocation); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (174:21): [True: 0, False: 48] ------------------ 175| 48| result = ZSTDv06_decompress_usingDict(zd, dst, dstCapacity, src, compressedSize, dict, dictSize); 176| 48| ZSTDv06_freeDCtx(zd); 177| 48| return result; 178| 48| } 179| 0|#endif 180| 0|#if (ZSTD_LEGACY_SUPPORT <= 7) 181| 44| case 7 : ------------------ | Branch (181:9): [True: 44, False: 170] ------------------ 182| 44| { size_t result; 183| 44| ZSTDv07_DCtx* const zd = ZSTDv07_createDCtx(); 184| 44| if (zd==NULL) return ERROR(memory_allocation); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (184:21): [True: 0, False: 44] ------------------ 185| 44| result = ZSTDv07_decompress_usingDict(zd, dst, dstCapacity, src, compressedSize, dict, dictSize); 186| 44| ZSTDv07_freeDCtx(zd); 187| 44| return result; 188| 44| } 189| 0|#endif 190| 0| default : ------------------ | Branch (190:9): [True: 0, False: 214] ------------------ 191| 0| return ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 192| 214| } 193| 214|} FSEv05_buildDTable: 1158| 71|{ 1159| 71| FSEv05_DTableHeader DTableH; 1160| 71| void* const tdPtr = dt+1; /* because dt is unsigned, 32-bits aligned on 32-bits */ 1161| 71| FSEv05_DECODE_TYPE* const tableDecode = (FSEv05_DECODE_TYPE*) (tdPtr); ------------------ | | 1056| 71|#define FSEv05_DECODE_TYPE FSEv05_decode_t ------------------ 1162| 71| const U32 tableSize = 1 << tableLog; 1163| 71| const U32 tableMask = tableSize-1; 1164| 71| const U32 step = FSEv05_tableStep(tableSize); 1165| 71| U16 symbolNext[FSEv05_MAX_SYMBOL_VALUE+1]; 1166| 71| U32 position = 0; 1167| 71| U32 highThreshold = tableSize-1; 1168| 71| const S16 largeLimit= (S16)(1 << (tableLog-1)); 1169| 71| U32 noLarge = 1; 1170| 71| U32 s; 1171| | 1172| | /* Sanity Checks */ 1173| 71| if (maxSymbolValue > FSEv05_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 1048| 71|#define FSEv05_MAX_SYMBOL_VALUE 255 ------------------ if (maxSymbolValue > FSEv05_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1173:9): [True: 0, False: 71] ------------------ 1174| 71| if (tableLog > FSEv05_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 1094| 71|#define FSEv05_MAX_TABLELOG (FSEv05_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 1042| 71|#define FSEv05_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ if (tableLog > FSEv05_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1174:9): [True: 1, False: 70] ------------------ 1175| | 1176| | /* Init, lay down lowprob symbols */ 1177| 70| memset(tableDecode, 0, sizeof(FSEv05_FUNCTION_TYPE) * (maxSymbolValue+1) ); /* useless init, but keep static analyzer happy, and we don't need to performance optimize legacy decoders */ 1178| 70| DTableH.tableLog = (U16)tableLog; 1179| 1.05k| for (s=0; s<=maxSymbolValue; s++) { ------------------ | Branch (1179:15): [True: 986, False: 70] ------------------ 1180| 986| if (normalizedCounter[s]==-1) { ------------------ | Branch (1180:13): [True: 679, False: 307] ------------------ 1181| 679| tableDecode[highThreshold--].symbol = (FSEv05_FUNCTION_TYPE)s; 1182| 679| symbolNext[s] = 1; 1183| 679| } else { 1184| 307| if (normalizedCounter[s] >= largeLimit) noLarge=0; ------------------ | Branch (1184:17): [True: 25, False: 282] ------------------ 1185| 307| symbolNext[s] = normalizedCounter[s]; 1186| 307| } } 1187| | 1188| | /* Spread symbols */ 1189| 1.05k| for (s=0; s<=maxSymbolValue; s++) { ------------------ | Branch (1189:15): [True: 986, False: 70] ------------------ 1190| 986| int i; 1191| 4.59k| for (i=0; i highThreshold) position = (position + step) & tableMask; /* lowprob area */ ------------------ | Branch (1194:20): [True: 519, False: 3.60k] ------------------ 1195| 3.60k| } } 1196| | 1197| 70| if (position!=0) return ERROR(GENERIC); /* position must reach all cells once, otherwise normalizedCounter is incorrect */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1197:9): [True: 0, False: 70] ------------------ 1198| | 1199| | /* Build Decoding table */ 1200| 70| { 1201| 70| U32 i; 1202| 4.35k| for (i=0; i FSEv05_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 1100| 73|#define FSEv05_TABLELOG_ABSOLUTE_MAX 15 ------------------ if (nbBits > FSEv05_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1247:9): [True: 1, False: 72] ------------------ 1248| 72| bitStream >>= 4; 1249| 72| bitCount = 4; 1250| 72| *tableLogPtr = nbBits; 1251| 72| remaining = (1<1) && (charnum<=*maxSVPtr)) { ------------------ | Branch (1255:12): [True: 992, False: 72] | Branch (1255:29): [True: 992, False: 0] ------------------ 1256| 992| if (previous0) { ------------------ | Branch (1256:13): [True: 49, False: 943] ------------------ 1257| 49| unsigned n0 = charnum; 1258| 49| while ((bitStream & 0xFFFF) == 0xFFFF) { ------------------ | Branch (1258:20): [True: 0, False: 49] ------------------ 1259| 0| n0+=24; 1260| 0| if (ip < iend-5) { ------------------ | Branch (1260:21): [True: 0, False: 0] ------------------ 1261| 0| ip+=2; 1262| 0| bitStream = MEM_readLE32(ip) >> bitCount; 1263| 0| } else { 1264| 0| bitStream >>= 16; 1265| 0| bitCount+=16; 1266| 0| } } 1267| 56| while ((bitStream & 3) == 3) { ------------------ | Branch (1267:20): [True: 7, False: 49] ------------------ 1268| 7| n0+=3; 1269| 7| bitStream>>=2; 1270| 7| bitCount+=2; 1271| 7| } 1272| 49| n0 += bitStream & 3; 1273| 49| bitCount += 2; 1274| 49| if (n0 > *maxSVPtr) return ERROR(maxSymbolValue_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1274:17): [True: 0, False: 49] ------------------ 1275| 96| while (charnum < n0) normalizedCounter[charnum++] = 0; ------------------ | Branch (1275:20): [True: 47, False: 49] ------------------ 1276| 49| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1276:17): [True: 47, False: 2] | Branch (1276:35): [True: 2, False: 0] ------------------ 1277| 49| ip += bitCount>>3; 1278| 49| bitCount &= 7; 1279| 49| bitStream = MEM_readLE32(ip) >> bitCount; 1280| 49| } 1281| 0| else 1282| 0| bitStream >>= 2; 1283| 49| } 1284| 992| { 1285| 992| const short max = (short)((2*threshold-1)-remaining); 1286| 992| short count; 1287| | 1288| 992| if ((bitStream & (threshold-1)) < (U32)max) { ------------------ | Branch (1288:17): [True: 754, False: 238] ------------------ 1289| 754| count = (short)(bitStream & (threshold-1)); 1290| 754| bitCount += nbBits-1; 1291| 754| } else { 1292| 238| count = (short)(bitStream & (2*threshold-1)); 1293| 238| if (count >= threshold) count -= max; ------------------ | Branch (1293:21): [True: 81, False: 157] ------------------ 1294| 238| bitCount += nbBits; 1295| 238| } 1296| | 1297| 992| count--; /* extra accuracy */ 1298| 992| remaining -= FSEv05_abs(count); 1299| 992| normalizedCounter[charnum++] = count; 1300| 992| previous0 = !count; 1301| 1.39k| while (remaining < threshold) { ------------------ | Branch (1301:20): [True: 401, False: 992] ------------------ 1302| 401| nbBits--; 1303| 401| threshold >>= 1; 1304| 401| } 1305| | 1306| 992| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1306:17): [True: 945, False: 47] | Branch (1306:35): [True: 23, False: 24] ------------------ 1307| 968| ip += bitCount>>3; 1308| 968| bitCount &= 7; 1309| 968| } else { 1310| 24| bitCount -= (int)(8 * (iend - 4 - ip)); 1311| 24| ip = iend - 4; 1312| 24| } 1313| 992| bitStream = MEM_readLE32(ip) >> (bitCount & 31); 1314| 992| } } 1315| 72| if (remaining != 1) return ERROR(GENERIC); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1315:9): [True: 0, False: 72] ------------------ 1316| 72| *maxSVPtr = charnum-1; 1317| | 1318| 72| ip += (bitCount+7)>>3; 1319| 72| if ((size_t)(ip-istart) > hbSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1319:9): [True: 1, False: 71] ------------------ 1320| 71| return ip-istart; 1321| 72|} FSEv05_buildDTable_rle: 1329| 59|{ 1330| 59| void* ptr = dt; 1331| 59| FSEv05_DTableHeader* const DTableH = (FSEv05_DTableHeader*)ptr; 1332| 59| void* dPtr = dt + 1; 1333| 59| FSEv05_decode_t* const cell = (FSEv05_decode_t*)dPtr; 1334| | 1335| 59| DTableH->tableLog = 0; 1336| 59| DTableH->fastMode = 0; 1337| | 1338| 59| cell->newState = 0; 1339| 59| cell->symbol = symbolValue; 1340| 59| cell->nbBits = 0; 1341| | 1342| 59| return 0; 1343| 59|} FSEv05_buildDTable_raw: 1347| 80|{ 1348| 80| void* ptr = dt; 1349| 80| FSEv05_DTableHeader* const DTableH = (FSEv05_DTableHeader*)ptr; 1350| 80| void* dPtr = dt + 1; 1351| 80| FSEv05_decode_t* const dinfo = (FSEv05_decode_t*)dPtr; 1352| 80| const unsigned tableSize = 1 << nbBits; 1353| 80| const unsigned tableMask = tableSize - 1; 1354| 80| const unsigned maxSymbolValue = tableMask; 1355| 80| unsigned s; 1356| | 1357| | /* Sanity checks */ 1358| 80| if (nbBits < 1) return ERROR(GENERIC); /* min size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1358:9): [True: 0, False: 80] ------------------ 1359| | 1360| | /* Build Decoding Table */ 1361| 80| DTableH->tableLog = (U16)nbBits; 1362| 80| DTableH->fastMode = 1; 1363| 6.67k| for (s=0; s<=maxSymbolValue; s++) { ------------------ | Branch (1363:15): [True: 6.59k, False: 80] ------------------ 1364| 6.59k| dinfo[s].newState = 0; 1365| 6.59k| dinfo[s].symbol = (BYTE)s; 1366| 6.59k| dinfo[s].nbBits = (BYTE)nbBits; 1367| 6.59k| } 1368| | 1369| 80| return 0; 1370| 80|} FSEv05_decompress_usingDTable: 1443| 3|{ 1444| 3| const void* ptr = dt; 1445| 3| const FSEv05_DTableHeader* DTableH = (const FSEv05_DTableHeader*)ptr; 1446| 3| const U32 fastMode = DTableH->fastMode; 1447| | 1448| | /* select fast mode (static) */ 1449| 3| if (fastMode) return FSEv05_decompress_usingDTable_generic(dst, originalSize, cSrc, cSrcSize, dt, 1); ------------------ | Branch (1449:9): [True: 1, False: 2] ------------------ 1450| 2| return FSEv05_decompress_usingDTable_generic(dst, originalSize, cSrc, cSrcSize, dt, 0); 1451| 3|} FSEv05_decompress: 1455| 9|{ 1456| 9| const BYTE* const istart = (const BYTE*)cSrc; 1457| 9| const BYTE* ip = istart; 1458| 9| short counting[FSEv05_MAX_SYMBOL_VALUE+1]; 1459| 9| DTable_max_t dt; /* Static analyzer seems unable to understand this table will be properly initialized later */ 1460| 9| unsigned tableLog; 1461| 9| unsigned maxSymbolValue = FSEv05_MAX_SYMBOL_VALUE; ------------------ | | 1048| 9|#define FSEv05_MAX_SYMBOL_VALUE 255 ------------------ 1462| 9| size_t errorCode; 1463| | 1464| 9| if (cSrcSize<2) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1464:9): [True: 3, False: 6] ------------------ 1465| | 1466| | /* normal FSEv05 decoding mode */ 1467| 6| errorCode = FSEv05_readNCount (counting, &maxSymbolValue, &tableLog, istart, cSrcSize); 1468| 6| if (FSEv05_isError(errorCode)) return errorCode; ------------------ | Branch (1468:9): [True: 2, False: 4] ------------------ 1469| 4| if (errorCode >= cSrcSize) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1469:9): [True: 0, False: 4] ------------------ 1470| 4| ip += errorCode; 1471| 4| cSrcSize -= errorCode; 1472| | 1473| 4| errorCode = FSEv05_buildDTable (dt, counting, maxSymbolValue, tableLog); 1474| 4| if (FSEv05_isError(errorCode)) return errorCode; ------------------ | Branch (1474:9): [True: 1, False: 3] ------------------ 1475| | 1476| | /* always return, even if it is an error code */ 1477| 3| return FSEv05_decompress_usingDTable (dst, maxDstSize, ip, cSrcSize, dt); 1478| 4|} HUFv05_isError: 1723| 59|unsigned HUFv05_isError(size_t code) { return ERR_isError(code); } HUFv05_readDTableX2: 1818| 12|{ 1819| 12| BYTE huffWeight[HUFv05_MAX_SYMBOL_VALUE + 1]; 1820| 12| U32 rankVal[HUFv05_ABSOLUTEMAX_TABLELOG + 1]; /* large enough for values from 0 to 16 */ 1821| 12| U32 tableLog = 0; 1822| 12| size_t iSize; 1823| 12| U32 nbSymbols = 0; 1824| 12| U32 n; 1825| 12| U32 nextRankStart; 1826| 12| void* const dtPtr = DTable + 1; 1827| 12| HUFv05_DEltX2* const dt = (HUFv05_DEltX2*)dtPtr; 1828| | 1829| 12| HUFv05_STATIC_ASSERT(sizeof(HUFv05_DEltX2) == sizeof(U16)); /* if compilation fails here, assertion is false */ ------------------ | | 1725| 12|#define HUFv05_STATIC_ASSERT(c) { enum { HUFv05_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */ ------------------ 1830| | /* memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */ 1831| | 1832| 12| iSize = HUFv05_readStats(huffWeight, HUFv05_MAX_SYMBOL_VALUE + 1, rankVal, &nbSymbols, &tableLog, src, srcSize); ------------------ | | 1714| 12|#define HUFv05_MAX_SYMBOL_VALUE 255 ------------------ 1833| 12| if (HUFv05_isError(iSize)) return iSize; ------------------ | Branch (1833:9): [True: 9, False: 3] ------------------ 1834| | 1835| | /* check result */ 1836| 3| if (tableLog > DTable[0]) return ERROR(tableLog_tooLarge); /* DTable is too small */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1836:9): [True: 0, False: 3] ------------------ 1837| 3| DTable[0] = (U16)tableLog; /* maybe should separate sizeof allocated DTable, from used size of DTable, in case of re-use */ 1838| | 1839| | /* Prepare ranks */ 1840| 3| nextRankStart = 0; 1841| 18| for (n=1; n<=tableLog; n++) { ------------------ | Branch (1841:15): [True: 15, False: 3] ------------------ 1842| 15| U32 current = nextRankStart; 1843| 15| nextRankStart += (rankVal[n] << (n-1)); 1844| 15| rankVal[n] = current; 1845| 15| } 1846| | 1847| | /* fill DTable */ 1848| 149| for (n=0; n> 1; 1851| 146| U32 i; 1852| 146| HUFv05_DEltX2 D; 1853| 146| D.byte = (BYTE)n; D.nbBits = (BYTE)(tableLog + 1 - w); 1854| 306| for (i = rankVal[w]; i < rankVal[w] + length; i++) ------------------ | Branch (1854:30): [True: 160, False: 146] ------------------ 1855| 160| dt[i] = D; 1856| 146| rankVal[w] += length; 1857| 146| } 1858| | 1859| 3| return iSize; 1860| 3|} HUFv05_decompress1X2_usingDTable: 1908| 1|{ 1909| 1| BYTE* op = (BYTE*)dst; 1910| 1| BYTE* const oend = op + dstSize; 1911| 1| const U32 dtLog = DTable[0]; 1912| 1| const void* dtPtr = DTable; 1913| 1| const HUFv05_DEltX2* const dt = ((const HUFv05_DEltX2*)dtPtr)+1; 1914| 1| BITv05_DStream_t bitD; 1915| | 1916| 1| if (dstSize <= cSrcSize) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1916:9): [True: 0, False: 1] ------------------ 1917| 1| { size_t const errorCode = BITv05_initDStream(&bitD, cSrc, cSrcSize); 1918| 1| if (HUFv05_isError(errorCode)) return errorCode; } ------------------ | Branch (1918:11): [True: 0, False: 1] ------------------ 1919| | 1920| 1| HUFv05_decodeStreamX2(op, &bitD, oend, dt, dtLog); 1921| | 1922| | /* check */ 1923| 1| if (!BITv05_endOfDStream(&bitD)) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1923:9): [True: 1, False: 0] ------------------ 1924| | 1925| 0| return dstSize; 1926| 1|} HUFv05_decompress1X2: 1929| 3|{ 1930| 3| HUFv05_CREATE_STATIC_DTABLEX2(DTable, HUFv05_MAX_TABLELOG); ------------------ | | 1604| 3| unsigned short DTable[HUFv05_DTABLE_SIZE(maxTableLog)] = { maxTableLog } ------------------ 1931| 3| const BYTE* ip = (const BYTE*) cSrc; 1932| 3| size_t errorCode; 1933| | 1934| 3| errorCode = HUFv05_readDTableX2 (DTable, cSrc, cSrcSize); 1935| 3| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (1935:9): [True: 2, False: 1] ------------------ 1936| 1| if (errorCode >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1936:9): [True: 0, False: 1] ------------------ 1937| 1| ip += errorCode; 1938| 1| cSrcSize -= errorCode; 1939| | 1940| 1| return HUFv05_decompress1X2_usingDTable (dst, dstSize, ip, cSrcSize, DTable); 1941| 1|} HUFv05_decompress4X2_usingDTable: 1948| 2|{ 1949| | /* Check */ 1950| 2| if (cSrcSize < 10) return ERROR(corruption_detected); /* strict minimum : jump table + 1 byte per stream */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1950:9): [True: 0, False: 2] ------------------ 1951| 2| { 1952| 2| const BYTE* const istart = (const BYTE*) cSrc; 1953| 2| BYTE* const ostart = (BYTE*) dst; 1954| 2| BYTE* const oend = ostart + dstSize; 1955| 2| const void* const dtPtr = DTable; 1956| 2| const HUFv05_DEltX2* const dt = ((const HUFv05_DEltX2*)dtPtr) +1; 1957| 2| const U32 dtLog = DTable[0]; 1958| 2| size_t errorCode; 1959| | 1960| | /* Init */ 1961| 2| BITv05_DStream_t bitD1; 1962| 2| BITv05_DStream_t bitD2; 1963| 2| BITv05_DStream_t bitD3; 1964| 2| BITv05_DStream_t bitD4; 1965| 2| const size_t length1 = MEM_readLE16(istart); 1966| 2| const size_t length2 = MEM_readLE16(istart+2); 1967| 2| const size_t length3 = MEM_readLE16(istart+4); 1968| 2| size_t length4; 1969| 2| const BYTE* const istart1 = istart + 6; /* jumpTable */ 1970| 2| const BYTE* const istart2 = istart1 + length1; 1971| 2| const BYTE* const istart3 = istart2 + length2; 1972| 2| const BYTE* const istart4 = istart3 + length3; 1973| 2| const size_t segmentSize = (dstSize+3) / 4; 1974| 2| BYTE* const opStart2 = ostart + segmentSize; 1975| 2| BYTE* const opStart3 = opStart2 + segmentSize; 1976| 2| BYTE* const opStart4 = opStart3 + segmentSize; 1977| 2| BYTE* op1 = ostart; 1978| 2| BYTE* op2 = opStart2; 1979| 2| BYTE* op3 = opStart3; 1980| 2| BYTE* op4 = opStart4; 1981| 2| U32 endSignal; 1982| | 1983| 2| length4 = cSrcSize - (length1 + length2 + length3 + 6); 1984| 2| if (length4 > cSrcSize) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1984:13): [True: 2, False: 0] ------------------ 1985| 0| errorCode = BITv05_initDStream(&bitD1, istart1, length1); 1986| 0| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (1986:13): [True: 0, False: 0] ------------------ 1987| 0| errorCode = BITv05_initDStream(&bitD2, istart2, length2); 1988| 0| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (1988:13): [True: 0, False: 0] ------------------ 1989| 0| errorCode = BITv05_initDStream(&bitD3, istart3, length3); 1990| 0| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (1990:13): [True: 0, False: 0] ------------------ 1991| 0| errorCode = BITv05_initDStream(&bitD4, istart4, length4); 1992| 0| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (1992:13): [True: 0, False: 0] ------------------ 1993| | 1994| | /* 16-32 symbols per loop (4-8 symbols per stream) */ 1995| 0| endSignal = BITv05_reloadDStream(&bitD1) | BITv05_reloadDStream(&bitD2) | BITv05_reloadDStream(&bitD3) | BITv05_reloadDStream(&bitD4); 1996| 0| for ( ; (endSignal==BITv05_DStream_unfinished) && (op4<(oend-7)) ; ) { ------------------ | Branch (1996:17): [True: 0, False: 0] | Branch (1996:59): [True: 0, False: 0] ------------------ 1997| 0| HUFv05_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1998| 0| HUFv05_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1999| 0| HUFv05_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2000| 0| HUFv05_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2001| 0| HUFv05_DECODE_SYMBOLX2_1(op1, &bitD1); ------------------ | | 1874| 0| if (MEM_64bits() || (HUFv05_MAX_TABLELOG<=12)) \ | | ------------------ | | | | 1712| 0|#define HUFv05_MAX_TABLELOG 12 /* max configured tableLog (for static allocation); can be modified up to HUFv05_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1874:9): [True: 0, False: 0] | | | Branch (1874:25): [True: 0, Folded] | | ------------------ | | 1875| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2002| 0| HUFv05_DECODE_SYMBOLX2_1(op2, &bitD2); ------------------ | | 1874| 0| if (MEM_64bits() || (HUFv05_MAX_TABLELOG<=12)) \ | | ------------------ | | | | 1712| 0|#define HUFv05_MAX_TABLELOG 12 /* max configured tableLog (for static allocation); can be modified up to HUFv05_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1874:9): [True: 0, False: 0] | | | Branch (1874:25): [True: 0, Folded] | | ------------------ | | 1875| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2003| 0| HUFv05_DECODE_SYMBOLX2_1(op3, &bitD3); ------------------ | | 1874| 0| if (MEM_64bits() || (HUFv05_MAX_TABLELOG<=12)) \ | | ------------------ | | | | 1712| 0|#define HUFv05_MAX_TABLELOG 12 /* max configured tableLog (for static allocation); can be modified up to HUFv05_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1874:9): [True: 0, False: 0] | | | Branch (1874:25): [True: 0, Folded] | | ------------------ | | 1875| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2004| 0| HUFv05_DECODE_SYMBOLX2_1(op4, &bitD4); ------------------ | | 1874| 0| if (MEM_64bits() || (HUFv05_MAX_TABLELOG<=12)) \ | | ------------------ | | | | 1712| 0|#define HUFv05_MAX_TABLELOG 12 /* max configured tableLog (for static allocation); can be modified up to HUFv05_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1874:9): [True: 0, False: 0] | | | Branch (1874:25): [True: 0, Folded] | | ------------------ | | 1875| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2005| 0| HUFv05_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2006| 0| HUFv05_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2007| 0| HUFv05_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2008| 0| HUFv05_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1878| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 0, False: 0] | | ------------------ | | 1879| 0| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 2009| 0| HUFv05_DECODE_SYMBOLX2_0(op1, &bitD1); ------------------ | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 2010| 0| HUFv05_DECODE_SYMBOLX2_0(op2, &bitD2); ------------------ | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 2011| 0| HUFv05_DECODE_SYMBOLX2_0(op3, &bitD3); ------------------ | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 2012| 0| HUFv05_DECODE_SYMBOLX2_0(op4, &bitD4); ------------------ | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 2013| 0| endSignal = BITv05_reloadDStream(&bitD1) | BITv05_reloadDStream(&bitD2) | BITv05_reloadDStream(&bitD3) | BITv05_reloadDStream(&bitD4); 2014| 0| } 2015| | 2016| | /* check corruption */ 2017| 0| if (op1 > opStart2) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2017:13): [True: 0, False: 0] ------------------ 2018| 0| if (op2 > opStart3) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2018:13): [True: 0, False: 0] ------------------ 2019| 0| if (op3 > opStart4) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2019:13): [True: 0, False: 0] ------------------ 2020| | /* note : op4 supposed already verified within main loop */ 2021| | 2022| | /* finish bitStreams one by one */ 2023| 0| HUFv05_decodeStreamX2(op1, &bitD1, opStart2, dt, dtLog); 2024| 0| HUFv05_decodeStreamX2(op2, &bitD2, opStart3, dt, dtLog); 2025| 0| HUFv05_decodeStreamX2(op3, &bitD3, opStart4, dt, dtLog); 2026| 0| HUFv05_decodeStreamX2(op4, &bitD4, oend, dt, dtLog); 2027| | 2028| | /* check */ 2029| 0| endSignal = BITv05_endOfDStream(&bitD1) & BITv05_endOfDStream(&bitD2) & BITv05_endOfDStream(&bitD3) & BITv05_endOfDStream(&bitD4); 2030| 0| if (!endSignal) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2030:13): [True: 0, False: 0] ------------------ 2031| | 2032| | /* decoded size */ 2033| 0| return dstSize; 2034| 0| } 2035| 0|} HUFv05_decompress4X2: 2039| 9|{ 2040| 9| HUFv05_CREATE_STATIC_DTABLEX2(DTable, HUFv05_MAX_TABLELOG); ------------------ | | 1604| 9| unsigned short DTable[HUFv05_DTABLE_SIZE(maxTableLog)] = { maxTableLog } ------------------ 2041| 9| const BYTE* ip = (const BYTE*) cSrc; 2042| 9| size_t errorCode; 2043| | 2044| 9| errorCode = HUFv05_readDTableX2 (DTable, cSrc, cSrcSize); 2045| 9| if (HUFv05_isError(errorCode)) return errorCode; ------------------ | Branch (2045:9): [True: 7, False: 2] ------------------ 2046| 2| if (errorCode >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2046:9): [True: 0, False: 2] ------------------ 2047| 2| ip += errorCode; 2048| 2| cSrcSize -= errorCode; 2049| | 2050| 2| return HUFv05_decompress4X2_usingDTable (dst, dstSize, ip, cSrcSize, DTable); 2051| 2|} HUFv05_readDTableX4: 2146| 2|{ 2147| 2| BYTE weightList[HUFv05_MAX_SYMBOL_VALUE + 1]; 2148| 2| sortedSymbol_t sortedSymbol[HUFv05_MAX_SYMBOL_VALUE + 1]; 2149| 2| U32 rankStats[HUFv05_ABSOLUTEMAX_TABLELOG + 1] = { 0 }; 2150| 2| U32 rankStart0[HUFv05_ABSOLUTEMAX_TABLELOG + 2] = { 0 }; 2151| 2| U32* const rankStart = rankStart0+1; 2152| 2| rankVal_t rankVal; 2153| 2| U32 tableLog, maxW, sizeOfSort, nbSymbols; 2154| 2| const U32 memLog = DTable[0]; 2155| 2| size_t iSize; 2156| 2| void* dtPtr = DTable; 2157| 2| HUFv05_DEltX4* const dt = ((HUFv05_DEltX4*)dtPtr) + 1; 2158| | 2159| 2| HUFv05_STATIC_ASSERT(sizeof(HUFv05_DEltX4) == sizeof(unsigned)); /* if compilation fails here, assertion is false */ ------------------ | | 1725| 2|#define HUFv05_STATIC_ASSERT(c) { enum { HUFv05_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */ ------------------ 2160| 2| if (memLog > HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 1711| 2|#define HUFv05_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv05_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (memLog > HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2160:9): [True: 0, False: 2] ------------------ 2161| | /* memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */ 2162| | 2163| 2| iSize = HUFv05_readStats(weightList, HUFv05_MAX_SYMBOL_VALUE + 1, rankStats, &nbSymbols, &tableLog, src, srcSize); ------------------ | | 1714| 2|#define HUFv05_MAX_SYMBOL_VALUE 255 ------------------ 2164| 2| if (HUFv05_isError(iSize)) return iSize; ------------------ | Branch (2164:9): [True: 2, False: 0] ------------------ 2165| | 2166| | /* check result */ 2167| 0| if (tableLog > memLog) return ERROR(tableLog_tooLarge); /* DTable can't fit code depth */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2167:9): [True: 0, False: 0] ------------------ 2168| | 2169| | /* find maxWeight */ 2170| 0| for (maxW = tableLog; rankStats[maxW]==0; maxW--) {} /* necessarily finds a solution before 0 */ ------------------ | Branch (2170:27): [True: 0, False: 0] ------------------ 2171| | 2172| | /* Get start index of each weight */ 2173| 0| { 2174| 0| U32 w, nextRankStart = 0; 2175| 0| for (w=1; w<=maxW; w++) { ------------------ | Branch (2175:19): [True: 0, False: 0] ------------------ 2176| 0| U32 current = nextRankStart; 2177| 0| nextRankStart += rankStats[w]; 2178| 0| rankStart[w] = current; 2179| 0| } 2180| 0| rankStart[0] = nextRankStart; /* put all 0w symbols at the end of sorted list*/ 2181| 0| sizeOfSort = nextRankStart; 2182| 0| } 2183| | 2184| | /* sort symbols by weight */ 2185| 0| { 2186| 0| U32 s; 2187| 0| for (s=0; s> consumed; 2212| 0| } } } 2213| | 2214| 0| HUFv05_fillDTableX4(dt, memLog, 2215| 0| sortedSymbol, sizeOfSort, 2216| 0| rankStart0, rankVal, maxW, 2217| 0| tableLog+1); 2218| | 2219| 0| return iSize; 2220| 0|} HUFv05_decompress4X4: 2422| 2|{ 2423| 2| HUFv05_CREATE_STATIC_DTABLEX4(DTable, HUFv05_MAX_TABLELOG); ------------------ | | 1606| 2| unsigned int DTable[HUFv05_DTABLE_SIZE(maxTableLog)] = { maxTableLog } ------------------ 2424| 2| const BYTE* ip = (const BYTE*) cSrc; 2425| | 2426| 2| size_t hSize = HUFv05_readDTableX4 (DTable, cSrc, cSrcSize); 2427| 2| if (HUFv05_isError(hSize)) return hSize; ------------------ | Branch (2427:9): [True: 2, False: 0] ------------------ 2428| 0| if (hSize >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2428:9): [True: 0, False: 0] ------------------ 2429| 0| ip += hSize; 2430| 0| cSrcSize -= hSize; 2431| | 2432| 0| return HUFv05_decompress4X4_usingDTable (dst, dstSize, ip, cSrcSize, DTable); 2433| 0|} HUFv05_decompress: 2465| 27|{ 2466| 27| static const decompressionAlgo decompress[3] = { HUFv05_decompress4X2, HUFv05_decompress4X4, NULL }; 2467| | /* estimate decompression time */ 2468| 27| U32 Q; 2469| 27| const U32 D256 = (U32)(dstSize >> 8); 2470| 27| U32 Dtime[3]; 2471| 27| U32 algoNb = 0; 2472| 27| int n; 2473| | 2474| | /* validation checks */ 2475| 27| if (dstSize == 0) return ERROR(dstSize_tooSmall); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2475:9): [True: 5, False: 22] ------------------ 2476| 22| if (cSrcSize >= dstSize) return ERROR(corruption_detected); /* invalid, or not compressed, but not compressed already dealt with */ ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2476:9): [True: 7, False: 15] ------------------ 2477| 15| if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */ ------------------ | Branch (2477:9): [True: 4, False: 11] ------------------ 2478| | 2479| | /* decoder timing evaluation */ 2480| 11| Q = (U32)(cSrcSize * 16 / dstSize); /* Q < 16 since dstSize > cSrcSize */ 2481| 44| for (n=0; n<3; n++) ------------------ | Branch (2481:15): [True: 33, False: 11] ------------------ 2482| 33| Dtime[n] = algoTime[Q][n].tableTime + (algoTime[Q][n].decode256Time * D256); 2483| | 2484| 11| Dtime[1] += Dtime[1] >> 4; Dtime[2] += Dtime[2] >> 3; /* advantage to algorithms using less memory, for cache eviction */ 2485| | 2486| 11| if (Dtime[1] < Dtime[0]) algoNb = 1; ------------------ | Branch (2486:9): [True: 2, False: 9] ------------------ 2487| | 2488| 11| return decompress[algoNb](dst, dstSize, cSrc, cSrcSize); 2489| | 2490| | /* return HUFv05_decompress4X2(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams single-symbol decoding */ 2491| | /* return HUFv05_decompress4X4(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams double-symbols decoding */ 2492| | /* return HUFv05_decompress4X6(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams quad-symbols decoding */ 2493| 15|} ZSTDv05_isError: 2577| 2.75k|unsigned ZSTDv05_isError(size_t code) { return ERR_isError(code); } ZSTDv05_decompressBegin: 2617| 244|{ 2618| 244| dctx->expected = ZSTDv05_frameHeaderSize_min; 2619| 244| dctx->stage = ZSTDv05ds_getFrameHeaderSize; 2620| 244| dctx->previousDstEnd = NULL; 2621| 244| dctx->base = NULL; 2622| 244| dctx->vBase = NULL; 2623| 244| dctx->dictEnd = NULL; 2624| 244| dctx->hufTableX4[0] = ZSTD_HUFFDTABLE_CAPACITY_LOG; ------------------ | | 436| 244|#define ZSTD_HUFFDTABLE_CAPACITY_LOG 12 ------------------ 2625| 244| dctx->flagStaticTables = 0; 2626| 244| return 0; 2627| 244|} ZSTDv05_createDCtx: 2630| 122|{ 2631| 122| ZSTDv05_DCtx* dctx = (ZSTDv05_DCtx*)malloc(sizeof(ZSTDv05_DCtx)); 2632| 122| if (dctx==NULL) return NULL; ------------------ | Branch (2632:9): [True: 0, False: 122] ------------------ 2633| 122| ZSTDv05_decompressBegin(dctx); 2634| 122| return dctx; 2635| 122|} ZSTDv05_freeDCtx: 2638| 122|{ 2639| 122| free(dctx); 2640| 122| return 0; /* reserved as a potential error code in the future */ 2641| 122|} ZSTDv05_getFrameParams: 2752| 142|{ 2753| 142| U32 magicNumber; 2754| 142| if (srcSize < ZSTDv05_frameHeaderSize_min) return ZSTDv05_frameHeaderSize_max; ------------------ | | 400| 0|#define ZSTDv05_frameHeaderSize_max 5 /* define, for static allocation */ ------------------ | Branch (2754:9): [True: 0, False: 142] ------------------ 2755| 142| magicNumber = MEM_readLE32(src); 2756| 142| if (magicNumber != ZSTDv05_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 153| 142|#define ZSTDv05_MAGICNUMBER 0xFD2FB525 /* v0.5 */ ------------------ if (magicNumber != ZSTDv05_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2756:9): [True: 0, False: 142] ------------------ 2757| 142| memset(params, 0, sizeof(*params)); 2758| 142| params->windowLog = (((const BYTE*)src)[4] & 15) + ZSTDv05_WINDOWLOG_ABSOLUTEMIN; ------------------ | | 256| 142|#define ZSTDv05_WINDOWLOG_ABSOLUTEMIN 11 ------------------ 2759| 142| if ((((const BYTE*)src)[4] >> 4) != 0) return ERROR(frameParameter_unsupported); /* reserved bits */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2759:9): [True: 2, False: 140] ------------------ 2760| 140| return 0; 2761| 142|} ZSTDv05_decompress_usingDict: 3449| 122|{ 3450| 122| ZSTDv05_decompressBegin_usingDict(dctx, dict, dictSize); 3451| 122| ZSTDv05_checkContinuity(dctx, dst); 3452| 122| return ZSTDv05_decompress_continueDCtx(dctx, dst, maxDstSize, src, srcSize); 3453| 122|} ZSTDv05_findFrameSizeInfoLegacy: 3485| 127|{ 3486| 127| const BYTE* ip = (const BYTE*)src; 3487| 127| size_t remainingSize = srcSize; 3488| 127| size_t nbBlocks = 0; 3489| 127| blockProperties_t blockProperties; 3490| | 3491| | /* Frame Header */ 3492| 127| if (srcSize < ZSTDv05_frameHeaderSize_min) { ------------------ | Branch (3492:9): [True: 0, False: 127] ------------------ 3493| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3494| 0| return; 3495| 0| } 3496| 127| if (MEM_readLE32(src) != ZSTDv05_MAGICNUMBER) { ------------------ | | 153| 127|#define ZSTDv05_MAGICNUMBER 0xFD2FB525 /* v0.5 */ ------------------ | Branch (3496:9): [True: 0, False: 127] ------------------ 3497| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(prefix_unknown)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3498| 0| return; 3499| 0| } 3500| 127| ip += ZSTDv05_frameHeaderSize_min; remainingSize -= ZSTDv05_frameHeaderSize_min; 3501| | 3502| | /* Loop on each block */ 3503| 525| while (1) ------------------ | Branch (3503:12): [True: 525, Folded] ------------------ 3504| 525| { 3505| 525| size_t cBlockSize = ZSTDv05_getcBlockSize(ip, remainingSize, &blockProperties); 3506| 525| if (ZSTDv05_isError(cBlockSize)) { ------------------ | Branch (3506:13): [True: 0, False: 525] ------------------ 3507| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, cBlockSize); 3508| 0| return; 3509| 0| } 3510| | 3511| 525| ip += ZSTDv05_blockHeaderSize; 3512| 525| remainingSize -= ZSTDv05_blockHeaderSize; 3513| 525| if (cBlockSize > remainingSize) { ------------------ | Branch (3513:13): [True: 5, False: 520] ------------------ 3514| 5| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3515| 5| return; 3516| 5| } 3517| | 3518| 520| if (cBlockSize == 0) break; /* bt_end */ ------------------ | Branch (3518:13): [True: 122, False: 398] ------------------ 3519| | 3520| 398| ip += cBlockSize; 3521| 398| remainingSize -= cBlockSize; 3522| 398| nbBlocks++; 3523| 398| } 3524| | 3525| 122| *cSize = ip - (const BYTE*)src; 3526| 122| *dBound = nbBlocks * BLOCKSIZE; ------------------ | | 396| 122|#define BLOCKSIZE (128 KB) /* define, for static allocation */ | | ------------------ | | | | 392| 122|#define KB *(1 <<10) | | ------------------ ------------------ 3527| 122|} ZSTDv05_decompressBegin_usingDict: 3687| 122|{ 3688| 122| size_t errorCode; 3689| 122| errorCode = ZSTDv05_decompressBegin(dctx); 3690| 122| if (ZSTDv05_isError(errorCode)) return errorCode; ------------------ | Branch (3690:9): [True: 0, False: 122] ------------------ 3691| | 3692| 122| if (dict && dictSize) { ------------------ | Branch (3692:9): [True: 122, False: 0] | Branch (3692:17): [True: 30, False: 92] ------------------ 3693| 30| errorCode = ZSTDv05_decompress_insertDictionary(dctx, dict, dictSize); 3694| 30| if (ZSTDv05_isError(errorCode)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3694:13): [True: 0, False: 30] ------------------ 3695| 30| } 3696| | 3697| 122| return 0; 3698| 122|} zstd_v05.c:FSEv05_tableStep: 1142| 71|static U32 FSEv05_tableStep(U32 tableSize) { return (tableSize>>1) + (tableSize>>3) + 3; } zstd_v05.c:BITv05_highbit32: 702| 4.36k|{ 703| |# if defined(_MSC_VER) /* Visual */ 704| | unsigned long r; 705| | return _BitScanReverse(&r, val) ? (unsigned)r : 0; 706| |# elif defined(__GNUC__) && (__GNUC__ >= 3) /* Use GCC Intrinsic */ 707| | return __builtin_clz (val) ^ 31; 708| |# else /* Software version */ 709| | static const unsigned DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31 }; 710| | U32 v = val; 711| | unsigned r; 712| | v |= v >> 1; 713| | v |= v >> 2; 714| | v |= v >> 4; 715| | v |= v >> 8; 716| | v |= v >> 16; 717| | r = DeBruijnClz[ (U32) (v * 0x07C4ACDDU) >> 27]; 718| | return r; 719| |# endif 720| 4.36k|} zstd_v05.c:FSEv05_abs: 1227| 992|static short FSEv05_abs(short a) { return a<0 ? -a : a; } ------------------ | Branch (1227:43): [True: 714, False: 278] ------------------ zstd_v05.c:FSEv05_decompress_usingDTable_generic: 1376| 3|{ 1377| 3| BYTE* const ostart = (BYTE*) dst; 1378| 3| BYTE* op = ostart; 1379| 3| BYTE* const omax = op + maxDstSize; 1380| 3| BYTE* const olimit = omax-3; 1381| | 1382| 3| BITv05_DStream_t bitD; 1383| 3| FSEv05_DState_t state1; 1384| 3| FSEv05_DState_t state2; 1385| 3| size_t errorCode; 1386| | 1387| | /* Init */ 1388| 3| errorCode = BITv05_initDStream(&bitD, cSrc, cSrcSize); /* replaced last arg by maxCompressed Size */ 1389| 3| if (FSEv05_isError(errorCode)) return errorCode; ------------------ | Branch (1389:9): [True: 0, False: 3] ------------------ 1390| | 1391| 3| FSEv05_initDState(&state1, &bitD, dt); 1392| 3| FSEv05_initDState(&state2, &bitD, dt); 1393| | 1394| 3|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) 1395| | 1396| | /* 4 symbols per loop */ 1397| 129| for ( ; (BITv05_reloadDStream(&bitD)==BITv05_DStream_unfinished) && (op sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 1094| 126|#define FSEv05_MAX_TABLELOG (FSEv05_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 1042| 126|#define FSEv05_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1400:13): [Folded, False: 126] ------------------ 1401| 0| BITv05_reloadDStream(&bitD); 1402| | 1403| 126| op[1] = FSEv05_GETSYMBOL(&state2); ------------------ | | 1394| 126|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1394:36): [True: 63, False: 63] | | ------------------ ------------------ 1404| | 1405| 126| if (FSEv05_MAX_TABLELOG*4+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 1094| 126|#define FSEv05_MAX_TABLELOG (FSEv05_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 1042| 126|#define FSEv05_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1405:13): [Folded, False: 126] ------------------ 1406| 0| { if (BITv05_reloadDStream(&bitD) > BITv05_DStream_unfinished) { op+=2; break; } } ------------------ | Branch (1406:19): [True: 0, False: 0] ------------------ 1407| | 1408| 126| op[2] = FSEv05_GETSYMBOL(&state1); ------------------ | | 1394| 126|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1394:36): [True: 63, False: 63] | | ------------------ ------------------ 1409| | 1410| 126| if (FSEv05_MAX_TABLELOG*2+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 1094| 126|#define FSEv05_MAX_TABLELOG (FSEv05_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 1042| 126|#define FSEv05_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1410:13): [Folded, False: 126] ------------------ 1411| 0| BITv05_reloadDStream(&bitD); 1412| | 1413| 126| op[3] = FSEv05_GETSYMBOL(&state2); ------------------ | | 1394| 126|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1394:36): [True: 63, False: 63] | | ------------------ ------------------ 1414| 126| } 1415| | 1416| | /* tail */ 1417| | /* note : BITv05_reloadDStream(&bitD) >= FSEv05_DStream_partiallyFilled; Ends at exactly BITv05_DStream_completed */ 1418| 17| while (1) { ------------------ | Branch (1418:12): [True: 17, Folded] ------------------ 1419| 17| if ( (BITv05_reloadDStream(&bitD)>BITv05_DStream_completed) || (op==omax) || (BITv05_endOfDStream(&bitD) && (fast || FSEv05_endOfDState(&state1))) ) ------------------ | Branch (1419:14): [True: 0, False: 17] | Branch (1419:72): [True: 0, False: 17] | Branch (1419:87): [True: 1, False: 16] | Branch (1419:118): [True: 0, False: 1] | Branch (1419:126): [True: 0, False: 1] ------------------ 1420| 0| break; 1421| | 1422| 17| *op++ = FSEv05_GETSYMBOL(&state1); ------------------ | | 1394| 17|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1394:36): [True: 2, False: 15] | | ------------------ ------------------ 1423| | 1424| 17| if ( (BITv05_reloadDStream(&bitD)>BITv05_DStream_completed) || (op==omax) || (BITv05_endOfDStream(&bitD) && (fast || FSEv05_endOfDState(&state2))) ) ------------------ | Branch (1424:14): [True: 1, False: 16] | Branch (1424:72): [True: 2, False: 14] | Branch (1424:87): [True: 0, False: 14] | Branch (1424:118): [True: 0, False: 0] | Branch (1424:126): [True: 0, False: 0] ------------------ 1425| 3| break; 1426| | 1427| 14| *op++ = FSEv05_GETSYMBOL(&state2); ------------------ | | 1394| 14|#define FSEv05_GETSYMBOL(statePtr) fast ? FSEv05_decodeSymbolFast(statePtr, &bitD) : FSEv05_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1394:36): [True: 1, False: 13] | | ------------------ ------------------ 1428| 14| } 1429| | 1430| | /* end ? */ 1431| 3| if (BITv05_endOfDStream(&bitD) && FSEv05_endOfDState(&state1) && FSEv05_endOfDState(&state2)) ------------------ | Branch (1431:9): [True: 0, False: 3] | Branch (1431:39): [True: 0, False: 0] | Branch (1431:70): [True: 0, False: 0] ------------------ 1432| 0| return op-ostart; 1433| | 1434| 3| if (op==omax) return ERROR(dstSize_tooSmall); /* dst buffer is full, but cSrc unfinished */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1434:9): [True: 2, False: 1] ------------------ 1435| | 1436| 1| return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 1437| 3|} zstd_v05.c:FSEv05_initDState: 951| 204|{ 952| 204| const void* ptr = dt; 953| 204| const FSEv05_DTableHeader* const DTableH = (const FSEv05_DTableHeader*)ptr; 954| 204| DStatePtr->state = BITv05_readBits(bitD, DTableH->tableLog); 955| 204| BITv05_reloadDStream(bitD); 956| 204| DStatePtr->table = dt + 1; 957| 204|} zstd_v05.c:BITv05_readBits: 790| 4.93k|{ 791| 4.93k| size_t value = BITv05_lookBits(bitD, nbBits); 792| 4.93k| BITv05_skipBits(bitD, nbBits); 793| 4.93k| return value; 794| 4.93k|} zstd_v05.c:BITv05_lookBits: 771| 4.93k|{ 772| 4.93k| const U32 bitMask = sizeof(bitD->bitContainer)*8 - 1; 773| 4.93k| return ((bitD->bitContainer << (bitD->bitsConsumed & bitMask)) >> 1) >> ((bitMask-nbBits) & bitMask); 774| 4.93k|} zstd_v05.c:BITv05_skipBits: 785| 6.21k|{ 786| 6.21k| bitD->bitsConsumed += nbBits; 787| 6.21k|} zstd_v05.c:FSEv05_decodeSymbolFast: 977| 255|{ 978| 255| const FSEv05_decode_t DInfo = ((const FSEv05_decode_t*)(DStatePtr->table))[DStatePtr->state]; 979| 255| const U32 nbBits = DInfo.nbBits; 980| 255| BYTE symbol = DInfo.symbol; 981| 255| size_t lowBits = BITv05_readBitsFast(bitD, nbBits); 982| | 983| 255| DStatePtr->state = DInfo.newState + lowBits; 984| 255| return symbol; 985| 255|} zstd_v05.c:BITv05_readBitsFast: 799| 255|{ 800| 255| size_t value = BITv05_lookBitsFast(bitD, nbBits); 801| 255| BITv05_skipBits(bitD, nbBits); 802| 255| return value; 803| 255|} zstd_v05.c:BITv05_lookBitsFast: 779| 1.27k|{ 780| 1.27k| const U32 bitMask = sizeof(bitD->bitContainer)*8 - 1; 781| 1.27k| return (bitD->bitContainer << (bitD->bitsConsumed & bitMask)) >> (((bitMask+1)-nbBits) & bitMask); 782| 1.27k|} zstd_v05.c:FSEv05_decodeSymbol: 966| 3.61k|{ 967| 3.61k| const FSEv05_decode_t DInfo = ((const FSEv05_decode_t*)(DStatePtr->table))[DStatePtr->state]; 968| 3.61k| const U32 nbBits = DInfo.nbBits; 969| 3.61k| BYTE symbol = DInfo.symbol; 970| 3.61k| size_t lowBits = BITv05_readBits(bitD, nbBits); 971| | 972| 3.61k| DStatePtr->state = DInfo.newState + lowBits; 973| 3.61k| return symbol; 974| 3.61k|} zstd_v05.c:FSEv05_endOfDState: 988| 1|{ 989| 1| return DStatePtr->state == 0; 990| 1|} zstd_v05.c:HUFv05_readStats: 1745| 14|{ 1746| 14| U32 weightTotal; 1747| 14| U32 tableLog; 1748| 14| const BYTE* ip = (const BYTE*) src; 1749| 14| size_t iSize; 1750| 14| size_t oSize; 1751| 14| U32 n; 1752| | 1753| 14| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1753:9): [True: 1, False: 13] ------------------ 1754| 13| iSize = ip[0]; 1755| | /* memset(huffWeight, 0, hwSize); */ /* is not necessary, even though some analyzer complain ... */ 1756| | 1757| 13| if (iSize >= 128) { /* special header */ ------------------ | Branch (1757:9): [True: 3, False: 10] ------------------ 1758| 3| if (iSize >= (242)) { /* RLE */ ------------------ | Branch (1758:13): [True: 3, False: 0] ------------------ 1759| 3| static int l[14] = { 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 127, 128 }; 1760| 3| oSize = l[iSize-242]; 1761| 3| memset(huffWeight, 1, hwSize); 1762| 3| iSize = 0; 1763| 3| } 1764| 0| else { /* Incompressible */ 1765| 0| oSize = iSize - 127; 1766| 0| iSize = ((oSize+1)/2); 1767| 0| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1767:17): [True: 0, False: 0] ------------------ 1768| 0| if (oSize >= hwSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1768:17): [True: 0, False: 0] ------------------ 1769| 0| ip += 1; 1770| 0| for (n=0; n> 4; 1772| 0| huffWeight[n+1] = ip[n/2] & 15; 1773| 0| } } } 1774| 10| else { /* header compressed with FSEv05 (normal case) */ 1775| 10| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1775:13): [True: 1, False: 9] ------------------ 1776| 9| oSize = FSEv05_decompress(huffWeight, hwSize-1, ip+1, iSize); /* max (hwSize-1) values decoded, as last one is implied */ 1777| 9| if (FSEv05_isError(oSize)) return oSize; ------------------ | Branch (1777:13): [True: 9, False: 0] ------------------ 1778| 9| } 1779| | 1780| | /* collect weight stats */ 1781| 3| memset(rankStats, 0, (HUFv05_ABSOLUTEMAX_TABLELOG + 1) * sizeof(U32)); ------------------ | | 1711| 3|#define HUFv05_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv05_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ 1782| 3| weightTotal = 0; 1783| 146| for (n=0; n= HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 1711| 143|#define HUFv05_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv05_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (huffWeight[n] >= HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1784:13): [True: 0, False: 143] ------------------ 1785| 143| rankStats[huffWeight[n]]++; 1786| 143| weightTotal += (1 << huffWeight[n]) >> 1; 1787| 143| } 1788| 3| if (weightTotal == 0) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1788:9): [True: 0, False: 3] ------------------ 1789| | 1790| | /* get last non-null symbol weight (implied, total must be 2^n) */ 1791| 3| tableLog = BITv05_highbit32(weightTotal) + 1; 1792| 3| if (tableLog > HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 1711| 3|#define HUFv05_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv05_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (tableLog > HUFv05_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1792:9): [True: 0, False: 3] ------------------ 1793| 3| { /* determine last weight */ 1794| 3| U32 total = 1 << tableLog; 1795| 3| U32 rest = total - weightTotal; 1796| 3| U32 verif = 1 << BITv05_highbit32(rest); 1797| 3| U32 lastWeight = BITv05_highbit32(rest) + 1; 1798| 3| if (verif != rest) return ERROR(corruption_detected); /* last value must be a clean power of 2 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1798:13): [True: 0, False: 3] ------------------ 1799| 3| huffWeight[oSize] = (BYTE)lastWeight; 1800| 3| rankStats[lastWeight]++; 1801| 3| } 1802| | 1803| | /* check tree construction validity */ 1804| 3| if ((rankStats[1] < 2) || (rankStats[1] & 1)) return ERROR(corruption_detected); /* by construction : at least 2 elts of rank 1, must be even */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1804:9): [True: 0, False: 3] | Branch (1804:31): [True: 0, False: 3] ------------------ 1805| | 1806| | /* results */ 1807| 3| *nbSymbolsPtr = (U32)(oSize+1); 1808| 3| *tableLogPtr = tableLog; 1809| 3| return iSize+1; 1810| 3|} zstd_v05.c:BITv05_initDStream: 735| 72|{ 736| 72| if (srcSize < 1) { memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (736:9): [True: 0, False: 72] ------------------ 737| | 738| 72| if (srcSize >= sizeof(size_t)) { /* normal case */ ------------------ | Branch (738:9): [True: 62, False: 10] ------------------ 739| 62| U32 contain32; 740| 62| bitD->start = (const char*)srcBuffer; 741| 62| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(size_t); 742| 62| bitD->bitContainer = MEM_readLEST(bitD->ptr); 743| 62| contain32 = ((const BYTE*)srcBuffer)[srcSize-1]; 744| 62| if (contain32 == 0) return ERROR(GENERIC); /* endMark not present */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (744:13): [True: 2, False: 60] ------------------ 745| 60| bitD->bitsConsumed = 8 - BITv05_highbit32(contain32); 746| 60| } else { 747| 10| U32 contain32; 748| 10| bitD->start = (const char*)srcBuffer; 749| 10| bitD->ptr = bitD->start; 750| 10| bitD->bitContainer = *(const BYTE*)(bitD->start); 751| 10| switch(srcSize) 752| 10| { 753| 5| case 7: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[6]) << (sizeof(size_t)*8 - 16);/* fall-through */ ------------------ | Branch (753:13): [True: 5, False: 5] ------------------ 754| 5| case 6: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[5]) << (sizeof(size_t)*8 - 24);/* fall-through */ ------------------ | Branch (754:13): [True: 0, False: 10] ------------------ 755| 5| case 5: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[4]) << (sizeof(size_t)*8 - 32);/* fall-through */ ------------------ | Branch (755:13): [True: 0, False: 10] ------------------ 756| 8| case 4: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[3]) << 24; /* fall-through */ ------------------ | Branch (756:13): [True: 3, False: 7] ------------------ 757| 9| case 3: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[2]) << 16; /* fall-through */ ------------------ | Branch (757:13): [True: 1, False: 9] ------------------ 758| 9| case 2: bitD->bitContainer += (size_t)(((const BYTE*)(bitD->start))[1]) << 8; /* fall-through */ ------------------ | Branch (758:13): [True: 0, False: 10] ------------------ 759| 10| default: break; ------------------ | Branch (759:13): [True: 1, False: 9] ------------------ 760| 10| } 761| 10| contain32 = ((const BYTE*)srcBuffer)[srcSize-1]; 762| 10| if (contain32 == 0) return ERROR(GENERIC); /* endMark not present */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (762:13): [True: 0, False: 10] ------------------ 763| 10| bitD->bitsConsumed = 8 - BITv05_highbit32(contain32); 764| 10| bitD->bitsConsumed += (U32)(sizeof(size_t) - srcSize)*8; 765| 10| } 766| | 767| 70| return srcSize; 768| 72|} zstd_v05.c:HUFv05_decodeStreamX2: 1882| 1|{ 1883| 1| BYTE* const pStart = p; 1884| | 1885| | /* up to 4 symbols at a time */ 1886| 256| while ((BITv05_reloadDStream(bitDPtr) == BITv05_DStream_unfinished) && (p <= pEnd-4)) { ------------------ | Branch (1886:12): [True: 256, False: 0] | Branch (1886:76): [True: 255, False: 1] ------------------ 1887| 255| HUFv05_DECODE_SYMBOLX2_2(p, bitDPtr); ------------------ | | 1878| 255| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 255, False: 0] | | ------------------ | | 1879| 255| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 255| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1888| 255| HUFv05_DECODE_SYMBOLX2_1(p, bitDPtr); ------------------ | | 1874| 255| if (MEM_64bits() || (HUFv05_MAX_TABLELOG<=12)) \ | | ------------------ | | | | 1712| 0|#define HUFv05_MAX_TABLELOG 12 /* max configured tableLog (for static allocation); can be modified up to HUFv05_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1874:9): [True: 255, False: 0] | | | Branch (1874:25): [True: 0, Folded] | | ------------------ | | 1875| 255| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 255| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1889| 255| HUFv05_DECODE_SYMBOLX2_2(p, bitDPtr); ------------------ | | 1878| 255| if (MEM_64bits()) \ | | ------------------ | | | Branch (1878:9): [True: 255, False: 0] | | ------------------ | | 1879| 255| HUFv05_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1871| 255| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1890| 255| HUFv05_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1871| 255| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1891| 255| } 1892| | 1893| | /* closer to the end */ 1894| 4| while ((BITv05_reloadDStream(bitDPtr) == BITv05_DStream_unfinished) && (p < pEnd)) ------------------ | Branch (1894:12): [True: 4, False: 0] | Branch (1894:76): [True: 3, False: 1] ------------------ 1895| 3| HUFv05_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1871| 3| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1896| | 1897| | /* no more data to retrieve from bitstream, hence no need to reload */ 1898| 1| while (p < pEnd) ------------------ | Branch (1898:12): [True: 0, False: 1] ------------------ 1899| 0| HUFv05_DECODE_SYMBOLX2_0(p, bitDPtr); ------------------ | | 1871| 0| *ptr++ = HUFv05_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1900| | 1901| 1| return pEnd-pStart; 1902| 1|} zstd_v05.c:BITv05_endOfDStream: 838| 35|{ 839| 35| return ((DStream->ptr == DStream->start) && (DStream->bitsConsumed == sizeof(DStream->bitContainer)*8)); ------------------ | Branch (839:13): [True: 26, False: 9] | Branch (839:49): [True: 1, False: 25] ------------------ 840| 35|} zstd_v05.c:BITv05_reloadDStream: 806| 1.76k|{ 807| 1.76k| if (bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8)) /* should never happen */ ------------------ | Branch (807:9): [True: 9, False: 1.75k] ------------------ 808| 9| return BITv05_DStream_overflow; 809| | 810| 1.75k| if (bitD->ptr >= bitD->start + sizeof(bitD->bitContainer)) { ------------------ | Branch (810:9): [True: 1.18k, False: 567] ------------------ 811| 1.18k| bitD->ptr -= bitD->bitsConsumed >> 3; 812| 1.18k| bitD->bitsConsumed &= 7; 813| 1.18k| bitD->bitContainer = MEM_readLEST(bitD->ptr); 814| 1.18k| return BITv05_DStream_unfinished; 815| 1.18k| } 816| 567| if (bitD->ptr == bitD->start) { ------------------ | Branch (816:9): [True: 382, False: 185] ------------------ 817| 382| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BITv05_DStream_endOfBuffer; ------------------ | Branch (817:13): [True: 369, False: 13] ------------------ 818| 13| return BITv05_DStream_completed; 819| 382| } 820| 185| { 821| 185| U32 nbBytes = bitD->bitsConsumed >> 3; 822| 185| BITv05_DStream_status result = BITv05_DStream_unfinished; 823| 185| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (823:13): [True: 3, False: 182] ------------------ 824| 3| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 825| 3| result = BITv05_DStream_endOfBuffer; 826| 3| } 827| 185| bitD->ptr -= nbBytes; 828| 185| bitD->bitsConsumed -= nbBytes*8; 829| 185| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD) */ 830| 185| return result; 831| 567| } 832| 567|} zstd_v05.c:HUFv05_decodeSymbolX2: 1863| 1.02k|{ 1864| 1.02k| const size_t val = BITv05_lookBitsFast(Dstream, dtLog); /* note : dtLog >= 1 */ 1865| 1.02k| const BYTE c = dt[val].byte; 1866| 1.02k| BITv05_skipBits(Dstream, dt[val].nbBits); 1867| 1.02k| return c; 1868| 1.02k|} zstd_v05.c:ZSTDv05_checkContinuity: 3330| 122|{ 3331| 122| if (dst != dctx->previousDstEnd) { /* not contiguous */ ------------------ | Branch (3331:9): [True: 122, False: 0] ------------------ 3332| 122| dctx->dictEnd = dctx->previousDstEnd; 3333| 122| dctx->vBase = (const char*)dst - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 3334| 122| dctx->base = dst; 3335| 122| dctx->previousDstEnd = dst; 3336| 122| } 3337| 122|} zstd_v05.c:ZSTDv05_decompressBlock_internal: 3343| 149|{ /* blockType == blockCompressed */ 3344| 149| const BYTE* ip = (const BYTE*)src; 3345| 149| size_t litCSize; 3346| | 3347| 149| if (srcSize >= BLOCKSIZE) return ERROR(srcSize_wrong); ------------------ | | 396| 149|#define BLOCKSIZE (128 KB) /* define, for static allocation */ | | ------------------ | | | | 392| 149|#define KB *(1 <<10) | | ------------------ ------------------ if (srcSize >= BLOCKSIZE) return ERROR(srcSize_wrong); ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3347:9): [True: 7, False: 142] ------------------ 3348| | 3349| | /* Decode literals sub-block */ 3350| 142| litCSize = ZSTDv05_decodeLiteralsBlock(dctx, src, srcSize); 3351| 142| if (ZSTDv05_isError(litCSize)) return litCSize; ------------------ | Branch (3351:9): [True: 45, False: 97] ------------------ 3352| 97| ip += litCSize; 3353| 97| srcSize -= litCSize; 3354| | 3355| 97| return ZSTDv05_decompressSequences(dctx, dst, dstCapacity, ip, srcSize); 3356| 142|} zstd_v05.c:ZSTDv05_decodeLiteralsBlock: 2812| 142|{ 2813| 142| const BYTE* const istart = (const BYTE*) src; 2814| | 2815| | /* any compressed block with literals segment must be at least this size */ 2816| 142| if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 439| 142|#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */ | | ------------------ | | | | 438| 142|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ | | ------------------ ------------------ if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 49| 12|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 12|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 12|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2816:9): [True: 12, False: 130] ------------------ 2817| | 2818| 130| switch(istart[0]>> 6) 2819| 130| { 2820| 30| case IS_HUFv05: ------------------ | | 409| 30|#define IS_HUFv05 0 ------------------ | Branch (2820:5): [True: 30, False: 100] ------------------ 2821| 30| { 2822| 30| size_t litSize, litCSize, singleStream=0; 2823| 30| U32 lhSize = ((istart[0]) >> 4) & 3; 2824| 30| if (srcSize < 5) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need up to 5 for case 3 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2824:17): [True: 0, False: 30] ------------------ 2825| 30| switch(lhSize) 2826| 30| { 2827| 25| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (2827:13): [True: 22, False: 8] | Branch (2827:21): [True: 3, False: 27] | Branch (2827:29): [True: 0, False: 30] ------------------ 2828| | /* 2 - 2 - 10 - 10 */ 2829| 25| lhSize=3; 2830| 25| singleStream = istart[0] & 16; 2831| 25| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 2832| 25| litCSize = ((istart[1] & 3) << 8) + istart[2]; 2833| 25| break; 2834| 5| case 2: ------------------ | Branch (2834:13): [True: 5, False: 25] ------------------ 2835| | /* 2 - 2 - 14 - 14 */ 2836| 5| lhSize=4; 2837| 5| litSize = ((istart[0] & 15) << 10) + (istart[1] << 2) + (istart[2] >> 6); 2838| 5| litCSize = ((istart[2] & 63) << 8) + istart[3]; 2839| 5| break; 2840| 0| case 3: ------------------ | Branch (2840:13): [True: 0, False: 30] ------------------ 2841| | /* 2 - 2 - 18 - 18 */ 2842| 0| lhSize=5; 2843| 0| litSize = ((istart[0] & 15) << 14) + (istart[1] << 6) + (istart[2] >> 2); 2844| 0| litCSize = ((istart[2] & 3) << 16) + (istart[3] << 8) + istart[4]; 2845| 0| break; 2846| 30| } 2847| 30| if (litSize > BLOCKSIZE) return ERROR(corruption_detected); ------------------ | | 396| 30|#define BLOCKSIZE (128 KB) /* define, for static allocation */ | | ------------------ | | | | 392| 30|#define KB *(1 <<10) | | ------------------ ------------------ if (litSize > BLOCKSIZE) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2847:17): [True: 0, False: 30] ------------------ 2848| 30| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2848:17): [True: 0, False: 30] ------------------ 2849| | 2850| 30| if (HUFv05_isError(singleStream ? ------------------ | Branch (2850:17): [True: 26, False: 4] | Branch (2850:32): [True: 3, False: 27] ------------------ 2851| 3| HUFv05_decompress1X2(dctx->litBuffer, litSize, istart+lhSize, litCSize) : 2852| 30| HUFv05_decompress (dctx->litBuffer, litSize, istart+lhSize, litCSize) )) 2853| 26| return ERROR(corruption_detected); ------------------ | | 49| 26|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 26|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 26|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2854| | 2855| 4| dctx->litPtr = dctx->litBuffer; 2856| 4| dctx->litSize = litSize; 2857| 4| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 441| 4|#define WILDCOPY_OVERLENGTH 8 ------------------ 2858| 4| return litCSize + lhSize; 2859| 30| } 2860| 2| case IS_PCH: ------------------ | | 410| 2|#define IS_PCH 1 ------------------ | Branch (2860:5): [True: 2, False: 128] ------------------ 2861| 2| { 2862| 2| size_t errorCode; 2863| 2| size_t litSize, litCSize; 2864| 2| U32 lhSize = ((istart[0]) >> 4) & 3; 2865| 2| if (lhSize != 1) /* only case supported for now : small litSize, single stream */ ------------------ | Branch (2865:17): [True: 2, False: 0] ------------------ 2866| 2| return ERROR(corruption_detected); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2867| 0| if (!dctx->flagStaticTables) ------------------ | Branch (2867:17): [True: 0, False: 0] ------------------ 2868| 0| return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2869| | 2870| | /* 2 - 2 - 10 - 10 */ 2871| 0| lhSize=3; 2872| 0| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 2873| 0| litCSize = ((istart[1] & 3) << 8) + istart[2]; 2874| 0| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2874:17): [True: 0, False: 0] ------------------ 2875| | 2876| 0| errorCode = HUFv05_decompress1X4_usingDTable(dctx->litBuffer, litSize, istart+lhSize, litCSize, dctx->hufTableX4); 2877| 0| if (HUFv05_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2877:17): [True: 0, False: 0] ------------------ 2878| | 2879| 0| dctx->litPtr = dctx->litBuffer; 2880| 0| dctx->litSize = litSize; 2881| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 441| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 2882| 0| return litCSize + lhSize; 2883| 0| } 2884| 20| case IS_RAW: ------------------ | | 411| 20|#define IS_RAW 2 ------------------ | Branch (2884:5): [True: 20, False: 110] ------------------ 2885| 20| { 2886| 20| size_t litSize; 2887| 20| U32 lhSize = ((istart[0]) >> 4) & 3; 2888| 20| switch(lhSize) 2889| 20| { 2890| 11| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (2890:13): [True: 4, False: 16] | Branch (2890:21): [True: 7, False: 13] | Branch (2890:29): [True: 0, False: 20] ------------------ 2891| 11| lhSize=1; 2892| 11| litSize = istart[0] & 31; 2893| 11| break; 2894| 9| case 2: ------------------ | Branch (2894:13): [True: 9, False: 11] ------------------ 2895| 9| litSize = ((istart[0] & 15) << 8) + istart[1]; 2896| 9| break; 2897| 0| case 3: ------------------ | Branch (2897:13): [True: 0, False: 20] ------------------ 2898| 0| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 2899| 0| break; 2900| 20| } 2901| | 2902| 20| if (lhSize+litSize+WILDCOPY_OVERLENGTH > srcSize) { /* risk reading beyond src buffer with wildcopy */ ------------------ | | 441| 20|#define WILDCOPY_OVERLENGTH 8 ------------------ | Branch (2902:17): [True: 0, False: 20] ------------------ 2903| 0| if (litSize+lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2903:21): [True: 0, False: 0] ------------------ 2904| 0| memcpy(dctx->litBuffer, istart+lhSize, litSize); 2905| 0| dctx->litPtr = dctx->litBuffer; 2906| 0| dctx->litSize = litSize; 2907| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 441| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 2908| 0| return lhSize+litSize; 2909| 0| } 2910| | /* direct reference into compressed stream */ 2911| 20| dctx->litPtr = istart+lhSize; 2912| 20| dctx->litSize = litSize; 2913| 20| return lhSize+litSize; 2914| 20| } 2915| 78| case IS_RLE: ------------------ | | 412| 78|#define IS_RLE 3 ------------------ | Branch (2915:5): [True: 78, False: 52] ------------------ 2916| 78| { 2917| 78| size_t litSize; 2918| 78| U32 lhSize = ((istart[0]) >> 4) & 3; 2919| 78| switch(lhSize) 2920| 78| { 2921| 24| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (2921:13): [True: 5, False: 73] | Branch (2921:21): [True: 19, False: 59] | Branch (2921:29): [True: 0, False: 78] ------------------ 2922| 24| lhSize = 1; 2923| 24| litSize = istart[0] & 31; 2924| 24| break; 2925| 44| case 2: ------------------ | Branch (2925:13): [True: 44, False: 34] ------------------ 2926| 44| litSize = ((istart[0] & 15) << 8) + istart[1]; 2927| 44| break; 2928| 10| case 3: ------------------ | Branch (2928:13): [True: 10, False: 68] ------------------ 2929| 10| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 2930| 10| if (srcSize<4) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need lhSize+1 = 4 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2930:21): [True: 0, False: 10] ------------------ 2931| 10| break; 2932| 78| } 2933| 78| if (litSize > BLOCKSIZE) return ERROR(corruption_detected); ------------------ | | 396| 78|#define BLOCKSIZE (128 KB) /* define, for static allocation */ | | ------------------ | | | | 392| 78|#define KB *(1 <<10) | | ------------------ ------------------ if (litSize > BLOCKSIZE) return ERROR(corruption_detected); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2933:17): [True: 5, False: 73] ------------------ 2934| 73| memset(dctx->litBuffer, istart[lhSize], litSize + WILDCOPY_OVERLENGTH); ------------------ | | 441| 73|#define WILDCOPY_OVERLENGTH 8 ------------------ 2935| 73| dctx->litPtr = dctx->litBuffer; 2936| 73| dctx->litSize = litSize; 2937| 73| return lhSize+1; 2938| 78| } 2939| 0| default: ------------------ | Branch (2939:5): [True: 0, False: 130] ------------------ 2940| 0| return ERROR(corruption_detected); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2941| 130| } 2942| 130|} zstd_v05.c:ZSTDv05_decompressSequences: 3260| 97|{ 3261| 97| const BYTE* ip = (const BYTE*)seqStart; 3262| 97| const BYTE* const iend = ip + seqSize; 3263| 97| BYTE* const ostart = (BYTE*)dst; 3264| 97| BYTE* op = ostart; 3265| 97| BYTE* const oend = ostart + maxDstSize; 3266| 97| size_t errorCode, dumpsLength=0; 3267| 97| const BYTE* litPtr = dctx->litPtr; 3268| 97| const BYTE* const litEnd = litPtr + dctx->litSize; 3269| 97| int nbSeq=0; 3270| 97| const BYTE* dumps = NULL; 3271| 97| unsigned* DTableLL = dctx->LLTable; 3272| 97| unsigned* DTableML = dctx->MLTable; 3273| 97| unsigned* DTableOffb = dctx->OffTable; 3274| 97| const BYTE* const base = (const BYTE*) (dctx->base); 3275| 97| const BYTE* const vBase = (const BYTE*) (dctx->vBase); 3276| 97| const BYTE* const dictEnd = (const BYTE*) (dctx->dictEnd); 3277| | 3278| | /* Build Decoding Tables */ 3279| 97| errorCode = ZSTDv05_decodeSeqHeaders(&nbSeq, &dumps, &dumpsLength, 3280| 97| DTableLL, DTableML, DTableOffb, 3281| 97| ip, seqSize, dctx->flagStaticTables); 3282| 97| if (ZSTDv05_isError(errorCode)) return errorCode; ------------------ | Branch (3282:9): [True: 2, False: 95] ------------------ 3283| 95| ip += errorCode; 3284| | 3285| | /* Regen sequences */ 3286| 95| if (nbSeq) { ------------------ | Branch (3286:9): [True: 68, False: 27] ------------------ 3287| 68| seq_t sequence; 3288| 68| seqState_t seqState; 3289| | 3290| 68| memset(&sequence, 0, sizeof(sequence)); 3291| 68| sequence.offset = REPCODE_STARTVALUE; ------------------ | | 415| 68|#define REPCODE_STARTVALUE 1 ------------------ 3292| 68| seqState.dumps = dumps; 3293| 68| seqState.dumpsEnd = dumps + dumpsLength; 3294| 68| seqState.prevOffset = REPCODE_STARTVALUE; ------------------ | | 415| 68|#define REPCODE_STARTVALUE 1 ------------------ 3295| 68| errorCode = BITv05_initDStream(&(seqState.DStream), ip, iend-ip); 3296| 68| if (ERR_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3296:13): [True: 2, False: 66] ------------------ 3297| 66| FSEv05_initDState(&(seqState.stateLL), &(seqState.DStream), DTableLL); 3298| 66| FSEv05_initDState(&(seqState.stateOffb), &(seqState.DStream), DTableOffb); 3299| 66| FSEv05_initDState(&(seqState.stateML), &(seqState.DStream), DTableML); 3300| | 3301| 1.13k| for ( ; (BITv05_reloadDStream(&(seqState.DStream)) <= BITv05_DStream_completed) && nbSeq ; ) { ------------------ | Branch (3301:17): [True: 1.12k, False: 8] | Branch (3301:92): [True: 1.11k, False: 15] ------------------ 3302| 1.11k| size_t oneSeqSize; 3303| 1.11k| nbSeq--; 3304| 1.11k| ZSTDv05_decodeSequence(&sequence, &seqState); 3305| 1.11k| oneSeqSize = ZSTDv05_execSequence(op, oend, sequence, &litPtr, litEnd, base, vBase, dictEnd); 3306| 1.11k| if (ZSTDv05_isError(oneSeqSize)) return oneSeqSize; ------------------ | Branch (3306:17): [True: 43, False: 1.06k] ------------------ 3307| 1.06k| op += oneSeqSize; 3308| 1.06k| } 3309| | 3310| | /* check if reached exact end */ 3311| 23| if (nbSeq) return ERROR(corruption_detected); ------------------ | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3311:13): [True: 8, False: 15] ------------------ 3312| 23| } 3313| | 3314| | /* last literal segment */ 3315| 42| { 3316| 42| size_t lastLLSize = litEnd - litPtr; 3317| 42| if (litPtr > litEnd) return ERROR(corruption_detected); /* too many literals already used */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3317:13): [True: 0, False: 42] ------------------ 3318| 42| if (op+lastLLSize > oend) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3318:13): [True: 0, False: 42] ------------------ 3319| 42| if (lastLLSize > 0) { ------------------ | Branch (3319:13): [True: 41, False: 1] ------------------ 3320| 41| memcpy(op, litPtr, lastLLSize); 3321| 41| op += lastLLSize; 3322| 41| } 3323| 42| } 3324| | 3325| 0| return op-ostart; 3326| 42|} zstd_v05.c:ZSTDv05_decodeSeqHeaders: 2948| 97|{ 2949| 97| const BYTE* const istart = (const BYTE*)src; 2950| 97| const BYTE* ip = istart; 2951| 97| const BYTE* const iend = istart + srcSize; 2952| 97| U32 LLtype, Offtype, MLtype; 2953| 97| unsigned LLlog, Offlog, MLlog; 2954| 97| size_t dumpsLength; 2955| | 2956| | /* check */ 2957| 97| if (srcSize < MIN_SEQUENCES_SIZE) ------------------ | | 438| 97|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ ------------------ | Branch (2957:9): [True: 0, False: 97] ------------------ 2958| 0| return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2959| | 2960| | /* SeqHead */ 2961| 97| *nbSeq = *ip++; 2962| 97| if (*nbSeq==0) return 1; ------------------ | Branch (2962:9): [True: 27, False: 70] ------------------ 2963| 70| if (*nbSeq >= 128) { ------------------ | Branch (2963:9): [True: 20, False: 50] ------------------ 2964| 20| if (ip >= iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2964:13): [True: 0, False: 20] ------------------ 2965| 20| *nbSeq = ((nbSeq[0]-128)<<8) + *ip++; 2966| 20| } 2967| | 2968| 70| if (ip >= iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2968:9): [True: 0, False: 70] ------------------ 2969| 70| LLtype = *ip >> 6; 2970| 70| Offtype = (*ip >> 4) & 3; 2971| 70| MLtype = (*ip >> 2) & 3; 2972| 70| if (*ip & 2) { ------------------ | Branch (2972:9): [True: 34, False: 36] ------------------ 2973| 34| if (ip+3 > iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2973:13): [True: 0, False: 34] ------------------ 2974| 34| dumpsLength = ip[2]; 2975| 34| dumpsLength += ip[1] << 8; 2976| 34| ip += 3; 2977| 36| } else { 2978| 36| if (ip+2 > iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2978:13): [True: 0, False: 36] ------------------ 2979| 36| dumpsLength = ip[1]; 2980| 36| dumpsLength += (ip[0] & 1) << 8; 2981| 36| ip += 2; 2982| 36| } 2983| 70| *dumpsPtr = ip; 2984| 70| ip += dumpsLength; 2985| 70| *dumpsLengthPtr = dumpsLength; 2986| | 2987| | /* check */ 2988| 70| if (ip > iend-3) return ERROR(srcSize_wrong); /* min : all 3 are "raw", hence no header, but at least xxLog bits per type */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2988:9): [True: 0, False: 70] ------------------ 2989| | 2990| | /* sequences */ 2991| 70| { 2992| 70| S16 norm[MaxML+1]; /* assumption : MaxML >= MaxLL >= MaxOff */ 2993| 70| size_t headerSize; 2994| | 2995| | /* Build DTables */ 2996| 70| switch(LLtype) 2997| 70| { 2998| 21| case FSEv05_ENCODING_RLE : ------------------ | | 431| 21|#define FSEv05_ENCODING_RLE 1 ------------------ | Branch (2998:9): [True: 21, False: 49] ------------------ 2999| 21| LLlog = 0; 3000| 21| FSEv05_buildDTable_rle(DTableLL, *ip++); 3001| 21| break; 3002| 33| case FSEv05_ENCODING_RAW : ------------------ | | 430| 33|#define FSEv05_ENCODING_RAW 0 ------------------ | Branch (3002:9): [True: 33, False: 37] ------------------ 3003| 33| LLlog = LLbits; ------------------ | | 419| 33|#define LLbits 6 ------------------ 3004| 33| FSEv05_buildDTable_raw(DTableLL, LLbits); ------------------ | | 419| 33|#define LLbits 6 ------------------ 3005| 33| break; 3006| 0| case FSEv05_ENCODING_STATIC: ------------------ | | 432| 0|#define FSEv05_ENCODING_STATIC 2 ------------------ | Branch (3006:9): [True: 0, False: 70] ------------------ 3007| 0| if (!flagStaticTable) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3007:17): [True: 0, False: 0] ------------------ 3008| 0| break; 3009| 16| case FSEv05_ENCODING_DYNAMIC : ------------------ | | 433| 16|#define FSEv05_ENCODING_DYNAMIC 3 ------------------ | Branch (3009:9): [True: 16, False: 54] ------------------ 3010| 16| default : /* impossible */ ------------------ | Branch (3010:9): [True: 0, False: 70] ------------------ 3011| 16| { unsigned max = MaxLL; ------------------ | | 423| 16|#define MaxLL ((1< LLFSEv05Log) return ERROR(corruption_detected); ------------------ | | 426| 16|#define LLFSEv05Log 10 ------------------ if (LLlog > LLFSEv05Log) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3014:21): [True: 0, False: 16] ------------------ 3015| 16| ip += headerSize; 3016| 16| FSEv05_buildDTable(DTableLL, norm, max, LLlog); 3017| 16| } } 3018| | 3019| 70| switch(Offtype) 3020| 70| { 3021| 14| case FSEv05_ENCODING_RLE : ------------------ | | 431| 14|#define FSEv05_ENCODING_RLE 1 ------------------ | Branch (3021:9): [True: 14, False: 56] ------------------ 3022| 14| Offlog = 0; 3023| 14| if (ip > iend-2) return ERROR(srcSize_wrong); /* min : "raw", hence no header, but at least xxLog bits */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3023:17): [True: 0, False: 14] ------------------ 3024| 14| FSEv05_buildDTable_rle(DTableOffb, *ip++ & MaxOff); /* if *ip > MaxOff, data is corrupted */ ------------------ | | 424| 14|#define MaxOff ((1< OffFSEv05Log) return ERROR(corruption_detected); ------------------ | | 427| 38|#define OffFSEv05Log 9 ------------------ if (Offlog > OffFSEv05Log) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3038:21): [True: 0, False: 38] ------------------ 3039| 38| ip += headerSize; 3040| 38| FSEv05_buildDTable(DTableOffb, norm, max, Offlog); 3041| 38| } } 3042| | 3043| 68| switch(MLtype) 3044| 68| { 3045| 24| case FSEv05_ENCODING_RLE : ------------------ | | 431| 24|#define FSEv05_ENCODING_RLE 1 ------------------ | Branch (3045:9): [True: 24, False: 44] ------------------ 3046| 24| MLlog = 0; 3047| 24| if (ip > iend-2) return ERROR(srcSize_wrong); /* min : "raw", hence no header, but at least xxLog bits */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3047:17): [True: 0, False: 24] ------------------ 3048| 24| FSEv05_buildDTable_rle(DTableML, *ip++); 3049| 24| break; 3050| 31| case FSEv05_ENCODING_RAW : ------------------ | | 430| 31|#define FSEv05_ENCODING_RAW 0 ------------------ | Branch (3050:9): [True: 31, False: 37] ------------------ 3051| 31| MLlog = MLbits; ------------------ | | 418| 31|#define MLbits 7 ------------------ 3052| 31| FSEv05_buildDTable_raw(DTableML, MLbits); ------------------ | | 418| 31|#define MLbits 7 ------------------ 3053| 31| break; 3054| 0| case FSEv05_ENCODING_STATIC: ------------------ | | 432| 0|#define FSEv05_ENCODING_STATIC 2 ------------------ | Branch (3054:9): [True: 0, False: 68] ------------------ 3055| 0| if (!flagStaticTable) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3055:17): [True: 0, False: 0] ------------------ 3056| 0| break; 3057| 13| case FSEv05_ENCODING_DYNAMIC : ------------------ | | 433| 13|#define FSEv05_ENCODING_DYNAMIC 3 ------------------ | Branch (3057:9): [True: 13, False: 55] ------------------ 3058| 13| default : /* impossible */ ------------------ | Branch (3058:9): [True: 0, False: 68] ------------------ 3059| 13| { unsigned max = MaxML; ------------------ | | 422| 13|#define MaxML ((1< MLFSEv05Log) return ERROR(corruption_detected); ------------------ | | 425| 13|#define MLFSEv05Log 10 ------------------ if (MLlog > MLFSEv05Log) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3062:21): [True: 0, False: 13] ------------------ 3063| 13| ip += headerSize; 3064| 13| FSEv05_buildDTable(DTableML, norm, max, MLlog); 3065| 13| } } } 3066| | 3067| 68| return ip-istart; 3068| 68|} zstd_v05.c:ZSTDv05_decodeSequence: 3090| 1.11k|{ 3091| 1.11k| size_t litLength; 3092| 1.11k| size_t prevOffset; 3093| 1.11k| size_t offset; 3094| 1.11k| size_t matchLength; 3095| 1.11k| const BYTE* dumps = seqState->dumps; 3096| 1.11k| const BYTE* const de = seqState->dumpsEnd; 3097| | 3098| | /* Literal length */ 3099| 1.11k| litLength = FSEv05_peakSymbol(&(seqState->stateLL)); 3100| 1.11k| prevOffset = litLength ? seq->offset : seqState->prevOffset; ------------------ | Branch (3100:18): [True: 800, False: 312] ------------------ 3101| 1.11k| if (litLength == MaxLL) { ------------------ | | 423| 1.11k|#define MaxLL ((1<>=1; 3112| 1| } 3113| 28| if (dumps >= de) { dumps = de-1; } /* late correction, to avoid read overflow (data is now corrupted anyway) */ ------------------ | Branch (3113:13): [True: 20, False: 8] ------------------ 3114| 28| } 3115| | 3116| | /* Offset */ 3117| 1.11k| { 3118| 1.11k| static const U32 offsetPrefix[MaxOff+1] = { 3119| 1.11k| 1 /*fake*/, 1, 2, 4, 8, 16, 32, 64, 128, 256, 3120| 1.11k| 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 3121| 1.11k| 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, /*fake*/ 1, 1, 1, 1, 1 }; 3122| 1.11k| U32 offsetCode = FSEv05_peakSymbol(&(seqState->stateOffb)); /* <= maxOff, by table construction */ 3123| 1.11k| U32 nbBits = offsetCode - 1; 3124| 1.11k| if (offsetCode==0) nbBits = 0; /* cmove */ ------------------ | Branch (3124:13): [True: 304, False: 808] ------------------ 3125| 1.11k| offset = offsetPrefix[offsetCode] + BITv05_readBits(&(seqState->DStream), nbBits); 3126| 1.11k| if (MEM_32bits()) BITv05_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3126:13): [True: 0, False: 1.11k] ------------------ 3127| 1.11k| if (offsetCode==0) offset = prevOffset; /* repcode, cmove */ ------------------ | Branch (3127:13): [True: 304, False: 808] ------------------ 3128| 1.11k| if (offsetCode | !litLength) seqState->prevOffset = seq->offset; /* cmove */ ------------------ | Branch (3128:13): [True: 914, False: 198] ------------------ 3129| 1.11k| FSEv05_decodeSymbol(&(seqState->stateOffb), &(seqState->DStream)); /* update */ 3130| 1.11k| } 3131| | 3132| | /* Literal length update */ 3133| 1.11k| FSEv05_decodeSymbol(&(seqState->stateLL), &(seqState->DStream)); /* update */ 3134| 1.11k| if (MEM_32bits()) BITv05_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3134:9): [True: 0, False: 1.11k] ------------------ 3135| | 3136| | /* MatchLength */ 3137| 1.11k| matchLength = FSEv05_decodeSymbol(&(seqState->stateML), &(seqState->DStream)); 3138| 1.11k| if (matchLength == MaxML) { ------------------ | | 422| 1.11k|#define MaxML ((1<>= 1; 3149| 4| } 3150| 99| if (dumps >= de) { dumps = de-1; } /* late correction, to avoid read overflow (data is now corrupted anyway) */ ------------------ | Branch (3150:13): [True: 28, False: 71] ------------------ 3151| 99| } 3152| 1.11k| matchLength += MINMATCH; ------------------ | | 414| 1.11k|#define MINMATCH 4 ------------------ 3153| | 3154| | /* save result */ 3155| 1.11k| seq->litLength = litLength; 3156| 1.11k| seq->offset = offset; 3157| 1.11k| seq->matchLength = matchLength; 3158| 1.11k| seqState->dumps = dumps; 3159| | 3160| |#if 0 /* debug */ 3161| | { 3162| | static U64 totalDecoded = 0; 3163| | printf("pos %6u : %3u literals & match %3u bytes at distance %6u \n", 3164| | (U32)(totalDecoded), (U32)litLength, (U32)matchLength, (U32)offset); 3165| | totalDecoded += litLength + matchLength; 3166| | } 3167| |#endif 3168| 1.11k|} zstd_v05.c:FSEv05_peakSymbol: 960| 2.22k|{ 961| 2.22k| const FSEv05_decode_t DInfo = ((const FSEv05_decode_t*)(DStatePtr->table))[DStatePtr->state]; 962| 2.22k| return DInfo.symbol; 963| 2.22k|} zstd_v05.c:ZSTDv05_execSequence: 3175| 1.11k|{ 3176| 1.11k| static const int dec32table[] = { 0, 1, 2, 1, 4, 4, 4, 4 }; /* added */ 3177| 1.11k| static const int dec64table[] = { 8, 8, 8, 7, 8, 9,10,11 }; /* subtracted */ 3178| 1.11k| BYTE* const oLitEnd = op + sequence.litLength; 3179| 1.11k| const size_t sequenceLength = sequence.litLength + sequence.matchLength; 3180| 1.11k| BYTE* const oMatchEnd = op + sequenceLength; /* risk : address space overflow (32-bits) */ 3181| 1.11k| BYTE* const oend_8 = oend-8; 3182| 1.11k| const BYTE* const litEnd = *litPtr + sequence.litLength; 3183| 1.11k| const BYTE* match = oLitEnd - sequence.offset; 3184| | 3185| | /* checks */ 3186| 1.11k| size_t const seqLength = sequence.litLength + sequence.matchLength; 3187| | 3188| 1.11k| if (seqLength > (size_t)(oend - op)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 27|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 27|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 27|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3188:9): [True: 27, False: 1.08k] ------------------ 3189| 1.08k| if (sequence.litLength > (size_t)(litLimit - *litPtr)) return ERROR(corruption_detected); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3189:9): [True: 5, False: 1.08k] ------------------ 3190| | /* Now we know there are no overflow in literal nor match lengths, can use pointer checks */ 3191| 1.08k| if (oLitEnd > oend_8) return ERROR(dstSize_tooSmall); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3191:9): [True: 2, False: 1.07k] ------------------ 3192| | 3193| 1.07k| if (oMatchEnd > oend) return ERROR(dstSize_tooSmall); /* overwrite beyond dst buffer */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3193:9): [True: 0, False: 1.07k] ------------------ 3194| 1.07k| if (litEnd > litLimit) return ERROR(corruption_detected); /* overRead beyond lit buffer */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3194:9): [True: 0, False: 1.07k] ------------------ 3195| | 3196| | /* copy Literals */ 3197| 1.07k| ZSTDv05_wildcopy(op, *litPtr, (ptrdiff_t)sequence.litLength); /* note : oLitEnd <= oend-8 : no risk of overwrite beyond oend */ 3198| 1.07k| op = oLitEnd; 3199| 1.07k| *litPtr = litEnd; /* update for next sequence */ 3200| | 3201| | /* copy Match */ 3202| 1.07k| if (sequence.offset > (size_t)(oLitEnd - base)) { ------------------ | Branch (3202:9): [True: 29, False: 1.04k] ------------------ 3203| | /* offset beyond prefix */ 3204| 29| if (sequence.offset > (size_t)(oLitEnd - vBase)) ------------------ | Branch (3204:13): [True: 9, False: 20] ------------------ 3205| 9| return ERROR(corruption_detected); ------------------ | | 49| 9|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 9|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 9|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3206| 20| match = dictEnd - (base-match); 3207| 20| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (3207:13): [True: 5, False: 15] ------------------ 3208| 5| memmove(oLitEnd, match, sequence.matchLength); 3209| 5| return sequenceLength; 3210| 5| } 3211| | /* span extDict & currentPrefixSegment */ 3212| 15| { 3213| 15| size_t length1 = dictEnd - match; 3214| 15| memmove(oLitEnd, match, length1); 3215| 15| op = oLitEnd + length1; 3216| 15| sequence.matchLength -= length1; 3217| 15| match = base; 3218| 15| if (op > oend_8 || sequence.matchLength < MINMATCH) { ------------------ | | 414| 15|#define MINMATCH 4 ------------------ | Branch (3218:17): [True: 0, False: 15] | Branch (3218:32): [True: 4, False: 11] ------------------ 3219| 15| while (op < oMatchEnd) *op++ = *match++; ------------------ | Branch (3219:22): [True: 11, False: 4] ------------------ 3220| 4| return sequenceLength; 3221| 4| } 3222| 15| } } 3223| | /* Requirement: op <= oend_8 */ 3224| | 3225| | /* match within prefix */ 3226| 1.06k| if (sequence.offset < 8) { ------------------ | Branch (3226:9): [True: 526, False: 534] ------------------ 3227| | /* close range match, overlap */ 3228| 526| const int sub2 = dec64table[sequence.offset]; 3229| 526| op[0] = match[0]; 3230| 526| op[1] = match[1]; 3231| 526| op[2] = match[2]; 3232| 526| op[3] = match[3]; 3233| 526| match += dec32table[sequence.offset]; 3234| 526| ZSTDv05_copy4(op+4, match); 3235| 526| match -= sub2; 3236| 534| } else { 3237| 534| ZSTDv05_copy8(op, match); 3238| 534| } 3239| 1.06k| op += 8; match += 8; 3240| | 3241| 1.06k| if (oMatchEnd > oend-(16-MINMATCH)) { ------------------ | | 414| 1.06k|#define MINMATCH 4 ------------------ | Branch (3241:9): [True: 9, False: 1.05k] ------------------ 3242| 9| if (op < oend_8) { ------------------ | Branch (3242:13): [True: 5, False: 4] ------------------ 3243| 5| ZSTDv05_wildcopy(op, match, oend_8 - op); 3244| 5| match += oend_8 - op; 3245| 5| op = oend_8; 3246| 5| } 3247| 26| while (op < oMatchEnd) ------------------ | Branch (3247:16): [True: 17, False: 9] ------------------ 3248| 17| *op++ = *match++; 3249| 1.05k| } else { 3250| 1.05k| ZSTDv05_wildcopy(op, match, (ptrdiff_t)sequence.matchLength-8); /* works even if matchLength < 8 */ 3251| 1.05k| } 3252| 1.06k| return sequenceLength; 3253| 1.07k|} zstd_v05.c:ZSTDv05_wildcopy: 458| 2.13k|{ 459| 2.13k| const BYTE* ip = (const BYTE*)src; 460| 2.13k| BYTE* op = (BYTE*)dst; 461| 2.13k| BYTE* const oend = op + length; 462| 2.13k| do 463| 19.0k| COPY8(op, ip) ------------------ | | 453| 19.0k|#define COPY8(d,s) { ZSTDv05_copy8(d,s); d+=8; s+=8; } ------------------ 464| 19.0k| while (op < oend); ------------------ | Branch (464:12): [True: 16.9k, False: 2.13k] ------------------ 465| 2.13k|} zstd_v05.c:ZSTDv05_copy4: 2569| 526|static void ZSTDv05_copy4(void* dst, const void* src) { memcpy(dst, src, 4); } zstd_v05.c:ZSTDv05_copy8: 451| 19.5k|static void ZSTDv05_copy8(void* dst, const void* src) { memcpy(dst, src, 8); } zstd_v05.c:ZSTDv05_decompress_continueDCtx: 3373| 122|{ 3374| 122| const BYTE* ip = (const BYTE*)src; 3375| 122| const BYTE* iend = ip + srcSize; 3376| 122| BYTE* const ostart = (BYTE*)dst; 3377| 122| BYTE* op = ostart; 3378| 122| BYTE* const oend = ostart + maxDstSize; 3379| 122| size_t remainingSize = srcSize; 3380| 122| blockProperties_t blockProperties; 3381| 122| memset(&blockProperties, 0, sizeof(blockProperties)); 3382| | 3383| | /* Frame Header */ 3384| 122| { size_t frameHeaderSize; 3385| 122| if (srcSize < ZSTDv05_frameHeaderSize_min+ZSTDv05_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3385:13): [True: 0, False: 122] ------------------ 3386| 122| frameHeaderSize = ZSTDv05_decodeFrameHeader_Part1(dctx, src, ZSTDv05_frameHeaderSize_min); 3387| 122| if (ZSTDv05_isError(frameHeaderSize)) return frameHeaderSize; ------------------ | Branch (3387:13): [True: 0, False: 122] ------------------ 3388| 122| if (srcSize < frameHeaderSize+ZSTDv05_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3388:13): [True: 0, False: 122] ------------------ 3389| 122| ip += frameHeaderSize; remainingSize -= frameHeaderSize; 3390| 122| frameHeaderSize = ZSTDv05_decodeFrameHeader_Part2(dctx, src, frameHeaderSize); 3391| 122| if (ZSTDv05_isError(frameHeaderSize)) return frameHeaderSize; ------------------ | Branch (3391:13): [True: 2, False: 120] ------------------ 3392| 122| } 3393| | 3394| | /* Loop on each block */ 3395| 254| while (1) ------------------ | Branch (3395:12): [True: 254, Folded] ------------------ 3396| 254| { 3397| 254| size_t decodedSize=0; 3398| 254| size_t cBlockSize = ZSTDv05_getcBlockSize(ip, iend-ip, &blockProperties); 3399| 254| if (ZSTDv05_isError(cBlockSize)) return cBlockSize; ------------------ | Branch (3399:13): [True: 0, False: 254] ------------------ 3400| | 3401| 254| ip += ZSTDv05_blockHeaderSize; 3402| 254| remainingSize -= ZSTDv05_blockHeaderSize; 3403| 254| if (cBlockSize > remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3403:13): [True: 0, False: 254] ------------------ 3404| | 3405| 254| switch(blockProperties.blockType) 3406| 254| { 3407| 149| case bt_compressed: ------------------ | Branch (3407:9): [True: 149, False: 105] ------------------ 3408| 149| decodedSize = ZSTDv05_decompressBlock_internal(dctx, op, oend-op, ip, cBlockSize); 3409| 149| break; 3410| 97| case bt_raw : ------------------ | Branch (3410:9): [True: 97, False: 157] ------------------ 3411| 97| decodedSize = ZSTDv05_copyRawBlock(op, oend-op, ip, cBlockSize); 3412| 97| break; 3413| 1| case bt_rle : ------------------ | Branch (3413:9): [True: 1, False: 253] ------------------ 3414| 1| return ERROR(GENERIC); /* not yet supported */ ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3415| 0| break; 3416| 7| case bt_end : ------------------ | Branch (3416:9): [True: 7, False: 247] ------------------ 3417| | /* end of frame */ 3418| 7| if (remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3418:17): [True: 0, False: 7] ------------------ 3419| 7| break; 3420| 7| default: ------------------ | Branch (3420:9): [True: 0, False: 254] ------------------ 3421| 0| return ERROR(GENERIC); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3422| 254| } 3423| 253| if (cBlockSize == 0) break; /* bt_end */ ------------------ | Branch (3423:13): [True: 20, False: 233] ------------------ 3424| | 3425| 233| if (ZSTDv05_isError(decodedSize)) return decodedSize; ------------------ | Branch (3425:13): [True: 99, False: 134] ------------------ 3426| 134| op += decodedSize; 3427| 134| ip += cBlockSize; 3428| 134| remainingSize -= cBlockSize; 3429| 134| } 3430| | 3431| 20| return op-ostart; 3432| 120|} zstd_v05.c:ZSTD_errorFrameSizeInfoLegacy: 3479| 5|{ 3480| 5| *cSize = ret; 3481| 5| *dBound = ZSTD_CONTENTSIZE_ERROR; ------------------ | | 443| 5|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 3482| 5|} zstd_v05.c:ZSTDv05_getcBlockSize: 2779| 779|{ 2780| 779| const BYTE* const in = (const BYTE*)src; 2781| 779| BYTE headerFlags; 2782| 779| U32 cSize; 2783| | 2784| 779| if (srcSize < 3) ------------------ | Branch (2784:9): [True: 0, False: 779] ------------------ 2785| 0| return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2786| | 2787| 779| headerFlags = *in; 2788| 779| cSize = in[2] + (in[1]<<8) + ((in[0] & 7)<<16); 2789| | 2790| 779| bpPtr->blockType = (blockType_t)(headerFlags >> 6); 2791| 779| bpPtr->origSize = (bpPtr->blockType == bt_rle) ? cSize : 0; ------------------ | Branch (2791:23): [True: 19, False: 760] ------------------ 2792| | 2793| 779| if (bpPtr->blockType == bt_end) return 0; ------------------ | Branch (2793:9): [True: 75, False: 704] ------------------ 2794| 704| if (bpPtr->blockType == bt_rle) return 1; ------------------ | Branch (2794:9): [True: 19, False: 685] ------------------ 2795| 685| return cSize; 2796| 704|} zstd_v05.c:ZSTDv05_decodeFrameHeader_Part1: 2740| 122|{ 2741| 122| U32 magicNumber; 2742| 122| if (srcSize != ZSTDv05_frameHeaderSize_min) ------------------ | Branch (2742:9): [True: 0, False: 122] ------------------ 2743| 0| return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2744| 122| magicNumber = MEM_readLE32(src); 2745| 122| if (magicNumber != ZSTDv05_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 153| 122|#define ZSTDv05_MAGICNUMBER 0xFD2FB525 /* v0.5 */ ------------------ if (magicNumber != ZSTDv05_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2745:9): [True: 0, False: 122] ------------------ 2746| 122| zc->headerSize = ZSTDv05_frameHeaderSize_min; 2747| 122| return zc->headerSize; 2748| 122|} zstd_v05.c:ZSTDv05_decodeFrameHeader_Part2: 2768| 122|{ 2769| 122| size_t result; 2770| 122| if (srcSize != zc->headerSize) ------------------ | Branch (2770:9): [True: 0, False: 122] ------------------ 2771| 0| return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 2772| 122| result = ZSTDv05_getFrameParams(&(zc->params), src, srcSize); 2773| 122| if ((MEM_32bits()) && (zc->params.windowLog > 25)) return ERROR(frameParameter_unsupported); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2773:9): [True: 0, False: 122] | Branch (2773:27): [True: 0, False: 0] ------------------ 2774| 122| return result; 2775| 122|} zstd_v05.c:ZSTDv05_copyRawBlock: 2800| 97|{ 2801| 97| if (dst==NULL) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2801:9): [True: 0, False: 97] ------------------ 2802| 97| if (srcSize > maxDstSize) return ERROR(dstSize_tooSmall); ------------------ | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2802:9): [True: 4, False: 93] ------------------ 2803| 93| memcpy(dst, src, srcSize); 2804| 93| return srcSize; 2805| 97|} zstd_v05.c:ZSTDv05_decompress_insertDictionary: 3663| 30|{ 3664| 30| size_t eSize; 3665| 30| U32 magic = MEM_readLE32(dict); 3666| 30| if (magic != ZSTDv05_DICT_MAGIC) { ------------------ | | 390| 30|#define ZSTDv05_DICT_MAGIC 0xEC30A435 ------------------ | Branch (3666:9): [True: 30, False: 0] ------------------ 3667| | /* pure content mode */ 3668| 30| ZSTDv05_refDictContent(dctx, dict, dictSize); 3669| 30| return 0; 3670| 30| } 3671| | /* load entropy tables */ 3672| 0| dict = (const char*)dict + 4; 3673| 0| dictSize -= 4; 3674| 0| eSize = ZSTDv05_loadEntropy(dctx, dict, dictSize); 3675| 0| if (ZSTDv05_isError(eSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3675:9): [True: 0, False: 0] ------------------ 3676| | 3677| | /* reference dictionary content */ 3678| 0| dict = (const char*)dict + eSize; 3679| 0| dictSize -= eSize; 3680| 0| ZSTDv05_refDictContent(dctx, dict, dictSize); 3681| | 3682| 0| return 0; 3683| 0|} zstd_v05.c:ZSTDv05_refDictContent: 3614| 30|{ 3615| 30| dctx->dictEnd = dctx->previousDstEnd; 3616| 30| dctx->vBase = (const char*)dict - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 3617| 30| dctx->base = dict; 3618| 30| dctx->previousDstEnd = (const char*)dict + dictSize; 3619| 30|} FSEv06_readNCount: 1209| 29|{ 1210| 29| const BYTE* const istart = (const BYTE*) headerBuffer; 1211| 29| const BYTE* const iend = istart + hbSize; 1212| 29| const BYTE* ip = istart; 1213| 29| int nbBits; 1214| 29| int remaining; 1215| 29| int threshold; 1216| 29| U32 bitStream; 1217| 29| int bitCount; 1218| 29| unsigned charnum = 0; 1219| 29| int previous0 = 0; 1220| | 1221| 29| if (hbSize < 4) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1221:9): [True: 0, False: 29] ------------------ 1222| 29| bitStream = MEM_readLE32(ip); 1223| 29| nbBits = (bitStream & 0xF) + FSEv06_MIN_TABLELOG; /* extract tableLog */ ------------------ | | 1138| 29|#define FSEv06_MIN_TABLELOG 5 ------------------ 1224| 29| if (nbBits > FSEv06_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 1140| 29|#define FSEv06_TABLELOG_ABSOLUTE_MAX 15 ------------------ if (nbBits > FSEv06_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1224:9): [True: 0, False: 29] ------------------ 1225| 29| bitStream >>= 4; 1226| 29| bitCount = 4; 1227| 29| *tableLogPtr = nbBits; 1228| 29| remaining = (1<1) && (charnum<=*maxSVPtr)) { ------------------ | Branch (1232:12): [True: 220, False: 29] | Branch (1232:29): [True: 220, False: 0] ------------------ 1233| 220| if (previous0) { ------------------ | Branch (1233:13): [True: 14, False: 206] ------------------ 1234| 14| unsigned n0 = charnum; 1235| 15| while ((bitStream & 0xFFFF) == 0xFFFF) { ------------------ | Branch (1235:20): [True: 1, False: 14] ------------------ 1236| 1| n0+=24; 1237| 1| if (ip < iend-5) { ------------------ | Branch (1237:21): [True: 1, False: 0] ------------------ 1238| 1| ip+=2; 1239| 1| bitStream = MEM_readLE32(ip) >> bitCount; 1240| 1| } else { 1241| 0| bitStream >>= 16; 1242| 0| bitCount+=16; 1243| 0| } } 1244| 14| while ((bitStream & 3) == 3) { ------------------ | Branch (1244:20): [True: 0, False: 14] ------------------ 1245| 0| n0+=3; 1246| 0| bitStream>>=2; 1247| 0| bitCount+=2; 1248| 0| } 1249| 14| n0 += bitStream & 3; 1250| 14| bitCount += 2; 1251| 14| if (n0 > *maxSVPtr) return ERROR(maxSymbolValue_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1251:17): [True: 0, False: 14] ------------------ 1252| 46| while (charnum < n0) normalizedCounter[charnum++] = 0; ------------------ | Branch (1252:20): [True: 32, False: 14] ------------------ 1253| 14| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1253:17): [True: 12, False: 2] | Branch (1253:35): [True: 0, False: 2] ------------------ 1254| 12| ip += bitCount>>3; 1255| 12| bitCount &= 7; 1256| 12| bitStream = MEM_readLE32(ip) >> bitCount; 1257| 12| } 1258| 2| else 1259| 2| bitStream >>= 2; 1260| 14| } 1261| 220| { short const max = (short)((2*threshold-1)-remaining); 1262| 220| short count; 1263| | 1264| 220| if ((bitStream & (threshold-1)) < (U32)max) { ------------------ | Branch (1264:17): [True: 126, False: 94] ------------------ 1265| 126| count = (short)(bitStream & (threshold-1)); 1266| 126| bitCount += nbBits-1; 1267| 126| } else { 1268| 94| count = (short)(bitStream & (2*threshold-1)); 1269| 94| if (count >= threshold) count -= max; ------------------ | Branch (1269:21): [True: 40, False: 54] ------------------ 1270| 94| bitCount += nbBits; 1271| 94| } 1272| | 1273| 220| count--; /* extra accuracy */ 1274| 220| remaining -= FSEv06_abs(count); 1275| 220| normalizedCounter[charnum++] = count; 1276| 220| previous0 = !count; 1277| 395| while (remaining < threshold) { ------------------ | Branch (1277:20): [True: 175, False: 220] ------------------ 1278| 175| nbBits--; 1279| 175| threshold >>= 1; 1280| 175| } 1281| | 1282| 220| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1282:17): [True: 192, False: 28] | Branch (1282:35): [True: 2, False: 26] ------------------ 1283| 194| ip += bitCount>>3; 1284| 194| bitCount &= 7; 1285| 194| } else { 1286| 26| bitCount -= (int)(8 * (iend - 4 - ip)); 1287| 26| ip = iend - 4; 1288| 26| } 1289| 220| bitStream = MEM_readLE32(ip) >> (bitCount & 31); 1290| 220| } } /* while ((remaining>1) && (charnum<=*maxSVPtr)) */ 1291| 29| if (remaining != 1) return ERROR(GENERIC); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1291:9): [True: 0, False: 29] ------------------ 1292| 29| *maxSVPtr = charnum-1; 1293| | 1294| 29| ip += (bitCount+7)>>3; 1295| 29| if ((size_t)(ip-istart) > hbSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1295:9): [True: 1, False: 28] ------------------ 1296| 28| return ip-istart; 1297| 29|} FSEv06_buildDTable: 1403| 72|{ 1404| 72| void* const tdPtr = dt+1; /* because *dt is unsigned, 32-bits aligned on 32-bits */ 1405| 72| FSEv06_DECODE_TYPE* const tableDecode = (FSEv06_DECODE_TYPE*) (tdPtr); ------------------ | | 1125| 72|#define FSEv06_DECODE_TYPE FSEv06_decode_t ------------------ 1406| 72| U16 symbolNext[FSEv06_MAX_SYMBOL_VALUE+1]; 1407| | 1408| 72| U32 const maxSV1 = maxSymbolValue + 1; 1409| 72| U32 const tableSize = 1 << tableLog; 1410| 72| U32 highThreshold = tableSize-1; 1411| | 1412| | /* Sanity Checks */ 1413| 72| if (maxSymbolValue > FSEv06_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 1117| 72|#define FSEv06_MAX_SYMBOL_VALUE 255 ------------------ if (maxSymbolValue > FSEv06_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1413:9): [True: 0, False: 72] ------------------ 1414| 72| if (tableLog > FSEv06_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 1134| 72|#define FSEv06_MAX_TABLELOG (FSEv06_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 1111| 72|#define FSEv06_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ if (tableLog > FSEv06_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1414:9): [True: 0, False: 72] ------------------ 1415| | 1416| | /* Init, lay down lowprob symbols */ 1417| 72| { FSEv06_DTableHeader DTableH; 1418| 72| DTableH.tableLog = (U16)tableLog; 1419| 72| DTableH.fastMode = 1; 1420| 72| { S16 const largeLimit= (S16)(1 << (tableLog-1)); 1421| 72| U32 s; 1422| 2.08k| for (s=0; s= largeLimit) DTableH.fastMode=0; ------------------ | Branch (1427:25): [True: 20, False: 1.70k] ------------------ 1428| 1.72k| symbolNext[s] = normalizedCounter[s]; 1429| 1.72k| } } } 1430| 72| memcpy(dt, &DTableH, sizeof(DTableH)); 1431| 72| } 1432| | 1433| | /* Spread symbols */ 1434| 72| { U32 const tableMask = tableSize-1; 1435| 72| U32 const step = FSEv06_TABLESTEP(tableSize); ------------------ | | 1145| 72|#define FSEv06_TABLESTEP(tableSize) ((tableSize>>1) + (tableSize>>3) + 3) ------------------ 1436| 72| U32 s, position = 0; 1437| 2.08k| for (s=0; s highThreshold) position = (position + step) & tableMask; /* lowprob area */ ------------------ | Branch (1442:24): [True: 294, False: 3.93k] ------------------ 1443| 3.93k| } } 1444| | 1445| 72| if (position!=0) return ERROR(GENERIC); /* position must reach all cells once, otherwise normalizedCounter is incorrect */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1445:13): [True: 0, False: 72] ------------------ 1446| 72| } 1447| | 1448| | /* Build Decoding table */ 1449| 72| { U32 u; 1450| 4.29k| for (u=0; utableLog = 0; 1475| 36| DTableH->fastMode = 0; 1476| | 1477| 36| cell->newState = 0; 1478| 36| cell->symbol = symbolValue; 1479| 36| cell->nbBits = 0; 1480| | 1481| 36| return 0; 1482| 36|} FSEv06_decompress: 1594| 1|{ 1595| 1| const BYTE* const istart = (const BYTE*)cSrc; 1596| 1| const BYTE* ip = istart; 1597| 1| short counting[FSEv06_MAX_SYMBOL_VALUE+1]; 1598| 1| DTable_max_t dt; /* Static analyzer seems unable to understand this table will be properly initialized later */ 1599| 1| unsigned tableLog; 1600| 1| unsigned maxSymbolValue = FSEv06_MAX_SYMBOL_VALUE; ------------------ | | 1117| 1|#define FSEv06_MAX_SYMBOL_VALUE 255 ------------------ 1601| | 1602| 1| if (cSrcSize<2) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1602:9): [True: 0, False: 1] ------------------ 1603| | 1604| | /* normal FSE decoding mode */ 1605| 1| { size_t const NCountLength = FSEv06_readNCount (counting, &maxSymbolValue, &tableLog, istart, cSrcSize); 1606| 1| if (FSEv06_isError(NCountLength)) return NCountLength; ------------------ | | 1357| 1|#define FSEv06_isError ERR_isError ------------------ | Branch (1606:13): [True: 1, False: 0] ------------------ 1607| 0| if (NCountLength >= cSrcSize) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1607:13): [True: 0, False: 0] ------------------ 1608| 0| ip += NCountLength; 1609| 0| cSrcSize -= NCountLength; 1610| 0| } 1611| | 1612| 0| { size_t const errorCode = FSEv06_buildDTable (dt, counting, maxSymbolValue, tableLog); 1613| 0| if (FSEv06_isError(errorCode)) return errorCode; } ------------------ | | 1357| 0|#define FSEv06_isError ERR_isError ------------------ | Branch (1613:11): [True: 0, False: 0] ------------------ 1614| | 1615| 0| return FSEv06_decompress_usingDTable (dst, maxDstSize, ip, cSrcSize, dt); /* always return, even if it is an error code */ 1616| 0|} HUFv06_readDTableX4: 2272| 2|{ 2273| 2| BYTE weightList[HUFv06_MAX_SYMBOL_VALUE + 1]; 2274| 2| sortedSymbol_t sortedSymbol[HUFv06_MAX_SYMBOL_VALUE + 1]; 2275| 2| U32 rankStats[HUFv06_ABSOLUTEMAX_TABLELOG + 1] = { 0 }; 2276| 2| U32 rankStart0[HUFv06_ABSOLUTEMAX_TABLELOG + 2] = { 0 }; 2277| 2| U32* const rankStart = rankStart0+1; 2278| 2| rankVal_t rankVal; 2279| 2| U32 tableLog, maxW, sizeOfSort, nbSymbols; 2280| 2| const U32 memLog = DTable[0]; 2281| 2| size_t iSize; 2282| 2| void* dtPtr = DTable; 2283| 2| HUFv06_DEltX4* const dt = ((HUFv06_DEltX4*)dtPtr) + 1; 2284| | 2285| 2| HUFv06_STATIC_ASSERT(sizeof(HUFv06_DEltX4) == sizeof(U32)); /* if compilation fails here, assertion is false */ ------------------ | | 1929| 2|#define HUFv06_STATIC_ASSERT(c) { enum { HUFv06_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */ ------------------ 2286| 2| if (memLog > HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 1783| 2|#define HUFv06_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv06_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (memLog > HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2286:9): [True: 0, False: 2] ------------------ 2287| | /* memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */ 2288| | 2289| 2| iSize = HUFv06_readStats(weightList, HUFv06_MAX_SYMBOL_VALUE + 1, rankStats, &nbSymbols, &tableLog, src, srcSize); ------------------ | | 1786| 2|#define HUFv06_MAX_SYMBOL_VALUE 255 ------------------ 2290| 2| if (HUFv06_isError(iSize)) return iSize; ------------------ | Branch (2290:9): [True: 2, False: 0] ------------------ 2291| | 2292| | /* check result */ 2293| 0| if (tableLog > memLog) return ERROR(tableLog_tooLarge); /* DTable can't fit code depth */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2293:9): [True: 0, False: 0] ------------------ 2294| | 2295| | /* find maxWeight */ 2296| 0| for (maxW = tableLog; rankStats[maxW]==0; maxW--) {} /* necessarily finds a solution before 0 */ ------------------ | Branch (2296:27): [True: 0, False: 0] ------------------ 2297| | 2298| | /* Get start index of each weight */ 2299| 0| { U32 w, nextRankStart = 0; 2300| 0| for (w=1; w> consumed; 2337| 0| } } } } 2338| | 2339| 0| HUFv06_fillDTableX4(dt, memLog, 2340| 0| sortedSymbol, sizeOfSort, 2341| 0| rankStart0, rankVal, maxW, 2342| 0| tableLog+1); 2343| | 2344| 0| return iSize; 2345| 0|} HUFv06_decompress: 2590| 2|{ 2591| 2| static const decompressionAlgo decompress[3] = { HUFv06_decompress4X2, HUFv06_decompress4X4, NULL }; 2592| 2| U32 Dtime[3]; /* decompression time estimation */ 2593| | 2594| | /* validation checks */ 2595| 2| if (dstSize == 0) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2595:9): [True: 0, False: 2] ------------------ 2596| 2| if (cSrcSize > dstSize) return ERROR(corruption_detected); /* invalid */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2596:9): [True: 0, False: 2] ------------------ 2597| 2| if (cSrcSize == dstSize) { memcpy(dst, cSrc, dstSize); return dstSize; } /* not compressed */ ------------------ | Branch (2597:9): [True: 0, False: 2] ------------------ 2598| 2| if (cSrcSize == 1) { memset(dst, *(const BYTE*)cSrc, dstSize); return dstSize; } /* RLE */ ------------------ | Branch (2598:9): [True: 2, False: 0] ------------------ 2599| | 2600| | /* decoder timing evaluation */ 2601| 0| { U32 const Q = (U32)(cSrcSize * 16 / dstSize); /* Q < 16 since dstSize > cSrcSize */ 2602| 0| U32 const D256 = (U32)(dstSize >> 8); 2603| 0| U32 n; for (n=0; n<3; n++) ------------------ | Branch (2603:26): [True: 0, False: 0] ------------------ 2604| 0| Dtime[n] = algoTime[Q][n].tableTime + (algoTime[Q][n].decode256Time * D256); 2605| 0| } 2606| | 2607| 0| Dtime[1] += Dtime[1] >> 4; Dtime[2] += Dtime[2] >> 3; /* advantage to algorithms using less memory, for cache eviction */ 2608| | 2609| 0| { U32 algoNb = 0; 2610| 0| if (Dtime[1] < Dtime[0]) algoNb = 1; ------------------ | Branch (2610:13): [True: 0, False: 0] ------------------ 2611| | /* if (Dtime[2] < Dtime[algoNb]) algoNb = 2; */ /* current speed of HUFv06_decompress4X6 is not good */ 2612| 0| return decompress[algoNb](dst, dstSize, cSrc, cSrcSize); 2613| 2| } 2614| | 2615| | /* return HUFv06_decompress4X2(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams single-symbol decoding */ 2616| | /* return HUFv06_decompress4X4(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams double-symbols decoding */ 2617| | /* return HUFv06_decompress4X6(dst, dstSize, cSrc, cSrcSize); */ /* multi-streams quad-symbols decoding */ 2618| 2|} ZSTDv06_decompressBegin: 2774| 96|{ 2775| 96| dctx->expected = ZSTDv06_frameHeaderSize_min; 2776| 96| dctx->stage = ZSTDds_getFrameHeaderSize; 2777| 96| dctx->previousDstEnd = NULL; 2778| 96| dctx->base = NULL; 2779| 96| dctx->vBase = NULL; 2780| 96| dctx->dictEnd = NULL; 2781| 96| dctx->hufTableX4[0] = ZSTD_HUFFDTABLE_CAPACITY_LOG; ------------------ | | 426| 96|#define ZSTD_HUFFDTABLE_CAPACITY_LOG 12 ------------------ 2782| 96| dctx->flagRepeatTable = 0; 2783| 96| return 0; 2784| 96|} ZSTDv06_createDCtx: 2787| 48|{ 2788| 48| ZSTDv06_DCtx* dctx = (ZSTDv06_DCtx*)malloc(sizeof(ZSTDv06_DCtx)); 2789| 48| if (dctx==NULL) return NULL; ------------------ | Branch (2789:9): [True: 0, False: 48] ------------------ 2790| 48| ZSTDv06_decompressBegin(dctx); 2791| 48| return dctx; 2792| 48|} ZSTDv06_freeDCtx: 2795| 48|{ 2796| 48| free(dctx); 2797| 48| return 0; /* reserved as a potential error code in the future */ 2798| 48|} ZSTDv06_getFrameParams: 2925| 49|{ 2926| 49| const BYTE* ip = (const BYTE*)src; 2927| | 2928| 49| if (srcSize < ZSTDv06_frameHeaderSize_min) return ZSTDv06_frameHeaderSize_min; ------------------ | Branch (2928:9): [True: 0, False: 49] ------------------ 2929| 49| if (MEM_readLE32(src) != ZSTDv06_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 164| 49|#define ZSTDv06_MAGICNUMBER 0xFD2FB526 /* v0.6 */ ------------------ if (MEM_readLE32(src) != ZSTDv06_MAGICNUMBER) return ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2929:9): [True: 0, False: 49] ------------------ 2930| | 2931| | /* ensure there is enough `srcSize` to fully read/decode frame header */ 2932| 49| { size_t const fhsize = ZSTDv06_frameHeaderSize(src, srcSize); 2933| 49| if (srcSize < fhsize) return fhsize; } ------------------ | Branch (2933:11): [True: 0, False: 49] ------------------ 2934| | 2935| 49| memset(fparamsPtr, 0, sizeof(*fparamsPtr)); 2936| 49| { BYTE const frameDesc = ip[4]; 2937| 49| fparamsPtr->windowLog = (frameDesc & 0xF) + ZSTDv06_WINDOWLOG_ABSOLUTEMIN; ------------------ | | 416| 49|#define ZSTDv06_WINDOWLOG_ABSOLUTEMIN 12 ------------------ 2938| 49| if ((frameDesc & 0x20) != 0) return ERROR(frameParameter_unsupported); /* reserved 1 bit */ ------------------ | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2938:13): [True: 8, False: 41] ------------------ 2939| 41| switch(frameDesc >> 6) /* fcsId */ 2940| 41| { 2941| 0| default: /* impossible */ ------------------ | Branch (2941:13): [True: 0, False: 41] ------------------ 2942| 41| case 0 : fparamsPtr->frameContentSize = 0; break; ------------------ | Branch (2942:13): [True: 41, False: 0] ------------------ 2943| 0| case 1 : fparamsPtr->frameContentSize = ip[5]; break; ------------------ | Branch (2943:13): [True: 0, False: 41] ------------------ 2944| 0| case 2 : fparamsPtr->frameContentSize = MEM_readLE16(ip+5)+256; break; ------------------ | Branch (2944:13): [True: 0, False: 41] ------------------ 2945| 0| case 3 : fparamsPtr->frameContentSize = MEM_readLE64(ip+5); break; ------------------ | Branch (2945:13): [True: 0, False: 41] ------------------ 2946| 41| } } 2947| 41| return 0; 2948| 41|} ZSTDv06_decompress_usingDict: 3581| 48|{ 3582| 48| ZSTDv06_decompressBegin_usingDict(dctx, dict, dictSize); 3583| 48| ZSTDv06_checkContinuity(dctx, dst); 3584| 48| return ZSTDv06_decompressFrame(dctx, dst, dstCapacity, src, srcSize); 3585| 48|} ZSTDv06_findFrameSizeInfoLegacy: 3618| 49|{ 3619| 49| const BYTE* ip = (const BYTE*)src; 3620| 49| size_t remainingSize = srcSize; 3621| 49| size_t nbBlocks = 0; 3622| 49| blockProperties_t blockProperties = { bt_compressed, 0 }; 3623| | 3624| | /* Frame Header */ 3625| 49| { size_t const frameHeaderSize = ZSTDv06_frameHeaderSize(src, srcSize); 3626| 49| if (ZSTDv06_isError(frameHeaderSize)) { ------------------ | | 2731| 49|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3626:13): [True: 0, False: 49] ------------------ 3627| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, frameHeaderSize); 3628| 0| return; 3629| 0| } 3630| 49| if (MEM_readLE32(src) != ZSTDv06_MAGICNUMBER) { ------------------ | | 164| 49|#define ZSTDv06_MAGICNUMBER 0xFD2FB526 /* v0.6 */ ------------------ | Branch (3630:13): [True: 0, False: 49] ------------------ 3631| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(prefix_unknown)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3632| 0| return; 3633| 0| } 3634| 49| if (srcSize < frameHeaderSize+ZSTDv06_blockHeaderSize) { ------------------ | Branch (3634:13): [True: 0, False: 49] ------------------ 3635| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3636| 0| return; 3637| 0| } 3638| 49| ip += frameHeaderSize; remainingSize -= frameHeaderSize; 3639| 49| } 3640| | 3641| | /* Loop on each block */ 3642| 223| while (1) { ------------------ | Branch (3642:12): [True: 223, Folded] ------------------ 3643| 223| size_t const cBlockSize = ZSTDv06_getcBlockSize(ip, remainingSize, &blockProperties); 3644| 223| if (ZSTDv06_isError(cBlockSize)) { ------------------ | | 2731| 223|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3644:13): [True: 0, False: 223] ------------------ 3645| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, cBlockSize); 3646| 0| return; 3647| 0| } 3648| | 3649| 223| ip += ZSTDv06_blockHeaderSize; 3650| 223| remainingSize -= ZSTDv06_blockHeaderSize; 3651| 223| if (cBlockSize > remainingSize) { ------------------ | Branch (3651:13): [True: 1, False: 222] ------------------ 3652| 1| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3653| 1| return; 3654| 1| } 3655| | 3656| 222| if (cBlockSize == 0) break; /* bt_end */ ------------------ | Branch (3656:13): [True: 48, False: 174] ------------------ 3657| | 3658| 174| ip += cBlockSize; 3659| 174| remainingSize -= cBlockSize; 3660| 174| nbBlocks++; 3661| 174| } 3662| | 3663| 48| *cSize = ip - (const BYTE*)src; 3664| 48| *dBound = nbBlocks * ZSTDv06_BLOCKSIZE_MAX; ------------------ | | 344| 48|#define ZSTDv06_BLOCKSIZE_MAX (128 * 1024) /* define, for static allocation */ ------------------ 3665| 48|} ZSTDv06_decompressBegin_usingDict: 3827| 48|{ 3828| 48| { size_t const errorCode = ZSTDv06_decompressBegin(dctx); 3829| 48| if (ZSTDv06_isError(errorCode)) return errorCode; } ------------------ | | 2731| 48|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3829:11): [True: 0, False: 48] ------------------ 3830| | 3831| 48| if (dict && dictSize) { ------------------ | Branch (3831:9): [True: 48, False: 0] | Branch (3831:17): [True: 33, False: 15] ------------------ 3832| 33| size_t const errorCode = ZSTDv06_decompress_insertDictionary(dctx, dict, dictSize); 3833| 33| if (ZSTDv06_isError(errorCode)) return ERROR(dictionary_corrupted); ------------------ | | 2731| 33|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv06_isError(errorCode)) return ERROR(dictionary_corrupted); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3833:13): [True: 2, False: 31] ------------------ 3834| 33| } 3835| | 3836| 46| return 0; 3837| 48|} zstd_v06.c:MEM_readLE32: 190| 393|{ 191| 393| if (MEM_isLittleEndian()) ------------------ | Branch (191:9): [True: 393, False: 0] ------------------ 192| 393| return MEM_read32(memPtr); 193| 0| else 194| 0| return MEM_swap32(MEM_read32(memPtr)); 195| 393|} zstd_v06.c:MEM_isLittleEndian: 108| 724|{ 109| 724| const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 110| 724| return one.c[0]; 111| 724|} zstd_v06.c:MEM_read32: 119| 393|{ 120| 393| U32 val; memcpy(&val, memPtr, sizeof(val)); return val; 121| 393|} zstd_v06.c:FSEv06_abs: 1205| 220|static short FSEv06_abs(short a) { return a<0 ? -a : a; } ------------------ | Branch (1205:43): [True: 79, False: 141] ------------------ zstd_v06.c:BITv06_highbit32: 802| 4.26k|{ 803| |# if defined(_MSC_VER) /* Visual */ 804| | unsigned long r; 805| | return _BitScanReverse(&r, val) ? (unsigned)r : 0; 806| |# elif defined(__GNUC__) && (__GNUC__ >= 3) /* Use GCC Intrinsic */ 807| | return __builtin_clz (val) ^ 31; 808| |# else /* Software version */ 809| | static const unsigned DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31 }; 810| | U32 v = val; 811| | unsigned r; 812| | v |= v >> 1; 813| | v |= v >> 2; 814| | v |= v >> 4; 815| | v |= v >> 8; 816| | v |= v >> 16; 817| | r = DeBruijnClz[ (U32) (v * 0x07C4ACDDU) >> 27]; 818| | return r; 819| |# endif 820| 4.26k|} zstd_v06.c:FSEv06_initDState: 1053| 108|{ 1054| 108| const void* ptr = dt; 1055| 108| const FSEv06_DTableHeader* const DTableH = (const FSEv06_DTableHeader*)ptr; 1056| 108| DStatePtr->state = BITv06_readBits(bitD, DTableH->tableLog); 1057| 108| BITv06_reloadDStream(bitD); 1058| 108| DStatePtr->table = dt + 1; 1059| 108|} zstd_v06.c:BITv06_readBits: 888| 1.61k|{ 889| 1.61k| size_t const value = BITv06_lookBits(bitD, nbBits); 890| 1.61k| BITv06_skipBits(bitD, nbBits); 891| 1.61k| return value; 892| 1.61k|} zstd_v06.c:BITv06_lookBits: 869| 1.61k|{ 870| 1.61k| U32 const bitMask = sizeof(bitD->bitContainer)*8 - 1; 871| 1.61k| return ((bitD->bitContainer << (bitD->bitsConsumed & bitMask)) >> 1) >> ((bitMask-nbBits) & bitMask); 872| 1.61k|} zstd_v06.c:BITv06_skipBits: 883| 1.61k|{ 884| 1.61k| bitD->bitsConsumed += nbBits; 885| 1.61k|} zstd_v06.c:HUFv06_readStats: 1801| 2|{ 1802| 2| U32 weightTotal; 1803| 2| const BYTE* ip = (const BYTE*) src; 1804| 2| size_t iSize; 1805| 2| size_t oSize; 1806| | 1807| 2| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1807:9): [True: 0, False: 2] ------------------ 1808| 2| iSize = ip[0]; 1809| | /* memset(huffWeight, 0, hwSize); */ /* is not necessary, even though some analyzer complain ... */ 1810| | 1811| 2| if (iSize >= 128) { /* special header */ ------------------ | Branch (1811:9): [True: 1, False: 1] ------------------ 1812| 1| if (iSize >= (242)) { /* RLE */ ------------------ | Branch (1812:13): [True: 0, False: 1] ------------------ 1813| 0| static U32 l[14] = { 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 127, 128 }; 1814| 0| oSize = l[iSize-242]; 1815| 0| memset(huffWeight, 1, hwSize); 1816| 0| iSize = 0; 1817| 0| } 1818| 1| else { /* Incompressible */ 1819| 1| oSize = iSize - 127; 1820| 1| iSize = ((oSize+1)/2); 1821| 1| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1821:17): [True: 0, False: 1] ------------------ 1822| 1| if (oSize >= hwSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1822:17): [True: 0, False: 1] ------------------ 1823| 1| ip += 1; 1824| 1| { U32 n; 1825| 3| for (n=0; n> 4; 1827| 2| huffWeight[n+1] = ip[n/2] & 15; 1828| 2| } } } } 1829| 1| else { /* header compressed with FSE (normal case) */ 1830| 1| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1830:13): [True: 0, False: 1] ------------------ 1831| 1| oSize = FSEv06_decompress(huffWeight, hwSize-1, ip+1, iSize); /* max (hwSize-1) values decoded, as last one is implied */ 1832| 1| if (FSEv06_isError(oSize)) return oSize; ------------------ | | 1357| 1|#define FSEv06_isError ERR_isError ------------------ | Branch (1832:13): [True: 1, False: 0] ------------------ 1833| 1| } 1834| | 1835| | /* collect weight stats */ 1836| 1| memset(rankStats, 0, (HUFv06_ABSOLUTEMAX_TABLELOG + 1) * sizeof(U32)); ------------------ | | 1783| 1|#define HUFv06_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv06_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ 1837| 1| weightTotal = 0; 1838| 4| { U32 n; for (n=0; n= HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 1783| 3|#define HUFv06_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv06_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (huffWeight[n] >= HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1839:17): [True: 0, False: 3] ------------------ 1840| 3| rankStats[huffWeight[n]]++; 1841| 3| weightTotal += (1 << huffWeight[n]) >> 1; 1842| 3| } } 1843| 1| if (weightTotal == 0) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1843:9): [True: 0, False: 1] ------------------ 1844| | 1845| | /* get last non-null symbol weight (implied, total must be 2^n) */ 1846| 1| { U32 const tableLog = BITv06_highbit32(weightTotal) + 1; 1847| 1| if (tableLog > HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 1783| 1|#define HUFv06_ABSOLUTEMAX_TABLELOG 16 /* absolute limit of HUFv06_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (tableLog > HUFv06_ABSOLUTEMAX_TABLELOG) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1847:13): [True: 0, False: 1] ------------------ 1848| 1| *tableLogPtr = tableLog; 1849| | /* determine last weight */ 1850| 1| { U32 const total = 1 << tableLog; 1851| 1| U32 const rest = total - weightTotal; 1852| 1| U32 const verif = 1 << BITv06_highbit32(rest); 1853| 1| U32 const lastWeight = BITv06_highbit32(rest) + 1; 1854| 1| if (verif != rest) return ERROR(corruption_detected); /* last value must be a clean power of 2 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1854:17): [True: 0, False: 1] ------------------ 1855| 1| huffWeight[oSize] = (BYTE)lastWeight; 1856| 1| rankStats[lastWeight]++; 1857| 1| } } 1858| | 1859| | /* check tree construction validity */ 1860| 1| if ((rankStats[1] < 2) || (rankStats[1] & 1)) return ERROR(corruption_detected); /* by construction : at least 2 elts of rank 1, must be even */ ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1860:9): [True: 1, False: 0] | Branch (1860:31): [True: 0, False: 0] ------------------ 1861| | 1862| | /* results */ 1863| 0| *nbSymbolsPtr = (U32)(oSize+1); 1864| 0| return iSize+1; 1865| 1|} zstd_v06.c:HUFv06_isError: 1199| 2|static unsigned HUFv06_isError(size_t code) { return ERR_isError(code); } zstd_v06.c:BITv06_initDStream: 834| 36|{ 835| 36| if (srcSize < 1) { memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (835:9): [True: 0, False: 36] ------------------ 836| | 837| 36| if (srcSize >= sizeof(bitD->bitContainer)) { /* normal case */ ------------------ | Branch (837:9): [True: 36, False: 0] ------------------ 838| 36| bitD->start = (const char*)srcBuffer; 839| 36| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(bitD->bitContainer); 840| 36| bitD->bitContainer = MEM_readLEST(bitD->ptr); 841| 36| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 842| 36| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (842:15): [True: 0, False: 36] ------------------ 843| 36| bitD->bitsConsumed = 8 - BITv06_highbit32(lastByte); } 844| 36| } else { 845| 0| bitD->start = (const char*)srcBuffer; 846| 0| bitD->ptr = bitD->start; 847| 0| bitD->bitContainer = *(const BYTE*)(bitD->start); 848| 0| switch(srcSize) 849| 0| { 850| 0| case 7: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[6]) << (sizeof(bitD->bitContainer)*8 - 16);/* fall-through */ ------------------ | Branch (850:13): [True: 0, False: 0] ------------------ 851| 0| case 6: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[5]) << (sizeof(bitD->bitContainer)*8 - 24);/* fall-through */ ------------------ | Branch (851:13): [True: 0, False: 0] ------------------ 852| 0| case 5: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[4]) << (sizeof(bitD->bitContainer)*8 - 32);/* fall-through */ ------------------ | Branch (852:13): [True: 0, False: 0] ------------------ 853| 0| case 4: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[3]) << 24; /* fall-through */ ------------------ | Branch (853:13): [True: 0, False: 0] ------------------ 854| 0| case 3: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[2]) << 16; /* fall-through */ ------------------ | Branch (854:13): [True: 0, False: 0] ------------------ 855| 0| case 2: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[1]) << 8; /* fall-through */ ------------------ | Branch (855:13): [True: 0, False: 0] ------------------ 856| 0| default: break; ------------------ | Branch (856:13): [True: 0, False: 0] ------------------ 857| 0| } 858| 0| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 859| 0| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (859:15): [True: 0, False: 0] ------------------ 860| 0| bitD->bitsConsumed = 8 - BITv06_highbit32(lastByte); } 861| 0| bitD->bitsConsumed += (U32)(sizeof(bitD->bitContainer) - srcSize)*8; 862| 0| } 863| | 864| 36| return srcSize; 865| 36|} zstd_v06.c:MEM_readLEST: 208| 330|{ 209| 330| if (MEM_32bits()) ------------------ | Branch (209:9): [True: 0, False: 330] ------------------ 210| 0| return (size_t)MEM_readLE32(memPtr); 211| 330| else 212| 330| return (size_t)MEM_readLE64(memPtr); 213| 330|} zstd_v06.c:MEM_32bits: 104| 1.68k|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } zstd_v06.c:MEM_readLE16: 169| 1|{ 170| 1| if (MEM_isLittleEndian()) ------------------ | Branch (170:9): [True: 1, False: 0] ------------------ 171| 1| return MEM_read16(memPtr); 172| 0| else { 173| 0| const BYTE* p = (const BYTE*)memPtr; 174| 0| return (U16)(p[0] + (p[1]<<8)); 175| 0| } 176| 1|} zstd_v06.c:MEM_read16: 114| 1|{ 115| 1| U16 val; memcpy(&val, memPtr, sizeof(val)); return val; 116| 1|} zstd_v06.c:BITv06_reloadDStream: 904| 495|{ 905| 495| if (bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8)) /* should never happen */ ------------------ | Branch (905:9): [True: 7, False: 488] ------------------ 906| 7| return BITv06_DStream_overflow; 907| | 908| 488| if (bitD->ptr >= bitD->start + sizeof(bitD->bitContainer)) { ------------------ | Branch (908:9): [True: 48, False: 440] ------------------ 909| 48| bitD->ptr -= bitD->bitsConsumed >> 3; 910| 48| bitD->bitsConsumed &= 7; 911| 48| bitD->bitContainer = MEM_readLEST(bitD->ptr); 912| 48| return BITv06_DStream_unfinished; 913| 48| } 914| 440| if (bitD->ptr == bitD->start) { ------------------ | Branch (914:9): [True: 194, False: 246] ------------------ 915| 194| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BITv06_DStream_endOfBuffer; ------------------ | Branch (915:13): [True: 193, False: 1] ------------------ 916| 1| return BITv06_DStream_completed; 917| 194| } 918| 246| { U32 nbBytes = bitD->bitsConsumed >> 3; 919| 246| BITv06_DStream_status result = BITv06_DStream_unfinished; 920| 246| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (920:13): [True: 8, False: 238] ------------------ 921| 8| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 922| 8| result = BITv06_DStream_endOfBuffer; 923| 8| } 924| 246| bitD->ptr -= nbBytes; 925| 246| bitD->bitsConsumed -= nbBytes*8; 926| 246| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD) */ 927| 246| return result; 928| 440| } 929| 440|} zstd_v06.c:ZSTDv06_frameHeaderSize: 2912| 146|{ 2913| 146| if (srcSize < ZSTDv06_frameHeaderSize_min) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2913:9): [True: 0, False: 146] ------------------ 2914| 146| { U32 const fcsId = (((const BYTE*)src)[4]) >> 6; 2915| 146| return ZSTDv06_frameHeaderSize_min + ZSTDv06_fcs_fieldSize[fcsId]; } 2916| 146|} zstd_v06.c:MEM_readLE64: 199| 330|{ 200| 330| if (MEM_isLittleEndian()) ------------------ | Branch (200:9): [True: 330, False: 0] ------------------ 201| 330| return MEM_read64(memPtr); 202| 0| else 203| 0| return MEM_swap64(MEM_read64(memPtr)); 204| 330|} zstd_v06.c:MEM_read64: 124| 330|{ 125| 330| U64 val; memcpy(&val, memPtr, sizeof(val)); return val; 126| 330|} zstd_v06.c:ZSTDv06_checkContinuity: 3465| 48|{ 3466| 48| if (dst != dctx->previousDstEnd) { /* not contiguous */ ------------------ | Branch (3466:9): [True: 48, False: 0] ------------------ 3467| 48| dctx->dictEnd = dctx->previousDstEnd; 3468| 48| dctx->vBase = (const char*)dst - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 3469| 48| dctx->base = dst; 3470| 48| dctx->previousDstEnd = dst; 3471| 48| } 3472| 48|} zstd_v06.c:ZSTDv06_decompressBlock_internal: 3478| 37|{ /* blockType == blockCompressed */ 3479| 37| const BYTE* ip = (const BYTE*)src; 3480| | 3481| 37| if (srcSize >= ZSTDv06_BLOCKSIZE_MAX) return ERROR(srcSize_wrong); ------------------ | | 344| 37|#define ZSTDv06_BLOCKSIZE_MAX (128 * 1024) /* define, for static allocation */ ------------------ if (srcSize >= ZSTDv06_BLOCKSIZE_MAX) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3481:9): [True: 0, False: 37] ------------------ 3482| | 3483| | /* Decode literals sub-block */ 3484| 37| { size_t const litCSize = ZSTDv06_decodeLiteralsBlock(dctx, src, srcSize); 3485| 37| if (ZSTDv06_isError(litCSize)) return litCSize; ------------------ | | 2731| 37|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3485:13): [True: 0, False: 37] ------------------ 3486| 37| ip += litCSize; 3487| 37| srcSize -= litCSize; 3488| 37| } 3489| 0| return ZSTDv06_decompressSequences(dctx, dst, dstCapacity, ip, srcSize); 3490| 37|} zstd_v06.c:ZSTDv06_decodeLiteralsBlock: 3000| 37|{ 3001| 37| const BYTE* const istart = (const BYTE*) src; 3002| | 3003| | /* any compressed block with literals segment must be at least this size */ 3004| 37| if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 424| 37|#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */ | | ------------------ | | | | 423| 37|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ | | ------------------ ------------------ if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3004:9): [True: 0, False: 37] ------------------ 3005| | 3006| 37| switch(istart[0]>> 6) 3007| 37| { 3008| 2| case IS_HUF: ------------------ | | 428| 2|#define IS_HUF 0 ------------------ | Branch (3008:5): [True: 2, False: 35] ------------------ 3009| 2| { size_t litSize, litCSize, singleStream=0; 3010| 2| U32 lhSize = ((istart[0]) >> 4) & 3; 3011| 2| if (srcSize < 5) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need up to 5 for lhSize, + cSize (+nbSeq) */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3011:17): [True: 0, False: 2] ------------------ 3012| 2| switch(lhSize) 3013| 2| { 3014| 2| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3014:13): [True: 2, False: 0] | Branch (3014:21): [True: 0, False: 2] | Branch (3014:29): [True: 0, False: 2] ------------------ 3015| | /* 2 - 2 - 10 - 10 */ 3016| 2| lhSize=3; 3017| 2| singleStream = istart[0] & 16; 3018| 2| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 3019| 2| litCSize = ((istart[1] & 3) << 8) + istart[2]; 3020| 2| break; 3021| 0| case 2: ------------------ | Branch (3021:13): [True: 0, False: 2] ------------------ 3022| | /* 2 - 2 - 14 - 14 */ 3023| 0| lhSize=4; 3024| 0| litSize = ((istart[0] & 15) << 10) + (istart[1] << 2) + (istart[2] >> 6); 3025| 0| litCSize = ((istart[2] & 63) << 8) + istart[3]; 3026| 0| break; 3027| 0| case 3: ------------------ | Branch (3027:13): [True: 0, False: 2] ------------------ 3028| | /* 2 - 2 - 18 - 18 */ 3029| 0| lhSize=5; 3030| 0| litSize = ((istart[0] & 15) << 14) + (istart[1] << 6) + (istart[2] >> 2); 3031| 0| litCSize = ((istart[2] & 3) << 16) + (istart[3] << 8) + istart[4]; 3032| 0| break; 3033| 2| } 3034| 2| if (litSize > ZSTDv06_BLOCKSIZE_MAX) return ERROR(corruption_detected); ------------------ | | 344| 2|#define ZSTDv06_BLOCKSIZE_MAX (128 * 1024) /* define, for static allocation */ ------------------ if (litSize > ZSTDv06_BLOCKSIZE_MAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3034:17): [True: 0, False: 2] ------------------ 3035| 2| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3035:17): [True: 0, False: 2] ------------------ 3036| | 3037| 2| if (HUFv06_isError(singleStream ? ------------------ | | 2733| 2|#define HUFv06_isError ERR_isError ------------------ | Branch (3037:17): [True: 0, False: 2] | Branch (3037:32): [True: 0, False: 2] ------------------ 3038| 0| HUFv06_decompress1X2(dctx->litBuffer, litSize, istart+lhSize, litCSize) : 3039| 2| HUFv06_decompress (dctx->litBuffer, litSize, istart+lhSize, litCSize) )) 3040| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3041| | 3042| 2| dctx->litPtr = dctx->litBuffer; 3043| 2| dctx->litSize = litSize; 3044| 2| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 487| 2|#define WILDCOPY_OVERLENGTH 8 ------------------ 3045| 2| return litCSize + lhSize; 3046| 2| } 3047| 0| case IS_PCH: ------------------ | | 429| 0|#define IS_PCH 1 ------------------ | Branch (3047:5): [True: 0, False: 37] ------------------ 3048| 0| { size_t litSize, litCSize; 3049| 0| U32 lhSize = ((istart[0]) >> 4) & 3; 3050| 0| if (lhSize != 1) /* only case supported for now : small litSize, single stream */ ------------------ | Branch (3050:17): [True: 0, False: 0] ------------------ 3051| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3052| 0| if (!dctx->flagRepeatTable) ------------------ | Branch (3052:17): [True: 0, False: 0] ------------------ 3053| 0| return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3054| | 3055| | /* 2 - 2 - 10 - 10 */ 3056| 0| lhSize=3; 3057| 0| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 3058| 0| litCSize = ((istart[1] & 3) << 8) + istart[2]; 3059| 0| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3059:17): [True: 0, False: 0] ------------------ 3060| | 3061| 0| { size_t const errorCode = HUFv06_decompress1X4_usingDTable(dctx->litBuffer, litSize, istart+lhSize, litCSize, dctx->hufTableX4); 3062| 0| if (HUFv06_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 2733| 0|#define HUFv06_isError ERR_isError ------------------ if (HUFv06_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3062:21): [True: 0, False: 0] ------------------ 3063| 0| } 3064| 0| dctx->litPtr = dctx->litBuffer; 3065| 0| dctx->litSize = litSize; 3066| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 487| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 3067| 0| return litCSize + lhSize; 3068| 0| } 3069| 0| case IS_RAW: ------------------ | | 430| 0|#define IS_RAW 2 ------------------ | Branch (3069:5): [True: 0, False: 37] ------------------ 3070| 0| { size_t litSize; 3071| 0| U32 lhSize = ((istart[0]) >> 4) & 3; 3072| 0| switch(lhSize) 3073| 0| { 3074| 0| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3074:13): [True: 0, False: 0] | Branch (3074:21): [True: 0, False: 0] | Branch (3074:29): [True: 0, False: 0] ------------------ 3075| 0| lhSize=1; 3076| 0| litSize = istart[0] & 31; 3077| 0| break; 3078| 0| case 2: ------------------ | Branch (3078:13): [True: 0, False: 0] ------------------ 3079| 0| litSize = ((istart[0] & 15) << 8) + istart[1]; 3080| 0| break; 3081| 0| case 3: ------------------ | Branch (3081:13): [True: 0, False: 0] ------------------ 3082| 0| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 3083| 0| break; 3084| 0| } 3085| | 3086| 0| if (lhSize+litSize+WILDCOPY_OVERLENGTH > srcSize) { /* risk reading beyond src buffer with wildcopy */ ------------------ | | 487| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ | Branch (3086:17): [True: 0, False: 0] ------------------ 3087| 0| if (litSize+lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3087:21): [True: 0, False: 0] ------------------ 3088| 0| memcpy(dctx->litBuffer, istart+lhSize, litSize); 3089| 0| dctx->litPtr = dctx->litBuffer; 3090| 0| dctx->litSize = litSize; 3091| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 487| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 3092| 0| return lhSize+litSize; 3093| 0| } 3094| | /* direct reference into compressed stream */ 3095| 0| dctx->litPtr = istart+lhSize; 3096| 0| dctx->litSize = litSize; 3097| 0| return lhSize+litSize; 3098| 0| } 3099| 35| case IS_RLE: ------------------ | | 431| 35|#define IS_RLE 3 ------------------ | Branch (3099:5): [True: 35, False: 2] ------------------ 3100| 35| { size_t litSize; 3101| 35| U32 lhSize = ((istart[0]) >> 4) & 3; 3102| 35| switch(lhSize) 3103| 35| { 3104| 5| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3104:13): [True: 4, False: 31] | Branch (3104:21): [True: 1, False: 34] | Branch (3104:29): [True: 0, False: 35] ------------------ 3105| 5| lhSize = 1; 3106| 5| litSize = istart[0] & 31; 3107| 5| break; 3108| 20| case 2: ------------------ | Branch (3108:13): [True: 20, False: 15] ------------------ 3109| 20| litSize = ((istart[0] & 15) << 8) + istart[1]; 3110| 20| break; 3111| 10| case 3: ------------------ | Branch (3111:13): [True: 10, False: 25] ------------------ 3112| 10| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 3113| 10| if (srcSize<4) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need lhSize+1 = 4 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3113:21): [True: 0, False: 10] ------------------ 3114| 10| break; 3115| 35| } 3116| 35| if (litSize > ZSTDv06_BLOCKSIZE_MAX) return ERROR(corruption_detected); ------------------ | | 344| 35|#define ZSTDv06_BLOCKSIZE_MAX (128 * 1024) /* define, for static allocation */ ------------------ if (litSize > ZSTDv06_BLOCKSIZE_MAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3116:17): [True: 0, False: 35] ------------------ 3117| 35| memset(dctx->litBuffer, istart[lhSize], litSize + WILDCOPY_OVERLENGTH); ------------------ | | 487| 35|#define WILDCOPY_OVERLENGTH 8 ------------------ 3118| 35| dctx->litPtr = dctx->litBuffer; 3119| 35| dctx->litSize = litSize; 3120| 35| return lhSize+1; 3121| 35| } 3122| 0| default: ------------------ | Branch (3122:5): [True: 0, False: 37] ------------------ 3123| 0| return ERROR(corruption_detected); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3124| 37| } 3125| 37|} zstd_v06.c:ZSTDv06_decompressSequences: 3391| 37|{ 3392| 37| const BYTE* ip = (const BYTE*)seqStart; 3393| 37| const BYTE* const iend = ip + seqSize; 3394| 37| BYTE* const ostart = (BYTE*)dst; 3395| 37| BYTE* const oend = ostart + maxDstSize; 3396| 37| BYTE* op = ostart; 3397| 37| const BYTE* litPtr = dctx->litPtr; 3398| 37| const BYTE* const litEnd = litPtr + dctx->litSize; 3399| 37| FSEv06_DTable* DTableLL = dctx->LLTable; 3400| 37| FSEv06_DTable* DTableML = dctx->MLTable; 3401| 37| FSEv06_DTable* DTableOffb = dctx->OffTable; 3402| 37| const BYTE* const base = (const BYTE*) (dctx->base); 3403| 37| const BYTE* const vBase = (const BYTE*) (dctx->vBase); 3404| 37| const BYTE* const dictEnd = (const BYTE*) (dctx->dictEnd); 3405| 37| int nbSeq; 3406| | 3407| | /* Build Decoding Tables */ 3408| 37| { size_t const seqHSize = ZSTDv06_decodeSeqHeaders(&nbSeq, DTableLL, DTableML, DTableOffb, dctx->flagRepeatTable, ip, seqSize); 3409| 37| if (ZSTDv06_isError(seqHSize)) return seqHSize; ------------------ | | 2731| 37|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3409:13): [True: 1, False: 36] ------------------ 3410| 36| ip += seqHSize; 3411| 36| dctx->flagRepeatTable = 0; 3412| 36| } 3413| | 3414| | /* Regen sequences */ 3415| 36| if (nbSeq) { ------------------ | Branch (3415:9): [True: 36, False: 0] ------------------ 3416| 36| seq_t sequence; 3417| 36| seqState_t seqState; 3418| | 3419| 36| memset(&sequence, 0, sizeof(sequence)); 3420| 36| sequence.offset = REPCODE_STARTVALUE; ------------------ | | 437| 36|#define REPCODE_STARTVALUE 1 ------------------ 3421| 144| { U32 i; for (i=0; i= 5810037) && (pos < 5810400)) 3437| | printf("Dpos %6u :%5u literals & match %3u bytes at distance %6u \n", 3438| | pos, (U32)sequence.litLength, (U32)sequence.matchLength, (U32)sequence.offset); 3439| |#endif 3440| | 3441| 378| { size_t const oneSeqSize = ZSTDv06_execSequence(op, oend, sequence, &litPtr, litEnd, base, vBase, dictEnd); 3442| 378| if (ZSTDv06_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 2731| 378|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3442:21): [True: 28, False: 350] ------------------ 3443| 350| op += oneSeqSize; 3444| 350| } } 3445| | 3446| | /* check if reached exact end */ 3447| 8| if (nbSeq) return ERROR(corruption_detected); ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3447:13): [True: 7, False: 1] ------------------ 3448| 8| } 3449| | 3450| | /* last literal segment */ 3451| 1| { size_t const lastLLSize = litEnd - litPtr; 3452| 1| if (litPtr > litEnd) return ERROR(corruption_detected); /* too many literals already used */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3452:13): [True: 0, False: 1] ------------------ 3453| 1| if (op+lastLLSize > oend) return ERROR(dstSize_tooSmall); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3453:13): [True: 1, False: 0] ------------------ 3454| 0| if (lastLLSize > 0) { ------------------ | Branch (3454:13): [True: 0, False: 0] ------------------ 3455| 0| memcpy(op, litPtr, lastLLSize); 3456| 0| op += lastLLSize; 3457| 0| } 3458| 0| } 3459| | 3460| 0| return op-ostart; 3461| 1|} zstd_v06.c:ZSTDv06_decodeSeqHeaders: 3165| 37|{ 3166| 37| const BYTE* const istart = (const BYTE*)src; 3167| 37| const BYTE* const iend = istart + srcSize; 3168| 37| const BYTE* ip = istart; 3169| | 3170| | /* check */ 3171| 37| if (srcSize < MIN_SEQUENCES_SIZE) return ERROR(srcSize_wrong); ------------------ | | 423| 37|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ ------------------ if (srcSize < MIN_SEQUENCES_SIZE) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3171:9): [True: 0, False: 37] ------------------ 3172| | 3173| | /* SeqHead */ 3174| 37| { int nbSeq = *ip++; 3175| 37| if (!nbSeq) { *nbSeqPtr=0; return 1; } ------------------ | Branch (3175:13): [True: 0, False: 37] ------------------ 3176| 37| if (nbSeq > 0x7F) { ------------------ | Branch (3176:13): [True: 24, False: 13] ------------------ 3177| 24| if (nbSeq == 0xFF) { ------------------ | Branch (3177:17): [True: 1, False: 23] ------------------ 3178| 1| if (ip+2 > iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3178:21): [True: 0, False: 1] ------------------ 3179| 1| nbSeq = MEM_readLE16(ip) + LONGNBSEQ, ip+=2; ------------------ | | 433| 1|#define LONGNBSEQ 0x7F00 ------------------ 3180| 23| } else { 3181| 23| if (ip >= iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3181:21): [True: 0, False: 23] ------------------ 3182| 23| nbSeq = ((nbSeq-0x80)<<8) + *ip++; 3183| 23| } 3184| 24| } 3185| 37| *nbSeqPtr = nbSeq; 3186| 37| } 3187| | 3188| | /* FSE table descriptors */ 3189| 37| if (ip + 4 > iend) return ERROR(srcSize_wrong); /* min : header byte + all 3 are "raw", hence no header, but at least xxLog bits per type */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3189:9): [True: 0, False: 37] ------------------ 3190| 37| { U32 const LLtype = *ip >> 6; 3191| 37| U32 const Offtype = (*ip >> 4) & 3; 3192| 37| U32 const MLtype = (*ip >> 2) & 3; 3193| 37| ip++; 3194| | 3195| | /* Build DTables */ 3196| 37| { size_t const bhSize = ZSTDv06_buildSeqTable(DTableLL, LLtype, MaxLL, LLFSELog, ip, iend-ip, LL_defaultNorm, LL_defaultNormLog, flagRepeatTable); ------------------ | | 442| 37|#define MaxLL 35 ------------------ { size_t const bhSize = ZSTDv06_buildSeqTable(DTableLL, LLtype, MaxLL, LLFSELog, ip, iend-ip, LL_defaultNorm, LL_defaultNormLog, flagRepeatTable); ------------------ | | 446| 37|#define LLFSELog 9 ------------------ 3197| 37| if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 2731| 37|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3197:17): [True: 1, False: 36] ------------------ 3198| 36| ip += bhSize; 3199| 36| } 3200| 36| { size_t const bhSize = ZSTDv06_buildSeqTable(DTableOffb, Offtype, MaxOff, OffFSELog, ip, iend-ip, OF_defaultNorm, OF_defaultNormLog, flagRepeatTable); ------------------ | | 443| 36|#define MaxOff 28 ------------------ { size_t const bhSize = ZSTDv06_buildSeqTable(DTableOffb, Offtype, MaxOff, OffFSELog, ip, iend-ip, OF_defaultNorm, OF_defaultNormLog, flagRepeatTable); ------------------ | | 447| 36|#define OffFSELog 8 ------------------ 3201| 36| if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 2731| 36|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3201:17): [True: 0, False: 36] ------------------ 3202| 36| ip += bhSize; 3203| 36| } 3204| 36| { size_t const bhSize = ZSTDv06_buildSeqTable(DTableML, MLtype, MaxML, MLFSELog, ip, iend-ip, ML_defaultNorm, ML_defaultNormLog, flagRepeatTable); ------------------ | | 441| 36|#define MaxML 52 ------------------ { size_t const bhSize = ZSTDv06_buildSeqTable(DTableML, MLtype, MaxML, MLFSELog, ip, iend-ip, ML_defaultNorm, ML_defaultNormLog, flagRepeatTable); ------------------ | | 445| 36|#define MLFSELog 9 ------------------ 3205| 36| if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 2731| 36|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv06_isError(bhSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3205:17): [True: 0, False: 36] ------------------ 3206| 36| ip += bhSize; 3207| 36| } } 3208| | 3209| 0| return ip-istart; 3210| 36|} zstd_v06.c:ZSTDv06_buildSeqTable: 3135| 109|{ 3136| 109| switch(type) 3137| 109| { 3138| 36| case FSEv06_ENCODING_RLE : ------------------ | | 450| 36|#define FSEv06_ENCODING_RLE 1 ------------------ | Branch (3138:5): [True: 36, False: 73] ------------------ 3139| 36| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3139:13): [True: 0, False: 36] ------------------ 3140| 36| if ( (*(const BYTE*)src) > max) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3140:14): [True: 0, False: 36] ------------------ 3141| 36| FSEv06_buildDTable_rle(DTable, *(const BYTE*)src); /* if *src > max, data is corrupted */ 3142| 36| return 1; 3143| 45| case FSEv06_ENCODING_RAW : ------------------ | | 449| 45|#define FSEv06_ENCODING_RAW 0 ------------------ | Branch (3143:5): [True: 45, False: 64] ------------------ 3144| 45| FSEv06_buildDTable(DTable, defaultNorm, max, defaultLog); 3145| 45| return 0; 3146| 0| case FSEv06_ENCODING_STATIC: ------------------ | | 451| 0|#define FSEv06_ENCODING_STATIC 2 ------------------ | Branch (3146:5): [True: 0, False: 109] ------------------ 3147| 0| if (!flagRepeatTable) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3147:13): [True: 0, False: 0] ------------------ 3148| 0| return 0; 3149| 0| default : /* impossible */ ------------------ | Branch (3149:5): [True: 0, False: 109] ------------------ 3150| 28| case FSEv06_ENCODING_DYNAMIC : ------------------ | | 452| 28|#define FSEv06_ENCODING_DYNAMIC 3 ------------------ | Branch (3150:5): [True: 28, False: 81] ------------------ 3151| 28| { U32 tableLog; 3152| 28| S16 norm[MaxSeq+1]; 3153| 28| size_t const headerSize = FSEv06_readNCount(norm, &max, &tableLog, src, srcSize); 3154| 28| if (FSEv06_isError(headerSize)) return ERROR(corruption_detected); ------------------ | | 2732| 28|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(headerSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3154:17): [True: 0, False: 28] ------------------ 3155| 28| if (tableLog > maxLog) return ERROR(corruption_detected); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3155:17): [True: 1, False: 27] ------------------ 3156| 27| FSEv06_buildDTable(DTable, norm, max, tableLog); 3157| 27| return headerSize; 3158| 28| } } 3159| 109|} zstd_v06.c:ZSTDv06_decodeSequence: 3230| 378|{ 3231| | /* Literal length */ 3232| 378| U32 const llCode = FSEv06_peekSymbol(&(seqState->stateLL)); 3233| 378| U32 const mlCode = FSEv06_peekSymbol(&(seqState->stateML)); 3234| 378| U32 const ofCode = FSEv06_peekSymbol(&(seqState->stateOffb)); /* <= maxOff, by table construction */ 3235| | 3236| 378| U32 const llBits = LL_bits[llCode]; 3237| 378| U32 const mlBits = ML_bits[mlCode]; 3238| 378| U32 const ofBits = ofCode; 3239| 378| U32 const totalBits = llBits+mlBits+ofBits; 3240| | 3241| 378| static const U32 LL_base[MaxLL+1] = { 3242| 378| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 3243| 378| 16, 18, 20, 22, 24, 28, 32, 40, 48, 64, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 3244| 378| 0x2000, 0x4000, 0x8000, 0x10000 }; 3245| | 3246| 378| static const U32 ML_base[MaxML+1] = { 3247| 378| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 3248| 378| 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 3249| 378| 32, 34, 36, 38, 40, 44, 48, 56, 64, 80, 96, 0x80, 0x100, 0x200, 0x400, 0x800, 3250| 378| 0x1000, 0x2000, 0x4000, 0x8000, 0x10000 }; 3251| | 3252| 378| static const U32 OF_base[MaxOff+1] = { 3253| 378| 0, 1, 3, 7, 0xF, 0x1F, 0x3F, 0x7F, 3254| 378| 0xFF, 0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 3255| 378| 0xFFFF, 0x1FFFF, 0x3FFFF, 0x7FFFF, 0xFFFFF, 0x1FFFFF, 0x3FFFFF, 0x7FFFFF, 3256| 378| 0xFFFFFF, 0x1FFFFFF, 0x3FFFFFF, /*fake*/ 1, 1 }; 3257| | 3258| | /* sequence */ 3259| 378| { size_t offset; 3260| 378| if (!ofCode) ------------------ | Branch (3260:13): [True: 210, False: 168] ------------------ 3261| 210| offset = 0; 3262| 168| else { 3263| 168| offset = OF_base[ofCode] + BITv06_readBits(&(seqState->DStream), ofBits); /* <= 26 bits */ 3264| 168| if (MEM_32bits()) BITv06_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3264:17): [True: 0, False: 168] ------------------ 3265| 168| } 3266| | 3267| 378| if (offset < ZSTDv06_REP_NUM) { ------------------ | | 401| 378|#define ZSTDv06_REP_NUM 3 ------------------ | Branch (3267:13): [True: 322, False: 56] ------------------ 3268| 322| if (llCode == 0 && offset <= 1) offset = 1-offset; ------------------ | Branch (3268:17): [True: 51, False: 271] | Branch (3268:32): [True: 51, False: 0] ------------------ 3269| | 3270| 322| if (offset != 0) { ------------------ | Branch (3270:17): [True: 159, False: 163] ------------------ 3271| 159| size_t temp = seqState->prevOffset[offset]; 3272| 159| if (offset != 1) { ------------------ | Branch (3272:21): [True: 51, False: 108] ------------------ 3273| 51| seqState->prevOffset[2] = seqState->prevOffset[1]; 3274| 51| } 3275| 159| seqState->prevOffset[1] = seqState->prevOffset[0]; 3276| 159| seqState->prevOffset[0] = offset = temp; 3277| | 3278| 163| } else { 3279| 163| offset = seqState->prevOffset[0]; 3280| 163| } 3281| 322| } else { 3282| 56| offset -= ZSTDv06_REP_MOVE; ------------------ | | 403| 56|#define ZSTDv06_REP_MOVE (ZSTDv06_REP_NUM-1) | | ------------------ | | | | 401| 56|#define ZSTDv06_REP_NUM 3 | | ------------------ ------------------ 3283| 56| seqState->prevOffset[2] = seqState->prevOffset[1]; 3284| 56| seqState->prevOffset[1] = seqState->prevOffset[0]; 3285| 56| seqState->prevOffset[0] = offset; 3286| 56| } 3287| 378| seq->offset = offset; 3288| 378| } 3289| | 3290| 378| seq->matchLength = ML_base[mlCode] + MINMATCH + ((mlCode>31) ? BITv06_readBits(&(seqState->DStream), mlBits) : 0); /* <= 16 bits */ ------------------ | | 435| 378|#define MINMATCH 3 ------------------ | Branch (3290:54): [True: 80, False: 298] ------------------ 3291| 378| if (MEM_32bits() && (mlBits+llBits>24)) BITv06_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3291:9): [True: 0, False: 378] | Branch (3291:25): [True: 0, False: 0] ------------------ 3292| | 3293| 378| seq->litLength = LL_base[llCode] + ((llCode>15) ? BITv06_readBits(&(seqState->DStream), llBits) : 0); /* <= 16 bits */ ------------------ | Branch (3293:41): [True: 120, False: 258] ------------------ 3294| 378| if (MEM_32bits() || ------------------ | Branch (3294:9): [True: 0, False: 378] ------------------ 3295| 378| (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv06_reloadDStream(&(seqState->DStream)); ------------------ | | 446| 378|#define LLFSELog 9 ------------------ (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv06_reloadDStream(&(seqState->DStream)); ------------------ | | 445| 378|#define MLFSELog 9 ------------------ (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv06_reloadDStream(&(seqState->DStream)); ------------------ | | 447| 378|#define OffFSELog 8 ------------------ | Branch (3295:8): [True: 1, False: 377] ------------------ 3296| | 3297| | /* ANS state update */ 3298| 378| FSEv06_updateState(&(seqState->stateLL), &(seqState->DStream)); /* <= 9 bits */ 3299| 378| FSEv06_updateState(&(seqState->stateML), &(seqState->DStream)); /* <= 9 bits */ 3300| 378| if (MEM_32bits()) BITv06_reloadDStream(&(seqState->DStream)); /* <= 18 bits */ ------------------ | Branch (3300:9): [True: 0, False: 378] ------------------ 3301| 378| FSEv06_updateState(&(seqState->stateOffb), &(seqState->DStream)); /* <= 8 bits */ 3302| 378|} zstd_v06.c:FSEv06_peekSymbol: 1062| 1.13k|{ 1063| 1.13k| FSEv06_decode_t const DInfo = ((const FSEv06_decode_t*)(DStatePtr->table))[DStatePtr->state]; 1064| 1.13k| return DInfo.symbol; 1065| 1.13k|} zstd_v06.c:FSEv06_updateState: 1068| 1.13k|{ 1069| 1.13k| FSEv06_decode_t const DInfo = ((const FSEv06_decode_t*)(DStatePtr->table))[DStatePtr->state]; 1070| 1.13k| U32 const nbBits = DInfo.nbBits; 1071| 1.13k| size_t const lowBits = BITv06_readBits(bitD, nbBits); 1072| 1.13k| DStatePtr->state = DInfo.newState + lowBits; 1073| 1.13k|} zstd_v06.c:ZSTDv06_execSequence: 3309| 378|{ 3310| 378| BYTE* const oLitEnd = op + sequence.litLength; 3311| 378| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 3312| 378| BYTE* const oMatchEnd = op + sequenceLength; /* risk : address space overflow (32-bits) */ 3313| 378| BYTE* const oend_8 = oend-8; 3314| 378| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 3315| 378| const BYTE* match = oLitEnd - sequence.offset; 3316| | 3317| | /* checks */ 3318| 378| size_t const seqLength = sequence.litLength + sequence.matchLength; 3319| | 3320| 378| if (seqLength > (size_t)(oend - op)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 23|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 23|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 23|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3320:9): [True: 23, False: 355] ------------------ 3321| 355| if (sequence.litLength > (size_t)(litLimit - *litPtr)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3321:9): [True: 0, False: 355] ------------------ 3322| | /* Now we know there are no overflow in literal nor match lengths, can use pointer checks */ 3323| 355| if (oLitEnd > oend_8) return ERROR(dstSize_tooSmall); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3323:9): [True: 3, False: 352] ------------------ 3324| | 3325| 352| if (oMatchEnd > oend) return ERROR(dstSize_tooSmall); /* overwrite beyond dst buffer */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3325:9): [True: 0, False: 352] ------------------ 3326| 352| if (iLitEnd > litLimit) return ERROR(corruption_detected); /* overRead beyond lit buffer */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3326:9): [True: 0, False: 352] ------------------ 3327| | 3328| | /* copy Literals */ 3329| 352| ZSTDv06_wildcopy(op, *litPtr, (ptrdiff_t)sequence.litLength); /* note : oLitEnd <= oend-8 : no risk of overwrite beyond oend */ 3330| 352| op = oLitEnd; 3331| 352| *litPtr = iLitEnd; /* update for next sequence */ 3332| | 3333| | /* copy Match */ 3334| 352| if (sequence.offset > (size_t)(oLitEnd - base)) { ------------------ | Branch (3334:9): [True: 19, False: 333] ------------------ 3335| | /* offset beyond prefix */ 3336| 19| if (sequence.offset > (size_t)(oLitEnd - vBase)) return ERROR(corruption_detected); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3336:13): [True: 2, False: 17] ------------------ 3337| 17| match = dictEnd - (base-match); 3338| 17| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (3338:13): [True: 1, False: 16] ------------------ 3339| 1| memmove(oLitEnd, match, sequence.matchLength); 3340| 1| return sequenceLength; 3341| 1| } 3342| | /* span extDict & currentPrefixSegment */ 3343| 16| { size_t const length1 = dictEnd - match; 3344| 16| memmove(oLitEnd, match, length1); 3345| 16| op = oLitEnd + length1; 3346| 16| sequence.matchLength -= length1; 3347| 16| match = base; 3348| 16| if (op > oend_8 || sequence.matchLength < MINMATCH) { ------------------ | | 435| 16|#define MINMATCH 3 ------------------ | Branch (3348:17): [True: 0, False: 16] | Branch (3348:32): [True: 1, False: 15] ------------------ 3349| 3| while (op < oMatchEnd) *op++ = *match++; ------------------ | Branch (3349:22): [True: 2, False: 1] ------------------ 3350| 1| return sequenceLength; 3351| 1| } 3352| 16| } } 3353| | /* Requirement: op <= oend_8 */ 3354| | 3355| | /* match within prefix */ 3356| 348| if (sequence.offset < 8) { ------------------ | Branch (3356:9): [True: 307, False: 41] ------------------ 3357| | /* close range match, overlap */ 3358| 307| static const U32 dec32table[] = { 0, 1, 2, 1, 4, 4, 4, 4 }; /* added */ 3359| 307| static const int dec64table[] = { 8, 8, 8, 7, 8, 9,10,11 }; /* subtracted */ 3360| 307| int const sub2 = dec64table[sequence.offset]; 3361| 307| op[0] = match[0]; 3362| 307| op[1] = match[1]; 3363| 307| op[2] = match[2]; 3364| 307| op[3] = match[3]; 3365| 307| match += dec32table[sequence.offset]; 3366| 307| ZSTDv06_copy4(op+4, match); 3367| 307| match -= sub2; 3368| 307| } else { 3369| 41| ZSTDv06_copy8(op, match); 3370| 41| } 3371| 348| op += 8; match += 8; 3372| | 3373| 348| if (oMatchEnd > oend-(16-MINMATCH)) { ------------------ | | 435| 348|#define MINMATCH 3 ------------------ | Branch (3373:9): [True: 8, False: 340] ------------------ 3374| 8| if (op < oend_8) { ------------------ | Branch (3374:13): [True: 6, False: 2] ------------------ 3375| 6| ZSTDv06_wildcopy(op, match, oend_8 - op); 3376| 6| match += oend_8 - op; 3377| 6| op = oend_8; 3378| 6| } 3379| 25| while (op < oMatchEnd) *op++ = *match++; ------------------ | Branch (3379:16): [True: 17, False: 8] ------------------ 3380| 340| } else { 3381| 340| ZSTDv06_wildcopy(op, match, (ptrdiff_t)sequence.matchLength-8); /* works even if matchLength < 8 */ 3382| 340| } 3383| 348| return sequenceLength; 3384| 352|} zstd_v06.c:ZSTDv06_wildcopy: 489| 698|{ 490| 698| const BYTE* ip = (const BYTE*)src; 491| 698| BYTE* op = (BYTE*)dst; 492| 698| BYTE* const oend = op + length; 493| 698| do 494| 1.77k| COPY8(op, ip) ------------------ | | 483| 1.77k|#define COPY8(d,s) { ZSTDv06_copy8(d,s); d+=8; s+=8; } ------------------ 495| 1.77k| while (op < oend); ------------------ | Branch (495:12): [True: 1.07k, False: 698] ------------------ 496| 698|} zstd_v06.c:ZSTDv06_copy4: 2739| 307|static void ZSTDv06_copy4(void* dst, const void* src) { memcpy(dst, src, 4); } zstd_v06.c:ZSTDv06_copy8: 482| 1.81k|static void ZSTDv06_copy8(void* dst, const void* src) { memcpy(dst, src, 8); } zstd_v06.c:ZSTDv06_decompressFrame: 3507| 48|{ 3508| 48| const BYTE* ip = (const BYTE*)src; 3509| 48| const BYTE* const iend = ip + srcSize; 3510| 48| BYTE* const ostart = (BYTE*)dst; 3511| 48| BYTE* op = ostart; 3512| 48| BYTE* const oend = ostart + dstCapacity; 3513| 48| size_t remainingSize = srcSize; 3514| 48| blockProperties_t blockProperties = { bt_compressed, 0 }; 3515| | 3516| | /* check */ 3517| 48| if (srcSize < ZSTDv06_frameHeaderSize_min+ZSTDv06_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3517:9): [True: 0, False: 48] ------------------ 3518| | 3519| | /* Frame Header */ 3520| 48| { size_t const frameHeaderSize = ZSTDv06_frameHeaderSize(src, ZSTDv06_frameHeaderSize_min); 3521| 48| if (ZSTDv06_isError(frameHeaderSize)) return frameHeaderSize; ------------------ | | 2731| 48|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3521:13): [True: 0, False: 48] ------------------ 3522| 48| if (srcSize < frameHeaderSize+ZSTDv06_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3522:13): [True: 0, False: 48] ------------------ 3523| 48| if (ZSTDv06_decodeFrameHeader(dctx, src, frameHeaderSize)) return ERROR(corruption_detected); ------------------ | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3523:13): [True: 8, False: 40] ------------------ 3524| 40| ip += frameHeaderSize; remainingSize -= frameHeaderSize; 3525| 40| } 3526| | 3527| | /* Loop on each block */ 3528| 42| while (1) { ------------------ | Branch (3528:12): [True: 42, Folded] ------------------ 3529| 42| size_t decodedSize=0; 3530| 42| size_t const cBlockSize = ZSTDv06_getcBlockSize(ip, iend-ip, &blockProperties); 3531| 42| if (ZSTDv06_isError(cBlockSize)) return cBlockSize; ------------------ | | 2731| 42|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3531:13): [True: 0, False: 42] ------------------ 3532| | 3533| 42| ip += ZSTDv06_blockHeaderSize; 3534| 42| remainingSize -= ZSTDv06_blockHeaderSize; 3535| 42| if (cBlockSize > remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3535:13): [True: 0, False: 42] ------------------ 3536| | 3537| 42| switch(blockProperties.blockType) 3538| 42| { 3539| 37| case bt_compressed: ------------------ | Branch (3539:9): [True: 37, False: 5] ------------------ 3540| 37| decodedSize = ZSTDv06_decompressBlock_internal(dctx, op, oend-op, ip, cBlockSize); 3541| 37| break; 3542| 2| case bt_raw : ------------------ | Branch (3542:9): [True: 2, False: 40] ------------------ 3543| 2| decodedSize = ZSTDv06_copyRawBlock(op, oend-op, ip, cBlockSize); 3544| 2| break; 3545| 2| case bt_rle : ------------------ | Branch (3545:9): [True: 2, False: 40] ------------------ 3546| 2| return ERROR(GENERIC); /* not yet supported */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3547| 0| break; 3548| 1| case bt_end : ------------------ | Branch (3548:9): [True: 1, False: 41] ------------------ 3549| | /* end of frame */ 3550| 1| if (remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3550:17): [True: 0, False: 1] ------------------ 3551| 1| break; 3552| 1| default: ------------------ | Branch (3552:9): [True: 0, False: 42] ------------------ 3553| 0| return ERROR(GENERIC); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3554| 42| } 3555| 40| if (cBlockSize == 0) break; /* bt_end */ ------------------ | Branch (3555:13): [True: 1, False: 39] ------------------ 3556| | 3557| 39| if (ZSTDv06_isError(decodedSize)) return decodedSize; ------------------ | | 2731| 39|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ | Branch (3557:13): [True: 37, False: 2] ------------------ 3558| 2| op += decodedSize; 3559| 2| ip += cBlockSize; 3560| 2| remainingSize -= cBlockSize; 3561| 2| } 3562| | 3563| 1| return op-ostart; 3564| 40|} zstd_v06.c:ZSTD_errorFrameSizeInfoLegacy: 3612| 1|{ 3613| 1| *cSize = ret; 3614| 1| *dBound = ZSTD_CONTENTSIZE_ERROR; ------------------ | | 454| 1|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 3615| 1|} zstd_v06.c:ZSTDv06_getcBlockSize: 2971| 265|{ 2972| 265| const BYTE* const in = (const BYTE*)src; 2973| 265| U32 cSize; 2974| | 2975| 265| if (srcSize < ZSTDv06_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2975:9): [True: 0, False: 265] ------------------ 2976| | 2977| 265| bpPtr->blockType = (blockType_t)((*in) >> 6); 2978| 265| cSize = in[2] + (in[1]<<8) + ((in[0] & 7)<<16); 2979| 265| bpPtr->origSize = (bpPtr->blockType == bt_rle) ? cSize : 0; ------------------ | Branch (2979:23): [True: 83, False: 182] ------------------ 2980| | 2981| 265| if (bpPtr->blockType == bt_end) return 0; ------------------ | Branch (2981:9): [True: 40, False: 225] ------------------ 2982| 225| if (bpPtr->blockType == bt_rle) return 1; ------------------ | Branch (2982:9): [True: 83, False: 142] ------------------ 2983| 142| return cSize; 2984| 225|} zstd_v06.c:ZSTDv06_decodeFrameHeader: 2955| 48|{ 2956| 48| size_t const result = ZSTDv06_getFrameParams(&(zc->fParams), src, srcSize); 2957| 48| if ((MEM_32bits()) && (zc->fParams.windowLog > 25)) return ERROR(frameParameter_unsupported); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2957:9): [True: 0, False: 48] | Branch (2957:27): [True: 0, False: 0] ------------------ 2958| 48| return result; 2959| 48|} zstd_v06.c:ZSTDv06_copyRawBlock: 2988| 2|{ 2989| 2| if (dst==NULL) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2989:9): [True: 0, False: 2] ------------------ 2990| 2| if (srcSize > dstCapacity) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2990:9): [True: 0, False: 2] ------------------ 2991| 2| memcpy(dst, src, srcSize); 2992| 2| return srcSize; 2993| 2|} zstd_v06.c:ZSTDv06_decompress_insertDictionary: 3803| 33|{ 3804| 33| size_t eSize; 3805| 33| U32 const magic = MEM_readLE32(dict); 3806| 33| if (magic != ZSTDv06_DICT_MAGIC) { ------------------ | | 399| 33|#define ZSTDv06_DICT_MAGIC 0xEC30A436 ------------------ | Branch (3806:9): [True: 31, False: 2] ------------------ 3807| | /* pure content mode */ 3808| 31| ZSTDv06_refDictContent(dctx, dict, dictSize); 3809| 31| return 0; 3810| 31| } 3811| | /* load entropy tables */ 3812| 2| dict = (const char*)dict + 4; 3813| 2| dictSize -= 4; 3814| 2| eSize = ZSTDv06_loadEntropy(dctx, dict, dictSize); 3815| 2| if (ZSTDv06_isError(eSize)) return ERROR(dictionary_corrupted); ------------------ | | 2731| 2|#define ZSTDv06_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv06_isError(eSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3815:9): [True: 2, False: 0] ------------------ 3816| | 3817| | /* reference dictionary content */ 3818| 0| dict = (const char*)dict + eSize; 3819| 0| dictSize -= eSize; 3820| 0| ZSTDv06_refDictContent(dctx, dict, dictSize); 3821| | 3822| 0| return 0; 3823| 2|} zstd_v06.c:ZSTDv06_refDictContent: 3751| 31|{ 3752| 31| dctx->dictEnd = dctx->previousDstEnd; 3753| 31| dctx->vBase = (const char*)dict - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 3754| 31| dctx->base = dict; 3755| 31| dctx->previousDstEnd = (const char*)dict + dictSize; 3756| 31|} zstd_v06.c:ZSTDv06_loadEntropy: 3759| 2|{ 3760| 2| size_t hSize, offcodeHeaderSize, matchlengthHeaderSize, litlengthHeaderSize; 3761| | 3762| 2| hSize = HUFv06_readDTableX4(dctx->hufTableX4, dict, dictSize); 3763| 2| if (HUFv06_isError(hSize)) return ERROR(dictionary_corrupted); ------------------ | | 2733| 2|#define HUFv06_isError ERR_isError ------------------ if (HUFv06_isError(hSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3763:9): [True: 2, False: 0] ------------------ 3764| 0| dict = (const char*)dict + hSize; 3765| 0| dictSize -= hSize; 3766| | 3767| 0| { short offcodeNCount[MaxOff+1]; 3768| 0| U32 offcodeMaxValue=MaxOff, offcodeLog; ------------------ | | 443| 0|#define MaxOff 28 ------------------ 3769| 0| offcodeHeaderSize = FSEv06_readNCount(offcodeNCount, &offcodeMaxValue, &offcodeLog, dict, dictSize); 3770| 0| if (FSEv06_isError(offcodeHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(offcodeHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3770:13): [True: 0, False: 0] ------------------ 3771| 0| if (offcodeLog > OffFSELog) return ERROR(dictionary_corrupted); ------------------ | | 447| 0|#define OffFSELog 8 ------------------ if (offcodeLog > OffFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3771:13): [True: 0, False: 0] ------------------ 3772| 0| { size_t const errorCode = FSEv06_buildDTable(dctx->OffTable, offcodeNCount, offcodeMaxValue, offcodeLog); 3773| 0| if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3773:15): [True: 0, False: 0] ------------------ 3774| 0| dict = (const char*)dict + offcodeHeaderSize; 3775| 0| dictSize -= offcodeHeaderSize; 3776| 0| } 3777| | 3778| 0| { short matchlengthNCount[MaxML+1]; 3779| 0| unsigned matchlengthMaxValue = MaxML, matchlengthLog; ------------------ | | 441| 0|#define MaxML 52 ------------------ 3780| 0| matchlengthHeaderSize = FSEv06_readNCount(matchlengthNCount, &matchlengthMaxValue, &matchlengthLog, dict, dictSize); 3781| 0| if (FSEv06_isError(matchlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(matchlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3781:13): [True: 0, False: 0] ------------------ 3782| 0| if (matchlengthLog > MLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 445| 0|#define MLFSELog 9 ------------------ if (matchlengthLog > MLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3782:13): [True: 0, False: 0] ------------------ 3783| 0| { size_t const errorCode = FSEv06_buildDTable(dctx->MLTable, matchlengthNCount, matchlengthMaxValue, matchlengthLog); 3784| 0| if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3784:15): [True: 0, False: 0] ------------------ 3785| 0| dict = (const char*)dict + matchlengthHeaderSize; 3786| 0| dictSize -= matchlengthHeaderSize; 3787| 0| } 3788| | 3789| 0| { short litlengthNCount[MaxLL+1]; 3790| 0| unsigned litlengthMaxValue = MaxLL, litlengthLog; ------------------ | | 442| 0|#define MaxLL 35 ------------------ 3791| 0| litlengthHeaderSize = FSEv06_readNCount(litlengthNCount, &litlengthMaxValue, &litlengthLog, dict, dictSize); 3792| 0| if (FSEv06_isError(litlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(litlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3792:13): [True: 0, False: 0] ------------------ 3793| 0| if (litlengthLog > LLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 446| 0|#define LLFSELog 9 ------------------ if (litlengthLog > LLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3793:13): [True: 0, False: 0] ------------------ 3794| 0| { size_t const errorCode = FSEv06_buildDTable(dctx->LLTable, litlengthNCount, litlengthMaxValue, litlengthLog); 3795| 0| if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2732| 0|#define FSEv06_isError ERR_isError ------------------ if (FSEv06_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3795:15): [True: 0, False: 0] ------------------ 3796| 0| } 3797| | 3798| 0| dctx->flagRepeatTable = 1; 3799| 0| return hSize + offcodeHeaderSize + matchlengthHeaderSize + litlengthHeaderSize; 3800| 0|} FSEv07_isError: 1134| 5|unsigned FSEv07_isError(size_t code) { return ERR_isError(code); } HUFv07_isError: 1142| 15|unsigned HUFv07_isError(size_t code) { return ERR_isError(code); } FSEv07_readNCount: 1154| 43|{ 1155| 43| const BYTE* const istart = (const BYTE*) headerBuffer; 1156| 43| const BYTE* const iend = istart + hbSize; 1157| 43| const BYTE* ip = istart; 1158| 43| int nbBits; 1159| 43| int remaining; 1160| 43| int threshold; 1161| 43| U32 bitStream; 1162| 43| int bitCount; 1163| 43| unsigned charnum = 0; 1164| 43| int previous0 = 0; 1165| | 1166| 43| if (hbSize < 4) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1166:9): [True: 0, False: 43] ------------------ 1167| 43| bitStream = MEM_readLE32(ip); 1168| 43| nbBits = (bitStream & 0xF) + FSEv07_MIN_TABLELOG; /* extract tableLog */ ------------------ | | 903| 43|#define FSEv07_MIN_TABLELOG 5 ------------------ 1169| 43| if (nbBits > FSEv07_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 905| 43|#define FSEv07_TABLELOG_ABSOLUTE_MAX 15 ------------------ if (nbBits > FSEv07_TABLELOG_ABSOLUTE_MAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1169:9): [True: 0, False: 43] ------------------ 1170| 43| bitStream >>= 4; 1171| 43| bitCount = 4; 1172| 43| *tableLogPtr = nbBits; 1173| 43| remaining = (1<1) && (charnum<=*maxSVPtr)) { ------------------ | Branch (1177:12): [True: 301, False: 43] | Branch (1177:29): [True: 301, False: 0] ------------------ 1178| 301| if (previous0) { ------------------ | Branch (1178:13): [True: 34, False: 267] ------------------ 1179| 34| unsigned n0 = charnum; 1180| 34| while ((bitStream & 0xFFFF) == 0xFFFF) { ------------------ | Branch (1180:20): [True: 0, False: 34] ------------------ 1181| 0| n0+=24; 1182| 0| if (ip < iend-5) { ------------------ | Branch (1182:21): [True: 0, False: 0] ------------------ 1183| 0| ip+=2; 1184| 0| bitStream = MEM_readLE32(ip) >> bitCount; 1185| 0| } else { 1186| 0| bitStream >>= 16; 1187| 0| bitCount+=16; 1188| 0| } } 1189| 37| while ((bitStream & 3) == 3) { ------------------ | Branch (1189:20): [True: 3, False: 34] ------------------ 1190| 3| n0+=3; 1191| 3| bitStream>>=2; 1192| 3| bitCount+=2; 1193| 3| } 1194| 34| n0 += bitStream & 3; 1195| 34| bitCount += 2; 1196| 34| if (n0 > *maxSVPtr) return ERROR(maxSymbolValue_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1196:17): [True: 0, False: 34] ------------------ 1197| 51| while (charnum < n0) normalizedCounter[charnum++] = 0; ------------------ | Branch (1197:20): [True: 17, False: 34] ------------------ 1198| 34| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1198:17): [True: 34, False: 0] | Branch (1198:35): [True: 0, False: 0] ------------------ 1199| 34| ip += bitCount>>3; 1200| 34| bitCount &= 7; 1201| 34| bitStream = MEM_readLE32(ip) >> bitCount; 1202| 34| } 1203| 0| else 1204| 0| bitStream >>= 2; 1205| 34| } 1206| 301| { short const max = (short)((2*threshold-1)-remaining); 1207| 301| short count; 1208| | 1209| 301| if ((bitStream & (threshold-1)) < (U32)max) { ------------------ | Branch (1209:17): [True: 184, False: 117] ------------------ 1210| 184| count = (short)(bitStream & (threshold-1)); 1211| 184| bitCount += nbBits-1; 1212| 184| } else { 1213| 117| count = (short)(bitStream & (2*threshold-1)); 1214| 117| if (count >= threshold) count -= max; ------------------ | Branch (1214:21): [True: 48, False: 69] ------------------ 1215| 117| bitCount += nbBits; 1216| 117| } 1217| | 1218| 301| count--; /* extra accuracy */ 1219| 301| remaining -= FSEv07_abs(count); 1220| 301| normalizedCounter[charnum++] = count; 1221| 301| previous0 = !count; 1222| 529| while (remaining < threshold) { ------------------ | Branch (1222:20): [True: 228, False: 301] ------------------ 1223| 228| nbBits--; 1224| 228| threshold >>= 1; 1225| 228| } 1226| | 1227| 301| if ((ip <= iend-7) || (ip + (bitCount>>3) <= iend-4)) { ------------------ | Branch (1227:17): [True: 301, False: 0] | Branch (1227:35): [True: 0, False: 0] ------------------ 1228| 301| ip += bitCount>>3; 1229| 301| bitCount &= 7; 1230| 301| } else { 1231| 0| bitCount -= (int)(8 * (iend - 4 - ip)); 1232| 0| ip = iend - 4; 1233| 0| } 1234| 301| bitStream = MEM_readLE32(ip) >> (bitCount & 31); 1235| 301| } } /* while ((remaining>1) && (charnum<=*maxSVPtr)) */ 1236| 43| if (remaining != 1) return ERROR(GENERIC); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1236:9): [True: 0, False: 43] ------------------ 1237| 43| *maxSVPtr = charnum-1; 1238| | 1239| 43| ip += (bitCount+7)>>3; 1240| 43| if ((size_t)(ip-istart) > hbSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1240:9): [True: 0, False: 43] ------------------ 1241| 43| return ip-istart; 1242| 43|} HUFv07_readStats: 1254| 9|{ 1255| 9| U32 weightTotal; 1256| 9| const BYTE* ip = (const BYTE*) src; 1257| 9| size_t iSize; 1258| 9| size_t oSize; 1259| | 1260| 9| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1260:9): [True: 0, False: 9] ------------------ 1261| 9| iSize = ip[0]; 1262| | /* memset(huffWeight, 0, hwSize); */ /* is not necessary, even though some analyzer complain ... */ 1263| | 1264| 9| if (iSize >= 128) { /* special header */ ------------------ | Branch (1264:9): [True: 4, False: 5] ------------------ 1265| 4| if (iSize >= (242)) { /* RLE */ ------------------ | Branch (1265:13): [True: 1, False: 3] ------------------ 1266| 1| static U32 l[14] = { 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 127, 128 }; 1267| 1| oSize = l[iSize-242]; 1268| 1| memset(huffWeight, 1, hwSize); 1269| 1| iSize = 0; 1270| 1| } 1271| 3| else { /* Incompressible */ 1272| 3| oSize = iSize - 127; 1273| 3| iSize = ((oSize+1)/2); 1274| 3| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1274:17): [True: 0, False: 3] ------------------ 1275| 3| if (oSize >= hwSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1275:17): [True: 0, False: 3] ------------------ 1276| 3| ip += 1; 1277| 3| { U32 n; 1278| 39| for (n=0; n> 4; 1280| 36| huffWeight[n+1] = ip[n/2] & 15; 1281| 36| } } } } 1282| 5| else { /* header compressed with FSE (normal case) */ 1283| 5| if (iSize+1 > srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1283:13): [True: 0, False: 5] ------------------ 1284| 5| oSize = FSEv07_decompress(huffWeight, hwSize-1, ip+1, iSize); /* max (hwSize-1) values decoded, as last one is implied */ 1285| 5| if (FSEv07_isError(oSize)) return oSize; ------------------ | Branch (1285:13): [True: 0, False: 5] ------------------ 1286| 5| } 1287| | 1288| | /* collect weight stats */ 1289| 9| memset(rankStats, 0, (HUFv07_TABLELOG_ABSOLUTEMAX + 1) * sizeof(U32)); ------------------ | | 996| 9|#define HUFv07_TABLELOG_ABSOLUTEMAX 16 /* absolute limit of HUFv07_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ 1290| 9| weightTotal = 0; 1291| 616| { U32 n; for (n=0; n= HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 996| 607|#define HUFv07_TABLELOG_ABSOLUTEMAX 16 /* absolute limit of HUFv07_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (huffWeight[n] >= HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1292:17): [True: 0, False: 607] ------------------ 1293| 607| rankStats[huffWeight[n]]++; 1294| 607| weightTotal += (1 << huffWeight[n]) >> 1; 1295| 607| } } 1296| 9| if (weightTotal == 0) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1296:9): [True: 0, False: 9] ------------------ 1297| | 1298| | /* get last non-null symbol weight (implied, total must be 2^n) */ 1299| 9| { U32 const tableLog = BITv07_highbit32(weightTotal) + 1; 1300| 9| if (tableLog > HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 996| 9|#define HUFv07_TABLELOG_ABSOLUTEMAX 16 /* absolute limit of HUFv07_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (tableLog > HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1300:13): [True: 0, False: 9] ------------------ 1301| 9| *tableLogPtr = tableLog; 1302| | /* determine last weight */ 1303| 9| { U32 const total = 1 << tableLog; 1304| 9| U32 const rest = total - weightTotal; 1305| 9| U32 const verif = 1 << BITv07_highbit32(rest); 1306| 9| U32 const lastWeight = BITv07_highbit32(rest) + 1; 1307| 9| if (verif != rest) return ERROR(corruption_detected); /* last value must be a clean power of 2 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1307:17): [True: 0, False: 9] ------------------ 1308| 9| huffWeight[oSize] = (BYTE)lastWeight; 1309| 9| rankStats[lastWeight]++; 1310| 9| } } 1311| | 1312| | /* check tree construction validity */ 1313| 9| if ((rankStats[1] < 2) || (rankStats[1] & 1)) return ERROR(corruption_detected); /* by construction : at least 2 elts of rank 1, must be even */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1313:9): [True: 0, False: 9] | Branch (1313:31): [True: 0, False: 9] ------------------ 1314| | 1315| | /* results */ 1316| 9| *nbSymbolsPtr = (U32)(oSize+1); 1317| 9| return iSize+1; 1318| 9|} FSEv07_buildDTable: 1424| 76|{ 1425| 76| void* const tdPtr = dt+1; /* because *dt is unsigned, 32-bits aligned on 32-bits */ 1426| 76| FSEv07_DECODE_TYPE* const tableDecode = (FSEv07_DECODE_TYPE*) (tdPtr); ------------------ | | 890| 76|#define FSEv07_DECODE_TYPE FSEv07_decode_t ------------------ 1427| 76| U16 symbolNext[FSEv07_MAX_SYMBOL_VALUE+1]; 1428| | 1429| 76| U32 const maxSV1 = maxSymbolValue + 1; 1430| 76| U32 const tableSize = 1 << tableLog; 1431| 76| U32 highThreshold = tableSize-1; 1432| | 1433| | /* Sanity Checks */ 1434| 76| if (maxSymbolValue > FSEv07_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 882| 76|#define FSEv07_MAX_SYMBOL_VALUE 255 ------------------ if (maxSymbolValue > FSEv07_MAX_SYMBOL_VALUE) return ERROR(maxSymbolValue_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1434:9): [True: 0, False: 76] ------------------ 1435| 76| if (tableLog > FSEv07_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 899| 76|#define FSEv07_MAX_TABLELOG (FSEv07_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 876| 76|#define FSEv07_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ if (tableLog > FSEv07_MAX_TABLELOG) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1435:9): [True: 0, False: 76] ------------------ 1436| | 1437| | /* Init, lay down lowprob symbols */ 1438| 76| { FSEv07_DTableHeader DTableH; 1439| 76| DTableH.tableLog = (U16)tableLog; 1440| 76| DTableH.fastMode = 1; 1441| 76| { S16 const largeLimit= (S16)(1 << (tableLog-1)); 1442| 76| U32 s; 1443| 1.71k| for (s=0; s= largeLimit) DTableH.fastMode=0; ------------------ | Branch (1448:25): [True: 19, False: 1.33k] ------------------ 1449| 1.35k| symbolNext[s] = normalizedCounter[s]; 1450| 1.35k| } } } 1451| 76| memcpy(dt, &DTableH, sizeof(DTableH)); 1452| 76| } 1453| | 1454| | /* Spread symbols */ 1455| 76| { U32 const tableMask = tableSize-1; 1456| 76| U32 const step = FSEv07_TABLESTEP(tableSize); ------------------ | | 910| 76|#define FSEv07_TABLESTEP(tableSize) ((tableSize>>1) + (tableSize>>3) + 3) ------------------ 1457| 76| U32 s, position = 0; 1458| 1.71k| for (s=0; s highThreshold) position = (position + step) & tableMask; /* lowprob area */ ------------------ | Branch (1463:24): [True: 284, False: 3.87k] ------------------ 1464| 3.87k| } } 1465| | 1466| 76| if (position!=0) return ERROR(GENERIC); /* position must reach all cells once, otherwise normalizedCounter is incorrect */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1466:13): [True: 0, False: 76] ------------------ 1467| 76| } 1468| | 1469| | /* Build Decoding table */ 1470| 76| { U32 u; 1471| 4.23k| for (u=0; utableLog = 0; 1496| 19| DTableH->fastMode = 0; 1497| | 1498| 19| cell->newState = 0; 1499| 19| cell->symbol = symbolValue; 1500| 19| cell->nbBits = 0; 1501| | 1502| 19| return 0; 1503| 19|} FSEv07_decompress_usingDTable: 1603| 5|{ 1604| 5| const void* ptr = dt; 1605| 5| const FSEv07_DTableHeader* DTableH = (const FSEv07_DTableHeader*)ptr; 1606| 5| const U32 fastMode = DTableH->fastMode; 1607| | 1608| | /* select fast mode (static) */ 1609| 5| if (fastMode) return FSEv07_decompress_usingDTable_generic(dst, originalSize, cSrc, cSrcSize, dt, 1); ------------------ | Branch (1609:9): [True: 2, False: 3] ------------------ 1610| 3| return FSEv07_decompress_usingDTable_generic(dst, originalSize, cSrc, cSrcSize, dt, 0); 1611| 5|} FSEv07_decompress: 1615| 5|{ 1616| 5| const BYTE* const istart = (const BYTE*)cSrc; 1617| 5| const BYTE* ip = istart; 1618| 5| short counting[FSEv07_MAX_SYMBOL_VALUE+1]; 1619| 5| DTable_max_t dt; /* Static analyzer seems unable to understand this table will be properly initialized later */ 1620| 5| unsigned tableLog; 1621| 5| unsigned maxSymbolValue = FSEv07_MAX_SYMBOL_VALUE; ------------------ | | 882| 5|#define FSEv07_MAX_SYMBOL_VALUE 255 ------------------ 1622| | 1623| 5| if (cSrcSize<2) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1623:9): [True: 0, False: 5] ------------------ 1624| | 1625| | /* normal FSE decoding mode */ 1626| 5| { size_t const NCountLength = FSEv07_readNCount (counting, &maxSymbolValue, &tableLog, istart, cSrcSize); 1627| 5| if (FSEv07_isError(NCountLength)) return NCountLength; ------------------ | | 1378| 5|#define FSEv07_isError ERR_isError ------------------ | Branch (1627:13): [True: 0, False: 5] ------------------ 1628| 5| if (NCountLength >= cSrcSize) return ERROR(srcSize_wrong); /* too small input size */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1628:13): [True: 0, False: 5] ------------------ 1629| 5| ip += NCountLength; 1630| 5| cSrcSize -= NCountLength; 1631| 5| } 1632| | 1633| 0| { size_t const errorCode = FSEv07_buildDTable (dt, counting, maxSymbolValue, tableLog); 1634| 5| if (FSEv07_isError(errorCode)) return errorCode; } ------------------ | | 1378| 5|#define FSEv07_isError ERR_isError ------------------ | Branch (1634:11): [True: 0, False: 5] ------------------ 1635| | 1636| 5| return FSEv07_decompress_usingDTable (dst, maxDstSize, ip, cSrcSize, dt); /* always return, even if it is an error code */ 1637| 5|} HUFv07_readDTableX2: 1722| 1|{ 1723| 1| BYTE huffWeight[HUFv07_SYMBOLVALUE_MAX + 1]; 1724| 1| U32 rankVal[HUFv07_TABLELOG_ABSOLUTEMAX + 1]; /* large enough for values from 0 to 16 */ 1725| 1| U32 tableLog = 0; 1726| 1| U32 nbSymbols = 0; 1727| 1| size_t iSize; 1728| 1| void* const dtPtr = DTable + 1; 1729| 1| HUFv07_DEltX2* const dt = (HUFv07_DEltX2*)dtPtr; 1730| | 1731| 1| HUFv07_STATIC_ASSERT(sizeof(DTableDesc) == sizeof(HUFv07_DTable)); ------------------ | | 1698| 1|#define HUFv07_STATIC_ASSERT(c) { enum { HUFv07_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */ ------------------ 1732| | /* memset(huffWeight, 0, sizeof(huffWeight)); */ /* is not necessary, even though some analyzer complain ... */ 1733| | 1734| 1| iSize = HUFv07_readStats(huffWeight, HUFv07_SYMBOLVALUE_MAX + 1, rankVal, &nbSymbols, &tableLog, src, srcSize); ------------------ | | 999| 1|#define HUFv07_SYMBOLVALUE_MAX 255 ------------------ 1735| 1| if (HUFv07_isError(iSize)) return iSize; ------------------ | Branch (1735:9): [True: 0, False: 1] ------------------ 1736| | 1737| | /* Table header */ 1738| 1| { DTableDesc dtd = HUFv07_getDTableDesc(DTable); 1739| 1| if (tableLog > (U32)(dtd.maxTableLog+1)) return ERROR(tableLog_tooLarge); /* DTable too small, huffman tree cannot fit in */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1739:13): [True: 0, False: 1] ------------------ 1740| 1| dtd.tableType = 0; 1741| 1| dtd.tableLog = (BYTE)tableLog; 1742| 1| memcpy(DTable, &dtd, sizeof(dtd)); 1743| 1| } 1744| | 1745| | /* Prepare ranks */ 1746| 0| { U32 n, nextRankStart = 0; 1747| 7| for (n=1; n> 1; 1758| 33| U32 i; 1759| 33| HUFv07_DEltX2 D; 1760| 33| D.byte = (BYTE)n; D.nbBits = (BYTE)(tableLog + 1 - w); 1761| 97| for (i = rankVal[w]; i < rankVal[w] + length; i++) ------------------ | Branch (1761:34): [True: 64, False: 33] ------------------ 1762| 64| dt[i] = D; 1763| 33| rankVal[w] += length; 1764| 33| } } 1765| | 1766| 1| return iSize; 1767| 1|} HUFv07_decompress4X2_DCtx: 1970| 1|{ 1971| 1| const BYTE* ip = (const BYTE*) cSrc; 1972| | 1973| 1| size_t const hSize = HUFv07_readDTableX2 (dctx, cSrc, cSrcSize); 1974| 1| if (HUFv07_isError(hSize)) return hSize; ------------------ | Branch (1974:9): [True: 0, False: 1] ------------------ 1975| 1| if (hSize >= cSrcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1975:9): [True: 0, False: 1] ------------------ 1976| 1| ip += hSize; cSrcSize -= hSize; 1977| | 1978| 1| return HUFv07_decompress4X2_usingDTable_internal (dst, dstSize, ip, cSrcSize, dctx); 1979| 1|} HUFv07_readDTableX4: 2080| 8|{ 2081| 8| BYTE weightList[HUFv07_SYMBOLVALUE_MAX + 1]; 2082| 8| sortedSymbol_t sortedSymbol[HUFv07_SYMBOLVALUE_MAX + 1]; 2083| 8| U32 rankStats[HUFv07_TABLELOG_ABSOLUTEMAX + 1] = { 0 }; 2084| 8| U32 rankStart0[HUFv07_TABLELOG_ABSOLUTEMAX + 2] = { 0 }; 2085| 8| U32* const rankStart = rankStart0+1; 2086| 8| rankVal_t rankVal; 2087| 8| U32 tableLog, maxW, sizeOfSort, nbSymbols; 2088| 8| DTableDesc dtd = HUFv07_getDTableDesc(DTable); 2089| 8| U32 const maxTableLog = dtd.maxTableLog; 2090| 8| size_t iSize; 2091| 8| void* dtPtr = DTable+1; /* force compiler to avoid strict-aliasing */ 2092| 8| HUFv07_DEltX4* const dt = (HUFv07_DEltX4*)dtPtr; 2093| | 2094| 8| HUFv07_STATIC_ASSERT(sizeof(HUFv07_DEltX4) == sizeof(HUFv07_DTable)); /* if compilation fails here, assertion is false */ ------------------ | | 1698| 8|#define HUFv07_STATIC_ASSERT(c) { enum { HUFv07_static_assert = 1/(int)(!!(c)) }; } /* use only *after* variable declarations */ ------------------ 2095| 8| if (maxTableLog > HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(tableLog_tooLarge); ------------------ | | 996| 8|#define HUFv07_TABLELOG_ABSOLUTEMAX 16 /* absolute limit of HUFv07_MAX_TABLELOG. Beyond that value, code does not work */ ------------------ if (maxTableLog > HUFv07_TABLELOG_ABSOLUTEMAX) return ERROR(tableLog_tooLarge); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2095:9): [True: 0, False: 8] ------------------ 2096| | /* memset(weightList, 0, sizeof(weightList)); */ /* is not necessary, even though some analyzer complain ... */ 2097| | 2098| 8| iSize = HUFv07_readStats(weightList, HUFv07_SYMBOLVALUE_MAX + 1, rankStats, &nbSymbols, &tableLog, src, srcSize); ------------------ | | 999| 8|#define HUFv07_SYMBOLVALUE_MAX 255 ------------------ 2099| 8| if (HUFv07_isError(iSize)) return iSize; ------------------ | Branch (2099:9): [True: 0, False: 8] ------------------ 2100| | 2101| | /* check result */ 2102| 8| if (tableLog > maxTableLog) return ERROR(tableLog_tooLarge); /* DTable can't fit code depth */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2102:9): [True: 0, False: 8] ------------------ 2103| | 2104| | /* find maxWeight */ 2105| 18| for (maxW = tableLog; rankStats[maxW]==0; maxW--) {} /* necessarily finds a solution before 0 */ ------------------ | Branch (2105:27): [True: 10, False: 8] ------------------ 2106| | 2107| | /* Get start index of each weight */ 2108| 8| { U32 w, nextRankStart = 0; 2109| 63| for (w=1; w> consumed; 2146| 537| } } } } 2147| | 2148| 8| HUFv07_fillDTableX4(dt, maxTableLog, 2149| 8| sortedSymbol, sizeOfSort, 2150| 8| rankStart0, rankVal, maxW, 2151| 8| tableLog+1); 2152| | 2153| 8| dtd.tableLog = (BYTE)maxTableLog; 2154| 8| dtd.tableType = 1; 2155| 8| memcpy(DTable, &dtd, sizeof(dtd)); 2156| 8| return iSize; 2157| 8|} HUFv07_decompress1X4_usingDTable: 2252| 3|{ 2253| 3| DTableDesc dtd = HUFv07_getDTableDesc(DTable); 2254| 3| if (dtd.tableType != 1) return ERROR(GENERIC); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2254:9): [True: 0, False: 3] ------------------ 2255| 3| return HUFv07_decompress1X4_usingDTable_internal(dst, dstSize, cSrc, cSrcSize, DTable); 2256| 3|} HUFv07_selectDecoder: 2450| 1|{ 2451| | /* decoder timing evaluation */ 2452| 1| U32 const Q = (U32)(cSrcSize * 16 / dstSize); /* Q < 16 since dstSize > cSrcSize */ 2453| 1| U32 const D256 = (U32)(dstSize >> 8); 2454| 1| U32 const DTime0 = algoTime[Q][0].tableTime + (algoTime[Q][0].decode256Time * D256); 2455| 1| U32 DTime1 = algoTime[Q][1].tableTime + (algoTime[Q][1].decode256Time * D256); 2456| 1| DTime1 += DTime1 >> 3; /* advantage to algorithm using less memory, for cache eviction */ 2457| | 2458| 1| return DTime1 < DTime0; 2459| 1|} HUFv07_decompress4X_hufOnly: 2497| 3|{ 2498| | /* validation checks */ 2499| 3| if (dstSize == 0) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2499:9): [True: 0, False: 3] ------------------ 2500| 3| if ((cSrcSize >= dstSize) || (cSrcSize <= 1)) return ERROR(corruption_detected); /* invalid */ ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2500:9): [True: 2, False: 1] | Branch (2500:34): [True: 0, False: 1] ------------------ 2501| | 2502| 1| { U32 const algoNb = HUFv07_selectDecoder(dstSize, cSrcSize); 2503| 1| return algoNb ? HUFv07_decompress4X4_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) : ------------------ | Branch (2503:16): [True: 0, False: 1] ------------------ 2504| 1| HUFv07_decompress4X2_DCtx(dctx, dst, dstSize, cSrc, cSrcSize) ; 2505| 3| } 2506| 3|} ZSTDv07_decompressBegin: 2908| 88|{ 2909| 88| dctx->expected = ZSTDv07_frameHeaderSize_min; 2910| 88| dctx->stage = ZSTDds_getFrameHeaderSize; 2911| 88| dctx->previousDstEnd = NULL; 2912| 88| dctx->base = NULL; 2913| 88| dctx->vBase = NULL; 2914| 88| dctx->dictEnd = NULL; 2915| 88| dctx->hufTable[0] = (HUFv07_DTable)((ZSTD_HUFFDTABLE_CAPACITY_LOG)*0x1000001); ------------------ | | 2665| 88|#define ZSTD_HUFFDTABLE_CAPACITY_LOG 12 ------------------ 2916| 88| dctx->litEntropy = dctx->fseEntropy = 0; 2917| 88| dctx->dictID = 0; 2918| 352| { int i; for (i=0; irep[i] = repStartValue[i]; } ------------------ | | 2638| 352|#define ZSTDv07_REP_NUM 3 ------------------ | Branch (2918:24): [True: 264, False: 88] ------------------ 2919| 88| return 0; 2920| 88|} ZSTDv07_createDCtx_advanced: 2923| 44|{ 2924| 44| ZSTDv07_DCtx* dctx; 2925| | 2926| 44| if (!customMem.customAlloc && !customMem.customFree) ------------------ | Branch (2926:9): [True: 0, False: 44] | Branch (2926:35): [True: 0, False: 0] ------------------ 2927| 0| customMem = defaultCustomMem; 2928| | 2929| 44| if (!customMem.customAlloc || !customMem.customFree) ------------------ | Branch (2929:9): [True: 0, False: 44] | Branch (2929:35): [True: 0, False: 44] ------------------ 2930| 0| return NULL; 2931| | 2932| 44| dctx = (ZSTDv07_DCtx*) customMem.customAlloc(customMem.opaque, sizeof(ZSTDv07_DCtx)); 2933| 44| if (!dctx) return NULL; ------------------ | Branch (2933:9): [True: 0, False: 44] ------------------ 2934| 44| memcpy(&dctx->customMem, &customMem, sizeof(ZSTDv07_customMem)); 2935| 44| ZSTDv07_decompressBegin(dctx); 2936| 44| return dctx; 2937| 44|} ZSTDv07_createDCtx: 2940| 44|{ 2941| 44| return ZSTDv07_createDCtx_advanced(defaultCustomMem); 2942| 44|} ZSTDv07_freeDCtx: 2945| 44|{ 2946| 44| if (dctx==NULL) return 0; /* support free on NULL */ ------------------ | Branch (2946:9): [True: 0, False: 44] ------------------ 2947| 44| dctx->customMem.customFree(dctx->customMem.opaque, dctx); 2948| 44| return 0; /* reserved as a potential error code in the future */ 2949| 44|} ZSTDv07_getFrameParams: 3096| 50|{ 3097| 50| const BYTE* ip = (const BYTE*)src; 3098| | 3099| 50| if (srcSize < ZSTDv07_frameHeaderSize_min) return ZSTDv07_frameHeaderSize_min; ------------------ | Branch (3099:9): [True: 0, False: 50] ------------------ 3100| 50| memset(fparamsPtr, 0, sizeof(*fparamsPtr)); 3101| 50| if (MEM_readLE32(src) != ZSTDv07_MAGICNUMBER) { ------------------ | | 180| 50|#define ZSTDv07_MAGICNUMBER 0xFD2FB527 /* v0.7 */ ------------------ | Branch (3101:9): [True: 0, False: 50] ------------------ 3102| 0| if ((MEM_readLE32(src) & 0xFFFFFFF0U) == ZSTDv07_MAGIC_SKIPPABLE_START) { ------------------ | | 41| 0|#define ZSTDv07_MAGIC_SKIPPABLE_START 0x184D2A50U ------------------ | Branch (3102:13): [True: 0, False: 0] ------------------ 3103| 0| if (srcSize < ZSTDv07_skippableHeaderSize) return ZSTDv07_skippableHeaderSize; /* magic number + skippable frame length */ ------------------ | Branch (3103:17): [True: 0, False: 0] ------------------ 3104| 0| fparamsPtr->frameContentSize = MEM_readLE32((const char *)src + 4); 3105| 0| fparamsPtr->windowSize = 0; /* windowSize==0 means a frame is skippable */ 3106| 0| return 0; 3107| 0| } 3108| 0| return ERROR(prefix_unknown); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3109| 0| } 3110| | 3111| | /* ensure there is enough `srcSize` to fully read/decode frame header */ 3112| 50| { size_t const fhsize = ZSTDv07_frameHeaderSize(src, srcSize); 3113| 50| if (srcSize < fhsize) return fhsize; } ------------------ | Branch (3113:11): [True: 0, False: 50] ------------------ 3114| | 3115| 50| { BYTE const fhdByte = ip[4]; 3116| 50| size_t pos = 5; 3117| 50| U32 const dictIDSizeCode = fhdByte&3; 3118| 50| U32 const checksumFlag = (fhdByte>>2)&1; 3119| 50| U32 const directMode = (fhdByte>>5)&1; 3120| 50| U32 const fcsID = fhdByte>>6; 3121| 50| U32 const windowSizeMax = 1U << ZSTDv07_WINDOWLOG_MAX; ------------------ | | 45| 50|#define ZSTDv07_WINDOWLOG_MAX ((U32)(MEM_32bits() ? ZSTDv07_WINDOWLOG_MAX_32 : ZSTDv07_WINDOWLOG_MAX_64)) | | ------------------ | | | | 43| 0|#define ZSTDv07_WINDOWLOG_MAX_32 25 | | ------------------ | | #define ZSTDv07_WINDOWLOG_MAX ((U32)(MEM_32bits() ? ZSTDv07_WINDOWLOG_MAX_32 : ZSTDv07_WINDOWLOG_MAX_64)) | | ------------------ | | | | 44| 50|#define ZSTDv07_WINDOWLOG_MAX_64 27 | | ------------------ | | | Branch (45:41): [True: 0, False: 50] | | ------------------ ------------------ 3122| 50| U32 windowSize = 0; 3123| 50| U32 dictID = 0; 3124| 50| U64 frameContentSize = 0; 3125| 50| if ((fhdByte & 0x08) != 0) /* reserved bits, which must be zero */ ------------------ | Branch (3125:13): [True: 0, False: 50] ------------------ 3126| 0| return ERROR(frameParameter_unsupported); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3127| 50| if (!directMode) { ------------------ | Branch (3127:13): [True: 42, False: 8] ------------------ 3128| 42| BYTE const wlByte = ip[pos++]; 3129| 42| U32 const windowLog = (wlByte >> 3) + ZSTDv07_WINDOWLOG_ABSOLUTEMIN; ------------------ | | 2654| 42|#define ZSTDv07_WINDOWLOG_ABSOLUTEMIN 10 ------------------ 3130| 42| if (windowLog > ZSTDv07_WINDOWLOG_MAX) ------------------ | | 45| 42|#define ZSTDv07_WINDOWLOG_MAX ((U32)(MEM_32bits() ? ZSTDv07_WINDOWLOG_MAX_32 : ZSTDv07_WINDOWLOG_MAX_64)) | | ------------------ | | | | 43| 0|#define ZSTDv07_WINDOWLOG_MAX_32 25 | | ------------------ | | #define ZSTDv07_WINDOWLOG_MAX ((U32)(MEM_32bits() ? ZSTDv07_WINDOWLOG_MAX_32 : ZSTDv07_WINDOWLOG_MAX_64)) | | ------------------ | | | | 44| 42|#define ZSTDv07_WINDOWLOG_MAX_64 27 | | ------------------ | | | Branch (45:41): [True: 0, False: 42] | | ------------------ ------------------ | Branch (3130:17): [True: 0, False: 42] ------------------ 3131| 0| return ERROR(frameParameter_unsupported); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3132| 42| windowSize = (1U << windowLog); 3133| 42| windowSize += (windowSize >> 3) * (wlByte&7); 3134| 42| } 3135| | 3136| 50| switch(dictIDSizeCode) 3137| 50| { 3138| 0| default: /* impossible */ ------------------ | Branch (3138:13): [True: 0, False: 50] ------------------ 3139| 45| case 0 : break; ------------------ | Branch (3139:13): [True: 45, False: 5] ------------------ 3140| 3| case 1 : dictID = ip[pos]; pos++; break; ------------------ | Branch (3140:13): [True: 3, False: 47] ------------------ 3141| 2| case 2 : dictID = MEM_readLE16(ip+pos); pos+=2; break; ------------------ | Branch (3141:13): [True: 2, False: 48] ------------------ 3142| 0| case 3 : dictID = MEM_readLE32(ip+pos); pos+=4; break; ------------------ | Branch (3142:13): [True: 0, False: 50] ------------------ 3143| 50| } 3144| 50| switch(fcsID) 3145| 50| { 3146| 0| default: /* impossible */ ------------------ | Branch (3146:13): [True: 0, False: 50] ------------------ 3147| 45| case 0 : if (directMode) frameContentSize = ip[pos]; break; ------------------ | Branch (3147:13): [True: 45, False: 5] | Branch (3147:26): [True: 3, False: 42] ------------------ 3148| 0| case 1 : frameContentSize = MEM_readLE16(ip+pos)+256; break; ------------------ | Branch (3148:13): [True: 0, False: 50] ------------------ 3149| 0| case 2 : frameContentSize = MEM_readLE32(ip+pos); break; ------------------ | Branch (3149:13): [True: 0, False: 50] ------------------ 3150| 5| case 3 : frameContentSize = MEM_readLE64(ip+pos); break; ------------------ | Branch (3150:13): [True: 5, False: 45] ------------------ 3151| 50| } 3152| 50| if (!windowSize) windowSize = (U32)frameContentSize; ------------------ | Branch (3152:13): [True: 8, False: 42] ------------------ 3153| 50| if (windowSize > windowSizeMax) ------------------ | Branch (3153:13): [True: 4, False: 46] ------------------ 3154| 4| return ERROR(frameParameter_unsupported); ------------------ | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3155| 46| fparamsPtr->frameContentSize = frameContentSize; 3156| 46| fparamsPtr->windowSize = windowSize; 3157| 46| fparamsPtr->dictID = dictID; 3158| 46| fparamsPtr->checksumFlag = checksumFlag; 3159| 46| } 3160| 0| return 0; 3161| 50|} ZSTDv07_decompress_usingDict: 3824| 44|{ 3825| 44| ZSTDv07_decompressBegin_usingDict(dctx, dict, dictSize); 3826| 44| ZSTDv07_checkContinuity(dctx, dst); 3827| 44| return ZSTDv07_decompressFrame(dctx, dst, dstCapacity, src, srcSize); 3828| 44|} ZSTDv07_findFrameSizeInfoLegacy: 3861| 49|{ 3862| 49| const BYTE* ip = (const BYTE*)src; 3863| 49| size_t remainingSize = srcSize; 3864| 49| size_t nbBlocks = 0; 3865| | 3866| | /* check */ 3867| 49| if (srcSize < ZSTDv07_frameHeaderSize_min+ZSTDv07_blockHeaderSize) { ------------------ | Branch (3867:9): [True: 0, False: 49] ------------------ 3868| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3869| 0| return; 3870| 0| } 3871| | 3872| | /* Frame Header */ 3873| 49| { size_t const frameHeaderSize = ZSTDv07_frameHeaderSize(src, srcSize); 3874| 49| if (ZSTDv07_isError(frameHeaderSize)) { ------------------ | | 2856| 49|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3874:13): [True: 0, False: 49] ------------------ 3875| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, frameHeaderSize); 3876| 0| return; 3877| 0| } 3878| 49| if (MEM_readLE32(src) != ZSTDv07_MAGICNUMBER) { ------------------ | | 180| 49|#define ZSTDv07_MAGICNUMBER 0xFD2FB527 /* v0.7 */ ------------------ | Branch (3878:13): [True: 0, False: 49] ------------------ 3879| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(prefix_unknown)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3880| 0| return; 3881| 0| } 3882| 49| if (srcSize < frameHeaderSize+ZSTDv07_blockHeaderSize) { ------------------ | Branch (3882:13): [True: 0, False: 49] ------------------ 3883| 0| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3884| 0| return; 3885| 0| } 3886| 49| ip += frameHeaderSize; remainingSize -= frameHeaderSize; 3887| 49| } 3888| | 3889| | /* Loop on each block */ 3890| 449| while (1) { ------------------ | Branch (3890:12): [True: 449, Folded] ------------------ 3891| 449| blockProperties_t blockProperties; 3892| 449| size_t const cBlockSize = ZSTDv07_getcBlockSize(ip, remainingSize, &blockProperties); 3893| 449| if (ZSTDv07_isError(cBlockSize)) { ------------------ | | 2856| 449|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3893:13): [True: 1, False: 448] ------------------ 3894| 1| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, cBlockSize); 3895| 1| return; 3896| 1| } 3897| | 3898| 448| ip += ZSTDv07_blockHeaderSize; 3899| 448| remainingSize -= ZSTDv07_blockHeaderSize; 3900| | 3901| 448| if (blockProperties.blockType == bt_end) break; ------------------ | Branch (3901:13): [True: 44, False: 404] ------------------ 3902| | 3903| 404| if (cBlockSize > remainingSize) { ------------------ | Branch (3903:13): [True: 4, False: 400] ------------------ 3904| 4| ZSTD_errorFrameSizeInfoLegacy(cSize, dBound, ERROR(srcSize_wrong)); ------------------ | | 49| 4|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 4|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 4|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3905| 4| return; 3906| 4| } 3907| | 3908| 400| ip += cBlockSize; 3909| 400| remainingSize -= cBlockSize; 3910| 400| nbBlocks++; 3911| 400| } 3912| | 3913| 44| *cSize = ip - (const BYTE*)src; 3914| 44| *dBound = nbBlocks * ZSTDv07_BLOCKSIZE_ABSOLUTEMAX; ------------------ | | 175| 44|#define ZSTDv07_BLOCKSIZE_ABSOLUTEMAX (128 * 1024) /* define, for static allocation */ ------------------ 3915| 44|} ZSTDv07_decompressBegin_usingDict: 4115| 44|{ 4116| 44| { size_t const errorCode = ZSTDv07_decompressBegin(dctx); 4117| 44| if (ZSTDv07_isError(errorCode)) return errorCode; } ------------------ | | 2856| 44|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (4117:11): [True: 0, False: 44] ------------------ 4118| | 4119| 44| if (dict && dictSize) { ------------------ | Branch (4119:9): [True: 44, False: 0] | Branch (4119:17): [True: 21, False: 23] ------------------ 4120| 21| size_t const errorCode = ZSTDv07_decompress_insertDictionary(dctx, dict, dictSize); 4121| 21| if (ZSTDv07_isError(errorCode)) return ERROR(dictionary_corrupted); ------------------ | | 2856| 21|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv07_isError(errorCode)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4121:13): [True: 0, False: 21] ------------------ 4122| 21| } 4123| | 4124| 44| return 0; 4125| 44|} zstd_v07.c:MEM_readLE32: 350| 530|{ 351| 530| if (MEM_isLittleEndian()) ------------------ | Branch (351:9): [True: 530, False: 0] ------------------ 352| 530| return MEM_read32(memPtr); 353| 0| else 354| 0| return MEM_swap32(MEM_read32(memPtr)); 355| 530|} zstd_v07.c:MEM_isLittleEndian: 268| 9.42k|{ 269| 9.42k| const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */ 270| 9.42k| return one.c[0]; 271| 9.42k|} zstd_v07.c:MEM_read32: 279| 530|{ 280| 530| U32 val; memcpy(&val, memPtr, sizeof(val)); return val; 281| 530|} zstd_v07.c:FSEv07_abs: 1150| 301|static short FSEv07_abs(short a) { return (short)(a<0 ? -a : a); } ------------------ | Branch (1150:51): [True: 117, False: 184] ------------------ zstd_v07.c:BITv07_highbit32: 473| 4.21k|{ 474| |# if defined(_MSC_VER) /* Visual */ 475| | unsigned long r; 476| | return _BitScanReverse(&r, val) ? (unsigned)r : 0; 477| |# elif defined(__GNUC__) && (__GNUC__ >= 3) /* Use GCC Intrinsic */ 478| | return __builtin_clz (val) ^ 31; 479| |# else /* Software version */ 480| | static const unsigned DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31 }; 481| | U32 v = val; 482| | v |= v >> 1; 483| | v |= v >> 2; 484| | v |= v >> 4; 485| | v |= v >> 8; 486| | v |= v >> 16; 487| | return DeBruijnClz[ (U32) (v * 0x07C4ACDDU) >> 27]; 488| |# endif 489| 4.21k|} zstd_v07.c:FSEv07_decompress_usingDTable_generic: 1536| 5|{ 1537| 5| BYTE* const ostart = (BYTE*) dst; 1538| 5| BYTE* op = ostart; 1539| 5| BYTE* const omax = op + maxDstSize; 1540| 5| BYTE* const olimit = omax-3; 1541| | 1542| 5| BITv07_DStream_t bitD; 1543| 5| FSEv07_DState_t state1; 1544| 5| FSEv07_DState_t state2; 1545| | 1546| | /* Init */ 1547| 5| { size_t const errorCode = BITv07_initDStream(&bitD, cSrc, cSrcSize); /* replaced last arg by maxCompressed Size */ 1548| 5| if (FSEv07_isError(errorCode)) return errorCode; } ------------------ | | 1378| 5|#define FSEv07_isError ERR_isError ------------------ | Branch (1548:11): [True: 0, False: 5] ------------------ 1549| | 1550| 5| FSEv07_initDState(&state1, &bitD, dt); 1551| 5| FSEv07_initDState(&state2, &bitD, dt); 1552| | 1553| 5|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) 1554| | 1555| | /* 4 symbols per loop */ 1556| 60| for ( ; (BITv07_reloadDStream(&bitD)==BITv07_DStream_unfinished) && (op sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 899| 55|#define FSEv07_MAX_TABLELOG (FSEv07_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 876| 55|#define FSEv07_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1559:13): [Folded, False: 55] ------------------ 1560| 0| BITv07_reloadDStream(&bitD); 1561| | 1562| 55| op[1] = FSEv07_GETSYMBOL(&state2); ------------------ | | 1553| 55|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 16, False: 39] | | ------------------ ------------------ 1563| | 1564| 55| if (FSEv07_MAX_TABLELOG*4+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 899| 55|#define FSEv07_MAX_TABLELOG (FSEv07_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 876| 55|#define FSEv07_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1564:13): [Folded, False: 55] ------------------ 1565| 0| { if (BITv07_reloadDStream(&bitD) > BITv07_DStream_unfinished) { op+=2; break; } } ------------------ | Branch (1565:19): [True: 0, False: 0] ------------------ 1566| | 1567| 55| op[2] = FSEv07_GETSYMBOL(&state1); ------------------ | | 1553| 55|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 16, False: 39] | | ------------------ ------------------ 1568| | 1569| 55| if (FSEv07_MAX_TABLELOG*2+7 > sizeof(bitD.bitContainer)*8) /* This test must be static */ ------------------ | | 899| 55|#define FSEv07_MAX_TABLELOG (FSEv07_MAX_MEMORY_USAGE-2) | | ------------------ | | | | 876| 55|#define FSEv07_MAX_MEMORY_USAGE 14 | | ------------------ ------------------ | Branch (1569:13): [Folded, False: 55] ------------------ 1570| 0| BITv07_reloadDStream(&bitD); 1571| | 1572| 55| op[3] = FSEv07_GETSYMBOL(&state2); ------------------ | | 1553| 55|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 16, False: 39] | | ------------------ ------------------ 1573| 55| } 1574| | 1575| | /* tail */ 1576| | /* note : BITv07_reloadDStream(&bitD) >= FSEv07_DStream_partiallyFilled; Ends at exactly BITv07_DStream_completed */ 1577| 141| while (1) { ------------------ | Branch (1577:12): [True: 141, Folded] ------------------ 1578| 141| if (op>(omax-2)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1578:13): [True: 0, False: 141] ------------------ 1579| | 1580| 141| *op++ = FSEv07_GETSYMBOL(&state1); ------------------ | | 1553| 141|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 44, False: 97] | | ------------------ ------------------ 1581| | 1582| 141| if (BITv07_reloadDStream(&bitD)==BITv07_DStream_overflow) { ------------------ | Branch (1582:13): [True: 4, False: 137] ------------------ 1583| 4| *op++ = FSEv07_GETSYMBOL(&state2); ------------------ | | 1553| 4|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 2, False: 2] | | ------------------ ------------------ 1584| 4| break; 1585| 4| } 1586| | 1587| 137| if (op>(omax-2)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1587:13): [True: 0, False: 137] ------------------ 1588| | 1589| 137| *op++ = FSEv07_GETSYMBOL(&state2); ------------------ | | 1553| 137|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 42, False: 95] | | ------------------ ------------------ 1590| | 1591| 137| if (BITv07_reloadDStream(&bitD)==BITv07_DStream_overflow) { ------------------ | Branch (1591:13): [True: 1, False: 136] ------------------ 1592| 1| *op++ = FSEv07_GETSYMBOL(&state1); ------------------ | | 1553| 1|#define FSEv07_GETSYMBOL(statePtr) fast ? FSEv07_decodeSymbolFast(statePtr, &bitD) : FSEv07_decodeSymbol(statePtr, &bitD) | | ------------------ | | | Branch (1553:36): [True: 0, False: 1] | | ------------------ ------------------ 1593| 1| break; 1594| 1| } } 1595| | 1596| 5| return op-ostart; 1597| 5|} zstd_v07.c:BITv07_initDStream: 503| 32|{ 504| 32| if (srcSize < 1) { memset(bitD, 0, sizeof(*bitD)); return ERROR(srcSize_wrong); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (504:9): [True: 0, False: 32] ------------------ 505| | 506| 32| if (srcSize >= sizeof(bitD->bitContainer)) { /* normal case */ ------------------ | Branch (506:9): [True: 31, False: 1] ------------------ 507| 31| bitD->start = (const char*)srcBuffer; 508| 31| bitD->ptr = (const char*)srcBuffer + srcSize - sizeof(bitD->bitContainer); 509| 31| bitD->bitContainer = MEM_readLEST(bitD->ptr); 510| 31| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 511| 31| bitD->bitsConsumed = lastByte ? 8 - BITv07_highbit32(lastByte) : 0; ------------------ | Branch (511:32): [True: 30, False: 1] ------------------ 512| 31| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ } ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (512:15): [True: 1, False: 30] ------------------ 513| 31| } else { 514| 1| bitD->start = (const char*)srcBuffer; 515| 1| bitD->ptr = bitD->start; 516| 1| bitD->bitContainer = *(const BYTE*)(bitD->start); 517| 1| switch(srcSize) 518| 1| { 519| 0| case 7: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[6]) << (sizeof(bitD->bitContainer)*8 - 16);/* fall-through */ ------------------ | Branch (519:13): [True: 0, False: 1] ------------------ 520| 0| case 6: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[5]) << (sizeof(bitD->bitContainer)*8 - 24);/* fall-through */ ------------------ | Branch (520:13): [True: 0, False: 1] ------------------ 521| 0| case 5: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[4]) << (sizeof(bitD->bitContainer)*8 - 32);/* fall-through */ ------------------ | Branch (521:13): [True: 0, False: 1] ------------------ 522| 0| case 4: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[3]) << 24; /* fall-through */ ------------------ | Branch (522:13): [True: 0, False: 1] ------------------ 523| 0| case 3: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[2]) << 16; /* fall-through */ ------------------ | Branch (523:13): [True: 0, False: 1] ------------------ 524| 0| case 2: bitD->bitContainer += (size_t)(((const BYTE*)(srcBuffer))[1]) << 8; /* fall-through */ ------------------ | Branch (524:13): [True: 0, False: 1] ------------------ 525| 1| default: break; ------------------ | Branch (525:13): [True: 1, False: 0] ------------------ 526| 1| } 527| 1| { BYTE const lastByte = ((const BYTE*)srcBuffer)[srcSize-1]; 528| 1| bitD->bitsConsumed = lastByte ? 8 - BITv07_highbit32(lastByte) : 0; ------------------ | Branch (528:32): [True: 1, False: 0] ------------------ 529| 1| if (lastByte == 0) return ERROR(GENERIC); /* endMark not present */ } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (529:15): [True: 0, False: 1] ------------------ 530| 1| bitD->bitsConsumed += (U32)(sizeof(bitD->bitContainer) - srcSize)*8; 531| 1| } 532| | 533| 31| return srcSize; 534| 32|} zstd_v07.c:MEM_readLEST: 367| 255|{ 368| 255| if (MEM_32bits()) ------------------ | Branch (368:9): [True: 0, False: 255] ------------------ 369| 0| return (size_t)MEM_readLE32(memPtr); 370| 255| else 371| 255| return (size_t)MEM_readLE64(memPtr); 372| 255|} zstd_v07.c:FSEv07_initDState: 818| 76|{ 819| 76| const void* ptr = dt; 820| 76| const FSEv07_DTableHeader* const DTableH = (const FSEv07_DTableHeader*)ptr; 821| 76| DStatePtr->state = BITv07_readBits(bitD, DTableH->tableLog); 822| 76| BITv07_reloadDStream(bitD); 823| 76| DStatePtr->table = dt + 1; 824| 76|} zstd_v07.c:BITv07_readBits: 557| 972|{ 558| 972| size_t const value = BITv07_lookBits(bitD, nbBits); 559| 972| BITv07_skipBits(bitD, nbBits); 560| 972| return value; 561| 972|} zstd_v07.c:BITv07_lookBits: 538| 972|{ 539| 972| U32 const bitMask = sizeof(bitD->bitContainer)*8 - 1; 540| 972| return ((bitD->bitContainer << (bitD->bitsConsumed & bitMask)) >> 1) >> ((bitMask-nbBits) & bitMask); 541| 972|} zstd_v07.c:BITv07_skipBits: 552| 1.13k|{ 553| 1.13k| bitD->bitsConsumed += nbBits; 554| 1.13k|} zstd_v07.c:BITv07_reloadDStream: 573| 562|{ 574| 562| if (bitD->bitsConsumed > (sizeof(bitD->bitContainer)*8)) /* should not happen => corruption detected */ ------------------ | Branch (574:9): [True: 11, False: 551] ------------------ 575| 11| return BITv07_DStream_overflow; 576| | 577| 551| if (bitD->ptr >= bitD->start + sizeof(bitD->bitContainer)) { ------------------ | Branch (577:9): [True: 16, False: 535] ------------------ 578| 16| bitD->ptr -= bitD->bitsConsumed >> 3; 579| 16| bitD->bitsConsumed &= 7; 580| 16| bitD->bitContainer = MEM_readLEST(bitD->ptr); 581| 16| return BITv07_DStream_unfinished; 582| 16| } 583| 535| if (bitD->ptr == bitD->start) { ------------------ | Branch (583:9): [True: 327, False: 208] ------------------ 584| 327| if (bitD->bitsConsumed < sizeof(bitD->bitContainer)*8) return BITv07_DStream_endOfBuffer; ------------------ | Branch (584:13): [True: 323, False: 4] ------------------ 585| 4| return BITv07_DStream_completed; 586| 327| } 587| 208| { U32 nbBytes = bitD->bitsConsumed >> 3; 588| 208| BITv07_DStream_status result = BITv07_DStream_unfinished; 589| 208| if (bitD->ptr - nbBytes < bitD->start) { ------------------ | Branch (589:13): [True: 11, False: 197] ------------------ 590| 11| nbBytes = (U32)(bitD->ptr - bitD->start); /* ptr > start */ 591| 11| result = BITv07_DStream_endOfBuffer; 592| 11| } 593| 208| bitD->ptr -= nbBytes; 594| 208| bitD->bitsConsumed -= nbBytes*8; 595| 208| bitD->bitContainer = MEM_readLEST(bitD->ptr); /* reminder : srcSize > sizeof(bitD) */ 596| 208| return result; 597| 535| } 598| 535|} zstd_v07.c:FSEv07_decodeSymbolFast: 854| 152|{ 855| 152| FSEv07_decode_t const DInfo = ((const FSEv07_decode_t*)(DStatePtr->table))[DStatePtr->state]; 856| 152| U32 const nbBits = DInfo.nbBits; 857| 152| BYTE const symbol = DInfo.symbol; 858| 152| size_t const lowBits = BITv07_readBitsFast(bitD, nbBits); 859| | 860| 152| DStatePtr->state = DInfo.newState + lowBits; 861| 152| return symbol; 862| 152|} zstd_v07.c:BITv07_readBitsFast: 566| 152|{ 567| 152| size_t const value = BITv07_lookBitsFast(bitD, nbBits); 568| 152| BITv07_skipBits(bitD, nbBits); 569| 152| return value; 570| 152|} zstd_v07.c:BITv07_lookBitsFast: 546| 162|{ 547| 162| U32 const bitMask = sizeof(bitD->bitContainer)*8 - 1; 548| 162| return (bitD->bitContainer << (bitD->bitsConsumed & bitMask)) >> (((bitMask+1)-nbBits) & bitMask); 549| 162|} zstd_v07.c:FSEv07_decodeSymbol: 841| 351|{ 842| 351| FSEv07_decode_t const DInfo = ((const FSEv07_decode_t*)(DStatePtr->table))[DStatePtr->state]; 843| 351| U32 const nbBits = DInfo.nbBits; 844| 351| BYTE const symbol = DInfo.symbol; 845| 351| size_t const lowBits = BITv07_readBits(bitD, nbBits); 846| | 847| 351| DStatePtr->state = DInfo.newState + lowBits; 848| 351| return symbol; 849| 351|} zstd_v07.c:HUFv07_getDTableDesc: 1708| 16|{ 1709| 16| DTableDesc dtd; 1710| 16| memcpy(&dtd, table, sizeof(dtd)); 1711| 16| return dtd; 1712| 16|} zstd_v07.c:MEM_64bits: 265| 3|MEM_STATIC unsigned MEM_64bits(void) { return sizeof(size_t)==8; } zstd_v07.c:BITv07_endOfDStream: 604| 3|{ 605| 3| return ((DStream->ptr == DStream->start) && (DStream->bitsConsumed == sizeof(DStream->bitContainer)*8)); ------------------ | Branch (605:13): [True: 1, False: 2] | Branch (605:49): [True: 0, False: 1] ------------------ 606| 3|} zstd_v07.c:HUFv07_decompress4X2_usingDTable_internal: 1869| 1|{ 1870| | /* Check */ 1871| 1| if (cSrcSize < 10) return ERROR(corruption_detected); /* strict minimum : jump table + 1 byte per stream */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1871:9): [True: 0, False: 1] ------------------ 1872| | 1873| 1| { const BYTE* const istart = (const BYTE*) cSrc; 1874| 1| BYTE* const ostart = (BYTE*) dst; 1875| 1| BYTE* const oend = ostart + dstSize; 1876| 1| const void* const dtPtr = DTable + 1; 1877| 1| const HUFv07_DEltX2* const dt = (const HUFv07_DEltX2*)dtPtr; 1878| | 1879| | /* Init */ 1880| 1| BITv07_DStream_t bitD1; 1881| 1| BITv07_DStream_t bitD2; 1882| 1| BITv07_DStream_t bitD3; 1883| 1| BITv07_DStream_t bitD4; 1884| 1| size_t const length1 = MEM_readLE16(istart); 1885| 1| size_t const length2 = MEM_readLE16(istart+2); 1886| 1| size_t const length3 = MEM_readLE16(istart+4); 1887| 1| size_t const length4 = cSrcSize - (length1 + length2 + length3 + 6); 1888| 1| const BYTE* const istart1 = istart + 6; /* jumpTable */ 1889| 1| const BYTE* const istart2 = istart1 + length1; 1890| 1| const BYTE* const istart3 = istart2 + length2; 1891| 1| const BYTE* const istart4 = istart3 + length3; 1892| 1| const size_t segmentSize = (dstSize+3) / 4; 1893| 1| BYTE* const opStart2 = ostart + segmentSize; 1894| 1| BYTE* const opStart3 = opStart2 + segmentSize; 1895| 1| BYTE* const opStart4 = opStart3 + segmentSize; 1896| 1| BYTE* op1 = ostart; 1897| 1| BYTE* op2 = opStart2; 1898| 1| BYTE* op3 = opStart3; 1899| 1| BYTE* op4 = opStart4; 1900| 1| U32 endSignal; 1901| 1| DTableDesc const dtd = HUFv07_getDTableDesc(DTable); 1902| 1| U32 const dtLog = dtd.tableLog; 1903| | 1904| 1| if (length4 > cSrcSize) return ERROR(corruption_detected); /* overflow */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1904:13): [True: 0, False: 1] ------------------ 1905| 1| { size_t const errorCode = BITv07_initDStream(&bitD1, istart1, length1); 1906| 1| if (HUFv07_isError(errorCode)) return errorCode; } ------------------ | Branch (1906:15): [True: 0, False: 1] ------------------ 1907| 1| { size_t const errorCode = BITv07_initDStream(&bitD2, istart2, length2); 1908| 1| if (HUFv07_isError(errorCode)) return errorCode; } ------------------ | Branch (1908:15): [True: 1, False: 0] ------------------ 1909| 0| { size_t const errorCode = BITv07_initDStream(&bitD3, istart3, length3); 1910| 0| if (HUFv07_isError(errorCode)) return errorCode; } ------------------ | Branch (1910:15): [True: 0, False: 0] ------------------ 1911| 0| { size_t const errorCode = BITv07_initDStream(&bitD4, istart4, length4); 1912| 0| if (HUFv07_isError(errorCode)) return errorCode; } ------------------ | Branch (1912:15): [True: 0, False: 0] ------------------ 1913| | 1914| | /* 16-32 symbols per loop (4-8 symbols per stream) */ 1915| 0| endSignal = BITv07_reloadDStream(&bitD1) | BITv07_reloadDStream(&bitD2) | BITv07_reloadDStream(&bitD3) | BITv07_reloadDStream(&bitD4); 1916| 0| for ( ; (endSignal==BITv07_DStream_unfinished) && (op4<(oend-7)) ; ) { ------------------ | Branch (1916:17): [True: 0, False: 0] | Branch (1916:59): [True: 0, False: 0] ------------------ 1917| 0| HUFv07_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1918| 0| HUFv07_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1919| 0| HUFv07_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1920| 0| HUFv07_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1921| 0| HUFv07_DECODE_SYMBOLX2_1(op1, &bitD1); ------------------ | | 1782| 0| if (MEM_64bits() || (HUFv07_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 997| 0|#define HUFv07_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUFv07_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1782:9): [True: 0, False: 0] | | | Branch (1782:25): [True: 0, Folded] | | ------------------ | | 1783| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1922| 0| HUFv07_DECODE_SYMBOLX2_1(op2, &bitD2); ------------------ | | 1782| 0| if (MEM_64bits() || (HUFv07_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 997| 0|#define HUFv07_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUFv07_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1782:9): [True: 0, False: 0] | | | Branch (1782:25): [True: 0, Folded] | | ------------------ | | 1783| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1923| 0| HUFv07_DECODE_SYMBOLX2_1(op3, &bitD3); ------------------ | | 1782| 0| if (MEM_64bits() || (HUFv07_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 997| 0|#define HUFv07_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUFv07_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1782:9): [True: 0, False: 0] | | | Branch (1782:25): [True: 0, Folded] | | ------------------ | | 1783| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1924| 0| HUFv07_DECODE_SYMBOLX2_1(op4, &bitD4); ------------------ | | 1782| 0| if (MEM_64bits() || (HUFv07_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 997| 0|#define HUFv07_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUFv07_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (1782:9): [True: 0, False: 0] | | | Branch (1782:25): [True: 0, Folded] | | ------------------ | | 1783| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1925| 0| HUFv07_DECODE_SYMBOLX2_2(op1, &bitD1); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1926| 0| HUFv07_DECODE_SYMBOLX2_2(op2, &bitD2); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1927| 0| HUFv07_DECODE_SYMBOLX2_2(op3, &bitD3); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1928| 0| HUFv07_DECODE_SYMBOLX2_2(op4, &bitD4); ------------------ | | 1786| 0| if (MEM_64bits()) \ | | ------------------ | | | Branch (1786:9): [True: 0, False: 0] | | ------------------ | | 1787| 0| HUFv07_DECODE_SYMBOLX2_0(ptr, DStreamPtr) | | ------------------ | | | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) | | ------------------ ------------------ 1929| 0| HUFv07_DECODE_SYMBOLX2_0(op1, &bitD1); ------------------ | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1930| 0| HUFv07_DECODE_SYMBOLX2_0(op2, &bitD2); ------------------ | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1931| 0| HUFv07_DECODE_SYMBOLX2_0(op3, &bitD3); ------------------ | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1932| 0| HUFv07_DECODE_SYMBOLX2_0(op4, &bitD4); ------------------ | | 1779| 0| *ptr++ = HUFv07_decodeSymbolX2(DStreamPtr, dt, dtLog) ------------------ 1933| 0| endSignal = BITv07_reloadDStream(&bitD1) | BITv07_reloadDStream(&bitD2) | BITv07_reloadDStream(&bitD3) | BITv07_reloadDStream(&bitD4); 1934| 0| } 1935| | 1936| | /* check corruption */ 1937| 0| if (op1 > opStart2) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1937:13): [True: 0, False: 0] ------------------ 1938| 0| if (op2 > opStart3) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1938:13): [True: 0, False: 0] ------------------ 1939| 0| if (op3 > opStart4) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1939:13): [True: 0, False: 0] ------------------ 1940| | /* note : op4 supposed already verified within main loop */ 1941| | 1942| | /* finish bitStreams one by one */ 1943| 0| HUFv07_decodeStreamX2(op1, &bitD1, opStart2, dt, dtLog); 1944| 0| HUFv07_decodeStreamX2(op2, &bitD2, opStart3, dt, dtLog); 1945| 0| HUFv07_decodeStreamX2(op3, &bitD3, opStart4, dt, dtLog); 1946| 0| HUFv07_decodeStreamX2(op4, &bitD4, oend, dt, dtLog); 1947| | 1948| | /* check */ 1949| 0| endSignal = BITv07_endOfDStream(&bitD1) & BITv07_endOfDStream(&bitD2) & BITv07_endOfDStream(&bitD3) & BITv07_endOfDStream(&bitD4); 1950| 0| if (!endSignal) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (1950:13): [True: 0, False: 0] ------------------ 1951| | 1952| | /* decoded size */ 1953| 0| return dstSize; 1954| 0| } 1955| 0|} zstd_v07.c:HUFv07_fillDTableX4: 2041| 8|{ 2042| 8| U32 rankVal[HUFv07_TABLELOG_ABSOLUTEMAX + 1]; 2043| 8| const int scaleLog = nbBitsBaseline - targetLog; /* note : targetLog >= srcLog, hence scaleLog <= 1 */ 2044| 8| const U32 minBits = nbBitsBaseline - maxWeight; 2045| 8| U32 s; 2046| | 2047| 8| memcpy(rankVal, rankValOrigin, sizeof(rankVal)); 2048| | 2049| | /* fill DTable */ 2050| 261| for (s=0; s= minBits) { /* enough room for a second symbol */ ------------------ | Branch (2057:13): [True: 241, False: 12] ------------------ 2058| 241| U32 sortedRank; 2059| 241| int minWeight = nbBits + scaleLog; 2060| 241| if (minWeight < 1) minWeight = 1; ------------------ | Branch (2060:17): [True: 79, False: 162] ------------------ 2061| 241| sortedRank = rankStart[minWeight]; 2062| 241| HUFv07_fillDTableX4Level2(DTable+start, targetLog-nbBits, nbBits, 2063| 241| rankValOrigin[nbBits], minWeight, 2064| 241| sortedList+sortedRank, sortedListSize-sortedRank, 2065| 241| nbBitsBaseline, symbol); 2066| 241| } else { 2067| 12| HUFv07_DEltX4 DElt; 2068| 12| MEM_writeLE16(&(DElt.sequence), symbol); 2069| 12| DElt.nbBits = (BYTE)(nbBits); 2070| 12| DElt.length = 1; 2071| 12| { U32 u; 2072| 12| const U32 end = start + length; 2073| 24| for (u = start; u < end; u++) DTable[u] = DElt; ------------------ | Branch (2073:33): [True: 12, False: 12] ------------------ 2074| 12| } } 2075| 253| rankVal[weight] += length; 2076| 253| } 2077| 8|} zstd_v07.c:HUFv07_fillDTableX4Level2: 1999| 241|{ 2000| 241| HUFv07_DEltX4 DElt; 2001| 241| U32 rankVal[HUFv07_TABLELOG_ABSOLUTEMAX + 1]; 2002| | 2003| | /* get pre-calculated rankVal */ 2004| 241| memcpy(rankVal, rankValOrigin, sizeof(rankVal)); 2005| | 2006| | /* fill skipped values */ 2007| 241| if (minWeight>1) { ------------------ | Branch (2007:9): [True: 48, False: 193] ------------------ 2008| 48| U32 i, skipSize = rankVal[minWeight]; 2009| 48| MEM_writeLE16(&(DElt.sequence), baseSeq); 2010| 48| DElt.nbBits = (BYTE)(consumed); 2011| 48| DElt.length = 1; 2012| 123| for (i = 0; i < skipSize; i++) ------------------ | Branch (2012:21): [True: 75, False: 48] ------------------ 2013| 75| DTable[i] = DElt; 2014| 48| } 2015| | 2016| | /* fill DTable */ 2017| 8.80k| { U32 s; for (s=0; s= 1 */ ------------------ | Branch (2029:43): [True: 24.1k, False: 8.56k] ------------------ 2030| | 2031| 8.56k| rankVal[weight] += length; 2032| 8.56k| }} 2033| 241|} zstd_v07.c:MEM_writeLE16: 339| 8.62k|{ 340| 8.62k| if (MEM_isLittleEndian()) { ------------------ | Branch (340:9): [True: 8.62k, False: 0] ------------------ 341| 8.62k| MEM_write16(memPtr, val); 342| 8.62k| } else { 343| 0| BYTE* p = (BYTE*)memPtr; 344| 0| p[0] = (BYTE)val; 345| 0| p[1] = (BYTE)(val>>8); 346| 0| } 347| 8.62k|} zstd_v07.c:MEM_write16: 289| 8.62k|{ 290| 8.62k| memcpy(memPtr, &value, sizeof(value)); 291| 8.62k|} zstd_v07.c:HUFv07_decompress1X4_usingDTable_internal: 2224| 3|{ 2225| 3| BITv07_DStream_t bitD; 2226| | 2227| | /* Init */ 2228| 3| { size_t const errorCode = BITv07_initDStream(&bitD, cSrc, cSrcSize); 2229| 3| if (HUFv07_isError(errorCode)) return errorCode; ------------------ | Branch (2229:13): [True: 0, False: 3] ------------------ 2230| 3| } 2231| | 2232| | /* decode */ 2233| 3| { BYTE* const ostart = (BYTE*) dst; 2234| 3| BYTE* const oend = ostart + dstSize; 2235| 3| const void* const dtPtr = DTable+1; /* force compiler to not use strict-aliasing */ 2236| 3| const HUFv07_DEltX4* const dt = (const HUFv07_DEltX4*)dtPtr; 2237| 3| DTableDesc const dtd = HUFv07_getDTableDesc(DTable); 2238| 3| HUFv07_decodeStreamX4(ostart, &bitD, oend, dt, dtd.tableLog); 2239| 3| } 2240| | 2241| | /* check */ 2242| 3| if (!BITv07_endOfDStream(&bitD)) return ERROR(corruption_detected); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (2242:9): [True: 3, False: 0] ------------------ 2243| | 2244| | /* decoded size */ 2245| 0| return dstSize; 2246| 3|} zstd_v07.c:HUFv07_decodeStreamX4: 2195| 3|{ 2196| 3| BYTE* const pStart = p; 2197| | 2198| | /* up to 8 symbols at a time */ 2199| 4| while ((BITv07_reloadDStream(bitDPtr) == BITv07_DStream_unfinished) && (p < pEnd-7)) { ------------------ | Branch (2199:12): [True: 4, False: 0] | Branch (2199:76): [True: 1, False: 3] ------------------ 2200| 1| HUFv07_DECODE_SYMBOLX4_2(p, bitDPtr); ------------------ | | 2191| 1| if (MEM_64bits()) \ | | ------------------ | | | Branch (2191:9): [True: 1, False: 0] | | ------------------ | | 2192| 1| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2201| 1| HUFv07_DECODE_SYMBOLX4_1(p, bitDPtr); ------------------ | | 2187| 1| if (MEM_64bits() || (HUFv07_TABLELOG_MAX<=12)) \ | | ------------------ | | | | 997| 0|#define HUFv07_TABLELOG_MAX 12 /* max configured tableLog (for static allocation); can be modified up to HUFv07_ABSOLUTEMAX_TABLELOG */ | | ------------------ | | | Branch (2187:9): [True: 1, False: 0] | | | Branch (2187:25): [True: 0, Folded] | | ------------------ | | 2188| 1| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2202| 1| HUFv07_DECODE_SYMBOLX4_2(p, bitDPtr); ------------------ | | 2191| 1| if (MEM_64bits()) \ | | ------------------ | | | Branch (2191:9): [True: 1, False: 0] | | ------------------ | | 2192| 1| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2203| 1| HUFv07_DECODE_SYMBOLX4_0(p, bitDPtr); ------------------ | | 2184| 1| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2204| 1| } 2205| | 2206| | /* closer to end : up to 2 symbols at a time */ 2207| 9| while ((BITv07_reloadDStream(bitDPtr) == BITv07_DStream_unfinished) && (p <= pEnd-2)) ------------------ | Branch (2207:12): [True: 8, False: 1] | Branch (2207:76): [True: 6, False: 2] ------------------ 2208| 6| HUFv07_DECODE_SYMBOLX4_0(p, bitDPtr); ------------------ | | 2184| 6| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2209| | 2210| 3| while (p <= pEnd-2) ------------------ | Branch (2210:12): [True: 0, False: 3] ------------------ 2211| 0| HUFv07_DECODE_SYMBOLX4_0(p, bitDPtr); /* no need to reload : reached the end of DStream */ ------------------ | | 2184| 0| ptr += HUFv07_decodeSymbolX4(ptr, DStreamPtr, dt, dtLog) ------------------ 2212| | 2213| 3| if (p < pEnd) ------------------ | Branch (2213:9): [True: 0, False: 3] ------------------ 2214| 0| p += HUFv07_decodeLastSymbolX4(p, bitDPtr, dt, dtLog); 2215| | 2216| 3| return p-pStart; 2217| 3|} zstd_v07.c:HUFv07_decodeSymbolX4: 2161| 10|{ 2162| 10| const size_t val = BITv07_lookBitsFast(DStream, dtLog); /* note : dtLog >= 1 */ 2163| 10| memcpy(op, dt+val, 2); 2164| 10| BITv07_skipBits(DStream, dt[val].nbBits); 2165| 10| return dt[val].length; 2166| 10|} zstd_v07.c:ZSTDv07_defaultAllocFunction: 2577| 44|{ 2578| 44| void* address = malloc(size); 2579| 44| (void)opaque; 2580| | /* printf("alloc %p, %d opaque=%p \n", address, (int)size, opaque); */ 2581| 44| return address; 2582| 44|} zstd_v07.c:ZSTDv07_defaultFreeFunction: 2585| 44|{ 2586| 44| (void)opaque; 2587| | /* if (address) printf("free %p opaque=%p \n", address, opaque); */ 2588| 44| free(address); 2589| 44|} zstd_v07.c:ZSTDv07_frameHeaderSize: 3078| 143|{ 3079| 143| if (srcSize < ZSTDv07_frameHeaderSize_min) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3079:9): [True: 0, False: 143] ------------------ 3080| 143| { BYTE const fhd = ((const BYTE*)src)[4]; 3081| 143| U32 const dictID= fhd & 3; 3082| 143| U32 const directMode = (fhd >> 5) & 1; 3083| 143| U32 const fcsId = fhd >> 6; 3084| 143| return ZSTDv07_frameHeaderSize_min + !directMode + ZSTDv07_did_fieldSize[dictID] + ZSTDv07_fcs_fieldSize[fcsId] 3085| 143| + (directMode && !ZSTDv07_fcs_fieldSize[fcsId]); ------------------ | Branch (3085:20): [True: 25, False: 118] | Branch (3085:34): [True: 8, False: 17] ------------------ 3086| 143| } 3087| 143|} zstd_v07.c:MEM_32bits: 264| 775|MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; } zstd_v07.c:MEM_readLE16: 329| 10|{ 330| 10| if (MEM_isLittleEndian()) ------------------ | Branch (330:9): [True: 10, False: 0] ------------------ 331| 10| return MEM_read16(memPtr); 332| 0| else { 333| 0| const BYTE* p = (const BYTE*)memPtr; 334| 0| return (U16)(p[0] + (p[1]<<8)); 335| 0| } 336| 10|} zstd_v07.c:MEM_read16: 274| 10|{ 275| 10| U16 val; memcpy(&val, memPtr, sizeof(val)); return val; 276| 10|} zstd_v07.c:MEM_readLE64: 359| 260|{ 360| 260| if (MEM_isLittleEndian()) ------------------ | Branch (360:9): [True: 260, False: 0] ------------------ 361| 260| return MEM_read64(memPtr); 362| 0| else 363| 0| return MEM_swap64(MEM_read64(memPtr)); 364| 260|} zstd_v07.c:MEM_read64: 284| 260|{ 285| 260| U64 val; memcpy(&val, memPtr, sizeof(val)); return val; 286| 260|} zstd_v07.c:ZSTDv07_checkContinuity: 3678| 44|{ 3679| 44| if (dst != dctx->previousDstEnd) { /* not contiguous */ ------------------ | Branch (3679:9): [True: 44, False: 0] ------------------ 3680| 44| dctx->dictEnd = dctx->previousDstEnd; 3681| 44| dctx->vBase = (const char*)dst - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 3682| 44| dctx->base = dst; 3683| 44| dctx->previousDstEnd = dst; 3684| 44| } 3685| 44|} zstd_v07.c:ZSTDv07_decompressBlock_internal: 3691| 34|{ /* blockType == blockCompressed */ 3692| 34| const BYTE* ip = (const BYTE*)src; 3693| | 3694| 34| if (srcSize >= ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(srcSize_wrong); ------------------ | | 175| 34|#define ZSTDv07_BLOCKSIZE_ABSOLUTEMAX (128 * 1024) /* define, for static allocation */ ------------------ if (srcSize >= ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3694:9): [True: 0, False: 34] ------------------ 3695| | 3696| | /* Decode literals sub-block */ 3697| 34| { size_t const litCSize = ZSTDv07_decodeLiteralsBlock(dctx, src, srcSize); 3698| 34| if (ZSTDv07_isError(litCSize)) return litCSize; ------------------ | | 2856| 34|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3698:13): [True: 11, False: 23] ------------------ 3699| 23| ip += litCSize; 3700| 23| srcSize -= litCSize; 3701| 23| } 3702| 0| return ZSTDv07_decompressSequences(dctx, dst, dstCapacity, ip, srcSize); 3703| 34|} zstd_v07.c:ZSTDv07_decodeLiteralsBlock: 3231| 34|{ 3232| 34| const BYTE* const istart = (const BYTE*) src; 3233| | 3234| 34| if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 2663| 34|#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */ | | ------------------ | | | | 2662| 34|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ | | ------------------ ------------------ if (srcSize < MIN_CBLOCK_SIZE) return ERROR(corruption_detected); ------------------ | | 49| 5|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 5|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 5|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3234:9): [True: 5, False: 29] ------------------ 3235| | 3236| 29| switch((litBlockType_t)(istart[0]>> 6)) 3237| 29| { 3238| 3| case lbt_huffman: ------------------ | Branch (3238:5): [True: 3, False: 26] ------------------ 3239| 3| { size_t litSize, litCSize, singleStream=0; 3240| 3| U32 lhSize = (istart[0] >> 4) & 3; 3241| 3| if (srcSize < 5) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need up to 5 for lhSize, + cSize (+nbSeq) */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3241:17): [True: 0, False: 3] ------------------ 3242| 3| switch(lhSize) 3243| 3| { 3244| 3| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3244:13): [True: 3, False: 0] | Branch (3244:21): [True: 0, False: 3] | Branch (3244:29): [True: 0, False: 3] ------------------ 3245| | /* 2 - 2 - 10 - 10 */ 3246| 3| lhSize=3; 3247| 3| singleStream = istart[0] & 16; 3248| 3| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 3249| 3| litCSize = ((istart[1] & 3) << 8) + istart[2]; 3250| 3| break; 3251| 0| case 2: ------------------ | Branch (3251:13): [True: 0, False: 3] ------------------ 3252| | /* 2 - 2 - 14 - 14 */ 3253| 0| lhSize=4; 3254| 0| litSize = ((istart[0] & 15) << 10) + (istart[1] << 2) + (istart[2] >> 6); 3255| 0| litCSize = ((istart[2] & 63) << 8) + istart[3]; 3256| 0| break; 3257| 0| case 3: ------------------ | Branch (3257:13): [True: 0, False: 3] ------------------ 3258| | /* 2 - 2 - 18 - 18 */ 3259| 0| lhSize=5; 3260| 0| litSize = ((istart[0] & 15) << 14) + (istart[1] << 6) + (istart[2] >> 2); 3261| 0| litCSize = ((istart[2] & 3) << 16) + (istart[3] << 8) + istart[4]; 3262| 0| break; 3263| 3| } 3264| 3| if (litSize > ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 175| 3|#define ZSTDv07_BLOCKSIZE_ABSOLUTEMAX (128 * 1024) /* define, for static allocation */ ------------------ if (litSize > ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3264:17): [True: 0, False: 3] ------------------ 3265| 3| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3265:17): [True: 0, False: 3] ------------------ 3266| | 3267| 3| if (HUFv07_isError(singleStream ? ------------------ | | 2858| 3|#define HUFv07_isError ERR_isError ------------------ | Branch (3267:17): [True: 3, False: 0] | Branch (3267:32): [True: 0, False: 3] ------------------ 3268| 0| HUFv07_decompress1X2_DCtx(dctx->hufTable, dctx->litBuffer, litSize, istart+lhSize, litCSize) : 3269| 3| HUFv07_decompress4X_hufOnly (dctx->hufTable, dctx->litBuffer, litSize, istart+lhSize, litCSize) )) 3270| 3| return ERROR(corruption_detected); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3271| | 3272| 0| dctx->litPtr = dctx->litBuffer; 3273| 0| dctx->litSize = litSize; 3274| 0| dctx->litEntropy = 1; 3275| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 2721| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 3276| 0| return litCSize + lhSize; 3277| 3| } 3278| 3| case lbt_repeat: ------------------ | Branch (3278:5): [True: 3, False: 26] ------------------ 3279| 3| { size_t litSize, litCSize; 3280| 3| U32 lhSize = ((istart[0]) >> 4) & 3; 3281| 3| if (lhSize != 1) /* only case supported for now : small litSize, single stream */ ------------------ | Branch (3281:17): [True: 0, False: 3] ------------------ 3282| 0| return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3283| 3| if (dctx->litEntropy==0) ------------------ | Branch (3283:17): [True: 0, False: 3] ------------------ 3284| 0| return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3285| | 3286| | /* 2 - 2 - 10 - 10 */ 3287| 3| lhSize=3; 3288| 3| litSize = ((istart[0] & 15) << 6) + (istart[1] >> 2); 3289| 3| litCSize = ((istart[1] & 3) << 8) + istart[2]; 3290| 3| if (litCSize + lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3290:17): [True: 0, False: 3] ------------------ 3291| | 3292| 3| { size_t const errorCode = HUFv07_decompress1X4_usingDTable(dctx->litBuffer, litSize, istart+lhSize, litCSize, dctx->hufTable); 3293| 3| if (HUFv07_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 2858| 3|#define HUFv07_isError ERR_isError ------------------ if (HUFv07_isError(errorCode)) return ERROR(corruption_detected); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3293:21): [True: 3, False: 0] ------------------ 3294| 3| } 3295| 0| dctx->litPtr = dctx->litBuffer; 3296| 0| dctx->litSize = litSize; 3297| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 2721| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 3298| 0| return litCSize + lhSize; 3299| 3| } 3300| 0| case lbt_raw: ------------------ | Branch (3300:5): [True: 0, False: 29] ------------------ 3301| 0| { size_t litSize; 3302| 0| U32 lhSize = ((istart[0]) >> 4) & 3; 3303| 0| switch(lhSize) 3304| 0| { 3305| 0| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3305:13): [True: 0, False: 0] | Branch (3305:21): [True: 0, False: 0] | Branch (3305:29): [True: 0, False: 0] ------------------ 3306| 0| lhSize=1; 3307| 0| litSize = istart[0] & 31; 3308| 0| break; 3309| 0| case 2: ------------------ | Branch (3309:13): [True: 0, False: 0] ------------------ 3310| 0| litSize = ((istart[0] & 15) << 8) + istart[1]; 3311| 0| break; 3312| 0| case 3: ------------------ | Branch (3312:13): [True: 0, False: 0] ------------------ 3313| 0| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 3314| 0| break; 3315| 0| } 3316| | 3317| 0| if (lhSize+litSize+WILDCOPY_OVERLENGTH > srcSize) { /* risk reading beyond src buffer with wildcopy */ ------------------ | | 2721| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ | Branch (3317:17): [True: 0, False: 0] ------------------ 3318| 0| if (litSize+lhSize > srcSize) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3318:21): [True: 0, False: 0] ------------------ 3319| 0| memcpy(dctx->litBuffer, istart+lhSize, litSize); 3320| 0| dctx->litPtr = dctx->litBuffer; 3321| 0| dctx->litSize = litSize; 3322| 0| memset(dctx->litBuffer + dctx->litSize, 0, WILDCOPY_OVERLENGTH); ------------------ | | 2721| 0|#define WILDCOPY_OVERLENGTH 8 ------------------ 3323| 0| return lhSize+litSize; 3324| 0| } 3325| | /* direct reference into compressed stream */ 3326| 0| dctx->litPtr = istart+lhSize; 3327| 0| dctx->litSize = litSize; 3328| 0| return lhSize+litSize; 3329| 0| } 3330| 23| case lbt_rle: ------------------ | Branch (3330:5): [True: 23, False: 6] ------------------ 3331| 23| { size_t litSize; 3332| 23| U32 lhSize = ((istart[0]) >> 4) & 3; 3333| 23| switch(lhSize) 3334| 23| { 3335| 1| case 0: case 1: default: /* note : default is impossible, since lhSize into [0..3] */ ------------------ | Branch (3335:13): [True: 1, False: 22] | Branch (3335:21): [True: 0, False: 23] | Branch (3335:29): [True: 0, False: 23] ------------------ 3336| 1| lhSize = 1; 3337| 1| litSize = istart[0] & 31; 3338| 1| break; 3339| 22| case 2: ------------------ | Branch (3339:13): [True: 22, False: 1] ------------------ 3340| 22| litSize = ((istart[0] & 15) << 8) + istart[1]; 3341| 22| break; 3342| 0| case 3: ------------------ | Branch (3342:13): [True: 0, False: 23] ------------------ 3343| 0| litSize = ((istart[0] & 15) << 16) + (istart[1] << 8) + istart[2]; 3344| 0| if (srcSize<4) return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need lhSize+1 = 4 */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3344:21): [True: 0, False: 0] ------------------ 3345| 0| break; 3346| 23| } 3347| 23| if (litSize > ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 175| 23|#define ZSTDv07_BLOCKSIZE_ABSOLUTEMAX (128 * 1024) /* define, for static allocation */ ------------------ if (litSize > ZSTDv07_BLOCKSIZE_ABSOLUTEMAX) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3347:17): [True: 0, False: 23] ------------------ 3348| 23| memset(dctx->litBuffer, istart[lhSize], litSize + WILDCOPY_OVERLENGTH); ------------------ | | 2721| 23|#define WILDCOPY_OVERLENGTH 8 ------------------ 3349| 23| dctx->litPtr = dctx->litBuffer; 3350| 23| dctx->litSize = litSize; 3351| 23| return lhSize+1; 3352| 23| } 3353| 0| default: ------------------ | Branch (3353:5): [True: 0, False: 29] ------------------ 3354| 0| return ERROR(corruption_detected); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3355| 29| } 3356| 29|} zstd_v07.c:ZSTDv07_decompressSequences: 3616| 23|{ 3617| 23| const BYTE* ip = (const BYTE*)seqStart; 3618| 23| const BYTE* const iend = ip + seqSize; 3619| 23| BYTE* const ostart = (BYTE*)dst; 3620| 23| BYTE* const oend = ostart + maxDstSize; 3621| 23| BYTE* op = ostart; 3622| 23| const BYTE* litPtr = dctx->litPtr; 3623| 23| const BYTE* const litEnd = litPtr + dctx->litSize; 3624| 23| FSEv07_DTable* DTableLL = dctx->LLTable; 3625| 23| FSEv07_DTable* DTableML = dctx->MLTable; 3626| 23| FSEv07_DTable* DTableOffb = dctx->OffTable; 3627| 23| const BYTE* const base = (const BYTE*) (dctx->base); 3628| 23| const BYTE* const vBase = (const BYTE*) (dctx->vBase); 3629| 23| const BYTE* const dictEnd = (const BYTE*) (dctx->dictEnd); 3630| 23| int nbSeq; 3631| | 3632| | /* Build Decoding Tables */ 3633| 23| { size_t const seqHSize = ZSTDv07_decodeSeqHeaders(&nbSeq, DTableLL, DTableML, DTableOffb, dctx->fseEntropy, ip, seqSize); 3634| 23| if (ZSTDv07_isError(seqHSize)) return seqHSize; ------------------ | | 2856| 23|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3634:13): [True: 0, False: 23] ------------------ 3635| 23| ip += seqHSize; 3636| 23| } 3637| | 3638| | /* Regen sequences */ 3639| 23| if (nbSeq) { ------------------ | Branch (3639:9): [True: 22, False: 1] ------------------ 3640| 22| seqState_t seqState; 3641| 22| dctx->fseEntropy = 1; 3642| 88| { U32 i; for (i=0; irep[i]; } ------------------ | | 2639| 88|#define ZSTDv07_REP_INIT ZSTDv07_REP_NUM | | ------------------ | | | | 2638| 88|#define ZSTDv07_REP_NUM 3 | | ------------------ ------------------ | Branch (3642:28): [True: 66, False: 22] ------------------ 3643| 22| { size_t const errorCode = BITv07_initDStream(&(seqState.DStream), ip, iend-ip); 3644| 22| if (ERR_isError(errorCode)) return ERROR(corruption_detected); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3644:15): [True: 0, False: 22] ------------------ 3645| 22| FSEv07_initDState(&(seqState.stateLL), &(seqState.DStream), DTableLL); 3646| 22| FSEv07_initDState(&(seqState.stateOffb), &(seqState.DStream), DTableOffb); 3647| 22| FSEv07_initDState(&(seqState.stateML), &(seqState.DStream), DTableML); 3648| | 3649| 132| for ( ; (BITv07_reloadDStream(&(seqState.DStream)) <= BITv07_DStream_completed) && nbSeq ; ) { ------------------ | Branch (3649:17): [True: 129, False: 3] | Branch (3649:92): [True: 128, False: 1] ------------------ 3650| 128| nbSeq--; 3651| 128| { seq_t const sequence = ZSTDv07_decodeSequence(&seqState); 3652| 128| size_t const oneSeqSize = ZSTDv07_execSequence(op, oend, sequence, &litPtr, litEnd, base, vBase, dictEnd); 3653| 128| if (ZSTDv07_isError(oneSeqSize)) return oneSeqSize; ------------------ | | 2856| 128|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3653:21): [True: 18, False: 110] ------------------ 3654| 110| op += oneSeqSize; 3655| 110| } } 3656| | 3657| | /* check if reached exact end */ 3658| 4| if (nbSeq) return ERROR(corruption_detected); ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3658:13): [True: 3, False: 1] ------------------ 3659| | /* save reps for next block */ 3660| 4| { U32 i; for (i=0; irep[i] = (U32)(seqState.prevOffset[i]); } ------------------ | | 2639| 4|#define ZSTDv07_REP_INIT ZSTDv07_REP_NUM | | ------------------ | | | | 2638| 4|#define ZSTDv07_REP_NUM 3 | | ------------------ ------------------ | Branch (3660:28): [True: 3, False: 1] ------------------ 3661| 1| } 3662| | 3663| | /* last literal segment */ 3664| 2| { size_t const lastLLSize = litEnd - litPtr; 3665| | /* if (litPtr > litEnd) return ERROR(corruption_detected); */ /* too many literals already used */ 3666| 2| if (lastLLSize > (size_t)(oend-op)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3666:13): [True: 0, False: 2] ------------------ 3667| 2| if (lastLLSize > 0) { ------------------ | Branch (3667:13): [True: 1, False: 1] ------------------ 3668| 1| memcpy(op, litPtr, lastLLSize); 3669| 1| op += lastLLSize; 3670| 1| } 3671| 2| } 3672| | 3673| 0| return op-ostart; 3674| 2|} zstd_v07.c:ZSTDv07_decodeSeqHeaders: 3396| 23|{ 3397| 23| const BYTE* const istart = (const BYTE*)src; 3398| 23| const BYTE* const iend = istart + srcSize; 3399| 23| const BYTE* ip = istart; 3400| | 3401| | /* check */ 3402| 23| if (srcSize < MIN_SEQUENCES_SIZE) return ERROR(srcSize_wrong); ------------------ | | 2662| 23|#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */ ------------------ if (srcSize < MIN_SEQUENCES_SIZE) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3402:9): [True: 0, False: 23] ------------------ 3403| | 3404| | /* SeqHead */ 3405| 23| { int nbSeq = *ip++; 3406| 23| if (!nbSeq) { *nbSeqPtr=0; return 1; } ------------------ | Branch (3406:13): [True: 1, False: 22] ------------------ 3407| 22| if (nbSeq > 0x7F) { ------------------ | Branch (3407:13): [True: 18, False: 4] ------------------ 3408| 18| if (nbSeq == 0xFF) { ------------------ | Branch (3408:17): [True: 5, False: 13] ------------------ 3409| 5| if (ip+2 > iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3409:21): [True: 0, False: 5] ------------------ 3410| 5| nbSeq = MEM_readLE16(ip) + LONGNBSEQ, ip+=2; ------------------ | | 2668| 5|#define LONGNBSEQ 0x7F00 ------------------ 3411| 13| } else { 3412| 13| if (ip >= iend) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3412:21): [True: 0, False: 13] ------------------ 3413| 13| nbSeq = ((nbSeq-0x80)<<8) + *ip++; 3414| 13| } 3415| 18| } 3416| 22| *nbSeqPtr = nbSeq; 3417| 22| } 3418| | 3419| | /* FSE table descriptors */ 3420| 22| if (ip + 4 > iend) return ERROR(srcSize_wrong); /* min : header byte + all 3 are "raw", hence no header, but at least xxLog bits per type */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3420:9): [True: 0, False: 22] ------------------ 3421| 22| { U32 const LLtype = *ip >> 6; 3422| 22| U32 const OFtype = (*ip >> 4) & 3; 3423| 22| U32 const MLtype = (*ip >> 2) & 3; 3424| 22| ip++; 3425| | 3426| | /* Build DTables */ 3427| 22| { size_t const llhSize = ZSTDv07_buildSeqTable(DTableLL, LLtype, MaxLL, LLFSELog, ip, iend-ip, LL_defaultNorm, LL_defaultNormLog, flagRepeatTable); ------------------ | | 2676| 22|#define MaxLL 35 ------------------ { size_t const llhSize = ZSTDv07_buildSeqTable(DTableLL, LLtype, MaxLL, LLFSELog, ip, iend-ip, LL_defaultNorm, LL_defaultNormLog, flagRepeatTable); ------------------ | | 2680| 22|#define LLFSELog 9 ------------------ 3428| 22| if (ZSTDv07_isError(llhSize)) return ERROR(corruption_detected); ------------------ | | 2856| 22|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv07_isError(llhSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3428:17): [True: 0, False: 22] ------------------ 3429| 22| ip += llhSize; 3430| 22| } 3431| 22| { size_t const ofhSize = ZSTDv07_buildSeqTable(DTableOffb, OFtype, MaxOff, OffFSELog, ip, iend-ip, OF_defaultNorm, OF_defaultNormLog, flagRepeatTable); ------------------ | | 2677| 22|#define MaxOff 28 ------------------ { size_t const ofhSize = ZSTDv07_buildSeqTable(DTableOffb, OFtype, MaxOff, OffFSELog, ip, iend-ip, OF_defaultNorm, OF_defaultNormLog, flagRepeatTable); ------------------ | | 2681| 22|#define OffFSELog 8 ------------------ 3432| 22| if (ZSTDv07_isError(ofhSize)) return ERROR(corruption_detected); ------------------ | | 2856| 22|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv07_isError(ofhSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3432:17): [True: 0, False: 22] ------------------ 3433| 22| ip += ofhSize; 3434| 22| } 3435| 22| { size_t const mlhSize = ZSTDv07_buildSeqTable(DTableML, MLtype, MaxML, MLFSELog, ip, iend-ip, ML_defaultNorm, ML_defaultNormLog, flagRepeatTable); ------------------ | | 2675| 22|#define MaxML 52 ------------------ { size_t const mlhSize = ZSTDv07_buildSeqTable(DTableML, MLtype, MaxML, MLFSELog, ip, iend-ip, ML_defaultNorm, ML_defaultNormLog, flagRepeatTable); ------------------ | | 2679| 22|#define MLFSELog 9 ------------------ 3436| 22| if (ZSTDv07_isError(mlhSize)) return ERROR(corruption_detected); ------------------ | | 2856| 22|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv07_isError(mlhSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3436:17): [True: 0, False: 22] ------------------ 3437| 22| ip += mlhSize; 3438| 22| } } 3439| | 3440| 0| return ip-istart; 3441| 22|} zstd_v07.c:ZSTDv07_buildSeqTable: 3366| 66|{ 3367| 66| switch(type) 3368| 66| { 3369| 19| case FSEv07_ENCODING_RLE : ------------------ | | 2684| 19|#define FSEv07_ENCODING_RLE 1 ------------------ | Branch (3369:5): [True: 19, False: 47] ------------------ 3370| 19| if (!srcSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3370:13): [True: 0, False: 19] ------------------ 3371| 19| if ( (*(const BYTE*)src) > max) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3371:14): [True: 0, False: 19] ------------------ 3372| 19| FSEv07_buildDTable_rle(DTable, *(const BYTE*)src); /* if *src > max, data is corrupted */ 3373| 19| return 1; 3374| 33| case FSEv07_ENCODING_RAW : ------------------ | | 2683| 33|#define FSEv07_ENCODING_RAW 0 ------------------ | Branch (3374:5): [True: 33, False: 33] ------------------ 3375| 33| FSEv07_buildDTable(DTable, defaultNorm, max, defaultLog); 3376| 33| return 0; 3377| 0| case FSEv07_ENCODING_STATIC: ------------------ | | 2685| 0|#define FSEv07_ENCODING_STATIC 2 ------------------ | Branch (3377:5): [True: 0, False: 66] ------------------ 3378| 0| if (!flagRepeatTable) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3378:13): [True: 0, False: 0] ------------------ 3379| 0| return 0; 3380| 0| default : /* impossible */ ------------------ | Branch (3380:5): [True: 0, False: 66] ------------------ 3381| 14| case FSEv07_ENCODING_DYNAMIC : ------------------ | | 2686| 14|#define FSEv07_ENCODING_DYNAMIC 3 ------------------ | Branch (3381:5): [True: 14, False: 52] ------------------ 3382| 14| { U32 tableLog; 3383| 14| S16 norm[MaxSeq+1]; 3384| 14| size_t const headerSize = FSEv07_readNCount(norm, &max, &tableLog, src, srcSize); 3385| 14| if (FSEv07_isError(headerSize)) return ERROR(corruption_detected); ------------------ | | 2857| 14|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(headerSize)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3385:17): [True: 0, False: 14] ------------------ 3386| 14| if (tableLog > maxLog) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3386:17): [True: 0, False: 14] ------------------ 3387| 14| FSEv07_buildDTable(DTable, norm, max, tableLog); 3388| 14| return headerSize; 3389| 14| } } 3390| 66|} zstd_v07.c:ZSTDv07_decodeSequence: 3460| 128|{ 3461| 128| seq_t seq; 3462| | 3463| 128| U32 const llCode = FSEv07_peekSymbol(&(seqState->stateLL)); 3464| 128| U32 const mlCode = FSEv07_peekSymbol(&(seqState->stateML)); 3465| 128| U32 const ofCode = FSEv07_peekSymbol(&(seqState->stateOffb)); /* <= maxOff, by table construction */ 3466| | 3467| 128| U32 const llBits = LL_bits[llCode]; 3468| 128| U32 const mlBits = ML_bits[mlCode]; 3469| 128| U32 const ofBits = ofCode; 3470| 128| U32 const totalBits = llBits+mlBits+ofBits; 3471| | 3472| 128| static const U32 LL_base[MaxLL+1] = { 3473| 128| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 3474| 128| 16, 18, 20, 22, 24, 28, 32, 40, 48, 64, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 3475| 128| 0x2000, 0x4000, 0x8000, 0x10000 }; 3476| | 3477| 128| static const U32 ML_base[MaxML+1] = { 3478| 128| 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 3479| 128| 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 3480| 128| 35, 37, 39, 41, 43, 47, 51, 59, 67, 83, 99, 0x83, 0x103, 0x203, 0x403, 0x803, 3481| 128| 0x1003, 0x2003, 0x4003, 0x8003, 0x10003 }; 3482| | 3483| 128| static const U32 OF_base[MaxOff+1] = { 3484| 128| 0, 1, 1, 5, 0xD, 0x1D, 0x3D, 0x7D, 3485| 128| 0xFD, 0x1FD, 0x3FD, 0x7FD, 0xFFD, 0x1FFD, 0x3FFD, 0x7FFD, 3486| 128| 0xFFFD, 0x1FFFD, 0x3FFFD, 0x7FFFD, 0xFFFFD, 0x1FFFFD, 0x3FFFFD, 0x7FFFFD, 3487| 128| 0xFFFFFD, 0x1FFFFFD, 0x3FFFFFD, 0x7FFFFFD, 0xFFFFFFD }; 3488| | 3489| | /* sequence */ 3490| 128| { size_t offset; 3491| 128| if (!ofCode) ------------------ | Branch (3491:13): [True: 84, False: 44] ------------------ 3492| 84| offset = 0; 3493| 44| else { 3494| 44| offset = OF_base[ofCode] + BITv07_readBits(&(seqState->DStream), ofBits); /* <= (ZSTDv07_WINDOWLOG_MAX-1) bits */ 3495| 44| if (MEM_32bits()) BITv07_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3495:17): [True: 0, False: 44] ------------------ 3496| 44| } 3497| | 3498| 128| if (ofCode <= 1) { ------------------ | Branch (3498:13): [True: 89, False: 39] ------------------ 3499| 89| if ((llCode == 0) & (offset <= 1)) offset = 1-offset; ------------------ | Branch (3499:17): [True: 53, False: 36] ------------------ 3500| 89| if (offset) { ------------------ | Branch (3500:17): [True: 56, False: 33] ------------------ 3501| 56| size_t const temp = seqState->prevOffset[offset]; 3502| 56| if (offset != 1) seqState->prevOffset[2] = seqState->prevOffset[1]; ------------------ | Branch (3502:21): [True: 1, False: 55] ------------------ 3503| 56| seqState->prevOffset[1] = seqState->prevOffset[0]; 3504| 56| seqState->prevOffset[0] = offset = temp; 3505| 56| } else { 3506| 33| offset = seqState->prevOffset[0]; 3507| 33| } 3508| 89| } else { 3509| 39| seqState->prevOffset[2] = seqState->prevOffset[1]; 3510| 39| seqState->prevOffset[1] = seqState->prevOffset[0]; 3511| 39| seqState->prevOffset[0] = offset; 3512| 39| } 3513| 128| seq.offset = offset; 3514| 128| } 3515| | 3516| 128| seq.matchLength = ML_base[mlCode] + ((mlCode>31) ? BITv07_readBits(&(seqState->DStream), mlBits) : 0); /* <= 16 bits */ ------------------ | Branch (3516:42): [True: 79, False: 49] ------------------ 3517| 128| if (MEM_32bits() && (mlBits+llBits>24)) BITv07_reloadDStream(&(seqState->DStream)); ------------------ | Branch (3517:9): [True: 0, False: 128] | Branch (3517:25): [True: 0, False: 0] ------------------ 3518| | 3519| 128| seq.litLength = LL_base[llCode] + ((llCode>15) ? BITv07_readBits(&(seqState->DStream), llBits) : 0); /* <= 16 bits */ ------------------ | Branch (3519:40): [True: 38, False: 90] ------------------ 3520| 128| if (MEM_32bits() || ------------------ | Branch (3520:9): [True: 0, False: 128] ------------------ 3521| 128| (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv07_reloadDStream(&(seqState->DStream)); ------------------ | | 2680| 128|#define LLFSELog 9 ------------------ (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv07_reloadDStream(&(seqState->DStream)); ------------------ | | 2679| 128|#define MLFSELog 9 ------------------ (totalBits > 64 - 7 - (LLFSELog+MLFSELog+OffFSELog)) ) BITv07_reloadDStream(&(seqState->DStream)); ------------------ | | 2681| 128|#define OffFSELog 8 ------------------ | Branch (3521:8): [True: 3, False: 125] ------------------ 3522| | 3523| | /* ANS state update */ 3524| 128| FSEv07_updateState(&(seqState->stateLL), &(seqState->DStream)); /* <= 9 bits */ 3525| 128| FSEv07_updateState(&(seqState->stateML), &(seqState->DStream)); /* <= 9 bits */ 3526| 128| if (MEM_32bits()) BITv07_reloadDStream(&(seqState->DStream)); /* <= 18 bits */ ------------------ | Branch (3526:9): [True: 0, False: 128] ------------------ 3527| 128| FSEv07_updateState(&(seqState->stateOffb), &(seqState->DStream)); /* <= 8 bits */ 3528| | 3529| 128| return seq; 3530| 128|} zstd_v07.c:FSEv07_peekSymbol: 827| 384|{ 828| 384| FSEv07_decode_t const DInfo = ((const FSEv07_decode_t*)(DStatePtr->table))[DStatePtr->state]; 829| 384| return DInfo.symbol; 830| 384|} zstd_v07.c:FSEv07_updateState: 833| 384|{ 834| 384| FSEv07_decode_t const DInfo = ((const FSEv07_decode_t*)(DStatePtr->table))[DStatePtr->state]; 835| 384| U32 const nbBits = DInfo.nbBits; 836| 384| size_t const lowBits = BITv07_readBits(bitD, nbBits); 837| 384| DStatePtr->state = DInfo.newState + lowBits; 838| 384|} zstd_v07.c:ZSTDv07_execSequence: 3538| 128|{ 3539| 128| BYTE* const oLitEnd = op + sequence.litLength; 3540| 128| size_t const sequenceLength = sequence.litLength + sequence.matchLength; 3541| 128| BYTE* const oMatchEnd = op + sequenceLength; /* risk : address space overflow (32-bits) */ 3542| 128| BYTE* const oend_w = oend-WILDCOPY_OVERLENGTH; ------------------ | | 2721| 128|#define WILDCOPY_OVERLENGTH 8 ------------------ 3543| 128| const BYTE* const iLitEnd = *litPtr + sequence.litLength; 3544| 128| const BYTE* match = oLitEnd - sequence.offset; 3545| | 3546| | /* check */ 3547| 128| assert(oend >= op); ------------------ | | 70| 128|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 3548| 128| if (sequence.litLength + WILDCOPY_OVERLENGTH > (size_t)(oend - op)) return ERROR(dstSize_tooSmall); ------------------ | | 2721| 128|#define WILDCOPY_OVERLENGTH 8 ------------------ if (sequence.litLength + WILDCOPY_OVERLENGTH > (size_t)(oend - op)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 8|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 8|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 8|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3548:9): [True: 8, False: 120] ------------------ 3549| 120| if (sequenceLength > (size_t)(oend - op)) return ERROR(dstSize_tooSmall); ------------------ | | 49| 7|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 7|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 7|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3549:9): [True: 7, False: 113] ------------------ 3550| 113| assert(litLimit >= *litPtr); ------------------ | | 70| 113|# define assert(condition) ((void)0) /* disable assert (default) */ ------------------ 3551| 113| if (sequence.litLength > (size_t)(litLimit - *litPtr)) return ERROR(corruption_detected);; ------------------ | | 49| 3|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 3|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 3|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3551:9): [True: 3, False: 110] ------------------ 3552| | 3553| | /* copy Literals */ 3554| 110| ZSTDv07_wildcopy(op, *litPtr, (ptrdiff_t)sequence.litLength); /* note : since oLitEnd <= oend-WILDCOPY_OVERLENGTH, no risk of overwrite beyond oend */ 3555| 110| op = oLitEnd; 3556| 110| *litPtr = iLitEnd; /* update for next sequence */ 3557| | 3558| | /* copy Match */ 3559| 110| if (sequence.offset > (size_t)(oLitEnd - base)) { ------------------ | Branch (3559:9): [True: 16, False: 94] ------------------ 3560| | /* offset beyond prefix */ 3561| 16| if (sequence.offset > (size_t)(oLitEnd - vBase)) return ERROR(corruption_detected); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3561:13): [True: 0, False: 16] ------------------ 3562| 16| match = dictEnd - (base-match); 3563| 16| if (match + sequence.matchLength <= dictEnd) { ------------------ | Branch (3563:13): [True: 11, False: 5] ------------------ 3564| 11| memmove(oLitEnd, match, sequence.matchLength); 3565| 11| return sequenceLength; 3566| 11| } 3567| | /* span extDict & currentPrefixSegment */ 3568| 5| { size_t const length1 = (size_t)(dictEnd - match); 3569| 5| memmove(oLitEnd, match, length1); 3570| 5| op = oLitEnd + length1; 3571| 5| sequence.matchLength -= length1; 3572| 5| match = base; 3573| 5| if (op > oend_w || sequence.matchLength < MINMATCH) { ------------------ | | 2670| 5|#define MINMATCH 3 ------------------ | Branch (3573:17): [True: 0, False: 5] | Branch (3573:32): [True: 0, False: 5] ------------------ 3574| 0| while (op < oMatchEnd) *op++ = *match++; ------------------ | Branch (3574:22): [True: 0, False: 0] ------------------ 3575| 0| return sequenceLength; 3576| 0| } 3577| 5| } } 3578| | /* Requirement: op <= oend_w */ 3579| | 3580| | /* match within prefix */ 3581| 99| if (sequence.offset < 8) { ------------------ | Branch (3581:9): [True: 83, False: 16] ------------------ 3582| | /* close range match, overlap */ 3583| 83| static const U32 dec32table[] = { 0, 1, 2, 1, 4, 4, 4, 4 }; /* added */ 3584| 83| static const int dec64table[] = { 8, 8, 8, 7, 8, 9,10,11 }; /* subtracted */ 3585| 83| int const sub2 = dec64table[sequence.offset]; 3586| 83| op[0] = match[0]; 3587| 83| op[1] = match[1]; 3588| 83| op[2] = match[2]; 3589| 83| op[3] = match[3]; 3590| 83| match += dec32table[sequence.offset]; 3591| 83| ZSTDv07_copy4(op+4, match); 3592| 83| match -= sub2; 3593| 83| } else { 3594| 16| ZSTDv07_copy8(op, match); 3595| 16| } 3596| 99| op += 8; match += 8; 3597| | 3598| 99| if (oMatchEnd > oend-(16-MINMATCH)) { ------------------ | | 2670| 99|#define MINMATCH 3 ------------------ | Branch (3598:9): [True: 8, False: 91] ------------------ 3599| 8| if (op < oend_w) { ------------------ | Branch (3599:13): [True: 4, False: 4] ------------------ 3600| 4| ZSTDv07_wildcopy(op, match, oend_w - op); 3601| 4| match += oend_w - op; 3602| 4| op = oend_w; 3603| 4| } 3604| 21| while (op < oMatchEnd) *op++ = *match++; ------------------ | Branch (3604:16): [True: 13, False: 8] ------------------ 3605| 91| } else { 3606| 91| ZSTDv07_wildcopy(op, match, (ptrdiff_t)sequence.matchLength-8); /* works even if matchLength < 8 */ 3607| 91| } 3608| 99| return sequenceLength; 3609| 110|} zstd_v07.c:ZSTDv07_wildcopy: 2723| 205|{ 2724| 205| const BYTE* ip = (const BYTE*)src; 2725| 205| BYTE* op = (BYTE*)dst; 2726| 205| BYTE* const oend = op + length; 2727| 205| do 2728| 7.68k| COPY8(op, ip) ------------------ | | 2717| 7.68k|#define COPY8(d,s) { ZSTDv07_copy8(d,s); d+=8; s+=8; } ------------------ 2729| 7.68k| while (op < oend); ------------------ | Branch (2729:12): [True: 7.48k, False: 205] ------------------ 2730| 205|} zstd_v07.c:ZSTDv07_copy4: 2864| 83|static void ZSTDv07_copy4(void* dst, const void* src) { memcpy(dst, src, 4); } zstd_v07.c:ZSTDv07_copy8: 2716| 7.70k|static void ZSTDv07_copy8(void* dst, const void* src) { memcpy(dst, src, 8); } zstd_v07.c:ZSTDv07_decompressFrame: 3743| 44|{ 3744| 44| const BYTE* ip = (const BYTE*)src; 3745| 44| const BYTE* const iend = ip + srcSize; 3746| 44| BYTE* const ostart = (BYTE*)dst; 3747| 44| BYTE* const oend = ostart + dstCapacity; 3748| 44| BYTE* op = ostart; 3749| 44| size_t remainingSize = srcSize; 3750| | 3751| | /* check */ 3752| 44| if (srcSize < ZSTDv07_frameHeaderSize_min+ZSTDv07_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3752:9): [True: 0, False: 44] ------------------ 3753| | 3754| | /* Frame Header */ 3755| 44| { size_t const frameHeaderSize = ZSTDv07_frameHeaderSize(src, ZSTDv07_frameHeaderSize_min); 3756| 44| if (ZSTDv07_isError(frameHeaderSize)) return frameHeaderSize; ------------------ | | 2856| 44|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3756:13): [True: 0, False: 44] ------------------ 3757| 44| if (srcSize < frameHeaderSize+ZSTDv07_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3757:13): [True: 0, False: 44] ------------------ 3758| 44| if (ZSTDv07_decodeFrameHeader(dctx, src, frameHeaderSize)) return ERROR(corruption_detected); ------------------ | | 49| 6|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 6|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 6|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3758:13): [True: 6, False: 38] ------------------ 3759| 38| ip += frameHeaderSize; remainingSize -= frameHeaderSize; 3760| 38| } 3761| | 3762| | /* Loop on each block */ 3763| 40| while (1) { ------------------ | Branch (3763:12): [True: 40, Folded] ------------------ 3764| 40| size_t decodedSize; 3765| 40| blockProperties_t blockProperties; 3766| 40| size_t const cBlockSize = ZSTDv07_getcBlockSize(ip, iend-ip, &blockProperties); 3767| 40| if (ZSTDv07_isError(cBlockSize)) return cBlockSize; ------------------ | | 2856| 40|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3767:13): [True: 0, False: 40] ------------------ 3768| | 3769| 40| ip += ZSTDv07_blockHeaderSize; 3770| 40| remainingSize -= ZSTDv07_blockHeaderSize; 3771| 40| if (cBlockSize > remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3771:13): [True: 0, False: 40] ------------------ 3772| | 3773| 40| switch(blockProperties.blockType) 3774| 40| { 3775| 34| case bt_compressed: ------------------ | Branch (3775:9): [True: 34, False: 6] ------------------ 3776| 34| decodedSize = ZSTDv07_decompressBlock_internal(dctx, op, oend-op, ip, cBlockSize); 3777| 34| break; 3778| 0| case bt_raw : ------------------ | Branch (3778:9): [True: 0, False: 40] ------------------ 3779| 0| decodedSize = ZSTDv07_copyRawBlock(op, oend-op, ip, cBlockSize); 3780| 0| break; 3781| 0| case bt_rle : ------------------ | Branch (3781:9): [True: 0, False: 40] ------------------ 3782| 0| decodedSize = ZSTDv07_generateNxBytes(op, oend-op, *ip, blockProperties.origSize); 3783| 0| break; 3784| 6| case bt_end : ------------------ | Branch (3784:9): [True: 6, False: 34] ------------------ 3785| | /* end of frame */ 3786| 6| if (remainingSize) return ERROR(srcSize_wrong); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3786:17): [True: 0, False: 6] ------------------ 3787| 6| decodedSize = 0; 3788| 6| break; 3789| 0| default: ------------------ | Branch (3789:9): [True: 0, False: 40] ------------------ 3790| 0| return ERROR(GENERIC); /* impossible */ ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ 3791| 40| } 3792| 40| if (blockProperties.blockType == bt_end) break; /* bt_end */ ------------------ | Branch (3792:13): [True: 6, False: 34] ------------------ 3793| | 3794| 34| if (ZSTDv07_isError(decodedSize)) return decodedSize; ------------------ | | 2856| 34|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ | Branch (3794:13): [True: 32, False: 2] ------------------ 3795| 2| if (dctx->fParams.checksumFlag) XXH64_update(&dctx->xxhState, op, decodedSize); ------------------ | | 460| 2|# define XXH64_update XXH_NAME2(XXH_NAMESPACE, XXH64_update) | | ------------------ | | | | 443| 2|# define XXH_NAME2(A,B) XXH_CAT(A,B) | | | | ------------------ | | | | | | 442| 2|# define XXH_CAT(A,B) A##B | | | | ------------------ | | ------------------ ------------------ | Branch (3795:13): [True: 2, False: 0] ------------------ 3796| 2| op += decodedSize; 3797| 2| ip += cBlockSize; 3798| 2| remainingSize -= cBlockSize; 3799| 2| } 3800| | 3801| 6| return op-ostart; 3802| 38|} zstd_v07.c:ZSTD_errorFrameSizeInfoLegacy: 3855| 5|{ 3856| 5| *cSize = ret; 3857| 5| *dBound = ZSTD_CONTENTSIZE_ERROR; ------------------ | | 2688| 5|#define ZSTD_CONTENTSIZE_ERROR (0ULL - 2) ------------------ 3858| 5|} zstd_v07.c:ZSTDv07_getcBlockSize: 3201| 489|{ 3202| 489| const BYTE* const in = (const BYTE*)src; 3203| 489| U32 cSize; 3204| | 3205| 489| if (srcSize < ZSTDv07_blockHeaderSize) return ERROR(srcSize_wrong); ------------------ | | 49| 1|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 1|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 1|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3205:9): [True: 1, False: 488] ------------------ 3206| | 3207| 488| bpPtr->blockType = (blockType_t)((*in) >> 6); 3208| 488| cSize = in[2] + (in[1]<<8) + ((in[0] & 7)<<16); 3209| 488| bpPtr->origSize = (bpPtr->blockType == bt_rle) ? cSize : 0; ------------------ | Branch (3209:23): [True: 100, False: 388] ------------------ 3210| | 3211| 488| if (bpPtr->blockType == bt_end) return 0; ------------------ | Branch (3211:9): [True: 50, False: 438] ------------------ 3212| 438| if (bpPtr->blockType == bt_rle) return 1; ------------------ | Branch (3212:9): [True: 100, False: 338] ------------------ 3213| 338| return cSize; 3214| 438|} zstd_v07.c:ZSTDv07_decodeFrameHeader: 3184| 44|{ 3185| 44| size_t const result = ZSTDv07_getFrameParams(&(dctx->fParams), src, srcSize); 3186| 44| if (dctx->fParams.dictID && (dctx->dictID != dctx->fParams.dictID)) return ERROR(dictionary_wrong); ------------------ | | 49| 2|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 2|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 2|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (3186:9): [True: 2, False: 42] | Branch (3186:33): [True: 2, False: 0] ------------------ 3187| 42| if (dctx->fParams.checksumFlag) XXH64_reset(&dctx->xxhState, 0); ------------------ | | 459| 27|# define XXH64_reset XXH_NAME2(XXH_NAMESPACE, XXH64_reset) | | ------------------ | | | | 443| 27|# define XXH_NAME2(A,B) XXH_CAT(A,B) | | | | ------------------ | | | | | | 442| 27|# define XXH_CAT(A,B) A##B | | | | ------------------ | | ------------------ ------------------ | Branch (3187:9): [True: 27, False: 15] ------------------ 3188| 42| return result; 3189| 44|} zstd_v07.c:ZSTDv07_decompress_insertDictionary: 4092| 21|{ 4093| 21| if (dictSize < 8) return ZSTDv07_refDictContent(dctx, dict, dictSize); ------------------ | Branch (4093:9): [True: 0, False: 21] ------------------ 4094| 21| { U32 const magic = MEM_readLE32(dict); 4095| 21| if (magic != ZSTDv07_DICT_MAGIC) { ------------------ | | 2636| 21|#define ZSTDv07_DICT_MAGIC 0xEC30A437 /* v0.7 */ ------------------ | Branch (4095:13): [True: 13, False: 8] ------------------ 4096| 13| return ZSTDv07_refDictContent(dctx, dict, dictSize); /* pure content mode */ 4097| 13| } } 4098| 8| dctx->dictID = MEM_readLE32((const char*)dict + 4); 4099| | 4100| | /* load entropy tables */ 4101| 8| dict = (const char*)dict + 8; 4102| 8| dictSize -= 8; 4103| 8| { size_t const eSize = ZSTDv07_loadEntropy(dctx, dict, dictSize); 4104| 8| if (ZSTDv07_isError(eSize)) return ERROR(dictionary_corrupted); ------------------ | | 2856| 8|#define ZSTDv07_isError ERR_isError /* for inlining */ ------------------ if (ZSTDv07_isError(eSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4104:13): [True: 0, False: 8] ------------------ 4105| 8| dict = (const char*)dict + eSize; 4106| 8| dictSize -= eSize; 4107| 8| } 4108| | 4109| | /* reference dictionary content */ 4110| 0| return ZSTDv07_refDictContent(dctx, dict, dictSize); 4111| 8|} zstd_v07.c:ZSTDv07_refDictContent: 4033| 21|{ 4034| 21| dctx->dictEnd = dctx->previousDstEnd; 4035| 21| dctx->vBase = (const char*)dict - ((const char*)(dctx->previousDstEnd) - (const char*)(dctx->base)); 4036| 21| dctx->base = dict; 4037| 21| dctx->previousDstEnd = (const char*)dict + dictSize; 4038| 21| return 0; 4039| 21|} zstd_v07.c:ZSTDv07_loadEntropy: 4042| 8|{ 4043| 8| const BYTE* dictPtr = (const BYTE*)dict; 4044| 8| const BYTE* const dictEnd = dictPtr + dictSize; 4045| | 4046| 8| { size_t const hSize = HUFv07_readDTableX4(dctx->hufTable, dict, dictSize); 4047| 8| if (HUFv07_isError(hSize)) return ERROR(dictionary_corrupted); ------------------ | | 2858| 8|#define HUFv07_isError ERR_isError ------------------ if (HUFv07_isError(hSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4047:13): [True: 0, False: 8] ------------------ 4048| 8| dictPtr += hSize; 4049| 8| } 4050| | 4051| 0| { short offcodeNCount[MaxOff+1]; 4052| 8| U32 offcodeMaxValue=MaxOff, offcodeLog; ------------------ | | 2677| 8|#define MaxOff 28 ------------------ 4053| 8| size_t const offcodeHeaderSize = FSEv07_readNCount(offcodeNCount, &offcodeMaxValue, &offcodeLog, dictPtr, dictEnd-dictPtr); 4054| 8| if (FSEv07_isError(offcodeHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(offcodeHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4054:13): [True: 0, False: 8] ------------------ 4055| 8| if (offcodeLog > OffFSELog) return ERROR(dictionary_corrupted); ------------------ | | 2681| 8|#define OffFSELog 8 ------------------ if (offcodeLog > OffFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4055:13): [True: 0, False: 8] ------------------ 4056| 8| { size_t const errorCode = FSEv07_buildDTable(dctx->OffTable, offcodeNCount, offcodeMaxValue, offcodeLog); 4057| 8| if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4057:15): [True: 0, False: 8] ------------------ 4058| 8| dictPtr += offcodeHeaderSize; 4059| 8| } 4060| | 4061| 0| { short matchlengthNCount[MaxML+1]; 4062| 8| unsigned matchlengthMaxValue = MaxML, matchlengthLog; ------------------ | | 2675| 8|#define MaxML 52 ------------------ 4063| 8| size_t const matchlengthHeaderSize = FSEv07_readNCount(matchlengthNCount, &matchlengthMaxValue, &matchlengthLog, dictPtr, dictEnd-dictPtr); 4064| 8| if (FSEv07_isError(matchlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(matchlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4064:13): [True: 0, False: 8] ------------------ 4065| 8| if (matchlengthLog > MLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 2679| 8|#define MLFSELog 9 ------------------ if (matchlengthLog > MLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4065:13): [True: 0, False: 8] ------------------ 4066| 8| { size_t const errorCode = FSEv07_buildDTable(dctx->MLTable, matchlengthNCount, matchlengthMaxValue, matchlengthLog); 4067| 8| if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4067:15): [True: 0, False: 8] ------------------ 4068| 8| dictPtr += matchlengthHeaderSize; 4069| 8| } 4070| | 4071| 0| { short litlengthNCount[MaxLL+1]; 4072| 8| unsigned litlengthMaxValue = MaxLL, litlengthLog; ------------------ | | 2676| 8|#define MaxLL 35 ------------------ 4073| 8| size_t const litlengthHeaderSize = FSEv07_readNCount(litlengthNCount, &litlengthMaxValue, &litlengthLog, dictPtr, dictEnd-dictPtr); 4074| 8| if (FSEv07_isError(litlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(litlengthHeaderSize)) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4074:13): [True: 0, False: 8] ------------------ 4075| 8| if (litlengthLog > LLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 2680| 8|#define LLFSELog 9 ------------------ if (litlengthLog > LLFSELog) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4075:13): [True: 0, False: 8] ------------------ 4076| 8| { size_t const errorCode = FSEv07_buildDTable(dctx->LLTable, litlengthNCount, litlengthMaxValue, litlengthLog); 4077| 8| if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 2857| 8|#define FSEv07_isError ERR_isError ------------------ if (FSEv07_isError(errorCode)) return ERROR(dictionary_corrupted); } ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4077:15): [True: 0, False: 8] ------------------ 4078| 8| dictPtr += litlengthHeaderSize; 4079| 8| } 4080| | 4081| 8| if (dictPtr+12 > dictEnd) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4081:9): [True: 0, False: 8] ------------------ 4082| 8| dctx->rep[0] = MEM_readLE32(dictPtr+0); if (dctx->rep[0] == 0 || dctx->rep[0] >= dictSize) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4082:49): [True: 0, False: 8] | Branch (4082:70): [True: 0, False: 8] ------------------ 4083| 8| dctx->rep[1] = MEM_readLE32(dictPtr+4); if (dctx->rep[1] == 0 || dctx->rep[1] >= dictSize) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4083:49): [True: 0, False: 8] | Branch (4083:70): [True: 0, False: 8] ------------------ 4084| 8| dctx->rep[2] = MEM_readLE32(dictPtr+8); if (dctx->rep[2] == 0 || dctx->rep[2] >= dictSize) return ERROR(dictionary_corrupted); ------------------ | | 49| 0|#define ERROR(name) ZSTD_ERROR(name) | | ------------------ | | | | 50| 0|#define ZSTD_ERROR(name) ((size_t)-PREFIX(name)) | | | | ------------------ | | | | | | 42| 0|#define PREFIX(name) ZSTD_error_##name | | | | ------------------ | | ------------------ ------------------ | Branch (4084:49): [True: 0, False: 8] | Branch (4084:70): [True: 0, False: 8] ------------------ 4085| 8| dictPtr += 12; 4086| | 4087| 8| dctx->litEntropy = dctx->fseEntropy = 1; 4088| 8| return dictPtr - (const BYTE*)dict; 4089| 8|} bshuf_trans_byte_bitrow_AVX: 117| 2.71k| const size_t elem_size) { 118| | 119| 2.71k| size_t hh, ii, jj, kk, mm; 120| 2.71k| const char* in_b = (const char*) in; 121| 2.71k| char* out_b = (char*) out; 122| | 123| 2.71k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 2.71k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 2.71k] | | ------------------ ------------------ 124| | 125| 2.71k| size_t nrows = 8 * elem_size; 126| 2.71k| size_t nbyte_row = size / 8; 127| | 128| 2.71k| if (elem_size % 4) return bshuf_trans_byte_bitrow_SSE(in, out, size, ------------------ | Branch (128:7): [True: 2.16k, False: 546] ------------------ 129| 2.16k| elem_size); 130| | 131| 546| __m256i ymm_0[8]; 132| 546| __m256i ymm_1[8]; 133| 546| __m256i ymm_storeage[8][4]; 134| | 135| 7.77k| for (jj = 0; jj + 31 < nbyte_row; jj += 32) { ------------------ | Branch (135:16): [True: 7.23k, False: 546] ------------------ 136| 19.7k| for (ii = 0; ii + 3 < elem_size; ii += 4) { ------------------ | Branch (136:18): [True: 12.5k, False: 7.23k] ------------------ 137| 62.6k| for (hh = 0; hh < 4; hh ++) { ------------------ | Branch (137:20): [True: 50.1k, False: 12.5k] ------------------ 138| | 139| 451k| for (kk = 0; kk < 8; kk ++){ ------------------ | Branch (139:22): [True: 401k, False: 50.1k] ------------------ 140| 401k| ymm_0[kk] = _mm256_loadu_si256((__m256i *) &in_b[ 141| 401k| (ii * 8 + hh * 8 + kk) * nbyte_row + jj]); 142| 401k| } 143| | 144| 250k| for (kk = 0; kk < 4; kk ++){ ------------------ | Branch (144:22): [True: 200k, False: 50.1k] ------------------ 145| 200k| ymm_1[kk] = _mm256_unpacklo_epi8(ymm_0[kk * 2], 146| 200k| ymm_0[kk * 2 + 1]); 147| 200k| ymm_1[kk + 4] = _mm256_unpackhi_epi8(ymm_0[kk * 2], 148| 200k| ymm_0[kk * 2 + 1]); 149| 200k| } 150| | 151| 150k| for (kk = 0; kk < 2; kk ++){ ------------------ | Branch (151:22): [True: 100k, False: 50.1k] ------------------ 152| 300k| for (mm = 0; mm < 2; mm ++){ ------------------ | Branch (152:24): [True: 200k, False: 100k] ------------------ 153| 200k| ymm_0[kk * 4 + mm] = _mm256_unpacklo_epi16( 154| 200k| ymm_1[kk * 4 + mm * 2], 155| 200k| ymm_1[kk * 4 + mm * 2 + 1]); 156| 200k| ymm_0[kk * 4 + mm + 2] = _mm256_unpackhi_epi16( 157| 200k| ymm_1[kk * 4 + mm * 2], 158| 200k| ymm_1[kk * 4 + mm * 2 + 1]); 159| 200k| } 160| 100k| } 161| | 162| 250k| for (kk = 0; kk < 4; kk ++){ ------------------ | Branch (162:22): [True: 200k, False: 50.1k] ------------------ 163| 200k| ymm_1[kk * 2] = _mm256_unpacklo_epi32(ymm_0[kk * 2], 164| 200k| ymm_0[kk * 2 + 1]); 165| 200k| ymm_1[kk * 2 + 1] = _mm256_unpackhi_epi32(ymm_0[kk * 2], 166| 200k| ymm_0[kk * 2 + 1]); 167| 200k| } 168| | 169| 451k| for (kk = 0; kk < 8; kk ++){ ------------------ | Branch (169:22): [True: 401k, False: 50.1k] ------------------ 170| 401k| ymm_storeage[kk][hh] = ymm_1[kk]; 171| 401k| } 172| 50.1k| } 173| | 174| 112k| for (mm = 0; mm < 8; mm ++) { ------------------ | Branch (174:20): [True: 100k, False: 12.5k] ------------------ 175| | 176| 501k| for (kk = 0; kk < 4; kk ++){ ------------------ | Branch (176:22): [True: 401k, False: 100k] ------------------ 177| 401k| ymm_0[kk] = ymm_storeage[mm][kk]; 178| 401k| } 179| | 180| 100k| ymm_1[0] = _mm256_unpacklo_epi64(ymm_0[0], ymm_0[1]); 181| 100k| ymm_1[1] = _mm256_unpacklo_epi64(ymm_0[2], ymm_0[3]); 182| 100k| ymm_1[2] = _mm256_unpackhi_epi64(ymm_0[0], ymm_0[1]); 183| 100k| ymm_1[3] = _mm256_unpackhi_epi64(ymm_0[2], ymm_0[3]); 184| | 185| 100k| ymm_0[0] = _mm256_permute2x128_si256(ymm_1[0], ymm_1[1], 32); 186| 100k| ymm_0[1] = _mm256_permute2x128_si256(ymm_1[2], ymm_1[3], 32); 187| 100k| ymm_0[2] = _mm256_permute2x128_si256(ymm_1[0], ymm_1[1], 49); 188| 100k| ymm_0[3] = _mm256_permute2x128_si256(ymm_1[2], ymm_1[3], 49); 189| | 190| 100k| _mm256_storeu_si256((__m256i *) &out_b[ 191| 100k| (jj + mm * 2 + 0 * 16) * nrows + ii * 8], ymm_0[0]); 192| 100k| _mm256_storeu_si256((__m256i *) &out_b[ 193| 100k| (jj + mm * 2 + 0 * 16 + 1) * nrows + ii * 8], ymm_0[1]); 194| 100k| _mm256_storeu_si256((__m256i *) &out_b[ 195| 100k| (jj + mm * 2 + 1 * 16) * nrows + ii * 8], ymm_0[2]); 196| 100k| _mm256_storeu_si256((__m256i *) &out_b[ 197| 100k| (jj + mm * 2 + 1 * 16 + 1) * nrows + ii * 8], ymm_0[3]); 198| 100k| } 199| 12.5k| } 200| 7.23k| } 201| 266k| for (ii = 0; ii < nrows; ii ++ ) { ------------------ | Branch (201:16): [True: 265k, False: 546] ------------------ 202| 448k| for (jj = nbyte_row - nbyte_row % 32; jj < nbyte_row; jj ++) { ------------------ | Branch (202:43): [True: 183k, False: 265k] ------------------ 203| 183k| out_b[jj * nrows + ii] = in_b[ii * nbyte_row + jj]; 204| 183k| } 205| 265k| } 206| 546| return size * elem_size; 207| 2.71k|} bshuf_shuffle_bit_eightelem_AVX: 212| 2.71k| const size_t elem_size) { 213| | 214| 2.71k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 2.71k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 2.71k] | | ------------------ ------------------ 215| | 216| | // With a bit of care, this could be written such that such that it is 217| | // in_buf = out_buf safe. 218| 2.71k| const char* in_b = (const char*) in; 219| 2.71k| char* out_b = (char*) out; 220| | 221| 2.71k| size_t ii, jj, kk; 222| 2.71k| size_t nbyte = elem_size * size; 223| | 224| 2.71k| __m256i ymm; 225| 2.71k| int32_t bt; 226| | 227| 2.71k| if (elem_size % 4) { ------------------ | Branch (227:7): [True: 2.16k, False: 546] ------------------ 228| 2.16k| return bshuf_shuffle_bit_eightelem_SSE(in, out, size, elem_size); 229| 2.16k| } else { 230| 8.84k| for (jj = 0; jj + 31 < 8 * elem_size; jj += 32) { ------------------ | Branch (230:18): [True: 8.30k, False: 546] ------------------ 231| 415k| for (ii = 0; ii + 8 * elem_size - 1 < nbyte; ------------------ | Branch (231:20): [True: 406k, False: 8.30k] ------------------ 232| 406k| ii += 8 * elem_size) { 233| 406k| ymm = _mm256_loadu_si256((__m256i *) &in_b[ii + jj]); 234| 3.66M| for (kk = 0; kk < 8; kk++) { ------------------ | Branch (234:22): [True: 3.25M, False: 406k] ------------------ 235| 3.25M| bt = _mm256_movemask_epi8(ymm); 236| 3.25M| ymm = _mm256_slli_epi16(ymm, 1); 237| 3.25M| size_t ind = (ii + jj / 8 + (7 - kk) * elem_size); 238| 3.25M| * (int32_t *) &out_b[ind] = bt; 239| 3.25M| } 240| 406k| } 241| 8.30k| } 242| 546| } 243| 546| return size * elem_size; 244| 2.71k|} bshuf_untrans_bit_elem_AVX: 249| 2.71k| const size_t elem_size) { 250| | 251| 2.71k| int64_t count; 252| | 253| 2.71k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 2.71k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 2.71k] | | ------------------ ------------------ 254| | 255| 2.71k| void* tmp_buf = malloc(size * elem_size); 256| 2.71k| if (tmp_buf == NULL) return -1; ------------------ | Branch (256:7): [True: 0, False: 2.71k] ------------------ 257| | 258| 2.71k| count = bshuf_trans_byte_bitrow_AVX(in, tmp_buf, size, elem_size); 259| 2.71k| CHECK_ERR_FREE(count, tmp_buf); ------------------ | | 45| 2.71k|#define CHECK_ERR_FREE(count, buf) if (count < 0) { free(buf); return count; } | | ------------------ | | | Branch (45:40): [True: 0, False: 2.71k] | | ------------------ ------------------ 260| 2.71k| count = bshuf_shuffle_bit_eightelem_AVX(tmp_buf, out, size, elem_size); 261| | 262| 2.71k| free(tmp_buf); 263| 2.71k| return count; 264| 2.71k|} bshuf_shuffle_bit_eightelem_scal: 200| 1.49k| const size_t size, const size_t elem_size) { 201| | 202| 1.49k| const char *in_b; 203| 1.49k| char *out_b; 204| 1.49k| uint64_t x, t; 205| 1.49k| size_t ii, jj, kk; 206| 1.49k| size_t nbyte, out_index; 207| | 208| 1.49k| uint64_t e=1; 209| 1.49k| const int little_endian = *(uint8_t *) &e == 1; 210| 1.49k| const size_t elem_skip = little_endian ? elem_size : -elem_size; ------------------ | Branch (210:28): [True: 1.49k, False: 0] ------------------ 211| 1.49k| const uint64_t elem_offset = little_endian ? 0 : 7 * elem_size; ------------------ | Branch (211:32): [True: 1.49k, False: 0] ------------------ 212| | 213| 1.49k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 1.49k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 1.49k] | | ------------------ ------------------ 214| | 215| 1.49k| in_b = (const char*) in; 216| 1.49k| out_b = (char*) out; 217| | 218| 1.49k| nbyte = elem_size * size; 219| | 220| 69.9k| for (jj = 0; jj < 8 * elem_size; jj += 8) { ------------------ | Branch (220:16): [True: 68.4k, False: 1.49k] ------------------ 221| 1.23M| for (ii = 0; ii + 8 * elem_size - 1 < nbyte; ii += 8 * elem_size) { ------------------ | Branch (221:18): [True: 1.17M, False: 68.4k] ------------------ 222| 1.17M| x = *((uint64_t*) &in_b[ii + jj]); 223| 1.17M| if (little_endian) { ------------------ | Branch (223:11): [True: 1.17M, False: 0] ------------------ 224| 1.17M| TRANS_BIT_8X8(x, t); ------------------ | | 56| 1.17M|#define TRANS_BIT_8X8(x, t) { \ | | 57| 1.17M| t = (x ^ (x >> 7)) & 0x00AA00AA00AA00AALL; \ | | 58| 1.17M| x = x ^ t ^ (t << 7); \ | | 59| 1.17M| t = (x ^ (x >> 14)) & 0x0000CCCC0000CCCCLL; \ | | 60| 1.17M| x = x ^ t ^ (t << 14); \ | | 61| 1.17M| t = (x ^ (x >> 28)) & 0x00000000F0F0F0F0LL; \ | | 62| 1.17M| x = x ^ t ^ (t << 28); \ | | 63| 1.17M| } ------------------ 225| 1.17M| } else { 226| 0| TRANS_BIT_8X8_BE(x, t); ------------------ | | 67| 0|#define TRANS_BIT_8X8_BE(x, t) { \ | | 68| 0| t = (x ^ (x >> 9)) & 0x0055005500550055LL; \ | | 69| 0| x = x ^ t ^ (t << 9); \ | | 70| 0| t = (x ^ (x >> 18)) & 0x0000333300003333LL; \ | | 71| 0| x = x ^ t ^ (t << 18); \ | | 72| 0| t = (x ^ (x >> 36)) & 0x000000000F0F0F0FLL; \ | | 73| 0| x = x ^ t ^ (t << 36); \ | | 74| 0| } ------------------ 227| 0| } 228| 10.5M| for (kk = 0; kk < 8; kk++) { ------------------ | Branch (228:20): [True: 9.36M, False: 1.17M] ------------------ 229| 9.36M| out_index = ii + jj / 8 + elem_offset + kk * elem_skip; 230| 9.36M| *((uint8_t*) &out_b[out_index]) = x; 231| 9.36M| x = x >> 8; 232| 9.36M| } 233| 1.17M| } 234| 68.4k| } 235| 1.49k| return size * elem_size; 236| 1.49k|} bshuf_trans_byte_bitrow_SSE: 324| 2.16k| const size_t elem_size) { 325| | 326| 2.16k| size_t ii, jj; 327| 2.16k| const char* in_b = (const char*) in; 328| 2.16k| char* out_b = (char*) out; 329| | 330| 2.16k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 2.16k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 2.16k] | | ------------------ ------------------ 331| | 332| 2.16k| size_t nrows = 8 * elem_size; 333| 2.16k| size_t nbyte_row = size / 8; 334| | 335| 2.16k| __m128i a0, b0, c0, d0, e0, f0, g0, h0; 336| 2.16k| __m128i a1, b1, c1, d1, e1, f1, g1, h1; 337| 2.16k| __m128 *as, *bs, *cs, *ds, *es, *fs, *gs, *hs; 338| | 339| 118k| for (ii = 0; ii + 7 < nrows; ii += 8) { ------------------ | Branch (339:16): [True: 115k, False: 2.16k] ------------------ 340| 254k| for (jj = 0; jj + 15 < nbyte_row; jj += 16) { ------------------ | Branch (340:18): [True: 138k, False: 115k] ------------------ 341| 138k| a0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 0)*nbyte_row + jj]); 342| 138k| b0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 1)*nbyte_row + jj]); 343| 138k| c0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 2)*nbyte_row + jj]); 344| 138k| d0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 3)*nbyte_row + jj]); 345| 138k| e0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 4)*nbyte_row + jj]); 346| 138k| f0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 5)*nbyte_row + jj]); 347| 138k| g0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 6)*nbyte_row + jj]); 348| 138k| h0 = _mm_loadu_si128((__m128i *) &in_b[(ii + 7)*nbyte_row + jj]); 349| | 350| | 351| 138k| a1 = _mm_unpacklo_epi8(a0, b0); 352| 138k| b1 = _mm_unpacklo_epi8(c0, d0); 353| 138k| c1 = _mm_unpacklo_epi8(e0, f0); 354| 138k| d1 = _mm_unpacklo_epi8(g0, h0); 355| 138k| e1 = _mm_unpackhi_epi8(a0, b0); 356| 138k| f1 = _mm_unpackhi_epi8(c0, d0); 357| 138k| g1 = _mm_unpackhi_epi8(e0, f0); 358| 138k| h1 = _mm_unpackhi_epi8(g0, h0); 359| | 360| | 361| 138k| a0 = _mm_unpacklo_epi16(a1, b1); 362| 138k| b0 = _mm_unpacklo_epi16(c1, d1); 363| 138k| c0 = _mm_unpackhi_epi16(a1, b1); 364| 138k| d0 = _mm_unpackhi_epi16(c1, d1); 365| | 366| 138k| e0 = _mm_unpacklo_epi16(e1, f1); 367| 138k| f0 = _mm_unpacklo_epi16(g1, h1); 368| 138k| g0 = _mm_unpackhi_epi16(e1, f1); 369| 138k| h0 = _mm_unpackhi_epi16(g1, h1); 370| | 371| | 372| 138k| a1 = _mm_unpacklo_epi32(a0, b0); 373| 138k| b1 = _mm_unpackhi_epi32(a0, b0); 374| | 375| 138k| c1 = _mm_unpacklo_epi32(c0, d0); 376| 138k| d1 = _mm_unpackhi_epi32(c0, d0); 377| | 378| 138k| e1 = _mm_unpacklo_epi32(e0, f0); 379| 138k| f1 = _mm_unpackhi_epi32(e0, f0); 380| | 381| 138k| g1 = _mm_unpacklo_epi32(g0, h0); 382| 138k| h1 = _mm_unpackhi_epi32(g0, h0); 383| | 384| | // We don't have a storeh instruction for integers, so interpret 385| | // as a float. Have a storel (_mm_storel_epi64). 386| 138k| as = (__m128 *) &a1; 387| 138k| bs = (__m128 *) &b1; 388| 138k| cs = (__m128 *) &c1; 389| 138k| ds = (__m128 *) &d1; 390| 138k| es = (__m128 *) &e1; 391| 138k| fs = (__m128 *) &f1; 392| 138k| gs = (__m128 *) &g1; 393| 138k| hs = (__m128 *) &h1; 394| | 395| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 0) * nrows + ii], *as); 396| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 2) * nrows + ii], *bs); 397| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 4) * nrows + ii], *cs); 398| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 6) * nrows + ii], *ds); 399| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 8) * nrows + ii], *es); 400| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 10) * nrows + ii], *fs); 401| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 12) * nrows + ii], *gs); 402| 138k| _mm_storel_pi((__m64 *) &out_b[(jj + 14) * nrows + ii], *hs); 403| | 404| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 1) * nrows + ii], *as); 405| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 3) * nrows + ii], *bs); 406| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 5) * nrows + ii], *cs); 407| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 7) * nrows + ii], *ds); 408| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 9) * nrows + ii], *es); 409| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 11) * nrows + ii], *fs); 410| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 13) * nrows + ii], *gs); 411| 138k| _mm_storeh_pi((__m64 *) &out_b[(jj + 15) * nrows + ii], *hs); 412| 138k| } 413| 127k| for (jj = nbyte_row - nbyte_row % 16; jj < nbyte_row; jj ++) { ------------------ | Branch (413:43): [True: 11.8k, False: 115k] ------------------ 414| 11.8k| out_b[jj * nrows + ii + 0] = in_b[(ii + 0)*nbyte_row + jj]; 415| 11.8k| out_b[jj * nrows + ii + 1] = in_b[(ii + 1)*nbyte_row + jj]; 416| 11.8k| out_b[jj * nrows + ii + 2] = in_b[(ii + 2)*nbyte_row + jj]; 417| 11.8k| out_b[jj * nrows + ii + 3] = in_b[(ii + 3)*nbyte_row + jj]; 418| 11.8k| out_b[jj * nrows + ii + 4] = in_b[(ii + 4)*nbyte_row + jj]; 419| 11.8k| out_b[jj * nrows + ii + 5] = in_b[(ii + 5)*nbyte_row + jj]; 420| 11.8k| out_b[jj * nrows + ii + 6] = in_b[(ii + 6)*nbyte_row + jj]; 421| 11.8k| out_b[jj * nrows + ii + 7] = in_b[(ii + 7)*nbyte_row + jj]; 422| 11.8k| } 423| 115k| } 424| 2.16k| return size * elem_size; 425| 2.16k|} bshuf_shuffle_bit_eightelem_SSE: 430| 2.16k| const size_t elem_size) { 431| | 432| 2.16k| CHECK_MULT_EIGHT(size); ------------------ | | 35| 2.16k|#define CHECK_MULT_EIGHT(n) if (n % 8) return -80; | | ------------------ | | | Branch (35:33): [True: 0, False: 2.16k] | | ------------------ ------------------ 433| | 434| | // With a bit of care, this could be written such that such that it is 435| | // in_buf = out_buf safe. 436| 2.16k| const char* in_b = (const char*) in; 437| 2.16k| uint16_t* out_ui16 = (uint16_t*) out; 438| | 439| 2.16k| size_t ii, jj, kk; 440| 2.16k| size_t nbyte = elem_size * size; 441| | 442| 2.16k| __m128i xmm; 443| 2.16k| int32_t bt; 444| | 445| 2.16k| if (elem_size % 2) { ------------------ | Branch (445:7): [True: 1.49k, False: 666] ------------------ 446| 1.49k| bshuf_shuffle_bit_eightelem_scal(in, out, size, elem_size); 447| 1.49k| } else { 448| 531k| for (ii = 0; ii + 8 * elem_size - 1 < nbyte; ------------------ | Branch (448:18): [True: 530k, False: 666] ------------------ 449| 530k| ii += 8 * elem_size) { 450| 1.06M| for (jj = 0; jj + 15 < 8 * elem_size; jj += 16) { ------------------ | Branch (450:20): [True: 531k, False: 530k] ------------------ 451| 531k| xmm = _mm_loadu_si128((__m128i *) &in_b[ii + jj]); 452| 4.78M| for (kk = 0; kk < 8; kk++) { ------------------ | Branch (452:22): [True: 4.24M, False: 531k] ------------------ 453| 4.24M| bt = _mm_movemask_epi8(xmm); 454| 4.24M| xmm = _mm_slli_epi16(xmm, 1); 455| 4.24M| size_t ind = (ii + jj / 8 + (7 - kk) * elem_size); 456| 4.24M| out_ui16[ind / 2] = bt; 457| 4.24M| } 458| 531k| } 459| 530k| } 460| 666| } 461| 2.16k| return size * elem_size; 462| 2.16k|} blosc2.c:is_little_endian: 42| 168k|static bool is_little_endian(void) { 43| 168k| static const int i = 1; 44| 168k| char* p = (char*)&i; 45| | 46| 168k| if (p[0] == 1) { ------------------ | Branch (46:7): [True: 168k, False: 0] ------------------ 47| 168k| return true; 48| 168k| } 49| 0| else { 50| | return false; 51| 0| } 52| 168k|} blosc2.c:sw32_: 115| 18.4k|static inline int32_t sw32_(const void* pa) { 116| 18.4k| int32_t idest; 117| | 118| 18.4k| bool little_endian = is_little_endian(); 119| 18.4k| if (little_endian) { ------------------ | Branch (119:7): [True: 18.4k, False: 0] ------------------ 120| 18.4k| memcpy(&idest, pa, sizeof(idest)); 121| 18.4k| } 122| 0| else { 123| 0|#if defined (__GNUC__) 124| 0| return __builtin_bswap32(*(unsigned int *)pa); 125| |#elif defined (_MSC_VER) /* Visual Studio */ 126| | return _byteswap_ulong(*(unsigned int *)pa); 127| |#else 128| | const uint8_t *pa_ = (const uint8_t *)pa; 129| | uint8_t *dest = (uint8_t *)&idest; 130| | dest[0] = pa_[3]; 131| | dest[1] = pa_[2]; 132| | dest[2] = pa_[1]; 133| | dest[3] = pa_[0]; 134| |#endif 135| 0| } 136| 18.4k| return idest; 137| 18.4k|} do_nothing: 632| 91.3k|int do_nothing(uint8_t filter, char cmode) { 633| 91.3k| if (cmode == 'c') { ------------------ | Branch (633:7): [True: 0, False: 91.3k] ------------------ 634| 0| return (filter == BLOSC_NOFILTER); 635| 91.3k| } else { 636| | // TRUNC_PREC do not have to be applied during decompression 637| 91.3k| return ((filter == BLOSC_NOFILTER) || (filter == BLOSC_TRUNC_PREC)); ------------------ | Branch (637:13): [True: 36.4k, False: 54.8k] | Branch (637:43): [True: 5.80k, False: 49.0k] ------------------ 638| 91.3k| } 639| 91.3k|} next_filter: 642| 23.5k|int next_filter(const uint8_t* filters, int current_filter, char cmode) { 643| 40.5k| for (int i = current_filter - 1; i >= 0; i--) { ------------------ | Branch (643:36): [True: 40.5k, False: 0] ------------------ 644| 40.5k| if (!do_nothing(filters[i], cmode)) { ------------------ | Branch (644:9): [True: 23.5k, False: 16.9k] ------------------ 645| 23.5k| return filters[i]; 646| 23.5k| } 647| 40.5k| } 648| 0| return BLOSC_NOFILTER; 649| 23.5k|} last_filter: 652| 8.46k|int last_filter(const uint8_t* filters, char cmode) { 653| 8.46k| int last_index = -1; 654| 59.2k| for (int i = BLOSC2_MAX_FILTERS - 1; i >= 0; i--) { ------------------ | Branch (654:40): [True: 50.7k, False: 8.46k] ------------------ 655| 50.7k| if (!do_nothing(filters[i], cmode)) { ------------------ | Branch (655:9): [True: 25.4k, False: 25.3k] ------------------ 656| 25.4k| last_index = i; 657| 25.4k| } 658| 50.7k| } 659| 8.46k| return last_index; 660| 8.46k|} read_chunk_header: 739| 150k|{ 740| 150k| memset(header, 0, sizeof(blosc_header)); 741| | 742| 150k| if (srcsize < BLOSC_MIN_HEADER_LENGTH) { ------------------ | Branch (742:7): [True: 0, False: 150k] ------------------ 743| 0| BLOSC_TRACE_ERROR("Not enough space to read Blosc header."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 744| 0| return BLOSC2_ERROR_READ_BUFFER; 745| 0| } 746| | 747| 150k| memcpy(header, src, BLOSC_MIN_HEADER_LENGTH); 748| | 749| 150k| bool little_endian = is_little_endian(); 750| | 751| 150k| if (!little_endian) { ------------------ | Branch (751:7): [True: 0, False: 150k] ------------------ 752| 0| header->nbytes = bswap32_(header->nbytes); 753| 0| header->blocksize = bswap32_(header->blocksize); 754| 0| header->cbytes = bswap32_(header->cbytes); 755| 0| } 756| | 757| 150k| if (header->cbytes < BLOSC_MIN_HEADER_LENGTH) { ------------------ | Branch (757:7): [True: 1, False: 150k] ------------------ 758| 1| BLOSC_TRACE_ERROR("`cbytes` is too small to read min header."); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 759| 1| return BLOSC2_ERROR_INVALID_HEADER; 760| 1| } 761| 150k| if (header->blocksize <= 0) { ------------------ | Branch (761:7): [True: 0, False: 150k] ------------------ 762| 0| BLOSC_TRACE_ERROR("`blocksize` is zero"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 763| 0| return BLOSC2_ERROR_INVALID_HEADER; 764| 0| } 765| 150k| if (header->blocksize > BLOSC2_MAXBLOCKSIZE) { ------------------ | Branch (765:7): [True: 2, False: 150k] ------------------ 766| 2| BLOSC_TRACE_ERROR("`blocksize` greater than maximum allowed"); ------------------ | | 93| 2|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 2| do { \ | | | | 98| 2| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 2| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 2, False: 0] | | | | ------------------ | | | | 100| 2| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 767| 2| return BLOSC2_ERROR_INVALID_HEADER; 768| 2| } 769| 150k| if (header->typesize == 0) { ------------------ | Branch (769:7): [True: 0, False: 150k] ------------------ 770| 0| BLOSC_TRACE_ERROR("`typesize` is zero."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 771| 0| return BLOSC2_ERROR_INVALID_HEADER; 772| 0| } 773| | 774| | /* Read extended header if it is wanted */ 775| 150k| if ((extended_header) && (header->flags & BLOSC_DOSHUFFLE) && (header->flags & BLOSC_DOBITSHUFFLE)) { ------------------ | Branch (775:7): [True: 3.18k, False: 146k] | Branch (775:28): [True: 2.05k, False: 1.12k] | Branch (775:65): [True: 1.66k, False: 391] ------------------ 776| 1.66k| if (header->cbytes < BLOSC_EXTENDED_HEADER_LENGTH) { ------------------ | Branch (776:9): [True: 0, False: 1.66k] ------------------ 777| 0| BLOSC_TRACE_ERROR("`cbytes` is too small to read extended header."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 778| 0| return BLOSC2_ERROR_INVALID_HEADER; 779| 0| } 780| 1.66k| if (srcsize < BLOSC_EXTENDED_HEADER_LENGTH) { ------------------ | Branch (780:9): [True: 0, False: 1.66k] ------------------ 781| 0| BLOSC_TRACE_ERROR("Not enough space to read Blosc extended header."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 782| 0| return BLOSC2_ERROR_READ_BUFFER; 783| 0| } 784| | 785| 1.66k| memcpy((uint8_t *)header + BLOSC_MIN_HEADER_LENGTH, src + BLOSC_MIN_HEADER_LENGTH, 786| 1.66k| BLOSC_EXTENDED_HEADER_LENGTH - BLOSC_MIN_HEADER_LENGTH); 787| | 788| 1.66k| if ((header->blosc2_flags2 & BLOSC2_VL_BLOCKS) && (header->blosc2_flags != 0)) { ------------------ | Branch (788:9): [True: 14, False: 1.65k] | Branch (788:55): [True: 9, False: 5] ------------------ 789| 9| int32_t special_type = (header->blosc2_flags >> 4) & BLOSC2_SPECIAL_MASK; 790| 9| if (special_type != 0) { ------------------ | Branch (790:11): [True: 0, False: 9] ------------------ 791| 0| BLOSC_TRACE_ERROR("VL-block chunks cannot use special chunk encodings."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 792| 0| return BLOSC2_ERROR_INVALID_HEADER; 793| 0| } 794| 9| } 795| | 796| 1.66k| int32_t special_type = (header->blosc2_flags >> 4) & BLOSC2_SPECIAL_MASK; 797| 1.66k| if (special_type != 0) { ------------------ | Branch (797:9): [True: 35, False: 1.63k] ------------------ 798| 35| if (special_type == BLOSC2_SPECIAL_VALUE) { ------------------ | Branch (798:11): [True: 11, False: 24] ------------------ 799| | // In this case, the actual type size must be derived from the cbytes 800| 11| int32_t typesize = header->cbytes - BLOSC_EXTENDED_HEADER_LENGTH; 801| 11| if (typesize <= 0) { ------------------ | Branch (801:13): [True: 0, False: 11] ------------------ 802| 0| BLOSC_TRACE_ERROR("`typesize` is zero or negative"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 803| 0| return BLOSC2_ERROR_INVALID_HEADER; 804| 0| } 805| 11| if (typesize > BLOSC2_MAXTYPESIZE) { ------------------ | Branch (805:13): [True: 0, False: 11] ------------------ 806| 0| BLOSC_TRACE_ERROR("`typesize` is greater than maximum allowed"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 807| 0| return BLOSC2_ERROR_INVALID_HEADER; 808| 0| } 809| 11| if (typesize > header->nbytes) { ------------------ | Branch (809:13): [True: 10, False: 1] ------------------ 810| 10| BLOSC_TRACE_ERROR("`typesize` is greater than `nbytes`"); ------------------ | | 93| 10|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 10| do { \ | | | | 98| 10| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 10| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 10, False: 0] | | | | ------------------ | | | | 100| 10| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 811| 10| return BLOSC2_ERROR_INVALID_HEADER; 812| 10| } 813| 1| if (header->nbytes % typesize != 0) { ------------------ | Branch (813:13): [True: 1, False: 0] ------------------ 814| 1| BLOSC_TRACE_ERROR("`nbytes` is not a multiple of typesize"); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 815| 1| return BLOSC2_ERROR_INVALID_HEADER; 816| 1| } 817| 1| } 818| 24| else { 819| 24| if (header->nbytes % header->typesize != 0) { ------------------ | Branch (819:13): [True: 0, False: 24] ------------------ 820| 0| BLOSC_TRACE_ERROR("`nbytes` is not a multiple of typesize"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 821| 0| return BLOSC2_ERROR_INVALID_HEADER; 822| 0| } 823| 24| } 824| 35| } 825| | // The number of filters depends on the version of the header. Blosc2 alpha series 826| | // did not initialize filters to zero beyond the max supported. 827| 1.65k| if (header->version == BLOSC2_VERSION_FORMAT_ALPHA) { ------------------ | Branch (827:9): [True: 190, False: 1.46k] ------------------ 828| 190| header->filters[5] = 0; 829| 190| header->filters_meta[5] = 0; 830| 190| } 831| 1.65k| } 832| 148k| else { 833| 148k| flags_to_filters(header->flags, header->filters); 834| 148k| } 835| 150k| if (header->version > BLOSC2_VERSION_FORMAT && ------------------ | Branch (835:7): [True: 1.68k, False: 148k] ------------------ 836| 1.68k| (header->blosc2_flags2 & (uint8_t)~BLOSC2_VL_BLOCKS) != 0) { ------------------ | Branch (836:7): [True: 0, False: 1.68k] ------------------ 837| | /* Version from future with unsupported chunk features. */ 838| 0| return BLOSC2_ERROR_VERSION_SUPPORT; 839| 0| } 840| 150k| if ((header->blosc2_flags2 & BLOSC2_VL_BLOCKS) != 0 && ------------------ | Branch (840:7): [True: 14, False: 150k] ------------------ 841| 14| (header->flags & (uint8_t)BLOSC_MEMCPYED) != 0) { ------------------ | Branch (841:7): [True: 0, False: 14] ------------------ 842| 0| BLOSC_TRACE_ERROR("VL-block chunks cannot be memcpyed."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 843| 0| return BLOSC2_ERROR_INVALID_HEADER; 844| 0| } 845| 150k| if ((header->blosc2_flags2 & BLOSC2_VL_BLOCKS) == 0 && ------------------ | Branch (845:7): [True: 150k, False: 14] ------------------ 846| 150k| header->nbytes > 0 && header->blocksize > header->nbytes) { ------------------ | Branch (846:7): [True: 150k, False: 1] | Branch (846:29): [True: 2.61k, False: 147k] ------------------ 847| 2.61k| header->blocksize = header->nbytes; 848| 2.61k| } 849| 150k| return 0; 850| 150k|} _cycle_buffers: 1046| 17.0k|void _cycle_buffers(uint8_t **src, uint8_t **dest, uint8_t **tmp) { 1047| 17.0k| uint8_t *tmp2 = *src; 1048| 17.0k| *src = *dest; 1049| 17.0k| *dest = *tmp; 1050| 17.0k| *tmp = tmp2; 1051| 17.0k|} pipeline_backward: 1473| 4.78k| uint8_t* tmp2, int last_filter_index, int32_t nblock) { 1474| 4.78k| blosc2_context* context = thread_context->parent_context; 1475| 4.78k| int32_t typesize = context->typesize; 1476| 4.78k| uint8_t* filters = context->filters; 1477| 4.78k| uint8_t* filters_meta = context->filters_meta; 1478| 4.78k| uint8_t* _src = src; 1479| 4.78k| uint8_t* _dest = tmp; 1480| 4.78k| uint8_t* _tmp = tmp2; 1481| 4.78k| int errcode = 0; 1482| | 1483| 26.0k| for (int i = BLOSC2_MAX_FILTERS - 1; i >= 0; i--) { ------------------ | Branch (1483:40): [True: 26.0k, False: 0] ------------------ 1484| | // Delta filter requires the whole chunk ready 1485| 26.0k| int last_copy_filter = (last_filter_index == i) || (filters[i] == BLOSC_DELTA) || ------------------ | Branch (1485:28): [True: 4.78k, False: 21.2k] | Branch (1485:56): [True: 4.82k, False: 16.3k] ------------------ 1486| 16.3k| (next_filter(filters, i, 'd') == BLOSC_DELTA); ------------------ | Branch (1486:28): [True: 6.14k, False: 10.2k] ------------------ 1487| 26.0k| if (last_copy_filter && context->postfilter == NULL && ------------------ | Branch (1487:9): [True: 15.7k, False: 10.2k] | Branch (1487:29): [True: 15.7k, False: 0] ------------------ 1488| 15.7k| (filters[i] == BLOSC_DELTA || _src != dest + offset)) { ------------------ | Branch (1488:10): [True: 6.39k, False: 9.34k] | Branch (1488:39): [True: 5.49k, False: 3.85k] ------------------ 1489| 11.8k| _dest = dest + offset; 1490| 11.8k| } 1491| 26.0k| int rc = BLOSC2_ERROR_SUCCESS; 1492| 26.0k| if (filters[i] <= BLOSC2_DEFINED_FILTERS_STOP) { ------------------ | Branch (1492:9): [True: 23.1k, False: 2.89k] ------------------ 1493| 23.1k| switch (filters[i]) { 1494| 4.65k| case BLOSC_SHUFFLE: ------------------ | Branch (1494:9): [True: 4.65k, False: 18.4k] ------------------ 1495| | // if filters_meta is not 0, interpret as number of bytes to be grouped together for shuffle 1496| 4.65k| blosc2_unshuffle(filters_meta[i] == 0 ? typesize : filters_meta[i], bsize, _src, _dest); ------------------ | Branch (1496:28): [True: 2.22k, False: 2.43k] ------------------ 1497| 4.65k| break; 1498| 3.05k| case BLOSC_BITSHUFFLE: ------------------ | Branch (1498:9): [True: 3.05k, False: 20.0k] ------------------ 1499| 3.05k| if (bitunshuffle(typesize, bsize, _src, _dest, context->src[BLOSC2_CHUNK_VERSION]) < 0) { ------------------ | Branch (1499:15): [True: 0, False: 3.05k] ------------------ 1500| 0| return BLOSC2_ERROR_FILTER_PIPELINE; 1501| 0| } 1502| 3.05k| break; 1503| 6.39k| case BLOSC_DELTA: ------------------ | Branch (1503:9): [True: 6.39k, False: 16.7k] ------------------ 1504| 6.39k| if (context->nthreads == 1) { ------------------ | Branch (1504:15): [True: 6.39k, False: 0] ------------------ 1505| | /* Serial mode */ 1506| 6.39k| delta_decoder(dest, offset, bsize, typesize, _dest); 1507| 6.39k| } else { 1508| 0| struct blosc_job_group *job = context->job; 1509| 0| blosc2_pthread_mutex_t *delta_mutex = job != NULL ? &job->delta_mutex : &context->delta_mutex; ------------------ | | 89| 0|#define blosc2_pthread_mutex_t pthread_mutex_t ------------------ | Branch (1509:51): [True: 0, False: 0] ------------------ 1510| 0| blosc2_pthread_cond_t *delta_cv = job != NULL ? &job->delta_cv : &context->delta_cv; ------------------ | | 95| 0|#define blosc2_pthread_cond_t pthread_cond_t ------------------ | Branch (1510:47): [True: 0, False: 0] ------------------ 1511| 0| int *dref_not_init = job != NULL ? &job->dref_not_init : &context->dref_not_init; ------------------ | Branch (1511:34): [True: 0, False: 0] ------------------ 1512| | /* Force the thread in charge of the block 0 to go first */ 1513| 0| blosc2_pthread_mutex_lock(delta_mutex); ------------------ | | 92| 0|#define blosc2_pthread_mutex_lock(a) pthread_mutex_lock((a)) ------------------ 1514| 0| if (*dref_not_init) { ------------------ | Branch (1514:17): [True: 0, False: 0] ------------------ 1515| 0| if (offset != 0) { ------------------ | Branch (1515:19): [True: 0, False: 0] ------------------ 1516| 0| blosc2_pthread_cond_wait(delta_cv, delta_mutex); ------------------ | | 98| 0|#define blosc2_pthread_cond_wait(a, b) pthread_cond_wait((a), (b)) ------------------ 1517| 0| } else { 1518| 0| delta_decoder(dest, offset, bsize, typesize, _dest); 1519| 0| *dref_not_init = 0; 1520| 0| blosc2_pthread_cond_broadcast(delta_cv); ------------------ | | 100| 0|#define blosc2_pthread_cond_broadcast(a) pthread_cond_broadcast((a)) ------------------ 1521| 0| } 1522| 0| } 1523| 0| blosc2_pthread_mutex_unlock(delta_mutex); ------------------ | | 93| 0|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 1524| 0| if (offset != 0) { ------------------ | Branch (1524:17): [True: 0, False: 0] ------------------ 1525| 0| delta_decoder(dest, offset, bsize, typesize, _dest); 1526| 0| } 1527| 0| } 1528| 6.39k| break; 1529| 1.44k| case BLOSC_TRUNC_PREC: ------------------ | Branch (1529:9): [True: 1.44k, False: 21.6k] ------------------ 1530| | // TRUNC_PREC filter does not need to be undone 1531| 1.44k| break; 1532| 7.56k| default: ------------------ | Branch (1532:9): [True: 7.56k, False: 15.5k] ------------------ 1533| 7.56k| if (filters[i] != BLOSC_NOFILTER) { ------------------ | Branch (1533:15): [True: 40, False: 7.52k] ------------------ 1534| 40| BLOSC_TRACE_ERROR("Filter %d not handled during decompression.", ------------------ | | 93| 40|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 40| do { \ | | | | 98| 40| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 40| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 40, False: 0] | | | | ------------------ | | | | 100| 40| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1535| 40| filters[i]); 1536| 40| errcode = -1; 1537| 40| } 1538| 23.1k| } 1539| 23.1k| } else { 1540| | // Look for the filters_meta in user filters and run it 1541| 12.7k| for (uint64_t j = 0; j < g_nfilters; ++j) { ------------------ | Branch (1541:30): [True: 12.7k, False: 27] ------------------ 1542| 12.7k| if (g_filters[j].id == filters[i]) { ------------------ | Branch (1542:15): [True: 2.86k, False: 9.84k] ------------------ 1543| 2.86k| if (g_filters[j].backward == NULL) { ------------------ | Branch (1543:17): [True: 0, False: 2.86k] ------------------ 1544| | // Dynamically load filter 1545| 0| if (fill_filter(&g_filters[j]) < 0) { ------------------ | Branch (1545:19): [True: 0, False: 0] ------------------ 1546| 0| BLOSC_TRACE_ERROR("Could not load filter %d.", g_filters[j].id); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1547| 0| return BLOSC2_ERROR_FILTER_PIPELINE; 1548| 0| } 1549| 0| } 1550| 2.86k| if (g_filters[j].backward != NULL) { ------------------ | Branch (1550:17): [True: 2.86k, False: 0] ------------------ 1551| 2.86k| blosc2_dparams dparams; 1552| 2.86k| blosc2_ctx_get_dparams(context, &dparams); 1553| 2.86k| rc = g_filters[j].backward(_src, _dest, bsize, filters_meta[i], &dparams, g_filters[j].id); 1554| 2.86k| } else { 1555| 0| BLOSC_TRACE_ERROR("Backward function is NULL"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1556| 0| return BLOSC2_ERROR_FILTER_PIPELINE; 1557| 0| } 1558| 2.86k| if (rc != BLOSC2_ERROR_SUCCESS) { ------------------ | Branch (1558:17): [True: 5, False: 2.86k] ------------------ 1559| 5| BLOSC_TRACE_ERROR("User-defined filter %d failed during decompression.", filters[i]); ------------------ | | 93| 5|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 5| do { \ | | | | 98| 5| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 5| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 5, False: 0] | | | | ------------------ | | | | 100| 5| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1560| 5| return rc; 1561| 5| } 1562| 2.86k| goto urfiltersuccess; 1563| 2.86k| } 1564| 12.7k| } 1565| 27| BLOSC_TRACE_ERROR("User-defined filter %d not found during decompression.", filters[i]); ------------------ | | 93| 27|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 27| do { \ | | | | 98| 27| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 27| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 27, False: 0] | | | | ------------------ | | | | 100| 27| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1566| 27| return BLOSC2_ERROR_FILTER_PIPELINE; 1567| 2.86k| urfiltersuccess:; 1568| 2.86k| } 1569| | 1570| | // Cycle buffers when required 1571| 25.9k| if ((filters[i] != BLOSC_NOFILTER) && (filters[i] != BLOSC_TRUNC_PREC)) { ------------------ | Branch (1571:9): [True: 18.4k, False: 7.52k] | Branch (1571:43): [True: 17.0k, False: 1.44k] ------------------ 1572| 17.0k| _cycle_buffers(&_src, &_dest, &_tmp); 1573| 17.0k| } 1574| 25.9k| if (last_filter_index == i) { ------------------ | Branch (1574:9): [True: 4.75k, False: 21.2k] ------------------ 1575| 4.75k| break; 1576| 4.75k| } 1577| 25.9k| } 1578| | 1579| 4.75k| if (context->postfilter == NULL && _src != dest + offset) { ------------------ | Branch (1579:7): [True: 4.75k, False: 0] | Branch (1579:38): [True: 594, False: 4.16k] ------------------ 1580| 594| memcpy(dest + offset, _src, (unsigned int)bsize); 1581| 594| } 1582| | 1583| | /* Postfilter function */ 1584| 4.75k| if (context->postfilter != NULL) { ------------------ | Branch (1584:7): [True: 0, False: 4.75k] ------------------ 1585| | // Create new postfilter parameters for this block (must be private for each thread) 1586| 0| blosc2_postfilter_params postparams; 1587| 0| memcpy(&postparams, context->postparams, sizeof(postparams)); 1588| 0| postparams.input = _src; 1589| 0| postparams.output = dest + offset; 1590| 0| postparams.size = bsize; 1591| 0| postparams.typesize = typesize; 1592| 0| postparams.offset = nblock * context->blocksize; 1593| 0| postparams.nchunk = context->schunk != NULL ? context->schunk->current_nchunk : -1; ------------------ | Branch (1593:25): [True: 0, False: 0] ------------------ 1594| 0| postparams.nblock = nblock; 1595| 0| postparams.tid = thread_context->tid; 1596| 0| postparams.ttmp = thread_context->tmp; 1597| 0| postparams.ttmp_nbytes = thread_context->tmp_nbytes; 1598| 0| postparams.ctx = context; 1599| | 1600| 0| if (context->postfilter(&postparams) != 0) { ------------------ | Branch (1600:9): [True: 0, False: 0] ------------------ 1601| 0| BLOSC_TRACE_ERROR("Execution of postfilter function failed"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1602| 0| return BLOSC2_ERROR_POSTFILTER; 1603| 0| } 1604| 0| } 1605| | 1606| 4.75k| return errcode; 1607| 4.75k|} free_thread_context: 2299| 3.13k|void free_thread_context(struct thread_context* thread_context) { 2300| 3.13k| destroy_thread_context(thread_context); 2301| 3.13k| my_free(thread_context); 2302| 3.13k|} check_nthreads: 2305| 3.13k|int check_nthreads(blosc2_context* context) { 2306| 3.13k| if (context->new_nthreads != context->nthreads && context->new_nthreads <= 0) { ------------------ | Branch (2306:7): [True: 0, False: 3.13k] | Branch (2306:53): [True: 0, False: 0] ------------------ 2307| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | ------------------ | | | | | | 2307| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); | | | | ------------------ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2308| 0| return BLOSC2_ERROR_INVALID_PARAM; 2309| 0| } 2310| 3.13k| if (context->nthreads <= 0) { ------------------ | Branch (2310:7): [True: 0, False: 3.13k] ------------------ 2311| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | ------------------ | | | | | | 2311| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); | | | | ------------------ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2312| 0| return BLOSC2_ERROR_INVALID_PARAM; 2313| 0| } 2314| | 2315| | /* Detect a pool that was torn down by blosc2_destroy() while this context 2316| | * was still alive. The epoch mismatch tells us the pool pointer is dangling; 2317| | * clear it so the re-attach logic below creates a fresh one. */ 2318| 3.13k| if (context->thread_backend == BLOSC_BACKEND_SHARED_POOL && ------------------ | | 33| 6.27k|#define BLOSC_BACKEND_SHARED_POOL 1 ------------------ | Branch (2318:7): [True: 0, False: 3.13k] ------------------ 2319| 0| context->pool_epoch != g_destroy_count) { ------------------ | Branch (2319:7): [True: 0, False: 0] ------------------ 2320| 0| context->thread_pool = NULL; 2321| 0| context->threads_started = 0; 2322| 0| context->thread_backend = BLOSC_BACKEND_SERIAL; ------------------ | | 32| 0|#define BLOSC_BACKEND_SERIAL 0 ------------------ 2323| 0| } 2324| | 2325| 3.13k| if (context->new_nthreads != context->nthreads) { ------------------ | Branch (2325:7): [True: 0, False: 3.13k] ------------------ 2326| 0| release_thread_backend(context); 2327| 0| context->nthreads = context->new_nthreads; 2328| 0| } 2329| 3.13k| if (context->nthreads > 1 && context->threads_started == 0) { ------------------ | Branch (2329:7): [True: 0, False: 3.13k] | Branch (2329:32): [True: 0, False: 0] ------------------ 2330| 0| int rc; 2331| 0| if (threads_callback) { ------------------ | Branch (2331:9): [True: 0, False: 0] ------------------ 2332| 0| rc = init_callback_threads(context); 2333| 0| } 2334| 0| else { 2335| |#if defined(_WIN32) 2336| | rc = init_threadpool(context); 2337| |#else 2338| 0| rc = attach_shared_pool(context); 2339| 0|#endif 2340| 0| } 2341| 0| if (rc < 0) { ------------------ | Branch (2341:9): [True: 0, False: 0] ------------------ 2342| 0| return rc; 2343| 0| } 2344| 0| } 2345| 3.13k| if (context->nthreads <= 1) { ------------------ | Branch (2345:7): [True: 3.13k, False: 0] ------------------ 2346| 3.13k| context->thread_backend = BLOSC_BACKEND_SERIAL; ------------------ | | 32| 3.13k|#define BLOSC_BACKEND_SERIAL 0 ------------------ 2347| 3.13k| } 2348| | 2349| 3.13k| return context->nthreads; 2350| 3.13k|} blosc2_decompress: 4202| 3.18k|int blosc2_decompress(const void* src, int32_t srcsize, void* dest, int32_t destsize) { 4203| 3.18k| int result; 4204| 3.18k| char* envvar; 4205| 3.18k| long nthreads; 4206| 3.18k| blosc2_context *dctx; 4207| 3.18k| blosc2_dparams dparams = BLOSC2_DPARAMS_DEFAULTS; 4208| | 4209| | /* Check whether the library should be initialized */ 4210| 3.18k| if (!g_initlib) blosc2_init(); ------------------ | Branch (4210:7): [True: 0, False: 3.18k] ------------------ 4211| | 4212| | /* Check for a BLOSC_NTHREADS environment variable */ 4213| 3.18k| envvar = getenv("BLOSC_NTHREADS"); 4214| 3.18k| if (envvar != NULL) { ------------------ | Branch (4214:7): [True: 0, False: 3.18k] ------------------ 4215| 0| errno = 0; /* To distinguish success/failure after call */ 4216| 0| nthreads = strtol(envvar, NULL, 10); 4217| 0| if ((errno != EINVAL)) { ------------------ | Branch (4217:9): [True: 0, False: 0] ------------------ 4218| 0| if ((nthreads <= 0) || (nthreads > INT16_MAX)) { ------------------ | Branch (4218:11): [True: 0, False: 0] | Branch (4218:30): [True: 0, False: 0] ------------------ 4219| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | ------------------ | | | | | | 4219| 0| BLOSC_TRACE_ERROR("nthreads must be >= 1 and <= %d", INT16_MAX); | | | | ------------------ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 4220| 0| return BLOSC2_ERROR_INVALID_PARAM; 4221| 0| } 4222| 0| result = blosc2_set_nthreads((int16_t) nthreads); 4223| 0| if (result < 0) { ------------------ | Branch (4223:11): [True: 0, False: 0] ------------------ 4224| 0| return result; 4225| 0| } 4226| 0| } 4227| 0| } 4228| | 4229| | /* Check for a BLOSC_NOLOCK environment variable. It is important 4230| | that this should be the last env var so that it can take the 4231| | previous ones into account */ 4232| 3.18k| envvar = getenv("BLOSC_NOLOCK"); 4233| 3.18k| if (envvar != NULL) { ------------------ | Branch (4233:7): [True: 0, False: 3.18k] ------------------ 4234| 0| dparams.nthreads = g_nthreads; 4235| 0| dctx = blosc2_create_dctx(dparams); 4236| 0| if (dctx == NULL) { ------------------ | Branch (4236:9): [True: 0, False: 0] ------------------ 4237| 0| BLOSC_TRACE_ERROR("Error while creating the decompression context"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 4238| 0| return BLOSC2_ERROR_NULL_POINTER; 4239| 0| } 4240| 0| result = blosc2_decompress_ctx(dctx, src, srcsize, dest, destsize); 4241| 0| blosc2_free_ctx(dctx); 4242| 0| return result; 4243| 0| } 4244| | 4245| 3.18k| blosc2_pthread_mutex_lock(&global_comp_mutex); ------------------ | | 92| 3.18k|#define blosc2_pthread_mutex_lock(a) pthread_mutex_lock((a)) ------------------ 4246| | 4247| 3.18k| result = blosc_run_decompression_with_context( 4248| 3.18k| g_global_context, src, srcsize, dest, destsize); 4249| | 4250| 3.18k| blosc2_pthread_mutex_unlock(&global_comp_mutex); ------------------ | | 93| 3.18k|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 4251| | 4252| 3.18k| return result; 4253| 3.18k|} blosc2_set_nthreads: 5518| 3.19k|int16_t blosc2_set_nthreads(int16_t nthreads) { 5519| 3.19k| int16_t ret; /* the previous number of threads */ 5520| | 5521| | /* Check whether the library should be initialized */ 5522| 3.19k| if (!g_initlib) blosc2_init(); ------------------ | Branch (5522:7): [True: 0, False: 3.19k] ------------------ 5523| | 5524| 3.19k| blosc2_pthread_mutex_lock(&global_comp_mutex); ------------------ | | 92| 3.19k|#define blosc2_pthread_mutex_lock(a) pthread_mutex_lock((a)) ------------------ 5525| 3.19k| ret = g_nthreads; 5526| 3.19k| if (nthreads != ret) { ------------------ | Branch (5526:7): [True: 0, False: 3.19k] ------------------ 5527| 0| int16_t old_new_nthreads = g_global_context->new_nthreads; 5528| 0| int16_t old_nthreads = g_global_context->nthreads; 5529| 0| g_nthreads = nthreads; 5530| 0| g_global_context->new_nthreads = nthreads; 5531| 0| int16_t ret2 = check_nthreads(g_global_context); 5532| 0| if (ret2 < 0) { ------------------ | Branch (5532:9): [True: 0, False: 0] ------------------ 5533| 0| g_nthreads = ret; 5534| 0| g_global_context->new_nthreads = old_new_nthreads; 5535| 0| g_global_context->nthreads = old_nthreads; 5536| 0| check_nthreads(g_global_context); 5537| 0| blosc2_pthread_mutex_unlock(&global_comp_mutex); ------------------ | | 93| 0|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 5538| 0| return ret2; 5539| 0| } 5540| 0| } 5541| 3.19k| blosc2_pthread_mutex_unlock(&global_comp_mutex); ------------------ | | 93| 3.19k|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 5542| | 5543| 3.19k| return ret; 5544| 3.19k|} blosc1_cbuffer_sizes: 5688| 3.19k|void blosc1_cbuffer_sizes(const void* cbuffer, size_t* nbytes, size_t* cbytes, size_t* blocksize) { 5689| 3.19k| int32_t nbytes32, cbytes32, blocksize32; 5690| 3.19k| blosc2_cbuffer_sizes(cbuffer, &nbytes32, &cbytes32, &blocksize32); 5691| 3.19k| *nbytes = nbytes32; 5692| 3.19k| *cbytes = cbytes32; 5693| 3.19k| *blocksize = blocksize32; 5694| 3.19k|} blosc2_cbuffer_sizes: 5696| 146k|int blosc2_cbuffer_sizes(const void* cbuffer, int32_t* nbytes, int32_t* cbytes, int32_t* blocksize) { 5697| 146k| blosc_header header; 5698| 146k| int rc = read_chunk_header((uint8_t *) cbuffer, BLOSC_MIN_HEADER_LENGTH, false, &header); 5699| 146k| if (rc < 0) { ------------------ | Branch (5699:7): [True: 3, False: 146k] ------------------ 5700| | /* Return zeros if error reading header */ 5701| 3| memset(&header, 0, sizeof(header)); 5702| 3| } 5703| | 5704| | /* Read the interesting values */ 5705| 146k| if (nbytes != NULL) ------------------ | Branch (5705:7): [True: 146k, False: 0] ------------------ 5706| 146k| *nbytes = header.nbytes; 5707| 146k| if (cbytes != NULL) ------------------ | Branch (5707:7): [True: 146k, False: 0] ------------------ 5708| 146k| *cbytes = header.cbytes; 5709| 146k| if (blocksize != NULL) ------------------ | Branch (5709:7): [True: 3.19k, False: 143k] ------------------ 5710| 3.19k| *blocksize = header.blocksize; 5711| 146k| return rc; 5712| 146k|} blosc1_cbuffer_validate: 5714| 3.18k|int blosc1_cbuffer_validate(const void* cbuffer, size_t cbytes, size_t* nbytes) { 5715| 3.18k| int32_t header_cbytes; 5716| 3.18k| int32_t header_nbytes; 5717| 3.18k| if (cbytes < BLOSC_MIN_HEADER_LENGTH) { ------------------ | Branch (5717:7): [True: 0, False: 3.18k] ------------------ 5718| | /* Compressed data should contain enough space for header */ 5719| 0| *nbytes = 0; 5720| 0| return BLOSC2_ERROR_WRITE_BUFFER; 5721| 0| } 5722| 3.18k| int rc = blosc2_cbuffer_sizes(cbuffer, &header_nbytes, &header_cbytes, NULL); 5723| 3.18k| if (rc < 0) { ------------------ | Branch (5723:7): [True: 0, False: 3.18k] ------------------ 5724| 0| *nbytes = 0; 5725| 0| return rc; 5726| 0| } 5727| 3.18k| *nbytes = header_nbytes; 5728| 3.18k| if (header_cbytes != (int32_t)cbytes) { ------------------ | Branch (5728:7): [True: 0, False: 3.18k] ------------------ 5729| | /* Compressed size from header does not match `cbytes` */ 5730| 0| *nbytes = 0; 5731| 0| return BLOSC2_ERROR_INVALID_HEADER; 5732| 0| } 5733| 3.18k| if (*nbytes > BLOSC2_MAX_BUFFERSIZE) { ------------------ | Branch (5733:7): [True: 0, False: 3.18k] ------------------ 5734| | /* Uncompressed size is larger than allowed */ 5735| 0| *nbytes = 0; 5736| 0| return BLOSC2_ERROR_MEMORY_ALLOC; 5737| 0| } 5738| 3.18k| return 0; 5739| 3.18k|} blosc2_init: 5847| 3.19k|void blosc2_init(void) { 5848| | /* Return if Blosc is already initialized */ 5849| 3.19k| if (g_initlib) return; ------------------ | Branch (5849:7): [True: 0, False: 3.19k] ------------------ 5850| | 5851| 3.19k| BLOSC2_IO_CB_DEFAULTS.id = BLOSC2_IO_FILESYSTEM; 5852| 3.19k| BLOSC2_IO_CB_DEFAULTS.name = "filesystem"; 5853| 3.19k| BLOSC2_IO_CB_DEFAULTS.is_allocation_necessary = true; 5854| 3.19k| BLOSC2_IO_CB_DEFAULTS.open = (blosc2_open_cb) blosc2_stdio_open; 5855| 3.19k| BLOSC2_IO_CB_DEFAULTS.close = (blosc2_close_cb) blosc2_stdio_close; 5856| 3.19k| BLOSC2_IO_CB_DEFAULTS.size = (blosc2_size_cb) blosc2_stdio_size; 5857| 3.19k| BLOSC2_IO_CB_DEFAULTS.write = (blosc2_write_cb) blosc2_stdio_write; 5858| 3.19k| BLOSC2_IO_CB_DEFAULTS.read = (blosc2_read_cb) blosc2_stdio_read; 5859| 3.19k| BLOSC2_IO_CB_DEFAULTS.truncate = (blosc2_truncate_cb) blosc2_stdio_truncate; 5860| 3.19k| BLOSC2_IO_CB_DEFAULTS.destroy = (blosc2_destroy_cb) blosc2_stdio_destroy; 5861| | 5862| 3.19k| _blosc2_register_io_cb(&BLOSC2_IO_CB_DEFAULTS); 5863| | 5864| 3.19k| BLOSC2_IO_CB_MMAP.id = BLOSC2_IO_FILESYSTEM_MMAP; 5865| 3.19k| BLOSC2_IO_CB_MMAP.name = "filesystem_mmap"; 5866| 3.19k| BLOSC2_IO_CB_MMAP.is_allocation_necessary = false; 5867| 3.19k| BLOSC2_IO_CB_MMAP.open = (blosc2_open_cb) blosc2_stdio_mmap_open; 5868| 3.19k| BLOSC2_IO_CB_MMAP.close = (blosc2_close_cb) blosc2_stdio_mmap_close; 5869| 3.19k| BLOSC2_IO_CB_MMAP.read = (blosc2_read_cb) blosc2_stdio_mmap_read; 5870| 3.19k| BLOSC2_IO_CB_MMAP.size = (blosc2_size_cb) blosc2_stdio_mmap_size; 5871| 3.19k| BLOSC2_IO_CB_MMAP.write = (blosc2_write_cb) blosc2_stdio_mmap_write; 5872| 3.19k| BLOSC2_IO_CB_MMAP.truncate = (blosc2_truncate_cb) blosc2_stdio_mmap_truncate; 5873| 3.19k| BLOSC2_IO_CB_MMAP.destroy = (blosc2_destroy_cb) blosc2_stdio_mmap_destroy; 5874| | 5875| 3.19k| _blosc2_register_io_cb(&BLOSC2_IO_CB_MMAP); 5876| | 5877| 3.19k| g_ncodecs = 0; 5878| 3.19k| g_nfilters = 0; 5879| 3.19k| g_ntuners = 0; 5880| | 5881| 3.19k|#if defined(HAVE_PLUGINS) 5882| 3.19k| #include "blosc2/blosc2-common.h" 5883| 3.19k| #include "blosc2/blosc2-stdio.h" 5884| 3.19k| register_codecs(); 5885| 3.19k| register_filters(); 5886| 3.19k| register_tuners(); 5887| 3.19k|#endif 5888| 3.19k| blosc2_pthread_mutex_init(&global_comp_mutex, NULL); ------------------ | | 90| 3.19k|#define blosc2_pthread_mutex_init(a, b) pthread_mutex_init((a), (b)) ------------------ 5889| 3.19k| blosc2_pthread_mutex_init(&pool_registry_mutex, NULL); ------------------ | | 90| 3.19k|#define blosc2_pthread_mutex_init(a, b) pthread_mutex_init((a), (b)) ------------------ 5890| | /* Create a global context */ 5891| 3.19k| g_global_context = (blosc2_context*)my_malloc(sizeof(blosc2_context)); 5892| 3.19k| memset(g_global_context, 0, sizeof(blosc2_context)); 5893| 3.19k| g_global_context->nthreads = g_nthreads; 5894| 3.19k| g_global_context->new_nthreads = g_nthreads; 5895| 3.19k| blosc2_pthread_mutex_init(&g_global_context->nchunk_mutex, NULL); ------------------ | | 90| 3.19k|#define blosc2_pthread_mutex_init(a, b) pthread_mutex_init((a), (b)) ------------------ 5896| 3.19k| g_initlib = 1; 5897| 3.19k|} blosc2_free_resources: 5900| 3.19k|int blosc2_free_resources(void) { 5901| | /* Return if Blosc is not initialized */ 5902| 3.19k| if (!g_initlib) return BLOSC2_ERROR_FAILURE; ------------------ | Branch (5902:7): [True: 0, False: 3.19k] ------------------ 5903| | 5904| 3.19k| return release_thread_backend(g_global_context); 5905| 3.19k|} blosc2_destroy: 5908| 3.19k|void blosc2_destroy(void) { 5909| | /* Return if Blosc is not initialized */ 5910| 3.19k| if (!g_initlib) return; ------------------ | Branch (5910:7): [True: 0, False: 3.19k] ------------------ 5911| | 5912| 3.19k| blosc2_free_resources(); 5913| 3.19k| g_initlib = 0; 5914| 3.19k| blosc2_free_ctx(g_global_context); 5915| | 5916| | /* Bump the epoch so any live context can detect its pool is now stale. 5917| | * Do this before freeing the pools so that release_thread_backend callers 5918| | * that race with us will take the "skip" path rather than locking the 5919| | * soon-to-be-destroyed pool_registry_mutex. */ 5920| 3.19k| g_destroy_count++; 5921| | 5922| | /* Tear down any remaining shared pools */ 5923| 3.19k| struct blosc_shared_pool *pool = shared_pools; 5924| 3.19k| while (pool != NULL) { ------------------ | Branch (5924:10): [True: 0, False: 3.19k] ------------------ 5925| 0| struct blosc_shared_pool *next = pool->next; 5926| 0| destroy_shared_pool(pool); 5927| 0| pool = next; 5928| 0| } 5929| 3.19k| shared_pools = NULL; 5930| 3.19k| blosc2_pthread_mutex_destroy(&pool_registry_mutex); ------------------ | | 91| 3.19k|#define blosc2_pthread_mutex_destroy(a) pthread_mutex_destroy((a)) ------------------ 5931| | 5932| 3.19k| blosc2_pthread_mutex_destroy(&global_comp_mutex); ------------------ | | 91| 3.19k|#define blosc2_pthread_mutex_destroy(a) pthread_mutex_destroy((a)) ------------------ 5933| 3.19k|} blosc2_free_ctx: 6189| 3.19k|void blosc2_free_ctx(blosc2_context* context) { 6190| 3.19k| if (g_initlib || ------------------ | Branch (6190:7): [True: 0, False: 3.19k] ------------------ 6191| 3.19k| context->thread_backend == BLOSC_BACKEND_PER_CONTEXT || ------------------ | | 35| 6.39k|#define BLOSC_BACKEND_PER_CONTEXT 3 /* per-context threads; used on Windows */ ------------------ | Branch (6191:7): [True: 0, False: 3.19k] ------------------ 6192| 3.19k| context->thread_backend == BLOSC_BACKEND_CALLBACK) { ------------------ | | 34| 3.19k|#define BLOSC_BACKEND_CALLBACK 2 ------------------ | Branch (6192:7): [True: 0, False: 3.19k] ------------------ 6193| 0| release_thread_backend(context); 6194| 0| } 6195| 3.19k| if (context->serial_context != NULL) { ------------------ | Branch (6195:7): [True: 3.13k, False: 61] ------------------ 6196| 3.13k| free_thread_context(context->serial_context); 6197| 3.13k| } 6198| 3.19k| blosc2_pthread_mutex_destroy(&context->nchunk_mutex); ------------------ | | 91| 3.19k|#define blosc2_pthread_mutex_destroy(a) pthread_mutex_destroy((a)) ------------------ 6199| 3.19k| release_context_dict_buffer(context); 6200| 3.19k| if (context->dict_cdict != NULL) { ------------------ | Branch (6200:7): [True: 0, False: 3.19k] ------------------ 6201| 0| if (context->compcode == BLOSC_LZ4) { ------------------ | Branch (6201:9): [True: 0, False: 0] ------------------ 6202| 0| LZ4_freeStream((LZ4_stream_t*)context->dict_cdict); 6203| 0| } else if (context->compcode == BLOSC_LZ4HC) { ------------------ | Branch (6203:16): [True: 0, False: 0] ------------------ 6204| 0| LZ4_freeStreamHC((LZ4_streamHC_t*)context->dict_cdict); 6205| 0| } 6206| 0|#ifdef HAVE_ZSTD 6207| 0| else if (context->compcode == BLOSC_ZSTD) { ------------------ | Branch (6207:14): [True: 0, False: 0] ------------------ 6208| 0| ZSTD_freeCDict(context->dict_cdict); 6209| 0| } 6210| 0|#endif 6211| 0| } 6212| 3.19k| if (context->dict_ddict != NULL) { ------------------ | Branch (6212:7): [True: 779, False: 2.41k] ------------------ 6213| 779|#ifdef HAVE_ZSTD 6214| 779| ZSTD_freeDDict(context->dict_ddict); 6215| 779|#endif 6216| 779| } 6217| 3.19k| if (context->tuner_params != NULL) { ------------------ | Branch (6217:7): [True: 0, False: 3.19k] ------------------ 6218| 0| int rc; 6219| 0| if (context->tuner_id < BLOSC_LAST_TUNER && context->tuner_id == BLOSC_STUNE) { ------------------ | | 26| 0|#define BLOSC_STUNE 0 ------------------ | Branch (6219:9): [True: 0, False: 0] | Branch (6219:49): [True: 0, False: 0] ------------------ 6220| 0| rc = blosc_stune_free(context); 6221| 0| } else { 6222| 0| for (int i = 0; i < g_ntuners; ++i) { ------------------ | Branch (6222:23): [True: 0, False: 0] ------------------ 6223| 0| if (g_tuners[i].id == context->tuner_id) { ------------------ | Branch (6223:13): [True: 0, False: 0] ------------------ 6224| 0| if (g_tuners[i].free == NULL) { ------------------ | Branch (6224:15): [True: 0, False: 0] ------------------ 6225| 0| if (fill_tuner(&g_tuners[i]) < 0) { ------------------ | Branch (6225:17): [True: 0, False: 0] ------------------ 6226| 0| BLOSC_TRACE_ERROR("Could not load tuner %d.", g_tuners[i].id); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6227| 0| return; 6228| 0| } 6229| 0| } 6230| 0| rc = g_tuners[i].free(context); 6231| 0| goto urtunersuccess; 6232| 0| } 6233| 0| } 6234| 0| BLOSC_TRACE_ERROR("User-defined tuner %d not found\n", context->tuner_id); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6235| 0| return; 6236| 0| urtunersuccess:; 6237| 0| } 6238| 0| if (rc < 0) { ------------------ | Branch (6238:9): [True: 0, False: 0] ------------------ 6239| 0| BLOSC_TRACE_ERROR("Error in user-defined tuner free function\n"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6240| 0| return; 6241| 0| } 6242| 0| } 6243| | /* May be needed if codec_params ever contains nested objects 6244| | if (context->codec_params != NULL) { 6245| | int rc; 6246| | for (int i = 0; i < g_ncodecs; ++i) { 6247| | if (g_codecs[i].compcode == context->compcode) { 6248| | if (g_codecs[i].free == NULL) { 6249| | // Dynamically load codec plugin 6250| | if (fill_codec(&g_codecs[i]) < 0) { 6251| | BLOSC_TRACE_ERROR("Could not load codec %d.", g_codecs[i].compcode); 6252| | return BLOSC2_ERROR_CODEC_SUPPORT; 6253| | } 6254| | } 6255| | if (g_codecs[i].free == NULL){ 6256| | // no free func, codec_params is simple 6257| | my_free(context->codec_params); 6258| | } 6259| | else{ // has free function for codec_params (e.g. openzl) 6260| | rc = g_codecs[i].free(context->codec_params); 6261| | goto urcodecsuccess; 6262| | } 6263| | } 6264| | } 6265| | BLOSC_TRACE_ERROR("User-defined compressor codec %d not found", context->compcode); 6266| | return BLOSC2_ERROR_CODEC_SUPPORT; 6267| | urcodecsuccess:; 6268| | if (rc < 0) { 6269| | BLOSC_TRACE_ERROR("Error in user-defined codec free function\n"); 6270| | return; 6271| | } 6272| | } 6273| | */ 6274| 3.19k| if (context->prefilter != NULL) { ------------------ | Branch (6274:7): [True: 0, False: 3.19k] ------------------ 6275| 0| my_free(context->preparams); 6276| 0| } 6277| 3.19k| if (context->postfilter != NULL) { ------------------ | Branch (6277:7): [True: 0, False: 3.19k] ------------------ 6278| 0| my_free(context->postparams); 6279| 0| } 6280| | 6281| 3.19k| if (context->block_maskout != NULL) { ------------------ | Branch (6281:7): [True: 0, False: 3.19k] ------------------ 6282| 0| free(context->block_maskout); 6283| 0| } 6284| 3.19k| if (context->blocknbytes != NULL) { ------------------ | Branch (6284:7): [True: 11, False: 3.18k] ------------------ 6285| 11| free(context->blocknbytes); 6286| 11| } 6287| 3.19k| if (context->blockoffsets != NULL) { ------------------ | Branch (6287:7): [True: 11, False: 3.18k] ------------------ 6288| 11| free(context->blockoffsets); 6289| 11| } 6290| 3.19k| if (context->blockcbytes != NULL) { ------------------ | Branch (6290:7): [True: 11, False: 3.18k] ------------------ 6291| 11| free(context->blockcbytes); 6292| 11| } 6293| 3.19k| my_free(context); 6294| 3.19k|} blosc2_ctx_get_dparams: 6321| 3.78k|int blosc2_ctx_get_dparams(blosc2_context *ctx, blosc2_dparams *dparams) { 6322| 3.78k| dparams->nthreads = ctx->nthreads; 6323| 3.78k| dparams->schunk = ctx->schunk; 6324| 3.78k| dparams->postfilter = ctx->postfilter; 6325| 3.78k| dparams->postparams = ctx->postparams; 6326| 3.78k| dparams->typesize = ctx->typesize; 6327| | 6328| 3.78k| return BLOSC2_ERROR_SUCCESS; 6329| 3.78k|} register_filter_private: 6541| 15.9k|int register_filter_private(blosc2_filter *filter) { 6542| 15.9k| BLOSC_ERROR_NULL(filter, BLOSC2_ERROR_INVALID_PARAM); ------------------ | | 104| 15.9k| do { \ | | 105| 15.9k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 15.9k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 15.9k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 15.9k] | | ------------------ ------------------ 6543| 15.9k| if (g_nfilters == UINT8_MAX) { ------------------ | Branch (6543:9): [True: 0, False: 15.9k] ------------------ 6544| 0| BLOSC_TRACE_ERROR("Can not register more filters"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6545| 0| return BLOSC2_ERROR_CODEC_SUPPORT; 6546| 0| } 6547| 15.9k| if (filter->id < BLOSC2_GLOBAL_REGISTERED_FILTERS_START) { ------------------ | Branch (6547:9): [True: 0, False: 15.9k] ------------------ 6548| 0| BLOSC_TRACE_ERROR("The id must be greater or equal than %d", BLOSC2_GLOBAL_REGISTERED_FILTERS_START); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6549| 0| return BLOSC2_ERROR_FAILURE; 6550| 0| } 6551| | /* This condition can never be fulfilled 6552| | if (filter->id > BLOSC2_USER_REGISTERED_FILTERS_STOP) { 6553| | BLOSC_TRACE_ERROR("The id must be less than or equal to %d", BLOSC2_USER_REGISTERED_FILTERS_STOP); 6554| | return BLOSC2_ERROR_FAILURE; 6555| | } 6556| | */ 6557| | 6558| 47.9k| for (uint64_t i = 0; i < g_nfilters; ++i) { ------------------ | Branch (6558:26): [True: 31.9k, False: 15.9k] ------------------ 6559| 31.9k| if (g_filters[i].id == filter->id) { ------------------ | Branch (6559:11): [True: 0, False: 31.9k] ------------------ 6560| 0| if (strcmp(g_filters[i].name, filter->name) != 0) { ------------------ | Branch (6560:13): [True: 0, False: 0] ------------------ 6561| 0| BLOSC_TRACE_ERROR("The filter (ID: %d) plugin is already registered with name: %s." ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6562| 0| " Choose another one !", filter->id, g_filters[i].name); 6563| 0| return BLOSC2_ERROR_FAILURE; 6564| 0| } 6565| 0| else { 6566| | // Already registered, so no more actions needed 6567| 0| return BLOSC2_ERROR_SUCCESS; 6568| 0| } 6569| 0| } 6570| 31.9k| } 6571| | 6572| 15.9k| blosc2_filter *filter_new = &g_filters[g_nfilters++]; 6573| 15.9k| memcpy(filter_new, filter, sizeof(blosc2_filter)); 6574| | 6575| 15.9k| return BLOSC2_ERROR_SUCCESS; 6576| 15.9k|} register_codec_private: 6591| 28.7k|int register_codec_private(blosc2_codec *codec) { 6592| 28.7k| BLOSC_ERROR_NULL(codec, BLOSC2_ERROR_INVALID_PARAM); ------------------ | | 104| 28.7k| do { \ | | 105| 28.7k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 28.7k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 28.7k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 28.7k] | | ------------------ ------------------ 6593| 28.7k| if (g_ncodecs == UINT8_MAX) { ------------------ | Branch (6593:9): [True: 0, False: 28.7k] ------------------ 6594| 0| BLOSC_TRACE_ERROR("Can not register more codecs"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6595| 0| return BLOSC2_ERROR_CODEC_SUPPORT; 6596| 0| } 6597| 28.7k| if (codec->compcode < BLOSC2_GLOBAL_REGISTERED_CODECS_START) { ------------------ | Branch (6597:9): [True: 0, False: 28.7k] ------------------ 6598| 0| BLOSC_TRACE_ERROR("The id must be greater or equal than %d", BLOSC2_GLOBAL_REGISTERED_CODECS_START); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6599| 0| return BLOSC2_ERROR_FAILURE; 6600| 0| } 6601| | /* This condition can never be fulfilled 6602| | if (codec->compcode > BLOSC2_USER_REGISTERED_CODECS_STOP) { 6603| | BLOSC_TRACE_ERROR("The id must be less or equal to %d", BLOSC2_USER_REGISTERED_CODECS_STOP); 6604| | return BLOSC2_ERROR_FAILURE; 6605| | } 6606| | */ 6607| | 6608| 143k| for (int i = 0; i < g_ncodecs; ++i) { ------------------ | Branch (6608:21): [True: 115k, False: 28.7k] ------------------ 6609| 115k| if (g_codecs[i].compcode == codec->compcode) { ------------------ | Branch (6609:11): [True: 0, False: 115k] ------------------ 6610| 0| if (strcmp(g_codecs[i].compname, codec->compname) != 0) { ------------------ | Branch (6610:13): [True: 0, False: 0] ------------------ 6611| 0| BLOSC_TRACE_ERROR("The codec (ID: %d) plugin is already registered with name: %s." ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6612| 0| " Choose another one !", codec->compcode, codec->compname); 6613| 0| return BLOSC2_ERROR_CODEC_PARAM; 6614| 0| } 6615| 0| else { 6616| | // Already registered, so no more actions needed 6617| 0| return BLOSC2_ERROR_SUCCESS; 6618| 0| } 6619| 0| } 6620| 115k| } 6621| | 6622| 28.7k| blosc2_codec *codec_new = &g_codecs[g_ncodecs++]; 6623| 28.7k| memcpy(codec_new, codec, sizeof(blosc2_codec)); 6624| | 6625| 28.7k| return BLOSC2_ERROR_SUCCESS; 6626| 28.7k|} register_tuner_private: 6641| 3.19k|int register_tuner_private(blosc2_tuner *tuner) { 6642| 3.19k| BLOSC_ERROR_NULL(tuner, BLOSC2_ERROR_INVALID_PARAM); ------------------ | | 104| 3.19k| do { \ | | 105| 3.19k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 3.19k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 3.19k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 3.19k] | | ------------------ ------------------ 6643| 3.19k| if (g_ntuners == UINT8_MAX) { ------------------ | Branch (6643:7): [True: 0, False: 3.19k] ------------------ 6644| 0| BLOSC_TRACE_ERROR("Can not register more tuners"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6645| 0| return BLOSC2_ERROR_CODEC_SUPPORT; 6646| 0| } 6647| 3.19k| if (tuner->id < BLOSC2_GLOBAL_REGISTERED_TUNER_START) { ------------------ | Branch (6647:7): [True: 0, False: 3.19k] ------------------ 6648| 0| BLOSC_TRACE_ERROR("The id must be greater or equal than %d", BLOSC2_GLOBAL_REGISTERED_TUNER_START); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6649| 0| return BLOSC2_ERROR_FAILURE; 6650| 0| } 6651| | 6652| 3.19k| for (int i = 0; i < g_ntuners; ++i) { ------------------ | Branch (6652:19): [True: 0, False: 3.19k] ------------------ 6653| 0| if (g_tuners[i].id == tuner->id) { ------------------ | Branch (6653:9): [True: 0, False: 0] ------------------ 6654| 0| if (strcmp(g_tuners[i].name, tuner->name) != 0) { ------------------ | Branch (6654:11): [True: 0, False: 0] ------------------ 6655| 0| BLOSC_TRACE_ERROR("The tuner (ID: %d) plugin is already registered with name: %s." ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6656| 0| " Choose another one !", tuner->id, g_tuners[i].name); 6657| 0| return BLOSC2_ERROR_FAILURE; 6658| 0| } 6659| 0| else { 6660| | // Already registered, so no more actions needed 6661| 0| return BLOSC2_ERROR_SUCCESS; 6662| 0| } 6663| 0| } 6664| 0| } 6665| | 6666| 3.19k| blosc2_tuner *tuner_new = &g_tuners[g_ntuners++]; 6667| 3.19k| memcpy(tuner_new, tuner, sizeof(blosc2_tuner)); 6668| | 6669| 3.19k| return BLOSC2_ERROR_SUCCESS; 6670| 3.19k|} _blosc2_register_io_cb: 6683| 6.39k|int _blosc2_register_io_cb(const blosc2_io_cb *io) { 6684| | 6685| 9.59k| for (uint64_t i = 0; i < g_nio; ++i) { ------------------ | Branch (6685:24): [True: 9.58k, False: 2] ------------------ 6686| 9.58k| if (g_ios[i].id == io->id) { ------------------ | Branch (6686:9): [True: 6.39k, False: 3.19k] ------------------ 6687| 6.39k| if (strcmp(g_ios[i].name, io->name) != 0) { ------------------ | Branch (6687:11): [True: 0, False: 6.39k] ------------------ 6688| 0| BLOSC_TRACE_ERROR("The IO (ID: %d) plugin is already registered with name: %s." ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 6689| 0| " Choose another one !", io->id, g_ios[i].name); 6690| 0| return BLOSC2_ERROR_PLUGIN_IO; 6691| 0| } 6692| 6.39k| else { 6693| | // Already registered, so no more actions needed 6694| 6.39k| return BLOSC2_ERROR_SUCCESS; 6695| 6.39k| } 6696| 6.39k| } 6697| 9.58k| } 6698| | 6699| 2| blosc2_io_cb *io_new = &g_ios[g_nio++]; 6700| 2| memcpy(io_new, io, sizeof(blosc2_io_cb)); 6701| | 6702| 2| return BLOSC2_ERROR_SUCCESS; 6703| 6.39k|} blosc2_error_string: 6815| 2|const char *blosc2_error_string(int error_code) { 6816| 2| switch (error_code) { 6817| 2| case BLOSC2_ERROR_FAILURE: ------------------ | Branch (6817:5): [True: 2, False: 0] ------------------ 6818| 2| return "Generic failure"; 6819| 0| case BLOSC2_ERROR_STREAM: ------------------ | Branch (6819:5): [True: 0, False: 2] ------------------ 6820| 0| return "Bad stream"; 6821| 0| case BLOSC2_ERROR_DATA: ------------------ | Branch (6821:5): [True: 0, False: 2] ------------------ 6822| 0| return "Invalid data"; 6823| 0| case BLOSC2_ERROR_MEMORY_ALLOC: ------------------ | Branch (6823:5): [True: 0, False: 2] ------------------ 6824| 0| return "Memory alloc/realloc failure"; 6825| 0| case BLOSC2_ERROR_READ_BUFFER: ------------------ | Branch (6825:5): [True: 0, False: 2] ------------------ 6826| 0| return "Not enough space to read"; 6827| 0| case BLOSC2_ERROR_WRITE_BUFFER: ------------------ | Branch (6827:5): [True: 0, False: 2] ------------------ 6828| 0| return "Not enough space to write"; 6829| 0| case BLOSC2_ERROR_CODEC_SUPPORT: ------------------ | Branch (6829:5): [True: 0, False: 2] ------------------ 6830| 0| return "Codec not supported"; 6831| 0| case BLOSC2_ERROR_CODEC_PARAM: ------------------ | Branch (6831:5): [True: 0, False: 2] ------------------ 6832| 0| return "Invalid parameter supplied to codec"; 6833| 0| case BLOSC2_ERROR_CODEC_DICT: ------------------ | Branch (6833:5): [True: 0, False: 2] ------------------ 6834| 0| return "Codec dictionary error"; 6835| 0| case BLOSC2_ERROR_VERSION_SUPPORT: ------------------ | Branch (6835:5): [True: 0, False: 2] ------------------ 6836| 0| return "Version not supported"; 6837| 0| case BLOSC2_ERROR_INVALID_HEADER: ------------------ | Branch (6837:5): [True: 0, False: 2] ------------------ 6838| 0| return "Invalid value in header"; 6839| 0| case BLOSC2_ERROR_INVALID_PARAM: ------------------ | Branch (6839:5): [True: 0, False: 2] ------------------ 6840| 0| return "Invalid parameter supplied to function"; 6841| 0| case BLOSC2_ERROR_FILE_READ: ------------------ | Branch (6841:5): [True: 0, False: 2] ------------------ 6842| 0| return "File read failure"; 6843| 0| case BLOSC2_ERROR_FILE_WRITE: ------------------ | Branch (6843:5): [True: 0, False: 2] ------------------ 6844| 0| return "File write failure"; 6845| 0| case BLOSC2_ERROR_FILE_OPEN: ------------------ | Branch (6845:5): [True: 0, False: 2] ------------------ 6846| 0| return "File open failure"; 6847| 0| case BLOSC2_ERROR_NOT_FOUND: ------------------ | Branch (6847:5): [True: 0, False: 2] ------------------ 6848| 0| return "Not found"; 6849| 0| case BLOSC2_ERROR_RUN_LENGTH: ------------------ | Branch (6849:5): [True: 0, False: 2] ------------------ 6850| 0| return "Bad run length encoding"; 6851| 0| case BLOSC2_ERROR_FILTER_PIPELINE: ------------------ | Branch (6851:5): [True: 0, False: 2] ------------------ 6852| 0| return "Filter pipeline error"; 6853| 0| case BLOSC2_ERROR_CHUNK_INSERT: ------------------ | Branch (6853:5): [True: 0, False: 2] ------------------ 6854| 0| return "Chunk insert failure"; 6855| 0| case BLOSC2_ERROR_CHUNK_APPEND: ------------------ | Branch (6855:5): [True: 0, False: 2] ------------------ 6856| 0| return "Chunk append failure"; 6857| 0| case BLOSC2_ERROR_CHUNK_UPDATE: ------------------ | Branch (6857:5): [True: 0, False: 2] ------------------ 6858| 0| return "Chunk update failure"; 6859| 0| case BLOSC2_ERROR_2GB_LIMIT: ------------------ | Branch (6859:5): [True: 0, False: 2] ------------------ 6860| 0| return "Sizes larger than 2gb not supported"; 6861| 0| case BLOSC2_ERROR_SCHUNK_COPY: ------------------ | Branch (6861:5): [True: 0, False: 2] ------------------ 6862| 0| return "Super-chunk copy failure"; 6863| 0| case BLOSC2_ERROR_FRAME_TYPE: ------------------ | Branch (6863:5): [True: 0, False: 2] ------------------ 6864| 0| return "Wrong type for frame"; 6865| 0| case BLOSC2_ERROR_FILE_TRUNCATE: ------------------ | Branch (6865:5): [True: 0, False: 2] ------------------ 6866| 0| return "File truncate failure"; 6867| 0| case BLOSC2_ERROR_THREAD_CREATE: ------------------ | Branch (6867:5): [True: 0, False: 2] ------------------ 6868| 0| return "Thread or thread context creation failure"; 6869| 0| case BLOSC2_ERROR_POSTFILTER: ------------------ | Branch (6869:5): [True: 0, False: 2] ------------------ 6870| 0| return "Postfilter failure"; 6871| 0| case BLOSC2_ERROR_FRAME_SPECIAL: ------------------ | Branch (6871:5): [True: 0, False: 2] ------------------ 6872| 0| return "Special frame failure"; 6873| 0| case BLOSC2_ERROR_SCHUNK_SPECIAL: ------------------ | Branch (6873:5): [True: 0, False: 2] ------------------ 6874| 0| return "Special super-chunk failure"; 6875| 0| case BLOSC2_ERROR_PLUGIN_IO: ------------------ | Branch (6875:5): [True: 0, False: 2] ------------------ 6876| 0| return "IO plugin error"; 6877| 0| case BLOSC2_ERROR_FILE_REMOVE: ------------------ | Branch (6877:5): [True: 0, False: 2] ------------------ 6878| 0| return "Remove file failure"; 6879| 0| case BLOSC2_ERROR_NULL_POINTER: ------------------ | Branch (6879:5): [True: 0, False: 2] ------------------ 6880| 0| return "Pointer is null"; 6881| 0| case BLOSC2_ERROR_INVALID_INDEX: ------------------ | Branch (6881:5): [True: 0, False: 2] ------------------ 6882| 0| return "Invalid index"; 6883| 0| case BLOSC2_ERROR_METALAYER_NOT_FOUND: ------------------ | Branch (6883:5): [True: 0, False: 2] ------------------ 6884| 0| return "Metalayer has not been found"; 6885| 0| case BLOSC2_ERROR_MAX_BUFSIZE_EXCEEDED: ------------------ | Branch (6885:5): [True: 0, False: 2] ------------------ 6886| 0| return "Maximum buffersize exceeded"; 6887| 0| case BLOSC2_ERROR_TUNER: ------------------ | Branch (6887:5): [True: 0, False: 2] ------------------ 6888| 0| return "Tuner failure"; 6889| 0| default: ------------------ | Branch (6889:5): [True: 0, False: 2] ------------------ 6890| 0| return "Unknown error"; 6891| 2| } 6892| 2|} blosc2.c:flags_to_filters: 687| 149k|static void flags_to_filters(const uint8_t flags, uint8_t* filters) { 688| | /* Initialize the filter pipeline */ 689| 149k| memset(filters, 0, BLOSC2_MAX_FILTERS); 690| | /* Fill the filter pipeline */ 691| 149k| if (flags & BLOSC_DOSHUFFLE) ------------------ | Branch (691:7): [True: 144k, False: 5.72k] ------------------ 692| 144k| filters[BLOSC2_MAX_FILTERS - 1] = BLOSC_SHUFFLE; 693| 149k| if (flags & BLOSC_DOBITSHUFFLE) ------------------ | Branch (693:7): [True: 144k, False: 5.24k] ------------------ 694| 144k| filters[BLOSC2_MAX_FILTERS - 1] = BLOSC_BITSHUFFLE; 695| 149k| if (flags & BLOSC_DODELTA) ------------------ | Branch (695:7): [True: 10.0k, False: 139k] ------------------ 696| 10.0k| filters[BLOSC2_MAX_FILTERS - 2] = BLOSC_DELTA; 697| 149k|} blosc2.c:destroy_thread_context: 2281| 3.13k|static void destroy_thread_context(struct thread_context* thread_context) { 2282| 3.13k| my_free(thread_context->tmp); 2283| 3.13k|#if defined(HAVE_ZSTD) 2284| 3.13k| if (thread_context->zstd_cctx != NULL) { ------------------ | Branch (2284:7): [True: 0, False: 3.13k] ------------------ 2285| 0| ZSTD_freeCCtx(thread_context->zstd_cctx); 2286| 0| } 2287| 3.13k| if (thread_context->zstd_dctx != NULL) { ------------------ | Branch (2287:7): [True: 1.87k, False: 1.26k] ------------------ 2288| 1.87k| ZSTD_freeDCtx(thread_context->zstd_dctx); 2289| 1.87k| } 2290| 3.13k|#endif 2291| 3.13k| if (thread_context->lz4_cstream != NULL) { ------------------ | Branch (2291:7): [True: 0, False: 3.13k] ------------------ 2292| 0| LZ4_freeStream((LZ4_stream_t*)thread_context->lz4_cstream); 2293| 0| } 2294| 3.13k| if (thread_context->lz4hc_cstream != NULL) { ------------------ | Branch (2294:7): [True: 0, False: 3.13k] ------------------ 2295| 0| LZ4_freeStreamHC((LZ4_streamHC_t*)thread_context->lz4hc_cstream); 2296| 0| } 2297| 3.13k|} blosc2.c:my_free: 272| 9.46k|static void my_free(void* block) { 273| |#if defined(_WIN32) 274| | _aligned_free(block); 275| |#else 276| 9.46k| free(block); 277| 9.46k|#endif /* _WIN32 */ 278| 9.46k|} blosc2.c:filters_to_flags: 664| 1.65k|static uint8_t filters_to_flags(const uint8_t* filters) { 665| 1.65k| uint8_t flags = 0; 666| | 667| 11.5k| for (int i = 0; i < BLOSC2_MAX_FILTERS; i++) { ------------------ | Branch (667:19): [True: 9.92k, False: 1.65k] ------------------ 668| 9.92k| switch (filters[i]) { 669| 1.13k| case BLOSC_SHUFFLE: ------------------ | Branch (669:7): [True: 1.13k, False: 8.79k] ------------------ 670| 1.13k| flags |= BLOSC_DOSHUFFLE; 671| 1.13k| break; 672| 472| case BLOSC_BITSHUFFLE: ------------------ | Branch (672:7): [True: 472, False: 9.45k] ------------------ 673| 472| flags |= BLOSC_DOBITSHUFFLE; 674| 472| break; 675| 766| case BLOSC_DELTA: ------------------ | Branch (675:7): [True: 766, False: 9.15k] ------------------ 676| 766| flags |= BLOSC_DODELTA; 677| 766| break; 678| 7.55k| default : ------------------ | Branch (678:7): [True: 7.55k, False: 2.37k] ------------------ 679| 7.55k| break; 680| 9.92k| } 681| 9.92k| } 682| 1.65k| return flags; 683| 1.65k|} blosc2.c:blosc2_calculate_blocks: 852| 3.15k|static inline void blosc2_calculate_blocks(blosc2_context* context) { 853| | /* Compute number of blocks in buffer */ 854| 3.15k| context->nblocks = context->sourcesize / context->blocksize; 855| 3.15k| context->leftover = context->sourcesize % context->blocksize; 856| 3.15k| context->nblocks = (context->leftover > 0) ? ------------------ | Branch (856:22): [True: 1.87k, False: 1.28k] ------------------ 857| 1.87k| (context->nblocks + 1) : context->nblocks; 858| 3.15k|} blosc2.c:clibcode_to_clibname: 305| 3|static const char* clibcode_to_clibname(int clibcode) { 306| 3| if (clibcode == BLOSC_BLOSCLZ_LIB) return BLOSC_BLOSCLZ_LIBNAME; ------------------ | | 367| 0|#define BLOSC_BLOSCLZ_LIBNAME "BloscLZ" ------------------ | Branch (306:7): [True: 0, False: 3] ------------------ 307| 3| if (clibcode == BLOSC_LZ4_LIB) return BLOSC_LZ4_LIBNAME; ------------------ | | 368| 0|#define BLOSC_LZ4_LIBNAME "LZ4" ------------------ | Branch (307:7): [True: 0, False: 3] ------------------ 308| 3| if (clibcode == BLOSC_ZLIB_LIB) return BLOSC_ZLIB_LIBNAME; ------------------ | | 369| 0|#define BLOSC_ZLIB_LIBNAME "Zlib" ------------------ | Branch (308:7): [True: 0, False: 3] ------------------ 309| 3| if (clibcode == BLOSC_ZSTD_LIB) return BLOSC_ZSTD_LIBNAME; ------------------ | | 370| 0|#define BLOSC_ZSTD_LIBNAME "Zstd" ------------------ | Branch (309:7): [True: 0, False: 3] ------------------ 310| 30| for (int i = 0; i < g_ncodecs; ++i) { ------------------ | Branch (310:19): [True: 27, False: 3] ------------------ 311| 27| if (clibcode == g_codecs[i].complib) ------------------ | Branch (311:9): [True: 0, False: 27] ------------------ 312| 0| return g_codecs[i].compname; 313| 27| } 314| 3| return NULL; /* should never happen */ 315| 3|} blosc2.c:blosc_run_decompression_with_context: 3911| 3.18k| void* dest, int32_t destsize) { 3912| 3.18k| blosc_header header; 3913| 3.18k| int32_t ntbytes; 3914| 3.18k| int rc; 3915| | 3916| 3.18k| rc = read_chunk_header(src, srcsize, true, &header); 3917| 3.18k| if (rc < 0) { ------------------ | Branch (3917:7): [True: 11, False: 3.17k] ------------------ 3918| 11| return rc; 3919| 11| } 3920| | 3921| 3.17k| if (header.nbytes > destsize) { ------------------ | Branch (3921:7): [True: 2, False: 3.17k] ------------------ 3922| | // Not enough space for writing into the destination 3923| 2| return BLOSC2_ERROR_WRITE_BUFFER; 3924| 2| } 3925| | 3926| 3.17k| rc = initialize_context_decompression(context, &header, src, srcsize, dest, destsize); 3927| 3.17k| if (rc < 0) { ------------------ | Branch (3927:7): [True: 36, False: 3.13k] ------------------ 3928| 36| return rc; 3929| 36| } 3930| | 3931| | /* Do the actual decompression */ 3932| 3.13k| ntbytes = do_job(context); 3933| 3.13k| if (ntbytes < 0) { ------------------ | Branch (3933:7): [True: 2.97k, False: 159] ------------------ 3934| 2.97k| return ntbytes; 3935| 2.97k| } 3936| | 3937| 3.13k| assert(ntbytes <= (int32_t)destsize); 3938| 159| return ntbytes; 3939| 3.13k|} blosc2.c:initialize_context_decompression: 2689| 3.17k| int32_t srcsize, void* dest, int32_t destsize) { 2690| 3.17k| int32_t bstarts_end; 2691| 3.17k| bool vlblocks; 2692| | 2693| 3.17k| context->do_compress = 0; 2694| 3.17k| context->src = (const uint8_t*)src; 2695| 3.17k| context->srcsize = srcsize; 2696| 3.17k| context->dest = (uint8_t*)dest; 2697| 3.17k| context->destsize = destsize; 2698| 3.17k| context->output_bytes = 0; 2699| 3.17k| context->vlblock_sources = NULL; 2700| 3.17k| context->vlblock_dests = NULL; 2701| 3.17k| if (context->blocknbytes != NULL) { ------------------ | Branch (2701:7): [True: 0, False: 3.17k] ------------------ 2702| 0| free(context->blocknbytes); 2703| 0| context->blocknbytes = NULL; 2704| 0| } 2705| 3.17k| if (context->blockoffsets != NULL) { ------------------ | Branch (2705:7): [True: 0, False: 3.17k] ------------------ 2706| 0| free(context->blockoffsets); 2707| 0| context->blockoffsets = NULL; 2708| 0| } 2709| 3.17k| if (context->blockcbytes != NULL) { ------------------ | Branch (2709:7): [True: 0, False: 3.17k] ------------------ 2710| 0| free(context->blockcbytes); 2711| 0| context->blockcbytes = NULL; 2712| 0| } 2713| | 2714| 3.17k| int rc = blosc2_initialize_context_from_header(context, header); 2715| 3.17k| if (rc < 0) { ------------------ | Branch (2715:7): [True: 0, False: 3.17k] ------------------ 2716| 0| return rc; 2717| 0| } 2718| 3.17k| clear_context_decompression_dict(context); 2719| 3.17k| vlblocks = (context->blosc2_flags2 & BLOSC2_VL_BLOCKS) != 0; 2720| 3.17k| bool is_lazy = ((context->header_overhead == BLOSC_EXTENDED_HEADER_LENGTH) && ------------------ | Branch (2720:19): [True: 1.65k, False: 1.51k] ------------------ 2721| 1.65k| (context->blosc2_flags & 0x08u)); ------------------ | Branch (2721:19): [True: 9, False: 1.64k] ------------------ 2722| | 2723| | /* Check that we have enough space to decompress */ 2724| 3.17k| if (context->sourcesize > (int32_t)context->destsize) { ------------------ | Branch (2724:7): [True: 0, False: 3.17k] ------------------ 2725| 0| return BLOSC2_ERROR_WRITE_BUFFER; 2726| 0| } 2727| | 2728| 3.17k| if (context->block_maskout != NULL && context->block_maskout_nitems != context->nblocks) { ------------------ | Branch (2728:7): [True: 0, False: 3.17k] | Branch (2728:41): [True: 0, False: 0] ------------------ 2729| 0| BLOSC_TRACE_ERROR("The number of items in block_maskout (%d) must match the number" ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2730| 0| " of blocks in chunk (%d).", 2731| 0| context->block_maskout_nitems, context->nblocks); 2732| 0| return BLOSC2_ERROR_DATA; 2733| 0| } 2734| | 2735| 3.17k| context->special_type = (header->blosc2_flags >> 4) & BLOSC2_SPECIAL_MASK; 2736| 3.17k| if (context->special_type > BLOSC2_SPECIAL_LASTID) { ------------------ | Branch (2736:7): [True: 0, False: 3.17k] ------------------ 2737| 0| BLOSC_TRACE_ERROR("Unknown special values ID (%d) ", ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2738| 0| context->special_type); 2739| 0| return BLOSC2_ERROR_DATA; 2740| 0| } 2741| | 2742| 3.17k| int memcpyed = (context->header_flags & (uint8_t) BLOSC_MEMCPYED); 2743| 3.17k| if (memcpyed && (header->cbytes != header->nbytes + context->header_overhead)) { ------------------ | Branch (2743:7): [True: 14, False: 3.15k] | Branch (2743:19): [True: 12, False: 2] ------------------ 2744| 12| BLOSC_TRACE_ERROR("Wrong header info for this memcpyed chunk"); ------------------ | | 93| 12|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 12| do { \ | | | | 98| 12| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 12| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 12, False: 0] | | | | ------------------ | | | | 100| 12| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2745| 12| return BLOSC2_ERROR_DATA; 2746| 12| } 2747| | 2748| 3.16k| if ((header->nbytes == 0) && (header->cbytes == context->header_overhead) && ------------------ | Branch (2748:7): [True: 0, False: 3.16k] | Branch (2748:32): [True: 0, False: 0] ------------------ 2749| 0| !context->special_type) { ------------------ | Branch (2749:7): [True: 0, False: 0] ------------------ 2750| | // A compressed buffer with only a header can only contain a zero-length buffer 2751| 0| return 0; 2752| 0| } 2753| | 2754| 3.16k| context->bstarts = (int32_t *) (context->src + context->header_overhead); 2755| 3.16k| bstarts_end = context->header_overhead; 2756| 3.16k| if (!context->special_type && !memcpyed) { ------------------ | Branch (2756:7): [True: 3.13k, False: 24] | Branch (2756:33): [True: 3.13k, False: 2] ------------------ 2757| 3.13k| size_t bstarts_end_tmp; 2758| 3.13k| size_t bstarts_nbytes; 2759| 3.13k| if (context->nblocks < 0 || ------------------ | Branch (2759:9): [True: 0, False: 3.13k] ------------------ 2760| 3.13k| !checked_mul_size((size_t)context->nblocks, sizeof(int32_t), &bstarts_nbytes) || ------------------ | Branch (2760:9): [True: 0, False: 3.13k] ------------------ 2761| 3.13k| !checked_add_size((size_t)context->header_overhead, bstarts_nbytes, &bstarts_end_tmp) || ------------------ | Branch (2761:9): [True: 0, False: 3.13k] ------------------ 2762| 3.13k| bstarts_end_tmp > (size_t)INT32_MAX) { ------------------ | Branch (2762:9): [True: 0, False: 3.13k] ------------------ 2763| 0| BLOSC_TRACE_ERROR("Invalid bstarts size in chunk header."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2764| 0| return BLOSC2_ERROR_INVALID_HEADER; 2765| 0| } 2766| | /* If chunk is not special or a memcpyed, we do have a bstarts section */ 2767| 3.13k| bstarts_end = (int32_t)bstarts_end_tmp; 2768| 3.13k| } 2769| | 2770| 3.16k| if (srcsize < bstarts_end) { ------------------ | Branch (2770:7): [True: 0, False: 3.16k] ------------------ 2771| 0| BLOSC_TRACE_ERROR("`bstarts` exceeds length of source buffer."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2772| 0| return BLOSC2_ERROR_READ_BUFFER; 2773| 0| } 2774| | 2775| 3.16k| if (vlblocks && is_lazy && !context->special_type && !memcpyed) { ------------------ | Branch (2775:7): [True: 14, False: 3.14k] | Branch (2775:19): [True: 5, False: 9] | Branch (2775:30): [True: 5, False: 0] | Branch (2775:56): [True: 5, False: 0] ------------------ 2776| 5| size_t block_csizes_nbytes; 2777| 5| size_t trailer_meta_nbytes; 2778| 5| size_t lazy_trailer_end; 2779| 5| if (context->srcsize < 0 || context->nblocks < 0 || ------------------ | Branch (2779:9): [True: 0, False: 5] | Branch (2779:33): [True: 0, False: 5] ------------------ 2780| 5| !checked_mul_size((size_t)context->nblocks, sizeof(int32_t), &block_csizes_nbytes) || ------------------ | Branch (2780:9): [True: 0, False: 5] ------------------ 2781| 5| !checked_add_size(sizeof(int32_t) + sizeof(int64_t), block_csizes_nbytes, &trailer_meta_nbytes) || ------------------ | Branch (2781:9): [True: 0, False: 5] ------------------ 2782| 5| !checked_add_size((size_t)bstarts_end, trailer_meta_nbytes, &lazy_trailer_end) || ------------------ | Branch (2782:9): [True: 0, False: 5] ------------------ 2783| 5| (size_t)context->srcsize < lazy_trailer_end) { ------------------ | Branch (2783:9): [True: 3, False: 2] ------------------ 2784| 3| BLOSC_TRACE_ERROR("Lazy trailer exceeds source buffer."); ------------------ | | 93| 3|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 3| do { \ | | | | 98| 3| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 3| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 3, False: 0] | | | | ------------------ | | | | 100| 3| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2785| 3| return BLOSC2_ERROR_READ_BUFFER; 2786| 3| } 2787| 5| } 2788| 3.15k| srcsize -= bstarts_end; 2789| | 2790| | /* Read optional dictionary if flag set */ 2791| 3.15k| if ((context->blosc2_flags & BLOSC2_USEDICT) && !is_lazy) { ------------------ | Branch (2791:7): [True: 942, False: 2.21k] | Branch (2791:51): [True: 942, False: 0] ------------------ 2792| 942| context->use_dict = 1; 2793| | // The dictionary section is after the bstarts block: [int32 size | raw bytes] 2794| 942| if (srcsize < (signed)sizeof(int32_t)) { ------------------ | Branch (2794:9): [True: 0, False: 942] ------------------ 2795| 0| BLOSC_TRACE_ERROR("Not enough space to read size of dictionary."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2796| 0| return BLOSC2_ERROR_READ_BUFFER; 2797| 0| } 2798| 942| srcsize -= sizeof(int32_t); 2799| | // Read dictionary size 2800| 942| context->dict_size = sw32_(context->src + bstarts_end); 2801| 942| if (context->dict_size <= 0 || context->dict_size > BLOSC2_MAXDICTSIZE) { ------------------ | Branch (2801:9): [True: 0, False: 942] | Branch (2801:36): [True: 2, False: 940] ------------------ 2802| 2| BLOSC_TRACE_ERROR("Dictionary size is smaller than minimum or larger than maximum allowed."); ------------------ | | 93| 2|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 2| do { \ | | | | 98| 2| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 2| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 2, False: 0] | | | | ------------------ | | | | 100| 2| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2803| 2| return BLOSC2_ERROR_CODEC_DICT; 2804| 2| } 2805| 940| if (srcsize < (int32_t)context->dict_size) { ------------------ | Branch (2805:9): [True: 0, False: 940] ------------------ 2806| 0| BLOSC_TRACE_ERROR("Not enough space to read entire dictionary."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2807| 0| return BLOSC2_ERROR_READ_BUFFER; 2808| 0| } 2809| 940| srcsize -= context->dict_size; 2810| | // dict_buffer points directly into the source chunk — no copy needed 2811| 940| context->dict_buffer = (void*)(context->src + bstarts_end + sizeof(int32_t)); 2812| 940| context->dict_buffer_owned = false; 2813| 940|#if defined(HAVE_ZSTD) 2814| | // context->compcode during decompression holds the format code (flags >> 5), 2815| | // so compare against BLOSC_ZSTD_FORMAT (not BLOSC_ZSTD). 2816| 940| if (context->compcode == BLOSC_ZSTD_FORMAT) { ------------------ | Branch (2816:9): [True: 787, False: 153] ------------------ 2817| 787| context->dict_ddict = ZSTD_createDDict(context->dict_buffer, context->dict_size); 2818| 787| if (context->dict_ddict == NULL) { ------------------ | Branch (2818:11): [True: 8, False: 779] ------------------ 2819| 8| BLOSC_TRACE_ERROR("Cannot create ZSTD dictionary for chunk."); ------------------ | | 93| 8|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 8| do { \ | | | | 98| 8| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 8| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 8, False: 0] | | | | ------------------ | | | | 100| 8| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2820| 8| return BLOSC2_ERROR_CODEC_DICT; 2821| 8| } 2822| 787| } 2823| 940|#endif // HAVE_ZSTD 2824| | // For LZ4/LZ4HC: dict_buffer and dict_size are sufficient; no digested object needed. 2825| 940| } 2826| 2.21k| else if ((context->blosc2_flags & BLOSC2_USEDICT) && is_lazy) { ------------------ | Branch (2826:12): [True: 0, False: 2.21k] | Branch (2826:56): [True: 0, False: 0] ------------------ 2827| 0| rc = load_lazy_chunk_dict(context, header, bstarts_end); 2828| 0| if (rc < 0) { ------------------ | Branch (2828:9): [True: 0, False: 0] ------------------ 2829| 0| return rc; 2830| 0| } 2831| 0| } 2832| | 2833| 3.14k| if (vlblocks && !context->special_type && !memcpyed) { ------------------ | Branch (2833:7): [True: 11, False: 3.13k] | Branch (2833:19): [True: 11, False: 0] | Branch (2833:45): [True: 11, False: 0] ------------------ 2834| 11| context->blocknbytes = malloc((size_t)context->nblocks * sizeof(int32_t)); 2835| 11| BLOSC_ERROR_NULL(context->blocknbytes, BLOSC2_ERROR_MEMORY_ALLOC); ------------------ | | 104| 11| do { \ | | 105| 11| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 11] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 11| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 11] | | ------------------ ------------------ 2836| 11| context->blockoffsets = malloc((size_t)context->nblocks * sizeof(int32_t)); 2837| 11| BLOSC_ERROR_NULL(context->blockoffsets, BLOSC2_ERROR_MEMORY_ALLOC); ------------------ | | 104| 11| do { \ | | 105| 11| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 11] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 11| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 11] | | ------------------ ------------------ 2838| 11| context->blockcbytes = malloc((size_t)context->nblocks * sizeof(int32_t)); 2839| 11| BLOSC_ERROR_NULL(context->blockcbytes, BLOSC2_ERROR_MEMORY_ALLOC); ------------------ | | 104| 11| do { \ | | 105| 11| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 11] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 11| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 11] | | ------------------ ------------------ 2840| | 2841| 11| if (is_lazy) { ------------------ | Branch (2841:9): [True: 2, False: 9] ------------------ 2842| | // Lazy VL: block data is on disk, so blocknbytes is unknown at this point. 2843| | // Populate blockcbytes from bstarts differences; blocksize gets max(blockcbytes) 2844| | // as a safe upper bound so tmp buffers are large enough for the lazy block read. 2845| 2| int32_t max_csize = 0; 2846| 8| for (int32_t i = 0; i < context->nblocks; ++i) { ------------------ | Branch (2846:27): [True: 8, False: 0] ------------------ 2847| 8| int32_t bstart = sw32_(context->bstarts + i); 2848| 8| int32_t next_bstart = (i + 1 < context->nblocks) ? ------------------ | Branch (2848:31): [True: 8, False: 0] ------------------ 2849| 8| sw32_(context->bstarts + i + 1) : header->cbytes; 2850| 8| if (bstart < bstarts_end || next_bstart <= bstart || ------------------ | Branch (2850:13): [True: 0, False: 8] | Branch (2850:37): [True: 1, False: 7] ------------------ 2851| 7| next_bstart > header->cbytes) { ------------------ | Branch (2851:13): [True: 1, False: 6] ------------------ 2852| 2| BLOSC_TRACE_ERROR("Invalid VL-block offsets in lazy chunk."); ------------------ | | 93| 2|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 2| do { \ | | | | 98| 2| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 2| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 2, False: 0] | | | | ------------------ | | | | 100| 2| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2853| 2| return BLOSC2_ERROR_INVALID_HEADER; 2854| 2| } 2855| 6| context->blocknbytes[i] = 0; // unknown until block is read from disk 2856| 6| context->blockoffsets[i] = 0; // unknown 2857| 6| context->blockcbytes[i] = next_bstart - bstart; 2858| 6| if (context->blockcbytes[i] > max_csize) { ------------------ | Branch (2858:13): [True: 2, False: 4] ------------------ 2859| 2| max_csize = context->blockcbytes[i]; 2860| 2| } 2861| 6| } 2862| 0| context->blocksize = max_csize; 2863| 0| context->leftover = 0; 2864| 0| } 2865| 9| else { 2866| 9| int32_t max_blocksize = 0; 2867| 9| int64_t total_nbytes = 0; 2868| 9| int32_t prev_bstart = 0; 2869| 18| for (int32_t i = 0; i < context->nblocks; ++i) { ------------------ | Branch (2869:27): [True: 15, False: 3] ------------------ 2870| 15| int32_t bstart = sw32_(context->bstarts + i); 2871| 15| int32_t next_bstart = (i + 1 < context->nblocks) ? ------------------ | Branch (2871:31): [True: 11, False: 4] ------------------ 2872| 11| sw32_(context->bstarts + i + 1) : header->cbytes; 2873| 15| if (bstart < bstarts_end || bstart <= prev_bstart || next_bstart <= bstart || ------------------ | Branch (2873:13): [True: 1, False: 14] | Branch (2873:37): [True: 0, False: 14] | Branch (2873:62): [True: 3, False: 11] ------------------ 2874| 11| next_bstart > header->cbytes || bstart > context->srcsize - (int32_t)sizeof(int32_t)) { ------------------ | Branch (2874:13): [True: 1, False: 10] | Branch (2874:45): [True: 0, False: 10] ------------------ 2875| 5| BLOSC_TRACE_ERROR("Invalid VL-block offsets in chunk."); ------------------ | | 93| 5|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 5| do { \ | | | | 98| 5| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 5| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 5, False: 0] | | | | ------------------ | | | | 100| 5| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2876| 5| return BLOSC2_ERROR_INVALID_HEADER; 2877| 5| } 2878| 10| context->blocknbytes[i] = sw32_(context->src + bstart); 2879| 10| context->blockcbytes[i] = next_bstart - bstart; 2880| 10| if (context->blocknbytes[i] <= 0) { ------------------ | Branch (2880:13): [True: 0, False: 10] ------------------ 2881| 0| BLOSC_TRACE_ERROR("Invalid VL-block uncompressed size in chunk."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2882| 0| return BLOSC2_ERROR_INVALID_HEADER; 2883| 0| } 2884| 10| if (total_nbytes > INT32_MAX) { ------------------ | Branch (2884:13): [True: 0, False: 10] ------------------ 2885| 0| BLOSC_TRACE_ERROR("Invalid VL-block cumulative size in chunk."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2886| 0| return BLOSC2_ERROR_INVALID_HEADER; 2887| 0| } 2888| 10| context->blockoffsets[i] = (int32_t)total_nbytes; 2889| 10| total_nbytes += context->blocknbytes[i]; 2890| 10| if (total_nbytes > context->sourcesize) { ------------------ | Branch (2890:13): [True: 1, False: 9] ------------------ 2891| 1| BLOSC_TRACE_ERROR("VL-block sizes exceed chunk nbytes."); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2892| 1| return BLOSC2_ERROR_INVALID_HEADER; 2893| 1| } 2894| 9| if (context->blocknbytes[i] > max_blocksize) { ------------------ | Branch (2894:13): [True: 9, False: 0] ------------------ 2895| 9| max_blocksize = context->blocknbytes[i]; 2896| 9| } 2897| 9| prev_bstart = bstart; 2898| 9| } 2899| 3| if (total_nbytes != context->sourcesize) { ------------------ | Branch (2899:11): [True: 3, False: 0] ------------------ 2900| 3| BLOSC_TRACE_ERROR("VL-block sizes do not add up to chunk nbytes."); ------------------ | | 93| 3|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 3| do { \ | | | | 98| 3| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 3| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 3, False: 0] | | | | ------------------ | | | | 100| 3| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2901| 3| return BLOSC2_ERROR_INVALID_HEADER; 2902| 3| } 2903| 0| context->blocksize = max_blocksize; 2904| 0| context->leftover = 0; 2905| 0| } 2906| 11| } 2907| | 2908| 3.13k| return 0; 2909| 3.14k|} blosc2.c:do_job: 2354| 3.13k|static int do_job(blosc2_context* context) { 2355| 3.13k| int32_t ntbytes; 2356| | 2357| | /* Set sentinels */ 2358| 3.13k| context->dref_not_init = 1; 2359| | 2360| | /* Check whether we need to restart threads */ 2361| 3.13k| check_nthreads(context); 2362| | 2363| | /* Run the serial version when nthreads is 1 or when the buffers are 2364| | not larger than blocksize */ 2365| 3.13k| if (context->nthreads == 1 || (context->sourcesize / context->blocksize) <= 1) { ------------------ | Branch (2365:7): [True: 3.13k, False: 0] | Branch (2365:33): [True: 0, False: 0] ------------------ 2366| | /* The context for this 'thread' has no been initialized yet */ 2367| 3.13k| if (context->serial_context == NULL) { ------------------ | Branch (2367:9): [True: 3.13k, False: 0] ------------------ 2368| 3.13k| context->serial_context = create_thread_context(context, 0); 2369| 3.13k| } 2370| 0| else if (context->blocksize != context->serial_context->tmp_blocksize) { ------------------ | Branch (2370:14): [True: 0, False: 0] ------------------ 2371| 0| free_thread_context(context->serial_context); 2372| 0| context->serial_context = create_thread_context(context, 0); 2373| 0| } 2374| 3.13k| BLOSC_ERROR_NULL(context->serial_context, BLOSC2_ERROR_THREAD_CREATE); ------------------ | | 104| 3.13k| do { \ | | 105| 3.13k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 3.13k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 3.13k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 3.13k] | | ------------------ ------------------ 2375| 3.13k| ntbytes = serial_blosc(context->serial_context); 2376| 3.13k| } 2377| 0| else { 2378| 0| ntbytes = parallel_blosc(context); 2379| 0| } 2380| | 2381| 3.13k| return ntbytes; 2382| 3.13k|} blosc2.c:serial_blosc: 2166| 3.13k|static int serial_blosc(struct thread_context* thread_context) { 2167| 3.13k| blosc2_context* context = thread_context->parent_context; 2168| 3.13k| bool vlblocks = (context->blosc2_flags2 & BLOSC2_VL_BLOCKS) != 0; 2169| 3.13k| int32_t j, bsize, leftoverblock; 2170| 3.13k| int32_t cbytes; 2171| 3.13k| int32_t ntbytes = context->output_bytes; 2172| 3.13k| int32_t* bstarts = context->bstarts; 2173| 3.13k| uint8_t* tmp = thread_context->tmp; 2174| 3.13k| uint8_t* tmp2 = thread_context->tmp2; 2175| 3.13k| int dict_training = context->use_dict && (context->dict_cdict == NULL); ------------------ | Branch (2175:23): [True: 932, False: 2.20k] | Branch (2175:44): [True: 932, False: 0] ------------------ 2176| 3.13k| bool memcpyed = context->header_flags & (uint8_t)BLOSC_MEMCPYED; 2177| 3.13k| if (!context->do_compress && context->special_type) { ------------------ | Branch (2177:7): [True: 3.13k, False: 0] | Branch (2177:32): [True: 24, False: 3.11k] ------------------ 2178| | // Fake a runlen as if it was a memcpyed chunk 2179| 24| memcpyed = true; 2180| 24| } 2181| | 2182| 140k| for (j = 0; j < context->nblocks; j++) { ------------------ | Branch (2182:15): [True: 140k, False: 159] ------------------ 2183| 140k| if (context->do_compress && !memcpyed && !dict_training) { ------------------ | Branch (2183:9): [True: 0, False: 140k] | Branch (2183:33): [True: 0, False: 0] | Branch (2183:46): [True: 0, False: 0] ------------------ 2184| 0| _sw32(bstarts + j, ntbytes); 2185| 0| } 2186| 140k| bsize = vlblocks ? context->blocknbytes[j] : context->blocksize; ------------------ | Branch (2186:13): [True: 0, False: 140k] ------------------ 2187| 140k| leftoverblock = 0; 2188| 140k| if (!vlblocks && (j == context->nblocks - 1) && (context->leftover > 0)) { ------------------ | Branch (2188:9): [True: 140k, False: 0] | Branch (2188:22): [True: 1.43k, False: 139k] | Branch (2188:53): [True: 189, False: 1.24k] ------------------ 2189| 189| bsize = context->leftover; 2190| 189| leftoverblock = 1; 2191| 189| } 2192| 140k| if (context->do_compress) { ------------------ | Branch (2192:9): [True: 0, False: 140k] ------------------ 2193| 0| if (memcpyed && !context->prefilter) { ------------------ | Branch (2193:11): [True: 0, False: 0] | Branch (2193:23): [True: 0, False: 0] ------------------ 2194| | /* We want to memcpy only */ 2195| 0| memcpy(context->dest + context->header_overhead + j * context->blocksize, 2196| 0| context->src + j * context->blocksize, (unsigned int)bsize); 2197| 0| cbytes = (int32_t)bsize; 2198| 0| } 2199| 0| else { 2200| | /* Regular compression */ 2201| 0| cbytes = blosc_c(thread_context, bsize, leftoverblock, ntbytes, 2202| 0| context->destsize, 2203| 0| vlblocks ? context->vlblock_sources[j] : context->src, ------------------ | Branch (2203:26): [True: 0, False: 0] ------------------ 2204| 0| vlblocks ? 0 : j * context->blocksize, ------------------ | Branch (2204:26): [True: 0, False: 0] ------------------ 2205| 0| context->dest + ntbytes, tmp, tmp2); 2206| 0| if (cbytes == 0) { ------------------ | Branch (2206:13): [True: 0, False: 0] ------------------ 2207| 0| ntbytes = 0; /* incompressible data */ 2208| 0| break; 2209| 0| } 2210| 0| } 2211| 0| } 2212| 140k| else { 2213| | /* Regular decompression */ 2214| | // If memcpyed we don't have a bstarts section (because it is not needed) 2215| 140k| int32_t src_offset = memcpyed ? ------------------ | Branch (2215:28): [True: 131k, False: 8.72k] ------------------ 2216| 131k| context->header_overhead + j * context->blocksize : sw32_(bstarts + j); 2217| 140k| uint8_t *dest_block = (vlblocks && context->vlblock_dests != NULL) ? context->vlblock_dests[j] : context->dest; ------------------ | Branch (2217:30): [True: 0, False: 140k] | Branch (2217:42): [True: 0, False: 0] ------------------ 2218| 140k| int32_t dest_offset = (vlblocks && context->vlblock_dests != NULL) ? 0 : ------------------ | Branch (2218:30): [True: 0, False: 140k] | Branch (2218:42): [True: 0, False: 0] ------------------ 2219| 140k| (vlblocks ? context->blockoffsets[j] : j * context->blocksize); ------------------ | Branch (2219:30): [True: 0, False: 140k] ------------------ 2220| 140k| cbytes = blosc_d(thread_context, bsize, leftoverblock, memcpyed, 2221| 140k| context->src, context->srcsize, src_offset, j, 2222| 140k| dest_block, dest_offset, tmp, tmp2); 2223| 140k| } 2224| | 2225| 140k| if (cbytes < 0) { ------------------ | Branch (2225:9): [True: 2.97k, False: 137k] ------------------ 2226| 2.97k| ntbytes = cbytes; /* error in blosc_c or blosc_d */ 2227| 2.97k| break; 2228| 2.97k| } 2229| 137k| ntbytes += cbytes; 2230| 137k| } 2231| | 2232| 3.13k| return ntbytes; 2233| 3.13k|} blosc2.c:set_nans: 1610| 395|static int32_t set_nans(int32_t typesize, uint8_t* dest, int32_t destsize) { 1611| 395| if (destsize % typesize != 0) { ------------------ | Branch (1611:7): [True: 1, False: 394] ------------------ 1612| 1| BLOSC_TRACE_ERROR("destsize can only be a multiple of typesize"); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1613| 1| BLOSC_ERROR(BLOSC2_ERROR_FAILURE); ------------------ | | 111| 1| do { \ | | 112| 1| int rc_ = (rc); \ | | 113| 1| if (rc_ < BLOSC2_ERROR_SUCCESS) { \ | | ------------------ | | | Branch (113:13): [True: 1, False: 0] | | ------------------ | | 114| 1| char *error_msg = print_error(rc_); \ | | 115| 1| BLOSC_TRACE_ERROR("%s", error_msg); \ | | ------------------ | | | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 1| do { \ | | | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 1| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 1, False: 0] | | | | | | ------------------ | | | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 116| 1| return rc_; \ | | 117| 1| } \ | | 118| 1| } while (0) | | ------------------ | | | Branch (118:14): [Folded, False: 0] | | ------------------ ------------------ 1614| 1| } 1615| 394| int32_t nitems = destsize / typesize; 1616| 394| if (nitems == 0) { ------------------ | Branch (1616:7): [True: 0, False: 394] ------------------ 1617| 0| return 0; 1618| 0| } 1619| | 1620| 394| if (typesize == 4) { ------------------ | Branch (1620:7): [True: 305, False: 89] ------------------ 1621| 305| float* dest_ = (float*)dest; 1622| 305| float val = nanf(""); 1623| 2.71k| for (int i = 0; i < nitems; i++) { ------------------ | Branch (1623:21): [True: 2.40k, False: 305] ------------------ 1624| 2.40k| dest_[i] = val; 1625| 2.40k| } 1626| 305| return nitems; 1627| 305| } 1628| 89| else if (typesize == 8) { ------------------ | Branch (1628:12): [True: 85, False: 4] ------------------ 1629| 85| double* dest_ = (double*)dest; 1630| 85| double val = nan(""); 1631| 446| for (int i = 0; i < nitems; i++) { ------------------ | Branch (1631:21): [True: 361, False: 85] ------------------ 1632| 361| dest_[i] = val; 1633| 361| } 1634| 85| return nitems; 1635| 85| } 1636| | 1637| 4| BLOSC_TRACE_ERROR("Unsupported typesize for NaN"); ------------------ | | 93| 4|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 4| do { \ | | | | 98| 4| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 4| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 4, False: 0] | | | | ------------------ | | | | 100| 4| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1638| 4| return BLOSC2_ERROR_DATA; 1639| 394|} blosc2.c:my_malloc: 243| 9.46k|static uint8_t* my_malloc(size_t size) { 244| 9.46k| void* block = NULL; 245| 9.46k| int res = 0; 246| | /* Keep aligned allocations valid under Valgrind and POSIX wrappers. */ 247| 9.46k| if (size == 0) { ------------------ | Branch (247:7): [True: 0, False: 9.46k] ------------------ 248| 0| size = 1; 249| 0| } 250| | 251| |/* Do an alignment to 32 bytes because AVX2 is supported */ 252| |#if defined(_WIN32) 253| | /* A (void *) cast needed for avoiding a warning with MINGW :-/ */ 254| | block = (void *)_aligned_malloc(size, 32); 255| |#elif _POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600 256| | /* Platform does have an implementation of posix_memalign */ 257| 9.46k| res = posix_memalign(&block, 32, size); 258| |#else 259| | block = malloc(size); 260| |#endif /* _WIN32 */ 261| | 262| 9.46k| if (block == NULL || res != 0) { ------------------ | Branch (262:7): [True: 0, False: 9.46k] | Branch (262:24): [True: 0, False: 9.46k] ------------------ 263| 0| BLOSC_TRACE_ERROR("Error allocating memory!"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 264| 0| return NULL; 265| 0| } 266| | 267| 9.46k| return (uint8_t*)block; 268| 9.46k|} blosc2.c:blosc_d: 1717| 140k| int32_t nblock, uint8_t* dest, int32_t dest_offset, uint8_t* tmp, uint8_t* tmp2) { 1718| 140k| blosc2_context* context = thread_context->parent_context; 1719| 140k| uint8_t* filters = context->filters; 1720| 140k| uint8_t *tmp3 = thread_context->tmp4; 1721| 140k| bool vlblocks = (context->blosc2_flags2 & BLOSC2_VL_BLOCKS) != 0; 1722| 140k| int32_t compformat = (context->header_flags & (uint8_t)0xe0) >> 5u; 1723| 140k| int dont_split = (context->header_flags & 0x10) >> 4; 1724| 140k| int32_t chunk_nbytes; 1725| 140k| int32_t chunk_cbytes; 1726| 140k| int nstreams; 1727| 140k| int32_t neblock; 1728| 140k| int32_t nbytes; /* number of decompressed bytes in split */ 1729| 140k| int32_t cbytes; /* number of compressed bytes in split */ 1730| | // int32_t ctbytes = 0; /* number of compressed bytes in block */ 1731| 140k| int32_t ntbytes = 0; /* number of uncompressed bytes in block */ 1732| 140k| uint8_t* _dest; 1733| 140k| int32_t typesize = context->typesize; 1734| 140k| bool instr_codec = context->blosc2_flags & BLOSC2_INSTR_CODEC; 1735| 140k| const char* compname; 1736| 140k| int rc; 1737| | 1738| 140k| if (context->block_maskout != NULL && context->block_maskout[nblock]) { ------------------ | Branch (1738:7): [True: 0, False: 140k] | Branch (1738:41): [True: 0, False: 0] ------------------ 1739| | // Do not decompress, but act as if we successfully decompressed everything 1740| 0| return bsize; 1741| 0| } 1742| | 1743| 140k| rc = blosc2_cbuffer_sizes(src, &chunk_nbytes, &chunk_cbytes, NULL); 1744| 140k| if (rc < 0) { ------------------ | Branch (1744:7): [True: 0, False: 140k] ------------------ 1745| 0| return rc; 1746| 0| } 1747| 140k| if (context->special_type == BLOSC2_SPECIAL_VALUE) { ------------------ | Branch (1747:7): [True: 0, False: 140k] ------------------ 1748| | // We need the actual typesize in this case, but it cannot be encoded in the header, so derive it from cbytes 1749| 0| typesize = chunk_cbytes - context->header_overhead; 1750| 0| } 1751| | 1752| | // In some situations (lazychunks) the context can arrive uninitialized 1753| | // (but BITSHUFFLE needs it for accessing the format of the chunk) 1754| 140k| if (context->src == NULL) { ------------------ | Branch (1754:7): [True: 0, False: 140k] ------------------ 1755| 0| context->src = src; 1756| 0| } 1757| | 1758| | // Chunks with special values cannot be lazy 1759| 140k| bool is_lazy = ((context->header_overhead == BLOSC_EXTENDED_HEADER_LENGTH) && ------------------ | Branch (1759:19): [True: 138k, False: 1.89k] ------------------ 1760| 138k| (context->blosc2_flags & 0x08u) && !context->special_type); ------------------ | Branch (1760:11): [True: 27, False: 138k] | Branch (1760:46): [True: 0, False: 27] ------------------ 1761| 140k| if (is_lazy) { ------------------ | Branch (1761:7): [True: 0, False: 140k] ------------------ 1762| | // The chunk is on disk, so just lazily load the block 1763| 0| if (context->schunk == NULL) { ------------------ | Branch (1763:9): [True: 0, False: 0] ------------------ 1764| 0| BLOSC_TRACE_ERROR("Lazy chunk needs an associated super-chunk."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1765| 0| return BLOSC2_ERROR_INVALID_PARAM; 1766| 0| } 1767| 0| if (context->schunk->frame == NULL) { ------------------ | Branch (1767:9): [True: 0, False: 0] ------------------ 1768| 0| BLOSC_TRACE_ERROR("Lazy chunk needs an associated frame."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1769| 0| return BLOSC2_ERROR_INVALID_PARAM; 1770| 0| } 1771| 0| blosc2_frame_s* frame = (blosc2_frame_s*)context->schunk->frame; 1772| 0| char* urlpath = frame->urlpath; 1773| 0| size_t bstarts_nbytes; 1774| 0| size_t trailer_offset; 1775| 0| size_t block_csizes_nbytes; 1776| 0| size_t trailer_meta_nbytes; 1777| 0| size_t lazy_trailer_end; 1778| 0| if (srcsize < 0 || context->nblocks < 0 || ------------------ | Branch (1778:9): [True: 0, False: 0] | Branch (1778:24): [True: 0, False: 0] ------------------ 1779| 0| !checked_mul_size((size_t)context->nblocks, sizeof(int32_t), &bstarts_nbytes) || ------------------ | Branch (1779:9): [True: 0, False: 0] ------------------ 1780| 0| !checked_add_size((size_t)BLOSC_EXTENDED_HEADER_LENGTH, bstarts_nbytes, &trailer_offset) || ------------------ | Branch (1780:9): [True: 0, False: 0] ------------------ 1781| 0| !checked_mul_size((size_t)context->nblocks, sizeof(int32_t), &block_csizes_nbytes) || ------------------ | Branch (1781:9): [True: 0, False: 0] ------------------ 1782| 0| !checked_add_size(sizeof(int32_t) + sizeof(int64_t), block_csizes_nbytes, &trailer_meta_nbytes) || ------------------ | Branch (1782:9): [True: 0, False: 0] ------------------ 1783| 0| !checked_add_size(trailer_offset, trailer_meta_nbytes, &lazy_trailer_end) || ------------------ | Branch (1783:9): [True: 0, False: 0] ------------------ 1784| 0| (size_t)srcsize < lazy_trailer_end) { ------------------ | Branch (1784:9): [True: 0, False: 0] ------------------ 1785| 0| BLOSC_TRACE_ERROR("Lazy trailer exceeds source buffer."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1786| 0| return BLOSC2_ERROR_READ_BUFFER; 1787| 0| } 1788| 0| int32_t nchunk; 1789| 0| int64_t chunk_offset; 1790| | // The nchunk and the offset of the current chunk are in the trailer 1791| 0| memcpy(&nchunk, src + trailer_offset, sizeof(nchunk)); 1792| 0| memcpy(&chunk_offset, src + trailer_offset + sizeof(int32_t), sizeof(chunk_offset)); 1793| | // Get the csize of the nblock 1794| 0| if (nblock < 0 || nblock >= context->nblocks) { ------------------ | Branch (1794:9): [True: 0, False: 0] | Branch (1794:23): [True: 0, False: 0] ------------------ 1795| 0| BLOSC_TRACE_ERROR("Invalid block index in lazy trailer."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1796| 0| return BLOSC2_ERROR_INVALID_HEADER; 1797| 0| } 1798| 0| int32_t *block_csizes = (int32_t *)(src + trailer_offset + sizeof(int32_t) + sizeof(int64_t)); 1799| 0| int32_t block_csize = block_csizes[nblock]; 1800| 0| int32_t max_lazy_block_csize = context->blocksize + context->typesize * (signed)sizeof(int32_t); 1801| 0| if (block_csize <= 0 || block_csize > max_lazy_block_csize) { ------------------ | Branch (1801:9): [True: 0, False: 0] | Branch (1801:29): [True: 0, False: 0] ------------------ 1802| 0| BLOSC_TRACE_ERROR("Invalid lazy block size in trailer."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1803| 0| return BLOSC2_ERROR_INVALID_HEADER; 1804| 0| } 1805| 0| if (vlblocks && block_csize <= (int32_t)sizeof(int32_t)) { ------------------ | Branch (1805:9): [True: 0, False: 0] | Branch (1805:21): [True: 0, False: 0] ------------------ 1806| 0| BLOSC_TRACE_ERROR("Lazy VL block compressed size is too small."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1807| 0| return BLOSC2_ERROR_INVALID_HEADER; 1808| 0| } 1809| | // Read the lazy block on disk 1810| 0| void* fp = NULL; 1811| 0| blosc2_io_cb *io_cb = blosc2_get_io_cb(context->schunk->storage->io->id); 1812| 0| if (io_cb == NULL) { ------------------ | Branch (1812:9): [True: 0, False: 0] ------------------ 1813| 0| BLOSC_TRACE_ERROR("Error getting the input/output API"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1814| 0| return BLOSC2_ERROR_PLUGIN_IO; 1815| 0| } 1816| | 1817| 0| int64_t io_pos = 0; 1818| 0| if (frame->sframe) { ------------------ | Branch (1818:9): [True: 0, False: 0] ------------------ 1819| | // The chunk is not in the frame 1820| 0| fp = sframe_open_chunk(frame->urlpath, nchunk, "rb", context->schunk->storage->io); 1821| 0| BLOSC_ERROR_NULL(fp, BLOSC2_ERROR_FILE_OPEN); ------------------ | | 104| 0| do { \ | | 105| 0| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 0] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 0| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 0] | | ------------------ ------------------ 1822| | // The offset of the block is src_offset 1823| 0| if (src_offset < 0) { ------------------ | Branch (1823:11): [True: 0, False: 0] ------------------ 1824| 0| io_cb->close(fp); 1825| 0| BLOSC_TRACE_ERROR("Lazy block offset cannot be negative."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1826| 0| return BLOSC2_ERROR_INVALID_HEADER; 1827| 0| } 1828| 0| io_pos = src_offset; 1829| 0| } 1830| 0| else { 1831| 0| fp = io_cb->open(urlpath, "rb", context->schunk->storage->io->params); 1832| 0| BLOSC_ERROR_NULL(fp, BLOSC2_ERROR_FILE_OPEN); ------------------ | | 104| 0| do { \ | | 105| 0| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 0] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 0| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 0] | | ------------------ ------------------ 1833| | // The offset of the block is src_offset 1834| 0| if (src_offset < 0) { ------------------ | Branch (1834:11): [True: 0, False: 0] ------------------ 1835| 0| io_cb->close(fp); 1836| 0| BLOSC_TRACE_ERROR("Lazy block offset cannot be negative."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1837| 0| return BLOSC2_ERROR_INVALID_HEADER; 1838| 0| } 1839| 0| if (chunk_offset < 0) { ------------------ | Branch (1839:11): [True: 0, False: 0] ------------------ 1840| 0| io_cb->close(fp); 1841| 0| BLOSC_TRACE_ERROR("Lazy chunk offset cannot be negative."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1842| 0| return BLOSC2_ERROR_INVALID_HEADER; 1843| 0| } 1844| 0| if (frame->file_offset > INT64_MAX - chunk_offset) { ------------------ | Branch (1844:11): [True: 0, False: 0] ------------------ 1845| 0| io_cb->close(fp); 1846| 0| BLOSC_TRACE_ERROR("Lazy chunk offset overflows file position."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1847| 0| return BLOSC2_ERROR_INVALID_HEADER; 1848| 0| } 1849| 0| io_pos = frame->file_offset + chunk_offset; 1850| 0| if (io_pos > INT64_MAX - src_offset) { ------------------ | Branch (1850:11): [True: 0, False: 0] ------------------ 1851| 0| io_cb->close(fp); 1852| 0| BLOSC_TRACE_ERROR("Lazy block offset overflows file position."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1853| 0| return BLOSC2_ERROR_INVALID_HEADER; 1854| 0| } 1855| 0| io_pos += src_offset; 1856| 0| } 1857| | // We can make use of tmp3 because it will be used after src is not needed anymore 1858| 0| int64_t rbytes = io_cb->read((void**)&tmp3, 1, block_csize, io_pos, fp); 1859| 0| io_cb->close(fp); 1860| 0| if ((int32_t)rbytes != block_csize) { ------------------ | Branch (1860:9): [True: 0, False: 0] ------------------ 1861| 0| BLOSC_TRACE_ERROR("Cannot read the (lazy) block out of the fileframe."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1862| 0| return BLOSC2_ERROR_READ_BUFFER; 1863| 0| } 1864| 0| src = tmp3; 1865| 0| src_offset = 0; 1866| 0| srcsize = block_csize; 1867| 0| } 1868| | 1869| | // If the chunk is memcpyed, we just have to copy the block to dest and return 1870| 140k| if (memcpyed) { ------------------ | Branch (1870:7): [True: 131k, False: 8.72k] ------------------ 1871| 131k| int bsize_ = leftoverblock ? chunk_nbytes % context->blocksize : bsize; ------------------ | Branch (1871:18): [True: 10, False: 131k] ------------------ 1872| 131k| if (!context->special_type) { ------------------ | Branch (1872:9): [True: 290, False: 131k] ------------------ 1873| 290| if (chunk_nbytes + context->header_overhead != chunk_cbytes) { ------------------ | Branch (1873:11): [True: 0, False: 290] ------------------ 1874| 0| return BLOSC2_ERROR_WRITE_BUFFER; 1875| 0| } 1876| 290| if (chunk_cbytes < context->header_overhead + (nblock * context->blocksize) + bsize_) { ------------------ | Branch (1876:11): [True: 0, False: 290] ------------------ 1877| | /* Not enough input to copy block */ 1878| 0| return BLOSC2_ERROR_READ_BUFFER; 1879| 0| } 1880| 290| } 1881| 131k| if (!is_lazy) { ------------------ | Branch (1881:9): [True: 131k, False: 0] ------------------ 1882| 131k| src += context->header_overhead + nblock * context->blocksize; 1883| 131k| } 1884| 131k| _dest = dest + dest_offset; 1885| 131k| if (context->postfilter != NULL) { ------------------ | Branch (1885:9): [True: 0, False: 131k] ------------------ 1886| | // We are making use of a postfilter, so use a temp for destination 1887| 0| _dest = tmp; 1888| 0| } 1889| 131k| rc = 0; 1890| 131k| switch (context->special_type) { 1891| 0| case BLOSC2_SPECIAL_VALUE: ------------------ | Branch (1891:7): [True: 0, False: 131k] ------------------ 1892| | // All repeated values 1893| 0| rc = set_values(typesize, context->src, _dest, bsize_); 1894| 0| if (rc < 0) { ------------------ | Branch (1894:13): [True: 0, False: 0] ------------------ 1895| 0| BLOSC_TRACE_ERROR("set_values failed"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1896| 0| return BLOSC2_ERROR_DATA; 1897| 0| } 1898| 0| break; 1899| 395| case BLOSC2_SPECIAL_NAN: ------------------ | Branch (1899:7): [True: 395, False: 131k] ------------------ 1900| 395| rc = set_nans(context->typesize, _dest, bsize_); 1901| 395| if (rc < 0) { ------------------ | Branch (1901:13): [True: 5, False: 390] ------------------ 1902| 5| BLOSC_TRACE_ERROR("set_nans failed"); ------------------ | | 93| 5|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 5| do { \ | | | | 98| 5| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 5| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 5, False: 0] | | | | ------------------ | | | | 100| 5| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1903| 5| return BLOSC2_ERROR_DATA; 1904| 5| } 1905| 390| break; 1906| 390| case BLOSC2_SPECIAL_ZERO: ------------------ | Branch (1906:7): [True: 0, False: 131k] ------------------ 1907| 0| memset(_dest, 0, bsize_); 1908| 0| break; 1909| 131k| case BLOSC2_SPECIAL_UNINIT: ------------------ | Branch (1909:7): [True: 131k, False: 685] ------------------ 1910| | // We do nothing here 1911| 131k| break; 1912| 290| default: ------------------ | Branch (1912:7): [True: 290, False: 131k] ------------------ 1913| 290| memcpy(_dest, src, bsize_); 1914| 131k| } 1915| 131k| if (context->postfilter != NULL) { ------------------ | Branch (1915:9): [True: 0, False: 131k] ------------------ 1916| | // Create new postfilter parameters for this block (must be private for each thread) 1917| 0| blosc2_postfilter_params postparams; 1918| 0| memcpy(&postparams, context->postparams, sizeof(postparams)); 1919| 0| postparams.input = tmp; 1920| 0| postparams.output = dest + dest_offset; 1921| 0| postparams.size = bsize; 1922| 0| postparams.typesize = typesize; 1923| 0| postparams.offset = nblock * context->blocksize; 1924| 0| postparams.nchunk = context->schunk != NULL ? context->schunk->current_nchunk : -1; ------------------ | Branch (1924:27): [True: 0, False: 0] ------------------ 1925| 0| postparams.nblock = nblock; 1926| 0| postparams.tid = thread_context->tid; 1927| 0| postparams.ttmp = thread_context->tmp; 1928| 0| postparams.ttmp_nbytes = thread_context->tmp_nbytes; 1929| 0| postparams.ctx = context; 1930| | 1931| | // Execute the postfilter (the processed block will be copied to dest) 1932| 0| if (context->postfilter(&postparams) != 0) { ------------------ | Branch (1932:11): [True: 0, False: 0] ------------------ 1933| 0| BLOSC_TRACE_ERROR("Execution of postfilter function failed"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 1934| 0| return BLOSC2_ERROR_POSTFILTER; 1935| 0| } 1936| 0| } 1937| 131k| thread_context->zfp_cell_nitems = 0; 1938| | 1939| 131k| return bsize_; 1940| 131k| } 1941| | 1942| 8.72k| if (!is_lazy && (src_offset <= 0 || src_offset >= srcsize)) { ------------------ | Branch (1942:7): [True: 8.72k, False: 0] | Branch (1942:20): [True: 84, False: 8.64k] | Branch (1942:39): [True: 176, False: 8.46k] ------------------ 1943| | /* Invalid block src offset encountered */ 1944| 260| return BLOSC2_ERROR_DATA; 1945| 260| } 1946| | 1947| 8.46k| src += src_offset; 1948| 8.46k| if (vlblocks) { ------------------ | Branch (1948:7): [True: 0, False: 8.46k] ------------------ 1949| 0| if (context->blockcbytes == NULL || nblock >= context->nblocks || ------------------ | Branch (1949:9): [True: 0, False: 0] | Branch (1949:41): [True: 0, False: 0] ------------------ 1950| 0| context->blockcbytes[nblock] <= (int32_t)sizeof(int32_t) || ------------------ | Branch (1950:9): [True: 0, False: 0] ------------------ 1951| 0| src_offset > srcsize - context->blockcbytes[nblock]) { ------------------ | Branch (1951:9): [True: 0, False: 0] ------------------ 1952| 0| return BLOSC2_ERROR_DATA; 1953| 0| } 1954| 0| srcsize = context->blockcbytes[nblock]; 1955| 0| } 1956| 8.46k| else { 1957| 8.46k| srcsize -= src_offset; 1958| 8.46k| } 1959| | 1960| 8.46k| int last_filter_index = last_filter(filters, 'd'); 1961| 8.46k| if (instr_codec) { ------------------ | Branch (1961:7): [True: 928, False: 7.53k] ------------------ 1962| | // If instrumented, we don't want to run the filters 1963| 928| _dest = dest + dest_offset; 1964| 928| } 1965| 7.53k| else if (((last_filter_index >= 0) && ------------------ | Branch (1965:13): [True: 7.17k, False: 364] ------------------ 1966| 7.17k| (next_filter(filters, BLOSC2_MAX_FILTERS, 'd') != BLOSC_DELTA)) || ------------------ | Branch (1966:8): [True: 5.15k, False: 2.01k] ------------------ 1967| 5.15k| context->postfilter != NULL) { ------------------ | Branch (1967:5): [True: 0, False: 2.38k] ------------------ 1968| | // We are making use of some filter, so use a temp for destination 1969| 5.15k| _dest = tmp; 1970| 5.15k| } 1971| 2.38k| else { 1972| | // If no filters, or only DELTA in pipeline 1973| 2.38k| _dest = dest + dest_offset; 1974| 2.38k| } 1975| | 1976| | /* The number of compressed data streams for this block */ 1977| 8.46k| if (vlblocks) { ------------------ | Branch (1977:7): [True: 0, False: 8.46k] ------------------ 1978| 0| nstreams = 1; 1979| 0| } 1980| 8.46k| else if (!dont_split && !leftoverblock) { ------------------ | Branch (1980:12): [True: 2.84k, False: 5.61k] | Branch (1980:27): [True: 2.82k, False: 21] ------------------ 1981| 2.82k| nstreams = context->typesize; 1982| 2.82k| } 1983| 5.63k| else { 1984| 5.63k| nstreams = 1; 1985| 5.63k| } 1986| | 1987| 8.46k| neblock = bsize / nstreams; 1988| 8.46k| if (neblock == 0) { ------------------ | Branch (1988:7): [True: 0, False: 8.46k] ------------------ 1989| | /* Not enough space to output bytes */ 1990| 0| BLOSC_ERROR(BLOSC2_ERROR_WRITE_BUFFER); ------------------ | | 111| 0| do { \ | | 112| 0| int rc_ = (rc); \ | | 113| 0| if (rc_ < BLOSC2_ERROR_SUCCESS) { \ | | ------------------ | | | Branch (113:13): [True: 0, False: 0] | | ------------------ | | 114| 0| char *error_msg = print_error(rc_); \ | | 115| 0| BLOSC_TRACE_ERROR("%s", error_msg); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 116| 0| return rc_; \ | | 117| 0| } \ | | 118| 0| } while (0) | | ------------------ | | | Branch (118:14): [Folded, False: 0] | | ------------------ ------------------ 1991| 0| } 1992| 14.5k| for (int j = 0; j < nstreams; j++) { ------------------ | Branch (1992:19): [True: 8.75k, False: 5.81k] ------------------ 1993| 8.75k| if (vlblocks) { ------------------ | Branch (1993:9): [True: 0, False: 8.75k] ------------------ 1994| 0| if (srcsize < (signed)sizeof(int32_t)) { ------------------ | Branch (1994:11): [True: 0, False: 0] ------------------ 1995| | /* Not enough input to read compressed bytes */ 1996| 0| return BLOSC2_ERROR_READ_BUFFER; 1997| 0| } 1998| 0| neblock = sw32_(src); 1999| 0| if (neblock != bsize) { ------------------ | Branch (1999:11): [True: 0, False: 0] ------------------ 2000| 0| return BLOSC2_ERROR_DATA; 2001| 0| } 2002| 0| src += sizeof(int32_t); 2003| 0| cbytes = srcsize - (int32_t)sizeof(int32_t); 2004| 0| srcsize = 0; 2005| 0| } 2006| 8.75k| else { 2007| 8.75k| if (srcsize < (signed)sizeof(int32_t)) { ------------------ | Branch (2007:11): [True: 1, False: 8.75k] ------------------ 2008| | /* Not enough input to read compressed size */ 2009| 1| return BLOSC2_ERROR_READ_BUFFER; 2010| 1| } 2011| 8.75k| srcsize -= sizeof(int32_t); 2012| 8.75k| cbytes = sw32_(src); /* amount of compressed bytes */ 2013| 8.75k| if (cbytes > 0) { ------------------ | Branch (2013:11): [True: 7.45k, False: 1.30k] ------------------ 2014| 7.45k| if (srcsize < cbytes) { ------------------ | Branch (2014:13): [True: 40, False: 7.41k] ------------------ 2015| | /* Not enough input to read compressed bytes */ 2016| 40| return BLOSC2_ERROR_READ_BUFFER; 2017| 40| } 2018| 7.41k| srcsize -= cbytes; 2019| 7.41k| } 2020| 8.71k| src += sizeof(int32_t); 2021| 8.71k| } 2022| | // ctbytes += (signed)sizeof(int32_t); 2023| | 2024| | /* Uncompress */ 2025| 8.71k| if (!vlblocks && cbytes == 0) { ------------------ | Branch (2025:9): [True: 8.71k, False: 0] | Branch (2025:22): [True: 1.00k, False: 7.71k] ------------------ 2026| | // A run of 0's 2027| 1.00k| memset(_dest, 0, (unsigned int)neblock); 2028| 1.00k| nbytes = neblock; 2029| 1.00k| } 2030| 7.71k| else if (!vlblocks && cbytes < 0) { ------------------ | Branch (2030:14): [True: 7.71k, False: 0] | Branch (2030:27): [True: 305, False: 7.41k] ------------------ 2031| | // A negative number means some encoding depending on the token that comes next 2032| 305| uint8_t token; 2033| | 2034| 305| if (srcsize < (signed)sizeof(uint8_t)) { ------------------ | Branch (2034:11): [True: 0, False: 305] ------------------ 2035| | // Not enough input to read token */ 2036| 0| return BLOSC2_ERROR_READ_BUFFER; 2037| 0| } 2038| 305| srcsize -= sizeof(uint8_t); 2039| | 2040| 305| token = src[0]; 2041| 305| src += 1; 2042| | // ctbytes += 1; 2043| | 2044| 305| if (token & 0x1) { ------------------ | Branch (2044:11): [True: 294, False: 11] ------------------ 2045| | // A run of bytes that are different than 0 2046| 294| if (cbytes < -255) { ------------------ | Branch (2046:13): [True: 9, False: 285] ------------------ 2047| | // Runs can only encode a byte 2048| 9| return BLOSC2_ERROR_RUN_LENGTH; 2049| 9| } 2050| 285| uint8_t value = -cbytes; 2051| 285| memset(_dest, value, (unsigned int)neblock); 2052| 285| } else { 2053| 11| BLOSC_TRACE_ERROR("Invalid or unsupported compressed stream token value - %d", token); ------------------ | | 93| 11|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 11| do { \ | | | | 98| 11| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 11| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 11, False: 0] | | | | ------------------ | | | | 100| 11| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2054| 11| return BLOSC2_ERROR_RUN_LENGTH; 2055| 11| } 2056| 285| nbytes = neblock; 2057| 285| cbytes = 0; // everything is encoded in the cbytes token 2058| 285| } 2059| 7.41k| else if (cbytes == neblock) { ------------------ | Branch (2059:14): [True: 2.47k, False: 4.93k] ------------------ 2060| 2.47k| memcpy(_dest, src, (unsigned int)neblock); 2061| 2.47k| nbytes = (int32_t)neblock; 2062| 2.47k| } 2063| 4.93k| else { 2064| 4.93k| if (compformat == BLOSC_BLOSCLZ_FORMAT) { ------------------ | Branch (2064:11): [True: 396, False: 4.53k] ------------------ 2065| 396| nbytes = blosclz_decompress(src, cbytes, _dest, (int)neblock); 2066| 396| } 2067| 4.53k| else if (compformat == BLOSC_LZ4_FORMAT) { ------------------ | Branch (2067:16): [True: 394, False: 4.14k] ------------------ 2068| 394| nbytes = lz4_wrap_decompress((char*)src, (size_t)cbytes, 2069| 394| (char*)_dest, (size_t)neblock, 2070| 394| thread_context); 2071| 394| } 2072| 4.14k| #if defined(HAVE_ZLIB) 2073| 4.14k| else if (compformat == BLOSC_ZLIB_FORMAT) { ------------------ | Branch (2073:16): [True: 395, False: 3.74k] ------------------ 2074| 395| nbytes = zlib_wrap_decompress((char*)src, (size_t)cbytes, 2075| 395| (char*)_dest, (size_t)neblock); 2076| 395| } 2077| 3.74k| #endif /* HAVE_ZLIB */ 2078| 3.74k| #if defined(HAVE_ZSTD) 2079| 3.74k| else if (compformat == BLOSC_ZSTD_FORMAT) { ------------------ | Branch (2079:16): [True: 2.82k, False: 926] ------------------ 2080| 2.82k| nbytes = zstd_wrap_decompress(thread_context, 2081| 2.82k| (char*)src, (size_t)cbytes, 2082| 2.82k| (char*)_dest, (size_t)neblock); 2083| 2.82k| } 2084| 926| #endif /* HAVE_ZSTD */ 2085| 926| else if (compformat == BLOSC_UDCODEC_FORMAT) { ------------------ | Branch (2085:16): [True: 923, False: 3] ------------------ 2086| 923| bool getcell = false; 2087| | 2088| 923|#if defined(HAVE_ZFP) 2089| 923| if ((context->compcode == BLOSC_CODEC_ZFP_FIXED_RATE) && ------------------ | Branch (2089:13): [True: 0, False: 923] ------------------ 2090| 0| (thread_context->zfp_cell_nitems > 0)) { ------------------ | Branch (2090:13): [True: 0, False: 0] ------------------ 2091| 0| nbytes = zfp_getcell(thread_context, src, cbytes, _dest, neblock); 2092| 0| if (nbytes < 0) { ------------------ | Branch (2092:15): [True: 0, False: 0] ------------------ 2093| 0| return BLOSC2_ERROR_DATA; 2094| 0| } 2095| 0| if (nbytes == thread_context->zfp_cell_nitems * typesize) { ------------------ | Branch (2095:15): [True: 0, False: 0] ------------------ 2096| 0| getcell = true; 2097| 0| } 2098| 0| } 2099| 923|#endif /* HAVE_ZFP */ 2100| 923| if (!getcell) { ------------------ | Branch (2100:13): [True: 923, False: 0] ------------------ 2101| 923| thread_context->zfp_cell_nitems = 0; 2102| 977| for (int i = 0; i < g_ncodecs; ++i) { ------------------ | Branch (2102:27): [True: 971, False: 6] ------------------ 2103| 971| if (g_codecs[i].compcode == context->compcode) { ------------------ | Branch (2103:17): [True: 917, False: 54] ------------------ 2104| 917| if (g_codecs[i].decoder == NULL) { ------------------ | Branch (2104:19): [True: 0, False: 917] ------------------ 2105| | // Dynamically load codec plugin 2106| 0| if (fill_codec(&g_codecs[i]) < 0) { ------------------ | Branch (2106:21): [True: 0, False: 0] ------------------ 2107| 0| BLOSC_TRACE_ERROR("Could not load codec %d.", g_codecs[i].compcode); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2108| 0| return BLOSC2_ERROR_CODEC_SUPPORT; 2109| 0| } 2110| 0| } 2111| 917| blosc2_dparams dparams; 2112| 917| blosc2_ctx_get_dparams(context, &dparams); 2113| 917| nbytes = g_codecs[i].decoder(src, 2114| 917| cbytes, 2115| 917| _dest, 2116| 917| neblock, 2117| 917| context->compcode_meta, 2118| 917| &dparams, 2119| 917| context->src); 2120| 917| goto urcodecsuccess; 2121| 917| } 2122| 971| } 2123| 6| BLOSC_TRACE_ERROR("User-defined compressor codec %d not found during decompression", context->compcode); ------------------ | | 93| 6|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 6| do { \ | | | | 98| 6| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 6| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 6, False: 0] | | | | ------------------ | | | | 100| 6| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2124| 6| return BLOSC2_ERROR_CODEC_SUPPORT; 2125| 923| } 2126| 917| urcodecsuccess: 2127| 917| ; 2128| 917| } 2129| 3| else { 2130| 3| compname = clibcode_to_clibname(compformat); 2131| 3| BLOSC_TRACE_ERROR( ------------------ | | 93| 3|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 3| do { \ | | | | 98| 3| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 3| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 3, False: 0] | | | | ------------------ | | | | 100| 3| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2132| 3| "Blosc has not been compiled with decompression " 2133| 3| "support for '%s' format. " 2134| 3| "Please recompile for adding this support.", compname); 2135| 3| return BLOSC2_ERROR_CODEC_SUPPORT; 2136| 3| } 2137| | 2138| | /* Check that decompressed bytes number is correct */ 2139| 4.92k| if ((nbytes != neblock) && (thread_context->zfp_cell_nitems == 0)) { ------------------ | Branch (2139:11): [True: 2.58k, False: 2.33k] | Branch (2139:34): [True: 2.58k, False: 0] ------------------ 2140| 2.58k| return BLOSC2_ERROR_DATA; 2141| 2.58k| } 2142| | 2143| 4.92k| } 2144| 6.10k| src += cbytes; 2145| | // ctbytes += cbytes; 2146| 6.10k| _dest += nbytes; 2147| 6.10k| ntbytes += nbytes; 2148| 6.10k| } /* Closes j < nstreams */ 2149| | 2150| 5.81k| if (!instr_codec) { ------------------ | Branch (2150:7): [True: 5.00k, False: 803] ------------------ 2151| 5.00k| if (last_filter_index >= 0 || context->postfilter != NULL) { ------------------ | Branch (2151:9): [True: 4.78k, False: 219] | Branch (2151:35): [True: 0, False: 219] ------------------ 2152| | /* Apply regular filter pipeline */ 2153| 4.78k| int errcode = pipeline_backward(thread_context, bsize, dest, dest_offset, tmp, tmp2, tmp3, 2154| 4.78k| last_filter_index, nblock); 2155| 4.78k| if (errcode < 0) ------------------ | Branch (2155:11): [True: 57, False: 4.73k] ------------------ 2156| 57| return errcode; 2157| 4.78k| } 2158| 5.00k| } 2159| | 2160| | /* Return the number of uncompressed bytes */ 2161| 5.75k| return (int)ntbytes; 2162| 5.81k|} blosc2.c:lz4_wrap_decompress: 501| 394| struct thread_context* thread_context) { 502| 394| int nbytes; 503| 394| blosc2_context* context = thread_context->parent_context; 504| 394| if (context->use_dict && context->dict_buffer != NULL && context->dict_size > 0) { ------------------ | Branch (504:7): [True: 111, False: 283] | Branch (504:28): [True: 111, False: 0] | Branch (504:60): [True: 111, False: 0] ------------------ 505| 111| nbytes = LZ4_decompress_safe_usingDict(input, output, 506| 111| (int)compressed_length, (int)maxout, 507| 111| (const char*)context->dict_buffer, 508| 111| (int)context->dict_size); 509| 283| } else { 510| 283| nbytes = LZ4_decompress_safe(input, output, (int)compressed_length, (int)maxout); 511| 283| } 512| 394| if (nbytes != (int)maxout) { ------------------ | Branch (512:7): [True: 272, False: 122] ------------------ 513| 272| return 0; 514| 272| } 515| 122| return (int)maxout; 516| 394|} blosc2.c:zlib_wrap_decompress: 540| 395| char* output, size_t maxout) { 541| 395| int status; 542| 395|#if defined(HAVE_ZLIB_NG) && ! defined(ZLIB_COMPAT) 543| 395| size_t ul = maxout; 544| 395| status = zng_uncompress( 545| 395| (uint8_t*)output, &ul, (uint8_t*)input, compressed_length); 546| |#else 547| | uLongf ul = (uLongf)maxout; 548| | status = uncompress( 549| | (Bytef*)output, &ul, (Bytef*)input, (uLong)compressed_length); 550| |#endif 551| 395| if (status != Z_OK) { ------------------ | | 180| 395|#define Z_OK 0 ------------------ | Branch (551:7): [True: 395, False: 0] ------------------ 552| 395| return 0; 553| 395| } 554| 0| return (int)ul; 555| 395|} blosc2.c:zstd_wrap_decompress: 592| 2.82k| char* output, size_t maxout) { 593| 2.82k| size_t code; 594| 2.82k| blosc2_context* context = thread_context->parent_context; 595| | 596| 2.82k| if (thread_context->zstd_dctx == NULL) { ------------------ | Branch (596:7): [True: 1.87k, False: 949] ------------------ 597| 1.87k| thread_context->zstd_dctx = ZSTD_createDCtx(); 598| 1.87k| } 599| | 600| 2.82k| if (context->use_dict) { ------------------ | Branch (600:7): [True: 1.03k, False: 1.79k] ------------------ 601| 1.03k| assert(context->dict_ddict != NULL); 602| 1.03k| code = ZSTD_decompress_usingDDict( 603| 1.03k| thread_context->zstd_dctx, (void*)output, maxout, (void*)input, 604| 1.03k| compressed_length, context->dict_ddict); 605| 1.79k| } else { 606| 1.79k| code = ZSTD_decompressDCtx(thread_context->zstd_dctx, 607| 1.79k| (void*)output, maxout, (void*)input, compressed_length); 608| 1.79k| } 609| 2.82k| if (ZSTD_isError(code) != ZSTD_error_no_error) { ------------------ | Branch (609:7): [True: 1.77k, False: 1.04k] ------------------ 610| 1.77k| BLOSC_TRACE_ERROR("Error in ZSTD decompression: '%s'. Giving up.", ------------------ | | 93| 1.77k|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1.77k| do { \ | | | | 98| 1.77k| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1.77k| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1.77k, False: 0] | | | | ------------------ | | | | 100| 1.77k| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 611| 1.77k| ZDICT_getErrorName(code)); 612| 1.77k| return 0; 613| 1.77k| } 614| 1.04k| return (int)code; 615| 2.82k|} blosc2.c:blosc2_initialize_context_from_header: 860| 3.17k|static int blosc2_initialize_context_from_header(blosc2_context* context, blosc_header* header) { 861| 3.17k| context->header_flags = header->flags; 862| 3.17k| context->typesize = header->typesize; 863| 3.17k| context->sourcesize = header->nbytes; 864| 3.17k| context->header_blocksize = header->blocksize; 865| 3.17k| context->blocksize = header->blocksize; 866| 3.17k| context->blosc2_flags2 = header->blosc2_flags2; 867| 3.17k| context->blosc2_flags = header->blosc2_flags; 868| 3.17k| context->compcode = header->flags >> 5; 869| 3.17k| if (context->compcode == BLOSC_UDCODEC_FORMAT) { ------------------ | Branch (869:7): [True: 112, False: 3.06k] ------------------ 870| 112| context->compcode = header->udcompcode; 871| 112| } 872| 3.17k| if (context->blosc2_flags2 & BLOSC2_VL_BLOCKS) { ------------------ | Branch (872:7): [True: 14, False: 3.15k] ------------------ 873| 14| context->nblocks = header->blocksize; 874| 14| context->leftover = 0; 875| 14| context->blocksize = 0; 876| 14| } 877| 3.15k| else { 878| 3.15k| blosc2_calculate_blocks(context); 879| 3.15k| } 880| | 881| 3.17k| bool is_lazy = false; 882| 3.17k| if ((context->header_flags & BLOSC_DOSHUFFLE) && ------------------ | Branch (882:7): [True: 2.04k, False: 1.12k] ------------------ 883| 2.04k| (context->header_flags & BLOSC_DOBITSHUFFLE)) { ------------------ | Branch (883:7): [True: 1.65k, False: 391] ------------------ 884| | /* Extended header */ 885| 1.65k| context->header_overhead = BLOSC_EXTENDED_HEADER_LENGTH; 886| | 887| 1.65k| memcpy(context->filters, header->filters, BLOSC2_MAX_FILTERS); 888| 1.65k| memcpy(context->filters_meta, header->filters_meta, BLOSC2_MAX_FILTERS); 889| 1.65k| context->compcode_meta = header->compcode_meta; 890| | 891| 1.65k| context->filter_flags = filters_to_flags(header->filters); 892| 1.65k| context->special_type = (header->blosc2_flags >> 4) & BLOSC2_SPECIAL_MASK; 893| | 894| 1.65k| is_lazy = (context->blosc2_flags & 0x08u); 895| 1.65k| } 896| 1.51k| else { 897| 1.51k| context->header_overhead = BLOSC_MIN_HEADER_LENGTH; 898| 1.51k| context->filter_flags = get_filter_flags(context->header_flags, context->typesize); 899| 1.51k| flags_to_filters(context->header_flags, context->filters); 900| 1.51k| } 901| | 902| | // Some checks for malformed headers 903| 3.17k| if (!is_lazy && header->cbytes > context->srcsize) { ------------------ | Branch (903:7): [True: 3.16k, False: 9] | Branch (903:19): [True: 0, False: 3.16k] ------------------ 904| 0| return BLOSC2_ERROR_INVALID_HEADER; 905| 0| } 906| | 907| 3.17k| return 0; 908| 3.17k|} blosc2.c:get_filter_flags: 702| 1.51k| const int32_t typesize) { 703| 1.51k| uint8_t flags = 0; 704| | 705| 1.51k| if ((header_flags & BLOSC_DOSHUFFLE) && (typesize > 1)) { ------------------ | Branch (705:7): [True: 391, False: 1.12k] | Branch (705:43): [True: 73, False: 318] ------------------ 706| 73| flags |= BLOSC_DOSHUFFLE; 707| 73| } 708| 1.51k| if (header_flags & BLOSC_DOBITSHUFFLE) { ------------------ | Branch (708:7): [True: 531, False: 987] ------------------ 709| 531| flags |= BLOSC_DOBITSHUFFLE; 710| 531| } 711| 1.51k| if (header_flags & BLOSC_DODELTA) { ------------------ | Branch (711:7): [True: 719, False: 799] ------------------ 712| 719| flags |= BLOSC_DODELTA; 713| 719| } 714| 1.51k| if (header_flags & BLOSC_MEMCPYED) { ------------------ | Branch (714:7): [True: 10, False: 1.50k] ------------------ 715| 10| flags |= BLOSC_MEMCPYED; 716| 10| } 717| 1.51k| return flags; 718| 1.51k|} blosc2.c:create_thread_context: 2269| 3.13k|create_thread_context(blosc2_context* context, int32_t tid) { 2270| 3.13k| struct thread_context* thread_context; 2271| 3.13k| thread_context = (struct thread_context*)my_malloc(sizeof(struct thread_context)); 2272| 3.13k| BLOSC_ERROR_NULL(thread_context, NULL); ------------------ | | 104| 3.13k| do { \ | | 105| 3.13k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 3.13k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 3.13k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 3.13k] | | ------------------ ------------------ 2273| 3.13k| int rc = init_thread_context(thread_context, context, tid); 2274| 3.13k| if (rc < 0) { ------------------ | Branch (2274:7): [True: 0, False: 3.13k] ------------------ 2275| 0| return NULL; 2276| 0| } 2277| 3.13k| return thread_context; 2278| 3.13k|} blosc2.c:init_thread_context: 2239| 3.13k|{ 2240| 3.13k| int32_t ebsize; 2241| | 2242| 3.13k| thread_context->parent_context = context; 2243| 3.13k| thread_context->owner_pool = NULL; 2244| 3.13k| thread_context->tid = tid; 2245| | 2246| 3.13k| int32_t blocksize = context != NULL ? context->blocksize : 0; ------------------ | Branch (2246:23): [True: 3.13k, False: 0] ------------------ 2247| 3.13k| int32_t typesize = context != NULL ? context->typesize : 0; ------------------ | Branch (2247:22): [True: 3.13k, False: 0] ------------------ 2248| 3.13k| ebsize = blocksize + typesize * (signed)sizeof(int32_t); 2249| 3.13k| thread_context->tmp_nbytes = (size_t)4 * ebsize; 2250| 3.13k| thread_context->tmp = my_malloc(thread_context->tmp_nbytes); 2251| 3.13k| BLOSC_ERROR_NULL(thread_context->tmp, BLOSC2_ERROR_MEMORY_ALLOC); ------------------ | | 104| 3.13k| do { \ | | 105| 3.13k| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 3.13k] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 3.13k| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 3.13k] | | ------------------ ------------------ 2252| 3.13k| thread_context->tmp2 = thread_context->tmp + ebsize; 2253| 3.13k| thread_context->tmp3 = thread_context->tmp2 + ebsize; 2254| 3.13k| thread_context->tmp4 = thread_context->tmp3 + ebsize; 2255| 3.13k| thread_context->tmp_blocksize = blocksize; 2256| 3.13k| thread_context->zfp_cell_nitems = 0; 2257| 3.13k| thread_context->zfp_cell_start = 0; 2258| 3.13k| #if defined(HAVE_ZSTD) 2259| 3.13k| thread_context->zstd_cctx = NULL; 2260| 3.13k| thread_context->zstd_dctx = NULL; 2261| 3.13k| #endif 2262| 3.13k| thread_context->lz4_cstream = NULL; 2263| 3.13k| thread_context->lz4hc_cstream = NULL; 2264| | 2265| 3.13k| return 0; 2266| 3.13k|} blosc2.c:clear_context_decompression_dict: 2550| 3.17k|static void clear_context_decompression_dict(blosc2_context* context) { 2551| 3.17k| context->use_dict = 0; 2552| 3.17k| release_context_dict_buffer(context); 2553| 3.17k|#if defined(HAVE_ZSTD) 2554| 3.17k| if (context->dict_ddict != NULL) { ------------------ | Branch (2554:7): [True: 0, False: 3.17k] ------------------ 2555| 0| ZSTD_freeDDict(context->dict_ddict); 2556| 0| context->dict_ddict = NULL; 2557| 0| } 2558| |#else 2559| | context->dict_ddict = NULL; 2560| |#endif 2561| 3.17k|} blosc2.c:checked_mul_size: 152| 3.13k|static inline bool checked_mul_size(size_t a, size_t b, size_t* out) { 153| 3.13k| if (a != 0 && b > SIZE_MAX / a) { ------------------ | Branch (153:7): [True: 3.13k, False: 0] | Branch (153:17): [True: 0, False: 3.13k] ------------------ 154| 0| return false; 155| 0| } 156| 3.13k| *out = a * b; 157| | return true; 158| 3.13k|} blosc2.c:checked_add_size: 160| 3.14k|static inline bool checked_add_size(size_t a, size_t b, size_t* out) { 161| 3.14k| if (a > SIZE_MAX - b) { ------------------ | Branch (161:7): [True: 0, False: 3.14k] ------------------ 162| 0| return false; 163| 0| } 164| 3.14k| *out = a + b; 165| | return true; 166| 3.14k|} blosc2.c:release_thread_backend: 5315| 3.19k|static int release_thread_backend(blosc2_context *context) { 5316| 3.19k| if (context->thread_backend == BLOSC_BACKEND_CALLBACK && context->threads_started > 0) { ------------------ | | 34| 6.39k|#define BLOSC_BACKEND_CALLBACK 2 ------------------ | Branch (5316:7): [True: 0, False: 3.19k] | Branch (5316:60): [True: 0, False: 0] ------------------ 5317| 0| for (int32_t t = 0; t < context->threads_started; t++) { ------------------ | Branch (5317:25): [True: 0, False: 0] ------------------ 5318| 0| destroy_thread_context(context->thread_contexts + t); 5319| 0| } 5320| 0| my_free(context->thread_contexts); 5321| 0| context->thread_contexts = NULL; 5322| 0| blosc2_pthread_mutex_destroy(&context->count_mutex); ------------------ | | 91| 0|#define blosc2_pthread_mutex_destroy(a) pthread_mutex_destroy((a)) ------------------ 5323| 0| blosc2_pthread_mutex_destroy(&context->delta_mutex); ------------------ | | 91| 0|#define blosc2_pthread_mutex_destroy(a) pthread_mutex_destroy((a)) ------------------ 5324| 0| blosc2_pthread_cond_destroy(&context->delta_cv); ------------------ | | 97| 0|#define blosc2_pthread_cond_destroy(a) pthread_cond_destroy((a)) ------------------ 5325| 0| } 5326| |#if defined(_WIN32) 5327| | else if (context->thread_backend == BLOSC_BACKEND_PER_CONTEXT && context->threads_started > 0) { 5328| | /* Signal all workers to exit. */ 5329| | blosc2_pthread_mutex_lock(&context->jobs_mutex); 5330| | context->end_threads = 1; 5331| | blosc2_pthread_cond_broadcast(&context->jobs_ready); 5332| | blosc2_pthread_mutex_unlock(&context->jobs_mutex); 5333| | 5334| | for (int32_t t = 0; t < context->threads_started; t++) { 5335| | blosc2_pthread_join(context->threads[t], NULL); 5336| | } 5337| | my_free(context->threads); 5338| | context->threads = NULL; 5339| | blosc2_pthread_cond_destroy(&context->jobs_done); 5340| | blosc2_pthread_cond_destroy(&context->jobs_ready); 5341| | blosc2_pthread_mutex_destroy(&context->jobs_mutex); 5342| | blosc2_pthread_cond_destroy(&context->delta_cv); 5343| | blosc2_pthread_mutex_destroy(&context->delta_mutex); 5344| | blosc2_pthread_mutex_destroy(&context->count_mutex); 5345| | } 5346| |#endif /* _WIN32 */ 5347| 3.19k| else if (context->thread_backend == BLOSC_BACKEND_SHARED_POOL && context->thread_pool != NULL) { ------------------ | | 33| 6.39k|#define BLOSC_BACKEND_SHARED_POOL 1 ------------------ | Branch (5347:12): [True: 0, False: 3.19k] | Branch (5347:68): [True: 0, False: 0] ------------------ 5348| 0| struct blosc_shared_pool *pool = context->thread_pool; 5349| 0| struct blosc_shared_pool **prev; 5350| 0| bool destroy_pool = false; 5351| | 5352| 0| if (context->pool_epoch != g_destroy_count) { ------------------ | Branch (5352:9): [True: 0, False: 0] ------------------ 5353| | /* blosc2_destroy() already freed this pool and tore down pool_registry_mutex. 5354| | * Just clear the dangling pointer; nothing else to do. */ 5355| 0| context->thread_pool = NULL; 5356| 0| context->threads_started = 0; 5357| 0| context->thread_backend = BLOSC_BACKEND_SERIAL; ------------------ | | 32| 0|#define BLOSC_BACKEND_SERIAL 0 ------------------ 5358| 0| return 0; 5359| 0| } 5360| | 5361| 0| blosc2_pthread_mutex_lock(&pool_registry_mutex); ------------------ | | 92| 0|#define blosc2_pthread_mutex_lock(a) pthread_mutex_lock((a)) ------------------ 5362| 0| pool->context_refs--; 5363| 0| if (pool->context_refs == 0) { ------------------ | Branch (5363:9): [True: 0, False: 0] ------------------ 5364| | /* Check pool-internal state under the pool's own mutex */ 5365| 0| blosc2_pthread_mutex_lock(&pool->mutex); ------------------ | | 92| 0|#define blosc2_pthread_mutex_lock(a) pthread_mutex_lock((a)) ------------------ 5366| 0| bool idle = (pool->active_jobs == 0 && pool->job_queue_head == NULL); ------------------ | Branch (5366:20): [True: 0, False: 0] | Branch (5366:46): [True: 0, False: 0] ------------------ 5367| 0| blosc2_pthread_mutex_unlock(&pool->mutex); ------------------ | | 93| 0|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 5368| 0| if (idle) { ------------------ | Branch (5368:11): [True: 0, False: 0] ------------------ 5369| 0| prev = &shared_pools; 5370| 0| while (*prev != NULL && *prev != pool) { ------------------ | Branch (5370:16): [True: 0, False: 0] | Branch (5370:33): [True: 0, False: 0] ------------------ 5371| 0| prev = &(*prev)->next; 5372| 0| } 5373| 0| if (*prev == pool) { ------------------ | Branch (5373:13): [True: 0, False: 0] ------------------ 5374| 0| *prev = pool->next; 5375| 0| } 5376| 0| destroy_pool = true; 5377| 0| } 5378| 0| } 5379| 0| blosc2_pthread_mutex_unlock(&pool_registry_mutex); ------------------ | | 93| 0|#define blosc2_pthread_mutex_unlock(a) pthread_mutex_unlock((a)) ------------------ 5380| 0| if (destroy_pool) { ------------------ | Branch (5380:9): [True: 0, False: 0] ------------------ 5381| 0| destroy_shared_pool(pool); 5382| 0| } 5383| 0| context->thread_pool = NULL; 5384| 0| } 5385| | 5386| 3.19k| context->threads_started = 0; 5387| 3.19k| context->thread_backend = BLOSC_BACKEND_SERIAL; ------------------ | | 32| 3.19k|#define BLOSC_BACKEND_SERIAL 0 ------------------ 5388| 3.19k| return 0; 5389| 3.19k|} blosc2.c:release_context_dict_buffer: 2540| 6.36k|static void release_context_dict_buffer(blosc2_context* context) { 2541| 6.36k| if (context->dict_buffer_owned && context->dict_buffer != NULL) { ------------------ | Branch (2541:7): [True: 0, False: 6.36k] | Branch (2541:37): [True: 0, False: 0] ------------------ 2542| 0| free(context->dict_buffer); 2543| 0| } 2544| 6.36k| context->dict_buffer = NULL; 2545| | context->dict_buffer_owned = false; 2546| 6.36k| context->dict_size = 0; 2547| 6.36k|} blosclz_decompress: 685| 396|int blosclz_decompress(const void* input, int length, void* output, int maxout) { 686| 396| const uint8_t* ip = (const uint8_t*)input; 687| 396| const uint8_t* ip_limit = ip + length; 688| 396| uint8_t* op = (uint8_t*)output; 689| 396| uint32_t ctrl; 690| 396| uint8_t* op_limit = op + maxout; 691| 396| if (BLOSCLZ_UNLIKELY(length == 0)) { ------------------ | | 35| 396|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 0, False: 396] | | ------------------ ------------------ 692| 0| return 0; 693| 0| } 694| 396| ctrl = (*ip++) & 31U; 695| | 696| 683k| while (1) { ------------------ | Branch (696:10): [True: 683k, Folded] ------------------ 697| 683k| if (ctrl >= 32) { ------------------ | Branch (697:9): [True: 118k, False: 564k] ------------------ 698| | // match 699| 118k| int32_t len = (int32_t)(ctrl >> 5U) - 1 ; 700| 118k| int32_t ofs = (int32_t)(ctrl & 31U) << 8U; 701| 118k| uint8_t code; 702| 118k| const uint8_t* ref = op - ofs; 703| | 704| 118k| if (len == 7 - 1) { ------------------ | Branch (704:11): [True: 31.6k, False: 87.3k] ------------------ 705| 39.3k| do { 706| 39.3k| if (BLOSCLZ_UNLIKELY(ip + 1 >= ip_limit)) { ------------------ | | 35| 39.3k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 0, False: 39.3k] | | ------------------ ------------------ 707| 0| return 0; 708| 0| } 709| 39.3k| code = *ip++; 710| 39.3k| len += code; 711| 39.3k| } while (code == 255); ------------------ | Branch (711:18): [True: 7.67k, False: 31.6k] ------------------ 712| 31.6k| } 713| 87.3k| else { 714| 87.3k| if (BLOSCLZ_UNLIKELY(ip + 1 >= ip_limit)) { ------------------ | | 35| 87.3k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 1, False: 87.3k] | | ------------------ ------------------ 715| 1| return 0; 716| 1| } 717| 87.3k| } 718| 118k| code = *ip++; 719| 118k| len += 3; 720| 118k| ref -= code; 721| | 722| | /* match from 16-bit distance */ 723| 118k| if (BLOSCLZ_UNLIKELY(code == 255)) { ------------------ | | 35| 118k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 8.69k, False: 110k] | | ------------------ ------------------ 724| 8.69k| if (ofs == (31U << 8U)) { ------------------ | Branch (724:13): [True: 626, False: 8.06k] ------------------ 725| 626| if (ip + 1 >= ip_limit) { ------------------ | Branch (725:15): [True: 1, False: 625] ------------------ 726| 1| return 0; 727| 1| } 728| 625| ofs = (*ip++) << 8U; 729| 625| ofs += *ip++; 730| 625| ref = op - ofs - MAX_DISTANCE; ------------------ | | 46| 625|#define MAX_DISTANCE 8191 ------------------ 731| 625| } 732| 8.69k| } 733| | 734| 118k| if (BLOSCLZ_UNLIKELY(op + len > op_limit)) { ------------------ | | 35| 118k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 53, False: 118k] | | ------------------ ------------------ 735| 53| return 0; 736| 53| } 737| | 738| 118k| if (BLOSCLZ_UNLIKELY(ref - 1 < (uint8_t*)output)) { ------------------ | | 35| 118k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 20, False: 118k] | | ------------------ ------------------ 739| 20| return 0; 740| 20| } 741| | 742| 118k| if (BLOSCLZ_UNLIKELY(ip >= ip_limit)) break; ------------------ | | 35| 118k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 0, False: 118k] | | ------------------ ------------------ 743| 118k| ctrl = *ip++; 744| | 745| 118k| ref--; 746| 118k| if (ref == op - 1) { ------------------ | Branch (746:11): [True: 16.5k, False: 102k] ------------------ 747| | /* optimized copy for a run */ 748| 16.5k| memset(op, *ref, len); 749| 16.5k| op += len; 750| 16.5k| } 751| 102k| else if ((op - ref >= 8) && (op_limit - op >= len + 8)) { ------------------ | Branch (751:16): [True: 69.0k, False: 33.2k] | Branch (751:35): [True: 68.7k, False: 269] ------------------ 752| | // copy with an overlap not larger than 8 753| 68.7k| wild_copy(op, ref, op + len); 754| 68.7k| op += len; 755| 68.7k| } 756| 33.5k| else { 757| | // general copy with any overlap 758| |#if 0 && defined(__AVX2__) 759| | if (op - ref <= 16) { 760| | // This is not faster on a combination of compilers (clang, gcc, icc) or machines, but 761| | // it is not too slower either. 762| | op = copy_match_16(op, ref, len); 763| | } 764| | else { 765| |#endif 766| 33.5k| op = copy_match(op, ref, (unsigned) len); 767| |#if 0 && defined(__AVX2__) 768| | } 769| |#endif 770| 33.5k| } 771| 118k| } 772| 564k| else { 773| | // literal 774| 564k| ctrl++; 775| 564k| if (BLOSCLZ_UNLIKELY(op + ctrl > op_limit)) { ------------------ | | 35| 564k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 31, False: 564k] | | ------------------ ------------------ 776| 31| return 0; 777| 31| } 778| 564k| if (BLOSCLZ_UNLIKELY(ip + ctrl > ip_limit)) { ------------------ | | 35| 564k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 4, False: 564k] | | ------------------ ------------------ 779| 4| return 0; 780| 4| } 781| | 782| 564k| memcpy(op, ip, ctrl); op += ctrl; ip += ctrl; 783| | // On GCC-6, fastcopy this is still faster than plain memcpy 784| | // However, using recent CLANG/LLVM 9.0, there is almost no difference 785| | // in performance. 786| | // And starting on CLANG/LLVM 10 and GCC 9, memcpy is generally faster. 787| | // op = fastcopy(op, ip, (unsigned) ctrl); ip += ctrl; 788| | 789| 564k| if (BLOSCLZ_UNLIKELY(ip >= ip_limit)) break; ------------------ | | 35| 564k|#define BLOSCLZ_UNLIKELY(c) (c) | | ------------------ | | | Branch (35:30): [True: 286, False: 563k] | | ------------------ ------------------ 790| 563k| ctrl = *ip++; 791| 563k| } 792| 683k| } 793| | 794| 286| return (int)(op - (uint8_t*)output); 795| 396|} blosclz.c:wild_copy: 677| 68.7k|static inline void wild_copy(uint8_t *out, const uint8_t* from, uint8_t* end) { 678| 68.7k| uint8_t* d = out; 679| 68.7k| const uint8_t* s = from; 680| 68.7k| uint8_t* const e = end; 681| | 682| 432k| do { memcpy(d,s,8); d+=8; s+=8; } while (d 0; len--) { 549| | *out++ = *from++; 550| | } 551| | return out; 552| |#endif 553| | 554| | // If out and from are away more than the size of the copy, then a fastcopy is safe 555| 33.5k| unsigned overlap_dist = (unsigned) (out - from); 556| 33.5k| if (overlap_dist > sz) { ------------------ | Branch (556:7): [True: 90, False: 33.4k] ------------------ 557| 90| return fastcopy(out, from, len); 558| 90| } 559| | 560| | // Otherwise we need to be more careful so as not to overwrite destination 561| 33.4k| switch (overlap_dist) { 562| 0| case 32: ------------------ | Branch (562:5): [True: 0, False: 33.4k] ------------------ 563| 0| for (; len >= 32; len -= 32) { ------------------ | Branch (563:14): [True: 0, False: 0] ------------------ 564| 0| out = copy_32_bytes(out, from); 565| 0| } 566| 0| break; 567| 0| case 30: ------------------ | Branch (567:5): [True: 0, False: 33.4k] ------------------ 568| 0| for (; len >= 30; len -= 30) { ------------------ | Branch (568:14): [True: 0, False: 0] ------------------ 569| 0| out = copy_16_bytes(out, from); 570| 0| out = copy_8_bytes(out, from + 16); 571| 0| out = copy_4_bytes(out, from + 24); 572| 0| out = copy_2_bytes(out, from + 28); 573| 0| } 574| 0| break; 575| 0| case 28: ------------------ | Branch (575:5): [True: 0, False: 33.4k] ------------------ 576| 0| for (; len >= 28; len -= 28) { ------------------ | Branch (576:14): [True: 0, False: 0] ------------------ 577| 0| out = copy_16_bytes(out, from); 578| 0| out = copy_8_bytes(out, from + 16); 579| 0| out = copy_4_bytes(out, from + 24); 580| 0| } 581| 0| break; 582| 0| case 26: ------------------ | Branch (582:5): [True: 0, False: 33.4k] ------------------ 583| 0| for (; len >= 26; len -= 26) { ------------------ | Branch (583:14): [True: 0, False: 0] ------------------ 584| 0| out = copy_16_bytes(out, from); 585| 0| out = copy_8_bytes(out, from + 16); 586| 0| out = copy_2_bytes(out, from + 24); 587| 0| } 588| 0| break; 589| 0| case 24: ------------------ | Branch (589:5): [True: 0, False: 33.4k] ------------------ 590| 0| for (; len >= 24; len -= 24) { ------------------ | Branch (590:14): [True: 0, False: 0] ------------------ 591| 0| out = copy_16_bytes(out, from); 592| 0| out = copy_8_bytes(out, from + 16); 593| 0| } 594| 0| break; 595| 0| case 22: ------------------ | Branch (595:5): [True: 0, False: 33.4k] ------------------ 596| 0| for (; len >= 22; len -= 22) { ------------------ | Branch (596:14): [True: 0, False: 0] ------------------ 597| 0| out = copy_16_bytes(out, from); 598| 0| out = copy_4_bytes(out, from + 16); 599| 0| out = copy_2_bytes(out, from + 20); 600| 0| } 601| 0| break; 602| 0| case 20: ------------------ | Branch (602:5): [True: 0, False: 33.4k] ------------------ 603| 0| for (; len >= 20; len -= 20) { ------------------ | Branch (603:14): [True: 0, False: 0] ------------------ 604| 0| out = copy_16_bytes(out, from); 605| 0| out = copy_4_bytes(out, from + 16); 606| 0| } 607| 0| break; 608| 0| case 18: ------------------ | Branch (608:5): [True: 0, False: 33.4k] ------------------ 609| 0| for (; len >= 18; len -= 18) { ------------------ | Branch (609:14): [True: 0, False: 0] ------------------ 610| 0| out = copy_16_bytes(out, from); 611| 0| out = copy_2_bytes(out, from + 16); 612| 0| } 613| 0| break; 614| 68| case 16: ------------------ | Branch (614:5): [True: 68, False: 33.4k] ------------------ 615| 404| for (; len >= 16; len -= 16) { ------------------ | Branch (615:14): [True: 336, False: 68] ------------------ 616| 336| out = copy_16_bytes(out, from); 617| 336| } 618| 68| break; 619| 99| case 8: ------------------ | Branch (619:5): [True: 99, False: 33.3k] ------------------ 620| 1.58k| for (; len >= 8; len -= 8) { ------------------ | Branch (620:14): [True: 1.48k, False: 99] ------------------ 621| 1.48k| out = copy_8_bytes(out, from); 622| 1.48k| } 623| 99| break; 624| 7.60k| case 4: ------------------ | Branch (624:5): [True: 7.60k, False: 25.8k] ------------------ 625| 142k| for (; len >= 4; len -= 4) { ------------------ | Branch (625:14): [True: 134k, False: 7.60k] ------------------ 626| 134k| out = copy_4_bytes(out, from); 627| 134k| } 628| 7.60k| break; 629| 11.2k| case 2: ------------------ | Branch (629:5): [True: 11.2k, False: 22.2k] ------------------ 630| 164k| for (; len >= 2; len -= 2) { ------------------ | Branch (630:14): [True: 152k, False: 11.2k] ------------------ 631| 152k| out = copy_2_bytes(out, from); 632| 152k| } 633| 11.2k| break; 634| 14.4k| default: ------------------ | Branch (634:5): [True: 14.4k, False: 19.0k] ------------------ 635| 184k| for (; len > 0; len--) { ------------------ | Branch (635:14): [True: 169k, False: 14.4k] ------------------ 636| 169k| *out++ = *from++; 637| 169k| } 638| 33.4k| } 639| | 640| | // Copy the leftovers 641| 56.6k| for (; len > 0; len--) { ------------------ | Branch (641:10): [True: 23.1k, False: 33.4k] ------------------ 642| 23.1k| *out++ = *from++; 643| 23.1k| } 644| | 645| 33.4k| return out; 646| 33.4k|} fastcopy.c:copy_32_bytes: 118| 2|static inline unsigned char *copy_32_bytes(unsigned char *out, const unsigned char *from) { 119| |#if defined(__AVX2__) 120| | __m256i chunk; 121| | chunk = _mm256_loadu_si256((__m256i*)from); 122| | _mm256_storeu_si256((__m256i*)out, chunk); 123| | out += 32; 124| |#elif defined(__SSE2__) 125| | __m128i chunk; 126| 2| chunk = _mm_loadu_si128((__m128i*)from); 127| 2| _mm_storeu_si128((__m128i*)out, chunk); 128| 2| from += 16; out += 16; 129| 2| chunk = _mm_loadu_si128((__m128i*)from); 130| 2| _mm_storeu_si128((__m128i*)out, chunk); 131| 2| out += 16; 132| |#elif !defined(BLOSC_STRICT_ALIGN) 133| | *(uint64_t*)out = *(uint64_t*)from; 134| | from += 8; out += 8; 135| | *(uint64_t*)out = *(uint64_t*)from; 136| | from += 8; out += 8; 137| | *(uint64_t*)out = *(uint64_t*)from; 138| | from += 8; out += 8; 139| | *(uint64_t*)out = *(uint64_t*)from; 140| | from += 8; out += 8; 141| |#else 142| | int i; 143| | for (i = 0; i < 32; i++) { 144| | *out++ = *from++; 145| | } 146| |#endif 147| 2| return out; 148| 2|} fastcopy.c:copy_16_bytes: 98| 1.48k|static inline unsigned char *copy_16_bytes(unsigned char *out, const unsigned char *from) { 99| 1.48k|#if defined(__SSE2__) 100| 1.48k| __m128i chunk; 101| 1.48k| chunk = _mm_loadu_si128((__m128i*)from); 102| 1.48k| _mm_storeu_si128((__m128i*)out, chunk); 103| 1.48k| out += 16; 104| |#elif !defined(BLOSC_STRICT_ALIGN) 105| | *(uint64_t*)out = *(uint64_t*)from; 106| | from += 8; out += 8; 107| | *(uint64_t*)out = *(uint64_t*)from; 108| | from += 8; out += 8; 109| |#else 110| | int i; 111| | for (i = 0; i < 16; i++) { 112| | *out++ = *from++; 113| | } 114| |#endif 115| 1.48k| return out; 116| 1.48k|} fastcopy.c:copy_8_bytes: 86| 1.49k|static inline unsigned char *copy_8_bytes(unsigned char *out, const unsigned char *from) { 87| |#if defined(BLOSC_STRICT_ALIGN) 88| | uint64_t chunk; 89| | memcpy(&chunk, from, 8); 90| | memcpy(out, &chunk, 8); 91| |#else 92| 1.49k| *(uint64_t *) out = *(uint64_t *) from; 93| 1.49k|#endif 94| 1.49k| return out + 8; 95| 1.49k|} fastcopy.c:copy_bytes: 161| 28|static inline unsigned char *copy_bytes(unsigned char *out, const unsigned char *from, unsigned len) { 162| 28| assert(len < 8); 163| | 164| |#ifdef BLOSC_STRICT_ALIGN 165| | while (len--) { 166| | *out++ = *from++; 167| | } 168| |#else 169| 28| switch (len) { 170| 3| case 7: ------------------ | Branch (170:5): [True: 3, False: 25] ------------------ 171| 3| return copy_7_bytes(out, from); 172| 7| case 6: ------------------ | Branch (172:5): [True: 7, False: 21] ------------------ 173| 7| return copy_6_bytes(out, from); 174| 0| case 5: ------------------ | Branch (174:5): [True: 0, False: 28] ------------------ 175| 0| return copy_5_bytes(out, from); 176| 2| case 4: ------------------ | Branch (176:5): [True: 2, False: 26] ------------------ 177| 2| return copy_4_bytes(out, from); 178| 16| case 3: ------------------ | Branch (178:5): [True: 16, False: 12] ------------------ 179| 16| return copy_3_bytes(out, from); 180| 0| case 2: ------------------ | Branch (180:5): [True: 0, False: 28] ------------------ 181| 0| return copy_2_bytes(out, from); 182| 0| case 1: ------------------ | Branch (182:5): [True: 0, False: 28] ------------------ 183| 0| return copy_1_bytes(out, from); 184| 0| case 0: ------------------ | Branch (184:5): [True: 0, False: 28] ------------------ 185| 0| return out; 186| 0| default: ------------------ | Branch (186:5): [True: 0, False: 28] ------------------ 187| 0| assert(0); 188| 28| } 189| 0|#endif /* BLOSC_STRICT_ALIGN */ 190| 0| return out; 191| 28|} fastcopy.c:copy_7_bytes: 80| 3|static inline unsigned char *copy_7_bytes(unsigned char *out, const unsigned char *from) { 81| 3| out = copy_3_bytes(out, from); 82| 3| return copy_4_bytes(out, from + 3); 83| 3|} fastcopy.c:copy_6_bytes: 75| 7|static inline unsigned char *copy_6_bytes(unsigned char *out, const unsigned char *from) { 76| 7| out = copy_2_bytes(out, from); 77| 7| return copy_4_bytes(out, from + 2); 78| 7|} fastcopy.c:copy_3_bytes: 65| 19|static inline unsigned char *copy_3_bytes(unsigned char *out, const unsigned char *from) { 66| 19| out = copy_1_bytes(out, from); 67| 19| return copy_2_bytes(out, from + 1); 68| 19|} fastcopy.c:copy_1_bytes: 60| 19|static inline unsigned char *copy_1_bytes(unsigned char *out, const unsigned char *from) { 61| 19| *out++ = *from; 62| 19| return out; 63| 19|} fastcopy.c:chunk_memcpy: 200| 1|static inline unsigned char *chunk_memcpy(unsigned char *out, const unsigned char *from, unsigned len) { 201| 1| unsigned sz = sizeof(uint64_t); 202| 1| unsigned rem = len % sz; 203| 1| unsigned by8; 204| | 205| 1| assert(len >= sz); 206| | 207| | /* Copy a few bytes to make sure the loop below has a multiple of SZ bytes to be copied. */ 208| 1| copy_8_bytes(out, from); 209| | 210| 1| len /= sz; 211| 1| out += rem; 212| 1| from += rem; 213| | 214| 1| by8 = len % 8; 215| 1| len -= by8; 216| 1| switch (by8) { 217| 0| case 7: ------------------ | Branch (217:5): [True: 0, False: 1] ------------------ 218| 0| out = copy_8_bytes(out, from); 219| 0| from += sz; 220| | #ifdef AVOID_FALLTHROUGH_WARNING 221| | __attribute__ ((fallthrough)); // Shut-up -Wimplicit-fallthrough warning in GCC 222| | #endif 223| 0| case 6: ------------------ | Branch (223:5): [True: 0, False: 1] ------------------ 224| 0| out = copy_8_bytes(out, from); 225| 0| from += sz; 226| | #ifdef AVOID_FALLTHROUGH_WARNING 227| | __attribute__ ((fallthrough)); 228| | #endif 229| 0| case 5: ------------------ | Branch (229:5): [True: 0, False: 1] ------------------ 230| 0| out = copy_8_bytes(out, from); 231| 0| from += sz; 232| | #ifdef AVOID_FALLTHROUGH_WARNING 233| | __attribute__ ((fallthrough)); 234| | #endif 235| 0| case 4: ------------------ | Branch (235:5): [True: 0, False: 1] ------------------ 236| 0| out = copy_8_bytes(out, from); 237| 0| from += sz; 238| | #ifdef AVOID_FALLTHROUGH_WARNING 239| | __attribute__ ((fallthrough)); 240| | #endif 241| 0| case 3: ------------------ | Branch (241:5): [True: 0, False: 1] ------------------ 242| 0| out = copy_8_bytes(out, from); 243| 0| from += sz; 244| | #ifdef AVOID_FALLTHROUGH_WARNING 245| | __attribute__ ((fallthrough)); 246| | #endif 247| 0| case 2: ------------------ | Branch (247:5): [True: 0, False: 1] ------------------ 248| 0| out = copy_8_bytes(out, from); 249| 0| from += sz; 250| | #ifdef AVOID_FALLTHROUGH_WARNING 251| | __attribute__ ((fallthrough)); 252| | #endif 253| 1| case 1: ------------------ | Branch (253:5): [True: 1, False: 0] ------------------ 254| 1| out = copy_8_bytes(out, from); 255| 1| from += sz; 256| | #ifdef AVOID_FALLTHROUGH_WARNING 257| | __attribute__ ((fallthrough)); 258| | #endif 259| 1| default: ------------------ | Branch (259:5): [True: 0, False: 1] ------------------ 260| 1| break; 261| 1| } 262| | 263| 1| while (len) { ------------------ | Branch (263:10): [True: 0, False: 1] ------------------ 264| 0| out = copy_8_bytes(out, from); 265| 0| from += sz; 266| 0| out = copy_8_bytes(out, from); 267| 0| from += sz; 268| 0| out = copy_8_bytes(out, from); 269| 0| from += sz; 270| 0| out = copy_8_bytes(out, from); 271| 0| from += sz; 272| 0| out = copy_8_bytes(out, from); 273| 0| from += sz; 274| 0| out = copy_8_bytes(out, from); 275| 0| from += sz; 276| 0| out = copy_8_bytes(out, from); 277| 0| from += sz; 278| 0| out = copy_8_bytes(out, from); 279| 0| from += sz; 280| | 281| 0| len -= 8; 282| 0| } 283| | 284| 1| return out; 285| 1|} fastcopy.c:chunk_memcpy_unaligned: 410| 52|static inline unsigned char *chunk_memcpy_unaligned(unsigned char *out, const unsigned char *from, unsigned len) { 411| |#if defined(__AVX2__) 412| | unsigned sz = sizeof(__m256i); 413| |#elif defined(__SSE2__) 414| | unsigned sz = sizeof(__m128i); 415| 52|#endif 416| 52| unsigned rem = len % sz; 417| 52| unsigned ilen; 418| | 419| 52| assert(len >= sz); 420| | 421| | /* Copy a few bytes to make sure the loop below has a multiple of SZ bytes to be copied. */ 422| |#if defined(__AVX2__) 423| | copy_32_bytes(out, from); 424| |#elif defined(__SSE2__) 425| | copy_16_bytes(out, from); 426| 52|#endif 427| | 428| 52| len /= sz; 429| 52| out += rem; 430| 52| from += rem; 431| | 432| 1.14k| for (ilen = 0; ilen < len; ilen++) { ------------------ | Branch (432:18): [True: 1.09k, False: 52] ------------------ 433| |#if defined(__AVX2__) 434| | copy_32_bytes(out, from); 435| |#elif defined(__SSE2__) 436| | copy_16_bytes(out, from); 437| 1.09k|#endif 438| 1.09k| out += sz; 439| 1.09k| from += sz; 440| 1.09k| } 441| | 442| 52| return out; 443| 52|} fastcopy.c:copy_4_bytes: 48| 134k|static inline unsigned char *copy_4_bytes(unsigned char *out, const unsigned char *from) { 49| |#if defined(BLOSC_STRICT_ALIGN) 50| | uint32_t chunk; 51| | memcpy(&chunk, from, 4); 52| | memcpy(out, &chunk, 4); 53| |#else 54| 134k| *(uint32_t *) out = *(uint32_t *) from; 55| 134k|#endif 56| 134k| return out + 4; 57| 134k|} fastcopy.c:copy_2_bytes: 37| 152k|static inline unsigned char *copy_2_bytes(unsigned char *out, const unsigned char *from) { 38| |#if defined(BLOSC_STRICT_ALIGN) 39| | uint16_t chunk; 40| | memcpy(&chunk, from, 2); 41| | memcpy(out, &chunk, 2); 42| |#else 43| 152k| *(uint16_t *) out = *(uint16_t *) from; 44| 152k|#endif 45| 152k| return out + 2; 46| 152k|} unshuffle_avx2: 784| 4.65k| const uint8_t *_src, uint8_t *_dest) { 785| 4.65k| const int32_t vectorized_chunk_size = bytesoftype * (int32_t)sizeof(__m256i); 786| | 787| | /* If the block size is too small to be vectorized, 788| | use the generic implementation. */ 789| 4.65k| if (blocksize < vectorized_chunk_size) { ------------------ | Branch (789:7): [True: 4.03k, False: 625] ------------------ 790| 4.03k| unshuffle_generic(bytesoftype, blocksize, _src, _dest); 791| 4.03k| return; 792| 4.03k| } 793| | 794| | /* If the blocksize is not a multiple of both the typesize and 795| | the vector size, round the blocksize down to the next value 796| | which is a multiple of both. The vectorized unshuffle can be 797| | used for that portion of the data, and the naive implementation 798| | can be used for the remaining portion. */ 799| 625| const int32_t vectorizable_bytes = blocksize - (blocksize % vectorized_chunk_size); 800| | 801| 625| const int32_t vectorizable_elements = vectorizable_bytes / bytesoftype; 802| 625| const int32_t total_elements = blocksize / bytesoftype; 803| | 804| | /* Optimized unshuffle implementations */ 805| 625| switch (bytesoftype) { 806| 155| case 2: ------------------ | Branch (806:5): [True: 155, False: 470] ------------------ 807| 155| unshuffle2_avx2(_dest, _src, vectorizable_elements, total_elements); 808| 155| break; 809| 106| case 4: ------------------ | Branch (809:5): [True: 106, False: 519] ------------------ 810| 106| unshuffle4_avx2(_dest, _src, vectorizable_elements, total_elements); 811| 106| break; 812| 122| case 8: ------------------ | Branch (812:5): [True: 122, False: 503] ------------------ 813| 122| unshuffle8_avx2(_dest, _src, vectorizable_elements, total_elements); 814| 122| break; 815| 40| case 12: ------------------ | Branch (815:5): [True: 40, False: 585] ------------------ 816| 40| unshuffle12_avx2(_dest, _src, vectorizable_elements, total_elements); 817| 40| break; 818| 20| case 16: ------------------ | Branch (818:5): [True: 20, False: 605] ------------------ 819| 20| unshuffle16_avx2(_dest, _src, vectorizable_elements, total_elements); 820| 20| break; 821| 182| default: ------------------ | Branch (821:5): [True: 182, False: 443] ------------------ 822| | /* For types larger than 16 bytes, use the AVX2 tiled unshuffle. */ 823| 182| if (bytesoftype > (int32_t)sizeof(__m128i)) { ------------------ | Branch (823:11): [True: 55, False: 127] ------------------ 824| 55| unshuffle16_tiled_avx2(_dest, _src, vectorizable_elements, total_elements, bytesoftype); 825| 55| } 826| 127| else { 827| | /* Non-optimized unshuffle */ 828| 127| unshuffle_generic(bytesoftype, blocksize, _src, _dest); 829| | /* The non-optimized function covers the whole buffer, 830| | so we're done processing here. */ 831| 127| return; 832| 127| } 833| 625| } 834| | 835| | /* If the buffer had any bytes at the end which couldn't be handled 836| | by the vectorized implementations, use the non-optimized version 837| | to finish them up. */ 838| 498| if (vectorizable_bytes < blocksize) { ------------------ | Branch (838:7): [True: 359, False: 139] ------------------ 839| 359| unshuffle_generic_inline(bytesoftype, vectorizable_bytes, blocksize, _src, _dest); 840| 359| } 841| 498|} shuffle-avx2.c:unshuffle2_avx2: 338| 155| const int32_t vectorizable_elements, const int32_t total_elements) { 339| 155| static const int32_t bytesoftype = 2; 340| 155| int32_t i; 341| 155| int j; 342| 155| __m256i ymm0[2], ymm1[2]; 343| | 344| 6.74k| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (344:15): [True: 6.58k, False: 155] ------------------ 345| | /* Load 32 elements (64 bytes) into 2 YMM registers. */ 346| 6.58k| const uint8_t* const src_for_ith_element = src + i; 347| 19.7k| for (j = 0; j < 2; j++) { ------------------ | Branch (347:17): [True: 13.1k, False: 6.58k] ------------------ 348| 13.1k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (j * total_elements))); 349| 13.1k| } 350| | /* Shuffle bytes */ 351| 19.7k| for (j = 0; j < 2; j++) { ------------------ | Branch (351:17): [True: 13.1k, False: 6.58k] ------------------ 352| 13.1k| ymm0[j] = _mm256_permute4x64_epi64(ymm0[j], 0xd8); 353| 13.1k| } 354| | /* Compute the low 64 bytes */ 355| 6.58k| ymm1[0] = _mm256_unpacklo_epi8(ymm0[0], ymm0[1]); 356| | /* Compute the hi 64 bytes */ 357| 6.58k| ymm1[1] = _mm256_unpackhi_epi8(ymm0[0], ymm0[1]); 358| | /* Store the result vectors in proper order */ 359| 6.58k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (0 * sizeof(__m256i))), ymm1[0]); 360| 6.58k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (1 * sizeof(__m256i))), ymm1[1]); 361| 6.58k| } 362| 155|} shuffle-avx2.c:unshuffle4_avx2: 367| 106| const int32_t vectorizable_elements, const int32_t total_elements) { 368| 106| static const int32_t bytesoftype = 4; 369| 106| int32_t i; 370| 106| int j; 371| 106| __m256i ymm0[4], ymm1[4]; 372| | 373| 1.43k| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (373:15): [True: 1.32k, False: 106] ------------------ 374| | /* Load 32 elements (128 bytes) into 4 YMM registers. */ 375| 1.32k| const uint8_t* const src_for_ith_element = src + i; 376| 6.63k| for (j = 0; j < 4; j++) { ------------------ | Branch (376:17): [True: 5.30k, False: 1.32k] ------------------ 377| 5.30k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (j * total_elements))); 378| 5.30k| } 379| | /* Shuffle bytes */ 380| 3.97k| for (j = 0; j < 2; j++) { ------------------ | Branch (380:17): [True: 2.65k, False: 1.32k] ------------------ 381| | /* Compute the low 64 bytes */ 382| 2.65k| ymm1[j] = _mm256_unpacklo_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 383| | /* Compute the hi 64 bytes */ 384| 2.65k| ymm1[2 + j] = _mm256_unpackhi_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 385| 2.65k| } 386| | /* Shuffle 2-byte words */ 387| 3.97k| for (j = 0; j < 2; j++) { ------------------ | Branch (387:17): [True: 2.65k, False: 1.32k] ------------------ 388| | /* Compute the low 64 bytes */ 389| 2.65k| ymm0[j] = _mm256_unpacklo_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 390| | /* Compute the hi 64 bytes */ 391| 2.65k| ymm0[2 + j] = _mm256_unpackhi_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 392| 2.65k| } 393| 1.32k| ymm1[0] = _mm256_permute2x128_si256(ymm0[0], ymm0[2], 0x20); 394| 1.32k| ymm1[1] = _mm256_permute2x128_si256(ymm0[1], ymm0[3], 0x20); 395| 1.32k| ymm1[2] = _mm256_permute2x128_si256(ymm0[0], ymm0[2], 0x31); 396| 1.32k| ymm1[3] = _mm256_permute2x128_si256(ymm0[1], ymm0[3], 0x31); 397| | 398| | /* Store the result vectors in proper order */ 399| 6.63k| for (j = 0; j < 4; j++) { ------------------ | Branch (399:17): [True: 5.30k, False: 1.32k] ------------------ 400| 5.30k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (j * sizeof(__m256i))), ymm1[j]); 401| 5.30k| } 402| 1.32k| } 403| 106|} shuffle-avx2.c:unshuffle8_avx2: 408| 122| const int32_t vectorizable_elements, const int32_t total_elements) { 409| 122| static const int32_t bytesoftype = 8; 410| 122| int32_t i; 411| 122| int j; 412| 122| __m256i ymm0[8], ymm1[8]; 413| | 414| 3.36k| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (414:15): [True: 3.24k, False: 122] ------------------ 415| | /* Fetch 32 elements (256 bytes) into 8 YMM registers. */ 416| 3.24k| const uint8_t* const src_for_ith_element = src + i; 417| 29.2k| for (j = 0; j < 8; j++) { ------------------ | Branch (417:17): [True: 25.9k, False: 3.24k] ------------------ 418| 25.9k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (j * total_elements))); 419| 25.9k| } 420| | /* Shuffle bytes */ 421| 16.2k| for (j = 0; j < 4; j++) { ------------------ | Branch (421:17): [True: 12.9k, False: 3.24k] ------------------ 422| | /* Compute the low 32 bytes */ 423| 12.9k| ymm1[j] = _mm256_unpacklo_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 424| | /* Compute the hi 32 bytes */ 425| 12.9k| ymm1[4 + j] = _mm256_unpackhi_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 426| 12.9k| } 427| | /* Shuffle words */ 428| 16.2k| for (j = 0; j < 4; j++) { ------------------ | Branch (428:17): [True: 12.9k, False: 3.24k] ------------------ 429| | /* Compute the low 32 bytes */ 430| 12.9k| ymm0[j] = _mm256_unpacklo_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 431| | /* Compute the hi 32 bytes */ 432| 12.9k| ymm0[4 + j] = _mm256_unpackhi_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 433| 12.9k| } 434| 29.2k| for (j = 0; j < 8; j++) { ------------------ | Branch (434:17): [True: 25.9k, False: 3.24k] ------------------ 435| 25.9k| ymm0[j] = _mm256_permute4x64_epi64(ymm0[j], 0xd8); 436| 25.9k| } 437| | 438| | /* Shuffle 4-byte dwords */ 439| 16.2k| for (j = 0; j < 4; j++) { ------------------ | Branch (439:17): [True: 12.9k, False: 3.24k] ------------------ 440| | /* Compute the low 32 bytes */ 441| 12.9k| ymm1[j] = _mm256_unpacklo_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 442| | /* Compute the hi 32 bytes */ 443| 12.9k| ymm1[4 + j] = _mm256_unpackhi_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 444| 12.9k| } 445| | 446| | /* Store the result vectors in proper order */ 447| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (0 * sizeof(__m256i))), ymm1[0]); 448| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (1 * sizeof(__m256i))), ymm1[2]); 449| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (2 * sizeof(__m256i))), ymm1[1]); 450| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (3 * sizeof(__m256i))), ymm1[3]); 451| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (4 * sizeof(__m256i))), ymm1[4]); 452| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (5 * sizeof(__m256i))), ymm1[6]); 453| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (6 * sizeof(__m256i))), ymm1[5]); 454| 3.24k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (7 * sizeof(__m256i))), ymm1[7]); 455| 3.24k| } 456| 122|} shuffle-avx2.c:unshuffle12_avx2: 533| 40| const int32_t vectorizable_elements, const int32_t total_elements) { 534| 40| static const int32_t bytesoftype = 12; 535| 40| int32_t i; 536| 40| int j; 537| 40| __m256i ymm0[16], ymm1[16]; 538| | 539| 40| __m256i permute = _mm256_set_epi32(0,0,6,5,4,2,1,0); 540| 40| __m256i store_mask = _mm256_set_epi32(0x0, 0x0, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); 541| 40| int32_t jump = 2*bytesoftype; 542| 642| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (542:15): [True: 602, False: 40] ------------------ 543| | /* Fetch 24 elements (384 bytes) into 12 YMM registers. */ 544| 602| const uint8_t* const src_for_ith_element = src + i; 545| 7.82k| for (j = 0; j < bytesoftype; j++) { ------------------ | Branch (545:17): [True: 7.22k, False: 602] ------------------ 546| 7.22k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (j * total_elements))); 547| 7.22k| } 548| | /* Initialize the last 4 registers (128 bytes) to null */ 549| 3.01k| for (j = bytesoftype; j < 16; j++) { ------------------ | Branch (549:27): [True: 2.40k, False: 602] ------------------ 550| 2.40k| ymm0[j] = _mm256_setzero_si256(); 551| 2.40k| } 552| | 553| | /* Shuffle bytes */ 554| 5.41k| for (j = 0; j < 8; j++) { ------------------ | Branch (554:17): [True: 4.81k, False: 602] ------------------ 555| | /* Compute the low 32 bytes */ 556| 4.81k| ymm1[j] = _mm256_unpacklo_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 557| | /* Compute the hi 32 bytes */ 558| 4.81k| ymm1[8 + j] = _mm256_unpackhi_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 559| 4.81k| } 560| | /* Shuffle 2-byte words */ 561| 5.41k| for (j = 0; j < 8; j++) { ------------------ | Branch (561:17): [True: 4.81k, False: 602] ------------------ 562| | /* Compute the low 32 bytes */ 563| 4.81k| ymm0[j] = _mm256_unpacklo_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 564| | /* Compute the hi 32 bytes */ 565| 4.81k| ymm0[8 + j] = _mm256_unpackhi_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 566| 4.81k| } 567| | /* Shuffle 4-byte dwords */ 568| 5.41k| for (j = 0; j < 8; j++) { ------------------ | Branch (568:17): [True: 4.81k, False: 602] ------------------ 569| | /* Compute the low 32 bytes */ 570| 4.81k| ymm1[j] = _mm256_unpacklo_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 571| | /* Compute the hi 32 bytes */ 572| 4.81k| ymm1[8 + j] = _mm256_unpackhi_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 573| 4.81k| } 574| | 575| | /* Shuffle 8-byte qwords */ 576| 5.41k| for (j = 0; j < 8; j++) { ------------------ | Branch (576:17): [True: 4.81k, False: 602] ------------------ 577| | /* Compute the low 32 bytes */ 578| 4.81k| ymm0[j] = _mm256_unpacklo_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 579| | /* Compute the hi 32 bytes */ 580| 4.81k| ymm0[8 + j] = _mm256_unpackhi_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 581| 4.81k| } 582| | 583| | 584| 5.41k| for (j = 0; j < 8; j++) { ------------------ | Branch (584:17): [True: 4.81k, False: 602] ------------------ 585| 4.81k| ymm1[j] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x20); 586| 4.81k| ymm1[j + 8] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x31); 587| 4.81k| ymm1[j] = _mm256_permutevar8x32_epi32(ymm1[j], permute); 588| 4.81k| ymm1[j+8] = _mm256_permutevar8x32_epi32(ymm1[j+8], permute); 589| | 590| | 591| 4.81k| } 592| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (0 * jump)), ymm1[0]); 593| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (1 * jump)), ymm1[4]); 594| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (2 * jump)), ymm1[2]); 595| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (3 * jump)), ymm1[6]); 596| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (4 * jump)), ymm1[1]); 597| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (5 * jump)), ymm1[5]); 598| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (6 * jump)), ymm1[3]); 599| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (7 * jump)), ymm1[7]); 600| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (8 * jump)), ymm1[8]); 601| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (9 * jump)), ymm1[12]); 602| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (10 * jump)), ymm1[10]); 603| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (11 * jump)), ymm1[14]); 604| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (12 * jump)), ymm1[9]); 605| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (13 * jump)), ymm1[13]); 606| 602| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (14 * jump)), ymm1[11]); 607| 602| _mm256_maskstore_epi32((int *)(dest + (i * bytesoftype) + (15 * jump)), store_mask, ymm1[15]); 608| 602| } 609| 40|} shuffle-avx2.c:unshuffle16_avx2: 461| 20| const int32_t vectorizable_elements, const int32_t total_elements) { 462| 20| static const int32_t bytesoftype = 16; 463| 20| int32_t i; 464| 20| int j; 465| 20| __m256i ymm0[16], ymm1[16]; 466| | 467| 1.20k| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (467:15): [True: 1.18k, False: 20] ------------------ 468| | /* Fetch 32 elements (512 bytes) into 16 YMM registers. */ 469| 1.18k| const uint8_t* const src_for_ith_element = src + i; 470| 20.2k| for (j = 0; j < 16; j++) { ------------------ | Branch (470:17): [True: 19.0k, False: 1.18k] ------------------ 471| 19.0k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (j * total_elements))); 472| 19.0k| } 473| | 474| | /* Shuffle bytes */ 475| 10.7k| for (j = 0; j < 8; j++) { ------------------ | Branch (475:17): [True: 9.51k, False: 1.18k] ------------------ 476| | /* Compute the low 32 bytes */ 477| 9.51k| ymm1[j] = _mm256_unpacklo_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 478| | /* Compute the hi 32 bytes */ 479| 9.51k| ymm1[8 + j] = _mm256_unpackhi_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 480| 9.51k| } 481| | /* Shuffle 2-byte words */ 482| 10.7k| for (j = 0; j < 8; j++) { ------------------ | Branch (482:17): [True: 9.51k, False: 1.18k] ------------------ 483| | /* Compute the low 32 bytes */ 484| 9.51k| ymm0[j] = _mm256_unpacklo_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 485| | /* Compute the hi 32 bytes */ 486| 9.51k| ymm0[8 + j] = _mm256_unpackhi_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 487| 9.51k| } 488| | /* Shuffle 4-byte dwords */ 489| 10.7k| for (j = 0; j < 8; j++) { ------------------ | Branch (489:17): [True: 9.51k, False: 1.18k] ------------------ 490| | /* Compute the low 32 bytes */ 491| 9.51k| ymm1[j] = _mm256_unpacklo_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 492| | /* Compute the hi 32 bytes */ 493| 9.51k| ymm1[8 + j] = _mm256_unpackhi_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 494| 9.51k| } 495| | 496| | /* Shuffle 8-byte qwords */ 497| 10.7k| for (j = 0; j < 8; j++) { ------------------ | Branch (497:17): [True: 9.51k, False: 1.18k] ------------------ 498| | /* Compute the low 32 bytes */ 499| 9.51k| ymm0[j] = _mm256_unpacklo_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 500| | /* Compute the hi 32 bytes */ 501| 9.51k| ymm0[8 + j] = _mm256_unpackhi_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 502| 9.51k| } 503| | 504| 10.7k| for (j = 0; j < 8; j++) { ------------------ | Branch (504:17): [True: 9.51k, False: 1.18k] ------------------ 505| 9.51k| ymm1[j] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x20); 506| 9.51k| ymm1[j + 8] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x31); 507| 9.51k| } 508| | 509| | /* Store the result vectors in proper order */ 510| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (0 * sizeof(__m256i))), ymm1[0]); 511| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (1 * sizeof(__m256i))), ymm1[4]); 512| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (2 * sizeof(__m256i))), ymm1[2]); 513| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (3 * sizeof(__m256i))), ymm1[6]); 514| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (4 * sizeof(__m256i))), ymm1[1]); 515| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (5 * sizeof(__m256i))), ymm1[5]); 516| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (6 * sizeof(__m256i))), ymm1[3]); 517| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (7 * sizeof(__m256i))), ymm1[7]); 518| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (8 * sizeof(__m256i))), ymm1[8]); 519| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (9 * sizeof(__m256i))), ymm1[12]); 520| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (10 * sizeof(__m256i))), ymm1[10]); 521| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (11 * sizeof(__m256i))), ymm1[14]); 522| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (12 * sizeof(__m256i))), ymm1[9]); 523| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (13 * sizeof(__m256i))), ymm1[13]); 524| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (14 * sizeof(__m256i))), ymm1[11]); 525| 1.18k| _mm256_storeu_si256((__m256i*)(dest + (i * bytesoftype) + (15 * sizeof(__m256i))), ymm1[15]); 526| 1.18k| } 527| 20|} shuffle-avx2.c:unshuffle16_tiled_avx2: 613| 55| const int32_t vectorizable_elements, const int32_t total_elements, const int32_t bytesoftype) { 614| 55| int32_t i; 615| 55| int j; 616| 55| __m256i ymm0[16], ymm1[16]; 617| | 618| 55| const lldiv_t vecs_per_el = lldiv(bytesoftype, sizeof(__m128i)); 619| 55| const int32_t vecs_rem = (int32_t)vecs_per_el.rem; 620| | 621| | /* The unshuffle loops are inverted (compared to shuffle_tiled16_avx2) 622| | to optimize cache utilization. */ 623| 55| int32_t offset_into_type; 624| 271| for (offset_into_type = 0; offset_into_type < bytesoftype; ------------------ | Branch (624:30): [True: 216, False: 55] ------------------ 625| 216| offset_into_type += (offset_into_type == 0 && vecs_rem > 0 ? vecs_rem : (int32_t)sizeof(__m128i))) { ------------------ | Branch (625:29): [True: 55, False: 161] | Branch (625:54): [True: 42, False: 13] ------------------ 626| 4.21k| for (i = 0; i < vectorizable_elements; i += sizeof(__m256i)) { ------------------ | Branch (626:17): [True: 3.99k, False: 216] ------------------ 627| | /* Load the first 16 bytes of 32 adjacent elements (512 bytes) into 16 YMM registers */ 628| 3.99k| const uint8_t* const src_for_ith_element = src + i; 629| 67.9k| for (j = 0; j < 16; j++) { ------------------ | Branch (629:19): [True: 63.9k, False: 3.99k] ------------------ 630| 63.9k| ymm0[j] = _mm256_loadu_si256((__m256i*)(src_for_ith_element + (total_elements * (offset_into_type + j)))); 631| 63.9k| } 632| | 633| | /* Shuffle bytes */ 634| 35.9k| for (j = 0; j < 8; j++) { ------------------ | Branch (634:19): [True: 31.9k, False: 3.99k] ------------------ 635| | /* Compute the low 32 bytes */ 636| 31.9k| ymm1[j] = _mm256_unpacklo_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 637| | /* Compute the hi 32 bytes */ 638| 31.9k| ymm1[8 + j] = _mm256_unpackhi_epi8(ymm0[j * 2], ymm0[j * 2 + 1]); 639| 31.9k| } 640| | /* Shuffle 2-byte words */ 641| 35.9k| for (j = 0; j < 8; j++) { ------------------ | Branch (641:19): [True: 31.9k, False: 3.99k] ------------------ 642| | /* Compute the low 32 bytes */ 643| 31.9k| ymm0[j] = _mm256_unpacklo_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 644| | /* Compute the hi 32 bytes */ 645| 31.9k| ymm0[8 + j] = _mm256_unpackhi_epi16(ymm1[j * 2], ymm1[j * 2 + 1]); 646| 31.9k| } 647| | /* Shuffle 4-byte dwords */ 648| 35.9k| for (j = 0; j < 8; j++) { ------------------ | Branch (648:19): [True: 31.9k, False: 3.99k] ------------------ 649| | /* Compute the low 32 bytes */ 650| 31.9k| ymm1[j] = _mm256_unpacklo_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 651| | /* Compute the hi 32 bytes */ 652| 31.9k| ymm1[8 + j] = _mm256_unpackhi_epi32(ymm0[j * 2], ymm0[j * 2 + 1]); 653| 31.9k| } 654| | 655| | /* Shuffle 8-byte qwords */ 656| 35.9k| for (j = 0; j < 8; j++) { ------------------ | Branch (656:19): [True: 31.9k, False: 3.99k] ------------------ 657| | /* Compute the low 32 bytes */ 658| 31.9k| ymm0[j] = _mm256_unpacklo_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 659| | /* Compute the hi 32 bytes */ 660| 31.9k| ymm0[8 + j] = _mm256_unpackhi_epi64(ymm1[j * 2], ymm1[j * 2 + 1]); 661| 31.9k| } 662| | 663| 35.9k| for (j = 0; j < 8; j++) { ------------------ | Branch (663:19): [True: 31.9k, False: 3.99k] ------------------ 664| 31.9k| ymm1[j] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x20); 665| 31.9k| ymm1[j + 8] = _mm256_permute2x128_si256(ymm0[j], ymm0[j + 8], 0x31); 666| 31.9k| } 667| | 668| | /* Store the result vectors in proper order */ 669| 3.99k| const uint8_t* const dest_with_offset = dest + offset_into_type; 670| 3.99k| _mm256_storeu2_m128i( 671| 3.99k| (__m128i*)(dest_with_offset + (i + 0x01) * bytesoftype), 672| 3.99k| (__m128i*)(dest_with_offset + (i + 0x00) * bytesoftype), ymm1[0]); 673| 3.99k| _mm256_storeu2_m128i( 674| 3.99k| (__m128i*)(dest_with_offset + (i + 0x03) * bytesoftype), 675| 3.99k| (__m128i*)(dest_with_offset + (i + 0x02) * bytesoftype), ymm1[4]); 676| 3.99k| _mm256_storeu2_m128i( 677| 3.99k| (__m128i*)(dest_with_offset + (i + 0x05) * bytesoftype), 678| 3.99k| (__m128i*)(dest_with_offset + (i + 0x04) * bytesoftype), ymm1[2]); 679| 3.99k| _mm256_storeu2_m128i( 680| 3.99k| (__m128i*)(dest_with_offset + (i + 0x07) * bytesoftype), 681| 3.99k| (__m128i*)(dest_with_offset + (i + 0x06) * bytesoftype), ymm1[6]); 682| 3.99k| _mm256_storeu2_m128i( 683| 3.99k| (__m128i*)(dest_with_offset + (i + 0x09) * bytesoftype), 684| 3.99k| (__m128i*)(dest_with_offset + (i + 0x08) * bytesoftype), ymm1[1]); 685| 3.99k| _mm256_storeu2_m128i( 686| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0b) * bytesoftype), 687| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0a) * bytesoftype), ymm1[5]); 688| 3.99k| _mm256_storeu2_m128i( 689| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0d) * bytesoftype), 690| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0c) * bytesoftype), ymm1[3]); 691| 3.99k| _mm256_storeu2_m128i( 692| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0f) * bytesoftype), 693| 3.99k| (__m128i*)(dest_with_offset + (i + 0x0e) * bytesoftype), ymm1[7]); 694| 3.99k| _mm256_storeu2_m128i( 695| 3.99k| (__m128i*)(dest_with_offset + (i + 0x11) * bytesoftype), 696| 3.99k| (__m128i*)(dest_with_offset + (i + 0x10) * bytesoftype), ymm1[8]); 697| 3.99k| _mm256_storeu2_m128i( 698| 3.99k| (__m128i*)(dest_with_offset + (i + 0x13) * bytesoftype), 699| 3.99k| (__m128i*)(dest_with_offset + (i + 0x12) * bytesoftype), ymm1[12]); 700| 3.99k| _mm256_storeu2_m128i( 701| 3.99k| (__m128i*)(dest_with_offset + (i + 0x15) * bytesoftype), 702| 3.99k| (__m128i*)(dest_with_offset + (i + 0x14) * bytesoftype), ymm1[10]); 703| 3.99k| _mm256_storeu2_m128i( 704| 3.99k| (__m128i*)(dest_with_offset + (i + 0x17) * bytesoftype), 705| 3.99k| (__m128i*)(dest_with_offset + (i + 0x16) * bytesoftype), ymm1[14]); 706| 3.99k| _mm256_storeu2_m128i( 707| 3.99k| (__m128i*)(dest_with_offset + (i + 0x19) * bytesoftype), 708| 3.99k| (__m128i*)(dest_with_offset + (i + 0x18) * bytesoftype), ymm1[9]); 709| 3.99k| _mm256_storeu2_m128i( 710| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1b) * bytesoftype), 711| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1a) * bytesoftype), ymm1[13]); 712| 3.99k| _mm256_storeu2_m128i( 713| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1d) * bytesoftype), 714| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1c) * bytesoftype), ymm1[11]); 715| 3.99k| _mm256_storeu2_m128i( 716| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1f) * bytesoftype), 717| 3.99k| (__m128i*)(dest_with_offset + (i + 0x1e) * bytesoftype), ymm1[15]); 718| 3.99k| } 719| 216| } 720| 55|} unshuffle_generic: 22| 4.15k| const uint8_t *_src, uint8_t *_dest) { 23| | /* Non-optimized unshuffle */ 24| 4.15k| unshuffle_generic_inline(bytesoftype, 0, blocksize, _src, _dest); 25| 4.15k|} shuffle-generic.c:unshuffle_generic_inline: 64| 4.15k| const uint8_t *_src, uint8_t *_dest) { 65| 4.15k| int32_t i, j; 66| | 67| | /* Calculate the number of elements in the block. */ 68| 4.15k| const int32_t neblock_quot = blocksize / type_size; 69| 4.15k| const int32_t neblock_rem = blocksize % type_size; 70| 4.15k| const int32_t vectorizable_elements = vectorizable_blocksize / type_size; 71| | 72| | /* Non-optimized unshuffle */ 73| 2.58M| for (i = vectorizable_elements; i < (int32_t)neblock_quot; i++) { ------------------ | Branch (73:35): [True: 2.58M, False: 4.15k] ------------------ 74| 5.83M| for (j = 0; j < type_size; j++) { ------------------ | Branch (74:17): [True: 3.25M, False: 2.58M] ------------------ 75| 3.25M| _dest[i * type_size + j] = _src[j * neblock_quot + i]; 76| 3.25M| } 77| 2.58M| } 78| | 79| | /* Copy any leftover bytes in the block without unshuffling them. */ 80| 4.15k| memcpy(_dest + (blocksize - neblock_rem), _src + (blocksize - neblock_rem), neblock_rem); 81| 4.15k|} shuffle-avx2.c:unshuffle_generic_inline: 64| 359| const uint8_t *_src, uint8_t *_dest) { 65| 359| int32_t i, j; 66| | 67| | /* Calculate the number of elements in the block. */ 68| 359| const int32_t neblock_quot = blocksize / type_size; 69| 359| const int32_t neblock_rem = blocksize % type_size; 70| 359| const int32_t vectorizable_elements = vectorizable_blocksize / type_size; 71| | 72| | /* Non-optimized unshuffle */ 73| 3.37k| for (i = vectorizable_elements; i < (int32_t)neblock_quot; i++) { ------------------ | Branch (73:35): [True: 3.01k, False: 359] ------------------ 74| 49.6k| for (j = 0; j < type_size; j++) { ------------------ | Branch (74:17): [True: 46.6k, False: 3.01k] ------------------ 75| 46.6k| _dest[i * type_size + j] = _src[j * neblock_quot + i]; 76| 46.6k| } 77| 3.01k| } 78| | 79| | /* Copy any leftover bytes in the block without unshuffling them. */ 80| 359| memcpy(_dest + (blocksize - neblock_rem), _src + (blocksize - neblock_rem), neblock_rem); 81| 359|} blosc2_unshuffle: 436| 4.65k| const void* src, void* dest) { 437| | /* Initialize the shuffle implementation if necessary. */ 438| 4.65k| init_shuffle_implementation(); 439| | 440| 4.65k| if (typesize < 1 || typesize > 256 || blocksize < 0) { ------------------ | Branch (440:7): [True: 0, False: 4.65k] | Branch (440:23): [True: 0, False: 4.65k] | Branch (440:41): [True: 0, False: 4.65k] ------------------ 441| 0| return BLOSC2_ERROR_INVALID_PARAM; 442| 0| } 443| | 444| | /* The implementation is initialized. 445| | Dispatch to it's unshuffle routine. */ 446| 4.65k| (host_implementation.unshuffle)(typesize, blocksize, src, dest); 447| | 448| 4.65k| return blocksize; 449| 4.65k|} bitunshuffle: 484| 3.05k| const uint8_t format_version) { 485| | /* Initialize the shuffle implementation if necessary. */ 486| 3.05k| init_shuffle_implementation(); 487| 3.05k| size_t size = blocksize / typesize; 488| | 489| 3.05k| if (format_version == 2) { ------------------ | Branch (489:7): [True: 836, False: 2.21k] ------------------ 490| | /* Starting from version 3, bitshuffle() works differently */ 491| 836| if ((size % 8) == 0) { ------------------ | Branch (491:9): [True: 496, False: 340] ------------------ 492| | /* The number of elems is a multiple of 8 which is supported by 493| | bitshuffle. */ 494| 496| int ret = (int) (host_implementation.bitunshuffle) 495| 496| ((const void *) src, (void *) dest, blocksize / typesize, typesize); 496| 496| if (ret < 0) { ------------------ | Branch (496:11): [True: 0, False: 496] ------------------ 497| | // Some error in bitshuffle (should not happen) 498| 0| BLOSC_TRACE_ERROR("the impossible happened: the bitunshuffle filter failed!"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 499| 0| return ret; 500| 0| } 501| 496| } 502| 340| else { 503| 340| memcpy(dest, src, blocksize); 504| 340| } 505| 836| } 506| 2.21k| else { 507| | /* bitshuffle only supports a number of bytes that is a multiple of 8. */ 508| 2.21k| size -= size % 8; 509| 2.21k| int ret = (int) (host_implementation.bitunshuffle)(src, dest, size, typesize); 510| 2.21k| if (ret < 0) { ------------------ | Branch (510:9): [True: 0, False: 2.21k] ------------------ 511| 0| BLOSC_TRACE_ERROR("the impossible happened: the bitunshuffle filter failed!"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 512| 0| return ret; 513| 0| } 514| | 515| | /* Copy the leftovers */ 516| 2.21k| size_t offset = size * typesize; 517| 2.21k| memcpy((uint8_t *) dest + offset, (const uint8_t *) src + offset, blocksize - offset); 518| 2.21k| } 519| | 520| 3.05k| return blocksize; 521| 3.05k|} shuffle.c:init_shuffle_implementation: 391| 7.70k|void init_shuffle_implementation(void) { 392| | /* Initialization could (in rare cases) take place concurrently on 393| | multiple threads, but it shouldn't matter because the 394| | initialization should return the same result on each thread (so 395| | the implementation will be the same). Since that's the case we 396| | can avoid complicated synchronization here and get a small 397| | performance benefit because we don't need to perform a volatile 398| | load on the initialization variable each time this function is 399| | called. */ 400| 7.70k|#if defined(__GNUC__) || defined(__clang__) 401| 7.70k| if (__builtin_expect(!implementation_initialized, 0)) { ------------------ | Branch (401:7): [True: 1, False: 7.70k] ------------------ 402| |#else 403| | if (!implementation_initialized) { 404| |#endif 405| | /* Initialize the implementation. */ 406| 1| host_implementation = get_shuffle_implementation(); 407| | 408| | /* Set the flag indicating the implementation has been initialized. */ 409| 1| implementation_initialized = 1; 410| 1| } 411| 7.70k|} shuffle.c:get_shuffle_implementation: 290| 1|static shuffle_implementation_t get_shuffle_implementation(void) { 291| 1|#if defined(SHUFFLE_AVX512_ENABLED) || defined(SHUFFLE_AVX2_ENABLED) || defined(SHUFFLE_SSE2_ENABLED) || defined(SHUFFLE_NEON_ENABLED) || defined(SHUFFLE_ALTIVEC_ENABLED) 292| 1| blosc_cpu_features cpu_features = blosc_get_cpu_features(); 293| 1|#endif 294| 1|#if defined(SHUFFLE_AVX512_ENABLED) 295| 1| if (cpu_features & BLOSC_HAVE_AVX512 && is_shuffle_avx2 && is_bshuf_AVX512) { ------------------ | Branch (295:7): [True: 0, False: 1] | Branch (295:43): [True: 0, False: 0] | Branch (295:62): [True: 0, False: 0] ------------------ 296| 0| shuffle_implementation_t impl_avx512; 297| 0| impl_avx512.name = "avx512"; 298| 0| impl_avx512.shuffle = (shuffle_func)shuffle_avx2; 299| 0| impl_avx512.unshuffle = (unshuffle_func)unshuffle_avx2; 300| 0| impl_avx512.bitshuffle = (bitshuffle_func) bshuf_trans_bit_elem_AVX512; 301| 0| impl_avx512.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_AVX512; 302| 0| return impl_avx512; 303| 0| } 304| 1|#endif /* defined(SHUFFLE_AVX512_ENABLED) */ 305| | 306| 1|#if defined(SHUFFLE_AVX2_ENABLED) 307| 1| if (cpu_features & BLOSC_HAVE_AVX2 && is_shuffle_avx2 && is_bshuf_AVX) { ------------------ | Branch (307:7): [True: 1, False: 0] | Branch (307:41): [True: 1, False: 0] | Branch (307:60): [True: 1, False: 0] ------------------ 308| 1| shuffle_implementation_t impl_avx2; 309| 1| impl_avx2.name = "avx2"; 310| 1| impl_avx2.shuffle = (shuffle_func)shuffle_avx2; 311| 1| impl_avx2.unshuffle = (unshuffle_func)unshuffle_avx2; 312| 1| impl_avx2.bitshuffle = (bitshuffle_func) bshuf_trans_bit_elem_AVX; 313| 1| impl_avx2.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_AVX; 314| 1| return impl_avx2; 315| 1| } 316| 0|#endif /* defined(SHUFFLE_AVX2_ENABLED) */ 317| | 318| 0|#if defined(SHUFFLE_SSE2_ENABLED) 319| 0| if (cpu_features & BLOSC_HAVE_SSE2 && is_shuffle_sse2 && is_bshuf_SSE) { ------------------ | Branch (319:7): [True: 0, False: 0] | Branch (319:41): [True: 0, False: 0] | Branch (319:60): [True: 0, False: 0] ------------------ 320| 0| shuffle_implementation_t impl_sse2; 321| 0| impl_sse2.name = "sse2"; 322| 0| impl_sse2.shuffle = (shuffle_func)shuffle_sse2; 323| 0| impl_sse2.unshuffle = (unshuffle_func)unshuffle_sse2; 324| 0| impl_sse2.bitshuffle = (bitshuffle_func)bshuf_trans_bit_elem_SSE; 325| 0| impl_sse2.bitunshuffle = (bitunshuffle_func) bshuf_untrans_bit_elem_SSE; 326| 0| return impl_sse2; 327| 0| } 328| 0|#endif /* defined(SHUFFLE_SSE2_ENABLED) */ 329| | 330| |#if defined(SHUFFLE_NEON_ENABLED) 331| | if (cpu_features & BLOSC_HAVE_NEON && is_shuffle_neon) { // && is_bshuf_NEON if using NEON bitshuffle 332| | shuffle_implementation_t impl_neon; 333| | impl_neon.name = "neon"; 334| | impl_neon.shuffle = (shuffle_func)shuffle_neon; 335| | impl_neon.unshuffle = (unshuffle_func)unshuffle_neon; 336| | //impl_neon.shuffle = (shuffle_func)shuffle_generic; 337| | //impl_neon.unshuffle = (unshuffle_func)unshuffle_generic; 338| | //impl_neon.bitshuffle = (bitshuffle_func)bshuf_trans_bit_elem_NEON; 339| | //impl_neon.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_NEON; 340| | // The current bitshuffle optimized for NEON is not any faster 341| | // (in fact, it is pretty much slower) than the scalar implementation. 342| | // So, let's use the scalar one, which is pretty fast, at least on a M1 CPU. 343| | impl_neon.bitshuffle = (bitshuffle_func)bshuf_trans_bit_elem_scal; 344| | impl_neon.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_scal; 345| | return impl_neon; 346| | } 347| |#endif /* defined(SHUFFLE_NEON_ENABLED) */ 348| | 349| |#if defined(SHUFFLE_ALTIVEC_ENABLED) 350| | if (cpu_features & BLOSC_HAVE_ALTIVEC && is_shuffle_altivec && is_bshuf_altivec) { 351| | shuffle_implementation_t impl_altivec; 352| | impl_altivec.name = "altivec"; 353| | impl_altivec.shuffle = (shuffle_func)shuffle_altivec; 354| | impl_altivec.unshuffle = (unshuffle_func)unshuffle_altivec; 355| | impl_altivec.bitshuffle = (bitshuffle_func)bshuf_trans_bit_elem_altivec; 356| | impl_altivec.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_altivec; 357| | return impl_altivec; 358| | } 359| |#endif /* defined(SHUFFLE_ALTIVEC_ENABLED) */ 360| | 361| | /* Processor doesn't support any of the hardware-accelerated implementations, 362| | so use the generic implementation. */ 363| 0| shuffle_implementation_t impl_generic; 364| 0| impl_generic.name = "generic"; 365| 0| impl_generic.shuffle = (shuffle_func)shuffle_generic; 366| 0| impl_generic.unshuffle = (unshuffle_func)unshuffle_generic; 367| 0| impl_generic.bitshuffle = (bitshuffle_func)bshuf_trans_bit_elem_scal; 368| 0| impl_generic.bitunshuffle = (bitunshuffle_func)bshuf_untrans_bit_elem_scal; 369| 0| return impl_generic; 370| 0|} shuffle.c:blosc_get_cpu_features: 100| 1|static blosc_cpu_features blosc_get_cpu_features(void) { 101| 1| blosc_cpu_features cpu_features = BLOSC_HAVE_NOTHING; 102| 1| if (__builtin_cpu_supports("sse2")) { ------------------ | Branch (102:7): [True: 1, False: 0] ------------------ 103| 1| cpu_features |= BLOSC_HAVE_SSE2; 104| 1| } 105| 1| if (__builtin_cpu_supports("avx2")) { ------------------ | Branch (105:7): [True: 1, False: 0] ------------------ 106| 1| cpu_features |= BLOSC_HAVE_AVX2; 107| 1| } 108| 1| if (__builtin_cpu_supports("avx512f") && __builtin_cpu_supports("avx512bw")) { ------------------ | Branch (108:7): [True: 0, False: 1] | Branch (108:44): [True: 0, False: 0] ------------------ 109| 0| cpu_features |= BLOSC_HAVE_AVX512; 110| 0| } 111| 1| return cpu_features; 112| 1|} blosc2.c:print_error: 524| 1|static char *print_error(int rc) { 525| | // TODO: remove this function, use blosc2_error_string only 526| 1| return (char *) blosc2_error_string(rc); 527| 1|} ndmean.c:blosc2_meta_get: 2331| 4| int32_t *content_len) { 2332| 4| if (schunk == NULL || name == NULL || content == NULL || content_len == NULL) { ------------------ | Branch (2332:7): [True: 4, False: 0] | Branch (2332:25): [True: 0, False: 0] | Branch (2332:41): [True: 0, False: 0] | Branch (2332:60): [True: 0, False: 0] ------------------ 2333| 4| BLOSC_TRACE_ERROR("Invalid parameters."); ------------------ | | 93| 4|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 4| do { \ | | | | 98| 4| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 4| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 4, False: 0] | | | | ------------------ | | | | 100| 4| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2334| 4| return BLOSC2_ERROR_INVALID_PARAM; 2335| 4| } 2336| | 2337| 0| int nmetalayer = blosc2_meta_exists(schunk, name); 2338| 0| if (nmetalayer < 0) { ------------------ | Branch (2338:7): [True: 0, False: 0] ------------------ 2339| 0| BLOSC_TRACE_WARNING("Metalayer \"%s\" not found.", name); ------------------ | | 94| 0|#define BLOSC_TRACE_WARNING(msg, ...) BLOSC_TRACE(warning, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2340| 0| return nmetalayer; 2341| 0| } 2342| 0| int32_t len = schunk->metalayers[nmetalayer]->content_len; 2343| 0| if (len < 0) { ------------------ | Branch (2343:7): [True: 0, False: 0] ------------------ 2344| 0| BLOSC_TRACE_ERROR("Metalayer \"%s\" has corrupted content length %d.", name, len); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2345| 0| return BLOSC2_ERROR_DATA; 2346| 0| } 2347| 0| *content_len = len; 2348| 0| if (len == 0) { ------------------ | Branch (2348:7): [True: 0, False: 0] ------------------ 2349| 0| *content = NULL; 2350| 0| return nmetalayer; 2351| 0| } 2352| 0| *content = (uint8_t*)malloc((size_t)len); 2353| 0| if (*content == NULL) { ------------------ | Branch (2353:7): [True: 0, False: 0] ------------------ 2354| 0| BLOSC_TRACE_ERROR("Unable to allocate metalayer content buffer."); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2355| 0| *content_len = 0; 2356| 0| return BLOSC2_ERROR_MEMORY_ALLOC; 2357| 0| } 2358| 0| if (len > 0 && schunk->metalayers[nmetalayer]->content == NULL) { ------------------ | Branch (2358:7): [True: 0, False: 0] | Branch (2358:18): [True: 0, False: 0] ------------------ 2359| 0| free(*content); 2360| 0| *content = NULL; 2361| 0| *content_len = 0; 2362| 0| BLOSC_TRACE_ERROR("Metalayer \"%s\" has corrupted content pointer.", name); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 2363| 0| return BLOSC2_ERROR_DATA; 2364| 0| } 2365| 0| memcpy(*content, schunk->metalayers[nmetalayer]->content, (size_t)len); 2366| 0| return nmetalayer; 2367| 0|} bytedelta.c:print_error: 524| 1|static char *print_error(int rc) { 525| | // TODO: remove this function, use blosc2_error_string only 526| 1| return (char *) blosc2_error_string(rc); 527| 1|} register_codecs: 18| 3.19k|void register_codecs(void) { 19| | // May add .free func in future 20| | 21| 3.19k| blosc2_codec ndlz; 22| 3.19k| ndlz.compcode = BLOSC_CODEC_NDLZ; 23| 3.19k| ndlz.version = 1; 24| 3.19k| ndlz.complib = BLOSC_CODEC_NDLZ; 25| 3.19k| ndlz.encoder = &ndlz_compress; 26| 3.19k| ndlz.decoder = &ndlz_decompress; 27| 3.19k| ndlz.compname = "ndlz"; 28| | // ndlz.free = NULL; 29| 3.19k| register_codec_private(&ndlz); 30| | 31| 3.19k|#if defined(HAVE_ZFP) 32| 3.19k| blosc2_codec zfp_acc; 33| 3.19k| zfp_acc.compcode = BLOSC_CODEC_ZFP_FIXED_ACCURACY; 34| 3.19k| zfp_acc.version = 1; 35| 3.19k| zfp_acc.complib = BLOSC_CODEC_ZFP_FIXED_ACCURACY; 36| 3.19k| zfp_acc.encoder = &zfp_acc_compress; 37| 3.19k| zfp_acc.decoder = &zfp_acc_decompress; 38| | // zfp_acc.free = NULL; 39| 3.19k| zfp_acc.compname = "zfp_acc"; 40| 3.19k| register_codec_private(&zfp_acc); 41| | 42| 3.19k| blosc2_codec zfp_prec; 43| 3.19k| zfp_prec.compcode = BLOSC_CODEC_ZFP_FIXED_PRECISION; 44| 3.19k| zfp_prec.version = 1; 45| 3.19k| zfp_prec.complib = BLOSC_CODEC_ZFP_FIXED_PRECISION; 46| 3.19k| zfp_prec.encoder = &zfp_prec_compress; 47| 3.19k| zfp_prec.decoder = &zfp_prec_decompress; 48| | // zfp_prec.free = NULL; 49| 3.19k| zfp_prec.compname = "zfp_prec"; 50| 3.19k| register_codec_private(&zfp_prec); 51| | 52| 3.19k| blosc2_codec zfp_rate; 53| 3.19k| zfp_rate.compcode = BLOSC_CODEC_ZFP_FIXED_RATE; 54| 3.19k| zfp_rate.version = 1; 55| 3.19k| zfp_rate.complib = BLOSC_CODEC_ZFP_FIXED_RATE; 56| 3.19k| zfp_rate.encoder = &zfp_rate_compress; 57| 3.19k| zfp_rate.decoder = &zfp_rate_decompress; 58| 3.19k| zfp_rate.compname = "zfp_rate"; 59| | // zfp_rate.free = NULL; 60| 3.19k| register_codec_private(&zfp_rate); 61| 3.19k|#endif 62| | 63| 3.19k| blosc2_codec openhtj2k; 64| 3.19k| openhtj2k.compcode = BLOSC_CODEC_OPENHTJ2K; 65| 3.19k| openhtj2k.version = 1; 66| 3.19k| openhtj2k.complib = BLOSC_CODEC_OPENHTJ2K; 67| 3.19k| openhtj2k.encoder = NULL; 68| 3.19k| openhtj2k.decoder = NULL; 69| | // openhtj2k.free = NULL; 70| 3.19k| openhtj2k.compname = "openhtj2k"; 71| 3.19k| register_codec_private(&openhtj2k); 72| | 73| 3.19k| blosc2_codec grok; 74| 3.19k| grok.compcode = BLOSC_CODEC_GROK; 75| 3.19k| grok.version = 1; 76| 3.19k| grok.complib = BLOSC_CODEC_GROK; 77| 3.19k| grok.encoder = NULL; 78| 3.19k| grok.decoder = NULL; 79| | // grok.free = NULL; 80| 3.19k| grok.compname = "grok"; 81| 3.19k| register_codec_private(&grok); 82| | 83| 3.19k| blosc2_codec openzl; 84| 3.19k| openzl.compcode = BLOSC_CODEC_OPENZL; 85| 3.19k| openzl.version = 1; 86| 3.19k| openzl.complib = BLOSC_CODEC_OPENZL; 87| 3.19k| openzl.encoder = NULL; 88| 3.19k| openzl.decoder = NULL; 89| | // openzl.free = NULL; 90| 3.19k| openzl.compname = "openzl"; 91| 3.19k| register_codec_private(&openzl); 92| | 93| 3.19k| blosc2_codec j2k; 94| 3.19k| j2k.compcode = BLOSC_CODEC_J2K; 95| 3.19k| j2k.version = 1; 96| 3.19k| j2k.complib = BLOSC_CODEC_J2K; 97| 3.19k| j2k.encoder = NULL; 98| 3.19k| j2k.decoder = NULL; 99| | // j2k.free = NULL; 100| 3.19k| j2k.compname = "j2k"; 101| 3.19k| register_codec_private(&j2k); 102| | 103| 3.19k| blosc2_codec htj2k; 104| 3.19k| htj2k.compcode = BLOSC_CODEC_HTJ2K; 105| 3.19k| htj2k.version = 1; 106| 3.19k| htj2k.complib = BLOSC_CODEC_HTJ2K; 107| 3.19k| htj2k.encoder = NULL; 108| 3.19k| htj2k.decoder = NULL; 109| | // htj2k.free = NULL; 110| 3.19k| htj2k.compname = "htj2k"; 111| 3.19k| register_codec_private(&htj2k); 112| 3.19k|} ndlz_decompress: 42| 917| uint8_t meta, blosc2_dparams *dparams, const void *chunk) { 43| 917| NDLZ_ERROR_NULL(input); ------------------ | | 19| 917| do { \ | | 20| 917| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (20:9): [True: 0, False: 917] | | ------------------ | | 21| 0| return 0; \ | | 22| 0| } \ | | 23| 917| } while (0) | | ------------------ | | | Branch (23:12): [Folded, False: 917] | | ------------------ ------------------ 44| 917| NDLZ_ERROR_NULL(output); ------------------ | | 19| 917| do { \ | | 20| 917| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (20:9): [True: 0, False: 917] | | ------------------ | | 21| 0| return 0; \ | | 22| 0| } \ | | 23| 917| } while (0) | | ------------------ | | | Branch (23:12): [Folded, False: 917] | | ------------------ ------------------ 45| 917| NDLZ_ERROR_NULL(dparams); ------------------ | | 19| 917| do { \ | | 20| 917| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (20:9): [True: 0, False: 917] | | ------------------ | | 21| 0| return 0; \ | | 22| 0| } \ | | 23| 917| } while (0) | | ------------------ | | | Branch (23:12): [Folded, False: 917] | | ------------------ ------------------ 46| 917| BLOSC_UNUSED_PARAM(chunk); ------------------ | | 28| 917|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 47| | 48| 917| switch (meta) { 49| 681| case 4: ------------------ | Branch (49:5): [True: 681, False: 236] ------------------ 50| 681| return ndlz4_decompress(input, input_len, output, output_len, meta, dparams); 51| 233| case 8: ------------------ | Branch (51:5): [True: 233, False: 684] ------------------ 52| 233| return ndlz8_decompress(input, input_len, output, output_len, meta, dparams); 53| 3| default: ------------------ | Branch (53:5): [True: 3, False: 914] ------------------ 54| 3| BLOSC_TRACE_ERROR("NDLZ is not available for this cellsize: %d", meta); ------------------ | | 93| 3|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 3| do { \ | | | | 98| 3| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 3| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 3, False: 0] | | | | ------------------ | | | | 100| 3| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 55| 917| } 56| 3| return BLOSC2_ERROR_FAILURE; 57| 917|} ndlz4_decompress: 514| 681| uint8_t meta, blosc2_dparams *dparams) { 515| 681| BLOSC_UNUSED_PARAM(meta); ------------------ | | 28| 681|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 516| 681| BLOSC_UNUSED_PARAM(dparams); ------------------ | | 28| 681|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 517| 681| BLOSC_ERROR_NULL(input, BLOSC2_ERROR_NULL_POINTER); ------------------ | | 104| 681| do { \ | | 105| 681| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 681] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 681| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 681] | | ------------------ ------------------ 518| 681| BLOSC_ERROR_NULL(output, BLOSC2_ERROR_NULL_POINTER); ------------------ | | 104| 681| do { \ | | 105| 681| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 681] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 681| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 681] | | ------------------ ------------------ 519| | 520| 681| uint8_t *ip = (uint8_t *) input; 521| 681| uint8_t *ip_limit = ip + input_len; 522| 681| uint8_t *op = (uint8_t *) output; 523| 681| uint8_t ndim; 524| 681| int32_t blockshape[2]; 525| 681| int32_t eshape[2]; 526| 681| uint8_t *buffercpy; 527| 681| uint8_t local_buffer[16]; 528| 681| uint8_t token; 529| 681| if (NDLZ_UNEXPECT_CONDITIONAL(input_len < 8)) { ------------------ | | 30| 681|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 1, False: 680] | | ------------------ ------------------ 530| 1| return 0; 531| 1| } 532| | 533| | /* we start with literal copy */ 534| 680| ndim = *ip; 535| 680| ip++; 536| 680| if (ndim != 2) { ------------------ | Branch (536:7): [True: 0, False: 680] ------------------ 537| 0| BLOSC_TRACE_ERROR("This codec only works for ndim = 2"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 538| 0| return BLOSC2_ERROR_FAILURE; 539| 0| } 540| 680| memcpy(&blockshape[0], ip, 4); 541| 680| ip += 4; 542| 680| memcpy(&blockshape[1], ip, 4); 543| 680| ip += 4; 544| | 545| | // Sanity check. See https://www.cve.org/CVERecord?id=CVE-2024-3204 546| 680| if (output_len < 0 || blockshape[0] < 0 || blockshape[1] < 0) { ------------------ | Branch (546:7): [True: 0, False: 680] | Branch (546:25): [True: 0, False: 680] | Branch (546:46): [True: 0, False: 680] ------------------ 547| 0| BLOSC_TRACE_ERROR("Output length or blockshape is negative"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 548| 0| return BLOSC2_ERROR_FAILURE; 549| 0| } 550| | 551| 680| eshape[0] = ((blockshape[0] + 3) / 4) * 4; 552| 680| eshape[1] = ((blockshape[1] + 3) / 4) * 4; 553| | 554| 680| if (NDLZ_UNEXPECT_CONDITIONAL((int64_t)output_len < (int64_t)blockshape[0] * (int64_t)blockshape[1])) { ------------------ | | 30| 680|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 8, False: 672] | | ------------------ ------------------ 555| 8| BLOSC_TRACE_ERROR("The blockshape is bigger than the output buffer"); ------------------ | | 93| 8|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 8| do { \ | | | | 98| 8| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 8| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 8, False: 0] | | | | ------------------ | | | | 100| 8| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 556| 8| return 0; 557| 8| } 558| 672| memset(op, 0, blockshape[0] * blockshape[1]); 559| | 560| 672| uint32_t i_stop[2]; 561| 2.01k| for (int i = 0; i < 2; ++i) { ------------------ | Branch (561:19): [True: 1.34k, False: 672] ------------------ 562| 1.34k| i_stop[i] = eshape[i] / 4; 563| 1.34k| } 564| | 565| | /* main loop */ 566| 672| uint32_t ii[2]; 567| 672| uint32_t padding[2] = {0}; 568| 672| uint32_t ind = 0; 569| 672| uint8_t cell_aux[16]; 570| 33.5M| for (ii[0] = 0; ii[0] < i_stop[0]; ++ii[0]) { ------------------ | Branch (570:19): [True: 33.5M, False: 672] ------------------ 571| 33.5M| for (ii[1] = 0; ii[1] < i_stop[1]; ++ii[1]) { // for each cell ------------------ | Branch (571:21): [True: 1.34k, False: 33.5M] ------------------ 572| 1.34k| if (NDLZ_UNEXPECT_CONDITIONAL(ip > ip_limit)) { ------------------ | | 30| 1.34k|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 0, False: 1.34k] | | ------------------ ------------------ 573| 0| BLOSC_TRACE_ERROR("Exceeding input length"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 574| 0| return BLOSC2_ERROR_FAILURE; 575| 0| } 576| 1.34k| if (ii[0] == i_stop[0] - 1) { ------------------ | Branch (576:11): [True: 1.13k, False: 210] ------------------ 577| 1.13k| padding[0] = (blockshape[0] % 4 == 0) ? 4 : blockshape[0] % 4; ------------------ | Branch (577:22): [True: 42, False: 1.09k] ------------------ 578| 1.13k| } else { 579| 210| padding[0] = 4; 580| 210| } 581| 1.34k| if (ii[1] == i_stop[1] - 1) { ------------------ | Branch (581:11): [True: 881, False: 466] ------------------ 582| 881| padding[1] = (blockshape[1] % 4 == 0) ? 4 : blockshape[1] % 4; ------------------ | Branch (582:22): [True: 67, False: 814] ------------------ 583| 881| } else { 584| 466| padding[1] = 4; 585| 466| } 586| 1.34k| token = *ip++; 587| 1.34k| if (token == 0) { // no match ------------------ | Branch (587:11): [True: 85, False: 1.26k] ------------------ 588| 85| buffercpy = ip; 589| 85| ip += padding[0] * padding[1]; 590| 1.26k| } else if (token == (uint8_t) ((1U << 7U) | (1U << 6U))) { // cell match ------------------ | Branch (590:18): [True: 144, False: 1.11k] ------------------ 591| 144| uint16_t offset = *((uint16_t *) ip); 592| 144| buffercpy = ip - offset - 1; 593| 144| ip += 2; 594| 1.11k| } else if (token == (uint8_t) (1U << 6U)) { // whole cell of same element ------------------ | Branch (594:18): [True: 51, False: 1.06k] ------------------ 595| 51| buffercpy = cell_aux; 596| 51| memset(buffercpy, *ip, 16); 597| 51| ip++; 598| 1.06k| } else if (token >= 224) { // three rows match ------------------ | Branch (598:18): [True: 300, False: 767] ------------------ 599| 300| buffercpy = local_buffer; 600| 300| uint16_t offset = *((uint16_t *) ip); 601| 300| offset += 3; 602| 300| ip += 2; 603| 300| int i, j, k; 604| 300| if ((token >> 3U) == 28) { ------------------ | Branch (604:13): [True: 76, False: 224] ------------------ 605| 76| i = 1; 606| 76| j = 2; 607| 76| k = 3; 608| 224| } else { 609| 224| i = 0; 610| 224| if ((token >> 3U) < 30) { ------------------ | Branch (610:15): [True: 75, False: 149] ------------------ 611| 75| j = 1; 612| 75| k = 2; 613| 149| } else { 614| 149| k = 3; 615| 149| if ((token >> 3U) == 30) { ------------------ | Branch (615:17): [True: 69, False: 80] ------------------ 616| 69| j = 1; 617| 80| } else { 618| 80| j = 2; 619| 80| } 620| 149| } 621| 224| } 622| 300| memcpy(&buffercpy[i * 4], ip - offset, 4); 623| 300| memcpy(&buffercpy[j * 4], ip - offset + 4, 4); 624| 300| memcpy(&buffercpy[k * 4], ip - offset + 8, 4); 625| 743| for (int l = 0; l < 4; l++) { ------------------ | Branch (625:25): [True: 743, False: 0] ------------------ 626| 743| if ((l != i) && (l != j) && (l != k)) { ------------------ | Branch (626:15): [True: 519, False: 224] | Branch (626:27): [True: 375, False: 144] | Branch (626:39): [True: 300, False: 75] ------------------ 627| 300| memcpy(&buffercpy[l * 4], ip, 4); 628| 300| ip += 4; 629| 300| break; 630| 300| } 631| 743| } 632| | 633| 767| } else if ((token >= 128) && (token <= 191)) { // rows pair match ------------------ | Branch (633:18): [True: 511, False: 256] | Branch (633:36): [True: 511, False: 0] ------------------ 634| 511| buffercpy = local_buffer; 635| 511| uint16_t offset = *((uint16_t *) ip); 636| 511| offset += 3; 637| 511| ip += 2; 638| 511| int i, j; 639| 511| if (token == 128) { ------------------ | Branch (639:13): [True: 72, False: 439] ------------------ 640| 72| i = 2; 641| 72| j = 3; 642| 439| } else { 643| 439| i = (token - 128) >> 5U; 644| 439| j = ((token - 128) >> 3U) - (i << 2U); 645| 439| } 646| 511| memcpy(&buffercpy[i * 4], ip - offset, 4); 647| 511| memcpy(&buffercpy[j * 4], ip - offset + 4, 4); 648| 2.55k| for (int k = 0; k < 4; k++) { ------------------ | Branch (648:25): [True: 2.04k, False: 511] ------------------ 649| 2.04k| if ((k != i) && (k != j)) { ------------------ | Branch (649:15): [True: 1.53k, False: 511] | Branch (649:27): [True: 1.02k, False: 511] ------------------ 650| 1.02k| memcpy(&buffercpy[k * 4], ip, 4); 651| 1.02k| ip += 4; 652| 1.02k| } 653| 2.04k| } 654| 511| } else if ((token >= 40) && (token <= 63)) { // 2 rows pair matches ------------------ | Branch (654:18): [True: 256, False: 0] | Branch (654:35): [True: 256, False: 0] ------------------ 655| 256| buffercpy = local_buffer; 656| 256| uint16_t offset_1 = *((uint16_t *) ip); 657| 256| offset_1 += 5; 658| 256| ip += 2; 659| 256| uint16_t offset_2 = *((uint16_t *) ip); 660| 256| offset_2 += 5; 661| 256| ip += 2; 662| 256| int i, j, k, l, m; 663| 256| i = 0; 664| 256| j = ((token - 32) >> 3U); 665| 256| l = -1; 666| 1.02k| for (k = 1; k < 4; k++) { ------------------ | Branch (666:21): [True: 768, False: 256] ------------------ 667| 768| if ((k != i) && (k != j)) { ------------------ | Branch (667:15): [True: 768, False: 0] | Branch (667:27): [True: 512, False: 256] ------------------ 668| 512| if (l == -1) { ------------------ | Branch (668:17): [True: 256, False: 256] ------------------ 669| 256| l = k; 670| 256| } else { 671| 256| m = k; 672| 256| } 673| 512| } 674| 768| } 675| 256| memcpy(&buffercpy[i * 4], ip - offset_1, 4); 676| 256| memcpy(&buffercpy[j * 4], ip - offset_1 + 4, 4); 677| 256| memcpy(&buffercpy[l * 4], ip - offset_2, 4); 678| 256| memcpy(&buffercpy[m * 4], ip - offset_2 + 4, 4); 679| | 680| 256| } else { 681| 0| BLOSC_TRACE_ERROR("Invalid token: %u at cell [%d, %d]\n", token, ii[0], ii[1]); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 682| 0| return BLOSC2_ERROR_FAILURE; 683| 0| } 684| | // fill op with buffercpy 685| 1.34k| uint32_t orig = ii[0] * 4 * blockshape[1] + ii[1] * 4; 686| 6.73k| for (uint32_t i = 0; i < 4; i++) { ------------------ | Branch (686:28): [True: 5.38k, False: 1.34k] ------------------ 687| 5.38k| if (i < padding[0]) { ------------------ | Branch (687:13): [True: 2.45k, False: 2.93k] ------------------ 688| 2.45k| ind = orig + i * blockshape[1]; 689| 2.45k| memcpy(&op[ind], buffercpy, padding[1]); 690| 2.45k| } 691| 5.38k| buffercpy += padding[1]; 692| 5.38k| } 693| 1.34k| if (ind > (uint32_t) output_len) { ------------------ | Branch (693:11): [True: 0, False: 1.34k] ------------------ 694| 0| BLOSC_TRACE_ERROR("Exceeding output size"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 695| 0| return BLOSC2_ERROR_FAILURE; 696| 0| } 697| 1.34k| } 698| 33.5M| } 699| 672| ind += padding[1]; 700| | 701| 672| if ((int32_t)ind != (blockshape[0] * blockshape[1])) { ------------------ | Branch (701:7): [True: 0, False: 672] ------------------ 702| 0| BLOSC_TRACE_ERROR("Output size is not compatible with embedded blockshape"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 703| 0| return BLOSC2_ERROR_FAILURE; 704| 0| } 705| 672| if (ind > (uint32_t) output_len) { ------------------ | Branch (705:7): [True: 0, False: 672] ------------------ 706| 0| BLOSC_TRACE_ERROR("Exceeding output size"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 707| 0| return BLOSC2_ERROR_FAILURE; 708| 0| } 709| | 710| 672| return (int) ind; 711| 672|} ndlz8_decompress: 431| 233| uint8_t meta, blosc2_dparams *dparams) { 432| 233| BLOSC_UNUSED_PARAM(meta); ------------------ | | 28| 233|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 433| 233| BLOSC_UNUSED_PARAM(dparams); ------------------ | | 28| 233|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 434| 233| BLOSC_ERROR_NULL(input, BLOSC2_ERROR_NULL_POINTER); ------------------ | | 104| 233| do { \ | | 105| 233| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 233] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 233| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 233] | | ------------------ ------------------ 435| 233| BLOSC_ERROR_NULL(output, BLOSC2_ERROR_NULL_POINTER); ------------------ | | 104| 233| do { \ | | 105| 233| if ((pointer) == NULL) { \ | | ------------------ | | | Branch (105:13): [True: 0, False: 233] | | ------------------ | | 106| 0| BLOSC_TRACE_ERROR("Pointer is null"); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 107| 0| return (rc); \ | | 108| 0| } \ | | 109| 233| } while (0) | | ------------------ | | | Branch (109:14): [Folded, False: 233] | | ------------------ ------------------ 436| | 437| 233| const int cell_shape = 8; 438| 233| const int cell_size = 64; 439| 233| uint8_t *ip = (uint8_t *) input; 440| 233| uint8_t *ip_limit = ip + input_len; 441| 233| uint8_t *op = (uint8_t *) output; 442| 233| uint8_t ndim; 443| 233| int32_t blockshape[2]; 444| 233| int32_t eshape[2]; 445| 233| uint8_t *buffercpy; 446| 233| uint8_t token; 447| 233| if (NDLZ_UNEXPECT_CONDITIONAL(input_len < 8)) { ------------------ | | 30| 233|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 1, False: 232] | | ------------------ ------------------ 448| 1| return 0; 449| 1| } 450| | 451| | /* we start with literal copy */ 452| 232| ndim = *ip; 453| 232| ip++; 454| 232| if (ndim != 2) { ------------------ | Branch (454:7): [True: 0, False: 232] ------------------ 455| 0| BLOSC_TRACE_ERROR("This codec only works for ndim = 2"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 456| 0| return BLOSC2_ERROR_FAILURE; 457| 0| } 458| 232| memcpy(&blockshape[0], ip, 4); 459| 232| ip += 4; 460| 232| memcpy(&blockshape[1], ip, 4); 461| 232| ip += 4; 462| | 463| | // Sanity check. See https://www.cve.org/CVERecord?id=CVE-2024-3203 464| 232| if (output_len < 0 || blockshape[0] < 0 || blockshape[1] < 0) { ------------------ | Branch (464:7): [True: 0, False: 232] | Branch (464:25): [True: 0, False: 232] | Branch (464:46): [True: 0, False: 232] ------------------ 465| 0| BLOSC_TRACE_ERROR("Output length or blockshape is negative"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 466| 0| return BLOSC2_ERROR_FAILURE; 467| 0| } 468| | 469| 232| eshape[0] = ((blockshape[0] + 7) / cell_shape) * cell_shape; 470| 232| eshape[1] = ((blockshape[1] + 7) / cell_shape) * cell_shape; 471| | 472| 232| if (NDLZ_UNEXPECT_CONDITIONAL((int64_t)output_len < (int64_t)blockshape[0] * (int64_t)blockshape[1])) { ------------------ | | 30| 232|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 3, False: 229] | | ------------------ ------------------ 473| 3| BLOSC_TRACE_ERROR("The blockshape is bigger than the output buffer"); ------------------ | | 93| 3|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 3| do { \ | | | | 98| 3| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 3| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 3, False: 0] | | | | ------------------ | | | | 100| 3| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 474| 3| return 0; 475| 3| } 476| 229| memset(op, 0, blockshape[0] * blockshape[1]); 477| | 478| 229| int32_t i_stop[2]; 479| 687| for (int i = 0; i < 2; ++i) { ------------------ | Branch (479:19): [True: 458, False: 229] ------------------ 480| 458| i_stop[i] = eshape[i] / cell_shape; 481| 458| } 482| | 483| | /* main loop */ 484| 229| int32_t ii[2]; 485| 229| int32_t padding[2] = {0}; 486| 229| int32_t ind = 0; 487| 229| uint8_t *local_buffer = malloc(cell_size); 488| 229| uint8_t *cell_aux = malloc(cell_size); 489| 470| for (ii[0] = 0; ii[0] < i_stop[0]; ++ii[0]) { ------------------ | Branch (489:19): [True: 246, False: 224] ------------------ 490| 496| for (ii[1] = 0; ii[1] < i_stop[1]; ++ii[1]) { // for each cell ------------------ | Branch (490:21): [True: 255, False: 241] ------------------ 491| 255| if (NDLZ_UNEXPECT_CONDITIONAL(ip > ip_limit)) { ------------------ | | 30| 255|#define NDLZ_UNEXPECT_CONDITIONAL(c) (__builtin_expect((c), 0)) | | ------------------ | | | Branch (30:39): [True: 1, False: 254] | | ------------------ ------------------ 492| 1| free(local_buffer); 493| 1| free(cell_aux); 494| 1| BLOSC_TRACE_ERROR("Exceeding input length"); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 495| 1| return BLOSC2_ERROR_FAILURE; 496| 1| } 497| 254| if (ii[0] == i_stop[0] - 1) { ------------------ | Branch (497:11): [True: 236, False: 18] ------------------ 498| 236| padding[0] = (blockshape[0] % cell_shape == 0) ? cell_shape : blockshape[0] % cell_shape; ------------------ | Branch (498:22): [True: 10, False: 226] ------------------ 499| 236| } else { 500| 18| padding[0] = cell_shape; 501| 18| } 502| 254| if (ii[1] == i_stop[1] - 1) { ------------------ | Branch (502:11): [True: 243, False: 11] ------------------ 503| 243| padding[1] = (blockshape[1] % cell_shape == 0) ? cell_shape : blockshape[1] % cell_shape; ------------------ | Branch (503:22): [True: 9, False: 234] ------------------ 504| 243| } else { 505| 11| padding[1] = cell_shape; 506| 11| } 507| 254| token = *ip++; 508| 254| uint8_t match_type = (token >> 3U); 509| 254| if (token == 0) { // no match ------------------ | Branch (509:11): [True: 70, False: 184] ------------------ 510| 70| buffercpy = ip; 511| 70| ip += padding[0] * padding[1]; 512| 184| } else if (token == (uint8_t) ((1U << 7U) | (1U << 6U))) { // cell match ------------------ | Branch (512:18): [True: 73, False: 111] ------------------ 513| 73| uint16_t offset = *((uint16_t *) ip); 514| 73| buffercpy = ip - offset - 1; 515| 73| ip += 2; 516| 111| } else if (token == (uint8_t) (1U << 6U)) { // whole cell of same element ------------------ | Branch (516:18): [True: 103, False: 8] ------------------ 517| 103| buffercpy = cell_aux; 518| 103| memset(buffercpy, *ip, cell_size); 519| 103| ip++; 520| 103| } else if (match_type == 21) { // triple match ------------------ | Branch (520:18): [True: 2, False: 6] ------------------ 521| 2| buffercpy = local_buffer; 522| 2| int row = (int) (token & 7); 523| 2| if (row + 2 >= cell_shape) { ------------------ | Branch (523:13): [True: 0, False: 2] ------------------ 524| 0| free(local_buffer); 525| 0| free(cell_aux); 526| 0| BLOSC_TRACE_ERROR("Triple match row out of bounds"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 527| 0| return BLOSC2_ERROR_FAILURE; 528| 0| } 529| 2| uint16_t offset = *((uint16_t *) ip); 530| 2| ip += 2; 531| 8| for (int l = 0; l < 3; l++) { ------------------ | Branch (531:25): [True: 6, False: 2] ------------------ 532| 6| memcpy(&buffercpy[(row + l) * cell_shape], 533| 6| ip - sizeof(token) - sizeof(offset) - offset + l * cell_shape, cell_shape); 534| 6| } 535| 18| for (int l = 0; l < cell_shape; l++) { ------------------ | Branch (535:25): [True: 16, False: 2] ------------------ 536| 16| if ((l < row) || (l > row + 2)) { ------------------ | Branch (536:15): [True: 2, False: 14] | Branch (536:28): [True: 8, False: 6] ------------------ 537| 10| memcpy(&buffercpy[l * cell_shape], ip, cell_shape); 538| 10| ip += cell_shape; 539| 10| } 540| 16| } 541| 6| } else if (match_type == 17) { // pair match ------------------ | Branch (541:18): [True: 2, False: 4] ------------------ 542| 2| buffercpy = local_buffer; 543| 2| int row = (int) (token & 7); 544| 2| if (row + 1 >= cell_shape) { ------------------ | Branch (544:13): [True: 0, False: 2] ------------------ 545| 0| free(local_buffer); 546| 0| free(cell_aux); 547| 0| BLOSC_TRACE_ERROR("Pair match row out of bounds"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 548| 0| return BLOSC2_ERROR_FAILURE; 549| 0| } 550| 2| uint16_t offset = *((uint16_t *) ip); 551| 2| ip += 2; 552| 6| for (int l = 0; l < 2; l++) { ------------------ | Branch (552:25): [True: 4, False: 2] ------------------ 553| 4| memcpy(&buffercpy[(row + l) * cell_shape], 554| 4| ip - sizeof(token) - sizeof(offset) - offset + l * cell_shape, cell_shape); 555| 4| } 556| 18| for (int l = 0; l < cell_shape; l++) { ------------------ | Branch (556:25): [True: 16, False: 2] ------------------ 557| 16| if ((l < row) || (l > row + 1)) { ------------------ | Branch (557:15): [True: 8, False: 8] | Branch (557:28): [True: 4, False: 4] ------------------ 558| 12| memcpy(&buffercpy[l * cell_shape], ip, cell_shape); 559| 12| ip += cell_shape; 560| 12| } 561| 16| } 562| 4| } else { 563| 4| free(local_buffer); 564| 4| free(cell_aux); 565| 4| BLOSC_TRACE_ERROR("Invalid token: %u at cell [%d, %d]\n", token, ii[0], ii[1]); ------------------ | | 93| 4|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 4| do { \ | | | | 98| 4| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 4| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 4, False: 0] | | | | ------------------ | | | | 100| 4| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 566| 4| return BLOSC2_ERROR_FAILURE; 567| 4| } 568| | 569| 250| int32_t orig = ii[0] * cell_shape * blockshape[1] + ii[1] * cell_shape; 570| 2.25k| for (int32_t i = 0; i < (int32_t) cell_shape; i++) { ------------------ | Branch (570:27): [True: 2.00k, False: 250] ------------------ 571| 2.00k| if (i < padding[0]) { ------------------ | Branch (571:13): [True: 1.23k, False: 770] ------------------ 572| 1.23k| ind = orig + i * blockshape[1]; 573| 1.23k| memcpy(&op[ind], buffercpy, padding[1]); 574| 1.23k| } 575| 2.00k| buffercpy += padding[1]; 576| 2.00k| } 577| 250| if (ind > output_len) { ------------------ | Branch (577:11): [True: 0, False: 250] ------------------ 578| 0| free(local_buffer); 579| 0| free(cell_aux); 580| 0| BLOSC_TRACE_ERROR("Exceeding output size"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 581| 0| return BLOSC2_ERROR_FAILURE; 582| 0| } 583| 250| } 584| 246| } 585| 224| ind += padding[1]; 586| | 587| 224| free(cell_aux); 588| 224| free(local_buffer); 589| | 590| 224| if (ind != (blockshape[0] * blockshape[1])) { ------------------ | Branch (590:7): [True: 0, False: 224] ------------------ 591| 0| BLOSC_TRACE_ERROR("Output size is not compatible with embedded blockshape"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 592| 0| return BLOSC2_ERROR_FAILURE; 593| 0| } 594| 224| if (ind > output_len) { ------------------ | Branch (594:7): [True: 0, False: 224] ------------------ 595| 0| BLOSC_TRACE_ERROR("Exceeding output size"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 596| 0| return BLOSC2_ERROR_FAILURE; 597| 0| } 598| | 599| 224| return (int) ind; 600| 224|} simd_load: 33| 12.1k|bytes16 simd_load(const void* ptr) { return _mm_loadu_si128((const __m128i*)ptr); } simd_store: 34| 12.1k|void simd_store(void* ptr, bytes16 x) { _mm_storeu_si128((__m128i*)ptr, x); } simd_add: 37| 12.1k|bytes16 simd_add(bytes16 a, bytes16 b) { return _mm_add_epi8(a, b); } simd_duplane15: 39| 12.1k|bytes16 simd_duplane15(bytes16 x) { return _mm_shuffle_epi8(x, _mm_set1_epi8(15)); } simd_prefix_sum: 42| 12.1k|{ 43| | // Sklansky-style sum from https://gist.github.com/rygorous/4212be0cd009584e4184e641ca210528 44| 12.1k| x = _mm_add_epi8(x, _mm_slli_epi64(x, 8)); 45| 12.1k| x = _mm_add_epi8(x, _mm_slli_epi64(x, 16)); 46| 12.1k| x = _mm_add_epi8(x, _mm_slli_epi64(x, 32)); 47| 12.1k| x = _mm_add_epi8(x, _mm_shuffle_epi8(x, _mm_setr_epi8(-1,-1,-1,-1,-1,-1,-1,-1,7,7,7,7,7,7,7,7))); 48| 12.1k| return x; 49| 12.1k|} simd_get_last: 51| 1.63k|uint8_t simd_get_last(bytes16 x) { return (_mm_extract_epi16(x, 7) >> 8) & 0xFF; } bytedelta_backward: 133| 908| blosc2_dparams *dparams, uint8_t id) { 134| 908| BLOSC_UNUSED_PARAM(id); ------------------ | | 28| 908|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 135| | 136| 908| int typesize = meta; 137| 908| if (typesize == 0) { ------------------ | Branch (137:7): [True: 1, False: 907] ------------------ 138| 1| if (dparams->schunk == NULL) { ------------------ | Branch (138:9): [True: 1, False: 0] ------------------ 139| 1| BLOSC_TRACE_ERROR("When meta is 0, you need to be on a schunk!"); ------------------ | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 1| do { \ | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 1| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 1, False: 0] | | | | ------------------ | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 140| 1| BLOSC_ERROR(BLOSC2_ERROR_FAILURE); ------------------ | | 111| 1| do { \ | | 112| 1| int rc_ = (rc); \ | | 113| 1| if (rc_ < BLOSC2_ERROR_SUCCESS) { \ | | ------------------ | | | Branch (113:13): [True: 1, False: 0] | | ------------------ | | 114| 1| char *error_msg = print_error(rc_); \ | | 115| 1| BLOSC_TRACE_ERROR("%s", error_msg); \ | | ------------------ | | | | 93| 1|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 1| do { \ | | | | | | 98| 1| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 1| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 1, False: 0] | | | | | | ------------------ | | | | | | 100| 1| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 116| 1| return rc_; \ | | 117| 1| } \ | | 118| 1| } while (0) | | ------------------ | | | Branch (118:14): [Folded, False: 0] | | ------------------ ------------------ 141| 1| } 142| 0| blosc2_schunk* schunk = (blosc2_schunk*)(dparams->schunk); 143| 0| typesize = schunk->typesize; 144| 0| } 145| | 146| 907| const int stream_len = length / typesize; 147| 89.9k| for (int ich = 0; ich < typesize; ++ich) { ------------------ | Branch (147:21): [True: 89.0k, False: 907] ------------------ 148| 89.0k| int ip = 0; 149| 89.0k| uint8_t _v2 = 0; 150| | // SIMD fetch 16 bytes from each channel, prefix-sum un-delta 151| 89.0k|#if defined(CPU_HAS_SIMD) 152| 89.0k| bytes16 v2 = {0}; 153| 92.0k| for (; ip < stream_len - 15; ip += 16) { ------------------ | Branch (153:12): [True: 3.00k, False: 89.0k] ------------------ 154| 3.00k| bytes16 v = simd_load(input); 155| 3.00k| input += 16; 156| | // un-delta via prefix sum 157| 3.00k| v2 = simd_add(simd_prefix_sum(v), simd_duplane15(v2)); 158| 3.00k| simd_store(output, v2); 159| 3.00k| output += 16; 160| 3.00k| } 161| 89.0k| if (stream_len > 15) { ------------------ | Branch (161:9): [True: 1.63k, False: 87.3k] ------------------ 162| 1.63k| _v2 = simd_get_last(v2); 163| 1.63k| } 164| 89.0k|#endif // #if defined(CPU_HAS_SIMD) 165| | // scalar leftover 166| 104k| for (; ip < stream_len; ip++) { ------------------ | Branch (166:12): [True: 15.0k, False: 89.0k] ------------------ 167| 15.0k| uint8_t v = *input + _v2; 168| 15.0k| input++; 169| 15.0k| *output = v; 170| 15.0k| output++; 171| 15.0k| _v2 = v; 172| 15.0k| } 173| 89.0k| } 174| | 175| 907| return BLOSC2_ERROR_SUCCESS; 176| 908|} bytedelta_backward_buggy: 226| 420| uint8_t meta, blosc2_dparams *dparams, uint8_t id) { 227| 420| BLOSC_UNUSED_PARAM(id); ------------------ | | 28| 420|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 228| | 229| 420| int typesize = meta; 230| 420| if (typesize == 0) { ------------------ | Branch (230:7): [True: 0, False: 420] ------------------ 231| 0| if (dparams->schunk == NULL) { ------------------ | Branch (231:9): [True: 0, False: 0] ------------------ 232| 0| BLOSC_TRACE_ERROR("When meta is 0, you need to be on a schunk!"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 233| 0| BLOSC_ERROR(BLOSC2_ERROR_FAILURE); ------------------ | | 111| 0| do { \ | | 112| 0| int rc_ = (rc); \ | | 113| 0| if (rc_ < BLOSC2_ERROR_SUCCESS) { \ | | ------------------ | | | Branch (113:13): [True: 0, False: 0] | | ------------------ | | 114| 0| char *error_msg = print_error(rc_); \ | | 115| 0| BLOSC_TRACE_ERROR("%s", error_msg); \ | | ------------------ | | | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | | | ------------------ | | | | | | 97| 0| do { \ | | | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | | | 99| 0| if (!__e) { break; } \ | | | | | | ------------------ | | | | | | | Branch (99:13): [True: 0, False: 0] | | | | | | ------------------ | | | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | | | 101| 0| } while(0) | | | | | | ------------------ | | | | | | | Branch (101:13): [Folded, False: 0] | | | | | | ------------------ | | | | ------------------ | | ------------------ | | 116| 0| return rc_; \ | | 117| 0| } \ | | 118| 0| } while (0) | | ------------------ | | | Branch (118:14): [Folded, False: 0] | | ------------------ ------------------ 234| 0| } 235| 0| blosc2_schunk* schunk = (blosc2_schunk*)(dparams->schunk); 236| 0| typesize = schunk->typesize; 237| 0| } 238| | 239| 420| const int stream_len = length / typesize; 240| 30.0k| for (int ich = 0; ich < typesize; ++ich) { ------------------ | Branch (240:21): [True: 29.5k, False: 420] ------------------ 241| 29.5k| int ip = 0; 242| | // SIMD fetch 16 bytes from each channel, prefix-sum un-delta 243| 29.5k|#if defined(CPU_HAS_SIMD) 244| 29.5k| bytes16 v2 = {0}; 245| 38.7k| for (; ip < stream_len - 15; ip += 16) { ------------------ | Branch (245:12): [True: 9.16k, False: 29.5k] ------------------ 246| 9.16k| bytes16 v = simd_load(input); 247| 9.16k| input += 16; 248| | // un-delta via prefix sum 249| 9.16k| v2 = simd_add(simd_prefix_sum(v), simd_duplane15(v2)); 250| 9.16k| simd_store(output, v2); 251| 9.16k| output += 16; 252| 9.16k| } 253| 29.5k|#endif // #if defined(CPU_HAS_SIMD) 254| | // scalar leftover 255| 29.5k| uint8_t _v2 = 0; 256| 43.0k| for (; ip < stream_len; ip++) { ------------------ | Branch (256:12): [True: 13.4k, False: 29.5k] ------------------ 257| 13.4k| uint8_t v = *input + _v2; 258| 13.4k| input++; 259| 13.4k| *output = v; 260| 13.4k| output++; 261| 13.4k| _v2 = v; 262| 13.4k| } 263| 29.5k| } 264| | 265| 420| return BLOSC2_ERROR_SUCCESS; 266| 420|} register_filters: 15| 3.19k|void register_filters(void) { 16| | 17| 3.19k| blosc2_filter ndcell; 18| 3.19k| ndcell.id = BLOSC_FILTER_NDCELL; 19| 3.19k| ndcell.name = "ndcell"; 20| 3.19k| ndcell.version = 1; 21| 3.19k| ndcell.forward = &ndcell_forward; 22| 3.19k| ndcell.backward = &ndcell_backward; 23| 3.19k| register_filter_private(&ndcell); 24| | 25| 3.19k| blosc2_filter ndmean; 26| 3.19k| ndmean.id = BLOSC_FILTER_NDMEAN; 27| 3.19k| ndmean.name = "ndmean"; 28| 3.19k| ndmean.version = 1; 29| 3.19k| ndmean.forward = &ndmean_forward; 30| 3.19k| ndmean.backward = &ndmean_backward; 31| 3.19k| register_filter_private(&ndmean); 32| | 33| | // Buggy version. See #524 34| 3.19k| blosc2_filter bytedelta_buggy; 35| 3.19k| bytedelta_buggy.id = BLOSC_FILTER_BYTEDELTA_BUGGY; 36| 3.19k| bytedelta_buggy.name = "bytedelta_buggy"; 37| 3.19k| bytedelta_buggy.version = 1; 38| 3.19k| bytedelta_buggy.forward = &bytedelta_forward_buggy; 39| 3.19k| bytedelta_buggy.backward = &bytedelta_backward_buggy; 40| 3.19k| register_filter_private(&bytedelta_buggy); 41| | 42| | // Fixed version. See #524 43| 3.19k| blosc2_filter bytedelta; 44| 3.19k| bytedelta.id = BLOSC_FILTER_BYTEDELTA; 45| 3.19k| bytedelta.name = "bytedelta"; 46| 3.19k| bytedelta.version = 1; 47| 3.19k| bytedelta.forward = &bytedelta_forward; 48| 3.19k| bytedelta.backward = &bytedelta_backward; 49| 3.19k| register_filter_private(&bytedelta); 50| | 51| 3.19k| blosc2_filter int_trunc; 52| 3.19k| int_trunc.id = BLOSC_FILTER_INT_TRUNC; 53| 3.19k| int_trunc.name = "int_trunc"; 54| 3.19k| int_trunc.version = 1; 55| 3.19k| int_trunc.forward = &int_trunc_forward; 56| 3.19k| int_trunc.backward = &int_trunc_backward; 57| 3.19k| register_filter_private(&int_trunc); 58| | 59| 3.19k|} int_trunc_backward: 117| 1.53k| blosc2_dparams *dparams, uint8_t id) { 118| 1.53k| BLOSC_UNUSED_PARAM(id); ------------------ | | 28| 1.53k|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 119| 1.53k| BLOSC_UNUSED_PARAM(dparams); ------------------ | | 28| 1.53k|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 120| 1.53k| BLOSC_UNUSED_PARAM(meta); ------------------ | | 28| 1.53k|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 121| | 122| | // Do a copy of the input buffer (truncation is lossy and cannot be reversed) 123| 1.53k| memcpy(output, input, length); 124| 1.53k| return BLOSC2_ERROR_SUCCESS; 125| 1.53k|} ndmean_backward: 194| 4| uint8_t id) { 195| 4| BLOSC_UNUSED_PARAM(id); ------------------ | | 28| 4|#define BLOSC_UNUSED_PARAM(x) ((void)(x)) ------------------ 196| 4| blosc2_schunk *schunk = dparams->schunk; 197| 4| int8_t ndim; 198| 4| int64_t *shape = malloc(8 * sizeof(int64_t)); 199| 4| int32_t *chunkshape = malloc(8 * sizeof(int32_t)); 200| 4| int32_t *blockshape = malloc(8 * sizeof(int32_t)); 201| 4| uint8_t *smeta; 202| 4| int32_t smeta_len; 203| 4| if (blosc2_meta_get(schunk, "b2nd", &smeta, &smeta_len) < 0) { ------------------ | Branch (203:7): [True: 4, False: 0] ------------------ 204| 4| free(shape); 205| 4| free(chunkshape); 206| 4| free(blockshape); 207| 4| BLOSC_TRACE_ERROR("b2nd layer not found!"); ------------------ | | 93| 4|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 4| do { \ | | | | 98| 4| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 4| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 4, False: 0] | | | | ------------------ | | | | 100| 4| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 208| 4| return BLOSC2_ERROR_FAILURE; 209| 4| } 210| 0| b2nd_deserialize_meta(smeta, smeta_len, &ndim, shape, chunkshape, blockshape, NULL, NULL); 211| 0| free(smeta); 212| | 213| 0| int8_t cellshape[8]; 214| 0| int cell_size = 1; 215| 0| for (int i = 0; i < 8; ++i) { ------------------ | Branch (215:19): [True: 0, False: 0] ------------------ 216| 0| if (i < ndim) { ------------------ | Branch (216:9): [True: 0, False: 0] ------------------ 217| 0| cellshape[i] = (int8_t) meta; 218| 0| if (cellshape[i] > blockshape[i]) { ------------------ | Branch (218:11): [True: 0, False: 0] ------------------ 219| 0| cellshape[i] = (int8_t) blockshape[i]; 220| 0| } 221| 0| cell_size *= cellshape[i]; 222| 0| } else { 223| 0| cellshape[i] = 1; 224| 0| } 225| 0| } 226| | 227| 0| int8_t typesize = (int8_t) schunk->typesize; 228| 0| uint8_t *ip = (uint8_t *) input; 229| 0| uint8_t *ip_limit = ip + length; 230| 0| uint8_t *op = (uint8_t *) output; 231| 0| int32_t blocksize = (int32_t) typesize; 232| 0| for (int i = 0; i < ndim; i++) { ------------------ | Branch (232:19): [True: 0, False: 0] ------------------ 233| 0| blocksize *= blockshape[i]; 234| 0| } 235| | 236| 0| if (length != blocksize) { ------------------ | Branch (236:7): [True: 0, False: 0] ------------------ 237| 0| free(shape); 238| 0| free(chunkshape); 239| 0| free(blockshape); 240| 0| BLOSC_TRACE_ERROR("Length not equal to blocksize"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 241| 0| return BLOSC2_ERROR_FAILURE; 242| 0| } 243| | 244| 0| if (length < cell_size * typesize) { ------------------ | Branch (244:7): [True: 0, False: 0] ------------------ 245| 0| free(shape); 246| 0| free(chunkshape); 247| 0| free(blockshape); 248| 0| BLOSC_TRACE_ERROR("input and output buffer cannot be smaller than cell size"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 249| 0| return BLOSC2_ERROR_FAILURE; 250| 0| } 251| | 252| 0| int64_t i_shape[NDMEAN_MAX_DIM]; 253| 0| for (int i = 0; i < ndim; ++i) { ------------------ | Branch (253:19): [True: 0, False: 0] ------------------ 254| 0| i_shape[i] = (blockshape[i] + cellshape[i] - 1) / cellshape[i]; 255| 0| } 256| | 257| 0| int64_t ncells = 1; 258| 0| for (int i = 0; i < ndim; ++i) { ------------------ | Branch (258:19): [True: 0, False: 0] ------------------ 259| 0| ncells *= i_shape[i]; 260| 0| } 261| | 262| | /* main loop */ 263| 0| int64_t pad_shape[NDMEAN_MAX_DIM] = {0}; 264| 0| int64_t ii[NDMEAN_MAX_DIM]; 265| 0| int32_t ind = 0; 266| 0| for (int cell_ind = 0; cell_ind < ncells; cell_ind++) { // for each cell ------------------ | Branch (266:26): [True: 0, False: 0] ------------------ 267| | 268| 0| if (ip > ip_limit) { ------------------ | Branch (268:9): [True: 0, False: 0] ------------------ 269| 0| free(shape); 270| 0| free(chunkshape); 271| 0| free(blockshape); 272| 0| BLOSC_TRACE_ERROR("Exceeding input length!"); ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 273| 0| return BLOSC2_ERROR_FAILURE; 274| 0| } 275| 0| blosc2_unidim_to_multidim(ndim, i_shape, cell_ind, ii); 276| 0| uint32_t orig = 0; 277| 0| int64_t nd_aux = (int64_t) (cellshape[0]); 278| 0| for (int i = ndim - 1; i >= 0; i--) { ------------------ | Branch (278:28): [True: 0, False: 0] ------------------ 279| 0| orig += ii[i] * nd_aux; 280| 0| nd_aux *= blockshape[i]; 281| 0| } 282| | 283| 0| for (int dim_ind = 0; dim_ind < ndim; dim_ind++) { ------------------ | Branch (283:27): [True: 0, False: 0] ------------------ 284| 0| if ((blockshape[dim_ind] % cellshape[dim_ind] != 0) && (ii[dim_ind] == i_shape[dim_ind] - 1)) { ------------------ | Branch (284:11): [True: 0, False: 0] | Branch (284:62): [True: 0, False: 0] ------------------ 285| 0| pad_shape[dim_ind] = blockshape[dim_ind] % cellshape[dim_ind]; 286| 0| } else { 287| 0| pad_shape[dim_ind] = (int64_t) cellshape[dim_ind]; 288| 0| } 289| 0| } 290| | 291| 0| int64_t ncopies = 1; 292| 0| for (int i = 0; i < ndim - 1; ++i) { ------------------ | Branch (292:21): [True: 0, False: 0] ------------------ 293| 0| ncopies *= pad_shape[i]; 294| 0| } 295| 0| int64_t kk[NDMEAN_MAX_DIM]; 296| 0| for (int copy_ind = 0; copy_ind < ncopies; ++copy_ind) { ------------------ | Branch (296:28): [True: 0, False: 0] ------------------ 297| 0| blosc2_unidim_to_multidim((int8_t) (ndim - 1), pad_shape, copy_ind, kk); 298| 0| nd_aux = blockshape[ndim - 1]; 299| 0| ind = (int32_t) orig; 300| 0| for (int i = ndim - 2; i >= 0; i--) { ------------------ | Branch (300:30): [True: 0, False: 0] ------------------ 301| 0| ind += (int32_t) (kk[i] * nd_aux); 302| 0| nd_aux *= blockshape[i]; 303| 0| } 304| 0| memcpy(&op[ind * typesize], ip, pad_shape[ndim - 1] * typesize); 305| 0| ip += pad_shape[ndim - 1] * typesize; 306| 0| } 307| 0| } 308| 0| ind += (int32_t) pad_shape[ndim - 1]; 309| | 310| 0| free(shape); 311| 0| free(chunkshape); 312| 0| free(blockshape); 313| | 314| 0| if (ind != (int32_t) (blocksize / typesize)) { ------------------ | Branch (314:7): [True: 0, False: 0] ------------------ 315| 0| BLOSC_TRACE_ERROR("Output size is not compatible with embedded blockshape ind %d %d \n", ------------------ | | 93| 0|#define BLOSC_TRACE_ERROR(msg, ...) BLOSC_TRACE(error, msg, ##__VA_ARGS__) | | ------------------ | | | | 97| 0| do { \ | | | | 98| 0| const char *__e = getenv("BLOSC_TRACE"); \ | | | | 99| 0| if (!__e) { break; } \ | | | | ------------------ | | | | | Branch (99:13): [True: 0, False: 0] | | | | ------------------ | | | | 100| 0| fprintf(stderr, "[%s] - " msg " (%s:%d)\n", #cat, ##__VA_ARGS__, __FILE__, __LINE__); \ | | | | 101| 0| } while(0) | | | | ------------------ | | | | | Branch (101:13): [Folded, False: 0] | | | | ------------------ | | ------------------ ------------------ 316| 0| ind, (blocksize / typesize)); 317| 0| return BLOSC2_ERROR_FAILURE; 318| 0| } 319| | 320| 0| return BLOSC2_ERROR_SUCCESS; 321| 0|} register_tuners: 13| 3.19k|void register_tuners(void) { 14| | 15| 3.19k| blosc2_tuner btune; 16| 3.19k| btune.id = BLOSC_BTUNE; 17| 3.19k| btune.name = "btune"; 18| 3.19k| btune.init = NULL; 19| 3.19k| btune.next_cparams = NULL; 20| 3.19k| btune.next_blocksize = NULL; 21| 3.19k| btune.update = NULL; 22| 3.19k| btune.free = NULL; 23| | 24| 3.19k| register_tuner_private(&btune); 25| 3.19k|} LLVMFuzzerTestOneInput: 10| 3.19k|int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 11| 3.19k| size_t nbytes = 0, cbytes = 0, blocksize = 0; 12| 3.19k| void *output = NULL; 13| | 14| 3.19k| if (size < BLOSC_MIN_HEADER_LENGTH) { ------------------ | Branch (14:7): [True: 0, False: 3.19k] ------------------ 15| 0| return 0; 16| 0| } 17| | 18| 3.19k| blosc2_init(); 19| 3.19k| blosc2_set_nthreads(1); 20| 3.19k| blosc1_cbuffer_sizes(data, &nbytes, &cbytes, &blocksize); 21| | 22| 3.19k| if (cbytes != size || nbytes == 0) { ------------------ | Branch (22:7): [True: 12, False: 3.18k] | Branch (22:25): [True: 0, False: 3.18k] ------------------ 23| 12| blosc2_destroy(); 24| 12| return 0; 25| 12| } 26| 3.18k| if (blosc1_cbuffer_validate(data, size, &nbytes) != 0) { ------------------ | Branch (26:7): [True: 0, False: 3.18k] ------------------ 27| | /* Unexpected `nbytes` specified in blosc header */ 28| 0| blosc2_destroy(); 29| 0| return 0; 30| 0| } 31| | 32| 3.18k| output = malloc(cbytes); 33| 3.18k| if (output != NULL) { ------------------ | Branch (33:7): [True: 3.18k, False: 0] ------------------ 34| 3.18k| blosc2_decompress(data, (int32_t)size, output, (int32_t)cbytes); 35| 3.18k| free(output); 36| 3.18k| } 37| | 38| 3.18k| blosc2_destroy(); 39| 3.18k| return 0; 40| 3.18k|}