fuzzer_parser_init: 33| 1.80k|readstat_parser_t *fuzzer_parser_init(const uint8_t *Data, size_t Size) { 34| 1.80k| readstat_parser_t *parser = readstat_parser_init(); 35| 1.80k| readstat_set_open_handler(parser, rt_open_handler); 36| 1.80k| readstat_set_close_handler(parser, rt_close_handler); 37| 1.80k| readstat_set_seek_handler(parser, rt_seek_handler); 38| 1.80k| readstat_set_read_handler(parser, rt_read_handler); 39| 1.80k| readstat_set_update_handler(parser, rt_update_handler); 40| | 41| 1.80k| readstat_set_metadata_handler(parser, &handle_metadata); 42| 1.80k| readstat_set_note_handler(parser, &handle_note); 43| 1.80k| readstat_set_variable_handler(parser, &handle_variable); 44| 1.80k| readstat_set_fweight_handler(parser, &handle_fweight); 45| 1.80k| readstat_set_value_handler(parser, &handle_value); 46| 1.80k| readstat_set_value_label_handler(parser, &handle_value_label); 47| | 48| 1.80k| return parser; 49| 1.80k|} fuzz_format.c:handle_metadata: 8| 1.24k|static int handle_metadata(readstat_metadata_t *metadata, void *ctx) { 9| 1.24k| return READSTAT_HANDLER_OK; 10| 1.24k|} fuzz_format.c:handle_value_label: 29| 29.0k|static int handle_value_label(const char *val_labels, readstat_value_t value, const char *label, void *ctx) { 30| 29.0k| return READSTAT_HANDLER_OK; 31| 29.0k|} LLVMFuzzerTestOneInput: 10| 1.80k|int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 11| 1.80k| rt_buffer_t buffer = { .bytes = (char *)Data, .size = Size, .used = Size }; 12| 1.80k| rt_buffer_ctx_t buffer_ctx = { .buffer = &buffer }; 13| | 14| 1.80k| readstat_parser_t *parser = fuzzer_parser_init(Data, Size); 15| 1.80k| readstat_set_io_ctx(parser, &buffer_ctx); 16| | 17| 1.80k| readstat_parse_sas7bcat(parser, NULL, NULL); 18| 1.80k| readstat_parser_free(parser); 19| 1.80k| return 0; 20| 1.80k|} machine_is_little_endian: 11| 4.47k|int machine_is_little_endian(void) { 12| 4.47k| int test_byte_order = 1; 13| 4.47k| return ((char *)&test_byte_order)[0]; 14| 4.47k|} byteswap2: 40| 13.4k|uint16_t byteswap2(uint16_t num) { 41| 13.4k| return ((num & 0xFF00) >> 8) | ((num & 0x00FF) << 8); 42| 13.4k|} byteswap4: 44| 6.64k|uint32_t byteswap4(uint32_t num) { 45| 6.64k| num = ((num & 0xFFFF0000) >> 16) | ((num & 0x0000FFFF) << 16); 46| 6.64k| return ((num & 0xFF00FF00) >> 8) | ((num & 0x00FF00FF) << 8); 47| 6.64k|} byteswap8: 49| 30.0k|uint64_t byteswap8(uint64_t num) { 50| 30.0k| num = ((num & 0xFFFFFFFF00000000) >> 32) | ((num & 0x00000000FFFFFFFF) << 32); 51| 30.0k| num = ((num & 0xFFFF0000FFFF0000) >> 16) | ((num & 0x0000FFFF0000FFFF) << 16); 52| 30.0k| return ((num & 0xFF00FF00FF00FF00) >> 8) | ((num & 0x00FF00FF00FF00FF) << 8); 53| 30.0k|} byteswap_double: 63| 1.55k|double byteswap_double(double num) { 64| 1.55k| uint64_t answer = 0; 65| 1.55k| memcpy(&answer, &num, 8); 66| 1.55k| answer = byteswap8(answer); 67| 1.55k| memcpy(&num, &answer, 8); 68| 1.55k| return num; 69| 1.55k|} readstat_convert: 7| 34.7k|readstat_error_t readstat_convert(char *dst, size_t dst_len, const char *src, size_t src_len, iconv_t converter) { 8| | /* strip off spaces from the input because the programs use ASCII space 9| | * padding even with non-ASCII encoding. */ 10| 188k| while (src_len && (src[src_len-1] == ' ' || src[src_len-1] == '\0')) { ------------------ | Branch (10:12): [True: 158k, False: 29.3k] | Branch (10:24): [True: 1.30k, False: 157k] | Branch (10:49): [True: 152k, False: 5.42k] ------------------ 11| 153k| src_len--; 12| 153k| } 13| 34.7k| if (dst_len == 0) { ------------------ | Branch (13:9): [True: 0, False: 34.7k] ------------------ 14| 0| return READSTAT_ERROR_CONVERT_LONG_STRING; 15| 34.7k| } else if (converter) { ------------------ | Branch (15:16): [True: 6.44k, False: 28.3k] ------------------ 16| 6.44k| size_t dst_left = dst_len - 1; 17| 6.44k| char *dst_end = dst; 18| 6.44k| size_t status = iconv(converter, (readstat_iconv_inbuf_t)&src, &src_len, &dst_end, &dst_left); 19| 6.44k| if (status == (size_t)-1) { ------------------ | Branch (19:13): [True: 418, False: 6.02k] ------------------ 20| 418| if (errno == E2BIG) { ------------------ | Branch (20:17): [True: 1, False: 417] ------------------ 21| 1| return READSTAT_ERROR_CONVERT_LONG_STRING; 22| 417| } else if (errno == EILSEQ) { ------------------ | Branch (22:24): [True: 43, False: 374] ------------------ 23| 43| return READSTAT_ERROR_CONVERT_BAD_STRING; 24| 374| } else if (errno != EINVAL) { /* EINVAL indicates improper truncation; accept it */ ------------------ | Branch (24:24): [True: 0, False: 374] ------------------ 25| 0| return READSTAT_ERROR_CONVERT; 26| 0| } 27| 418| } 28| 6.40k| dst[dst_len - dst_left - 1] = '\0'; 29| 28.3k| } else if (src_len + 1 > dst_len) { ------------------ | Branch (29:16): [True: 0, False: 28.3k] ------------------ 30| 0| return READSTAT_ERROR_CONVERT_LONG_STRING; 31| 28.3k| } else { 32| 28.3k| memcpy(dst, src, src_len); 33| 28.3k| dst[src_len] = '\0'; 34| 28.3k| } 35| 34.7k| return READSTAT_OK; 36| 34.7k|} unistd_io_init: 121| 1.80k|readstat_error_t unistd_io_init(readstat_parser_t *parser) { 122| 1.80k| readstat_error_t retval = READSTAT_OK; 123| 1.80k| unistd_io_ctx_t *io_ctx = NULL; 124| | 125| 1.80k| if ((retval = readstat_set_open_handler(parser, unistd_open_handler)) != READSTAT_OK) ------------------ | Branch (125:9): [True: 0, False: 1.80k] ------------------ 126| 0| return retval; 127| | 128| 1.80k| if ((retval = readstat_set_close_handler(parser, unistd_close_handler)) != READSTAT_OK) ------------------ | Branch (128:9): [True: 0, False: 1.80k] ------------------ 129| 0| return retval; 130| | 131| 1.80k| if ((retval = readstat_set_seek_handler(parser, unistd_seek_handler)) != READSTAT_OK) ------------------ | Branch (131:9): [True: 0, False: 1.80k] ------------------ 132| 0| return retval; 133| | 134| 1.80k| if ((retval = readstat_set_read_handler(parser, unistd_read_handler)) != READSTAT_OK) ------------------ | Branch (134:9): [True: 0, False: 1.80k] ------------------ 135| 0| return retval; 136| | 137| 1.80k| if ((readstat_set_update_handler(parser, unistd_update_handler)) != READSTAT_OK) ------------------ | Branch (137:9): [True: 0, False: 1.80k] ------------------ 138| 0| return retval; 139| | 140| 1.80k| io_ctx = calloc(1, sizeof(unistd_io_ctx_t)); 141| 1.80k| io_ctx->fd = -1; 142| | 143| 1.80k| retval = readstat_set_io_ctx(parser, (void*) io_ctx); 144| 1.80k| parser->io->io_ctx_needs_free = 1; 145| | 146| 1.80k| return retval; 147| 1.80k|} readstat_malloc: 10| 1.24k|void *readstat_malloc(size_t len) { 11| 1.24k| if (len > MAX_MALLOC_SIZE || len == 0) { ------------------ | | 3| 2.49k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (11:9): [True: 0, False: 1.24k] | Branch (11:34): [True: 0, False: 1.24k] ------------------ 12| 0| return NULL; 13| 0| } 14| 1.24k| return malloc(len); 15| 1.24k|} readstat_calloc: 17| 1.58k|void *readstat_calloc(size_t count, size_t size) { 18| 1.58k| if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 3.16k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 3.04k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 1.45k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (18:9): [True: 124, False: 1.45k] | Branch (18:36): [True: 0, False: 1.45k] | Branch (18:62): [True: 32, False: 1.42k] ------------------ 19| 156| return NULL; 20| 156| } 21| 1.42k| if (count == 0 || size == 0) { ------------------ | Branch (21:9): [True: 8, False: 1.41k] | Branch (21:23): [True: 0, False: 1.41k] ------------------ 22| 8| return NULL; 23| 8| } 24| 1.41k| return calloc(count, size); 25| 1.42k|} readstat_realloc: 27| 3.70k|void *readstat_realloc(void *ptr, size_t len) { 28| 3.70k| if (len > MAX_MALLOC_SIZE || len == 0) { ------------------ | | 3| 7.41k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (28:9): [True: 3, False: 3.70k] | Branch (28:34): [True: 0, False: 3.70k] ------------------ 29| 3| if (ptr) ------------------ | Branch (29:13): [True: 2, False: 1] ------------------ 30| 2| free(ptr); 31| 3| return NULL; 32| 3| } 33| 3.70k| return realloc(ptr, len); 34| 3.70k|} readstat_parser_init: 6| 1.80k|readstat_parser_t *readstat_parser_init(void) { 7| 1.80k| readstat_parser_t *parser = calloc(1, sizeof(readstat_parser_t)); 8| 1.80k| parser->io = calloc(1, sizeof(readstat_io_t)); 9| 1.80k| if (unistd_io_init(parser) != READSTAT_OK) { ------------------ | Branch (9:9): [True: 0, False: 1.80k] ------------------ 10| 0| readstat_parser_free(parser); 11| 0| return NULL; 12| 0| } 13| 1.80k| parser->output_encoding = "UTF-8"; 14| 1.80k| return parser; 15| 1.80k|} readstat_parser_free: 17| 1.80k|void readstat_parser_free(readstat_parser_t *parser) { 18| 1.80k| if (parser) { ------------------ | Branch (18:9): [True: 1.80k, False: 0] ------------------ 19| 1.80k| if (parser->io) { ------------------ | Branch (19:13): [True: 1.80k, False: 0] ------------------ 20| | readstat_set_io_ctx(parser, NULL); 21| 1.80k| free(parser->io); 22| 1.80k| } 23| 1.80k| free(parser); 24| 1.80k| } 25| 1.80k|} readstat_set_metadata_handler: 27| 1.80k|readstat_error_t readstat_set_metadata_handler(readstat_parser_t *parser, readstat_metadata_handler metadata_handler) { 28| 1.80k| parser->handlers.metadata = metadata_handler; 29| 1.80k| return READSTAT_OK; 30| 1.80k|} readstat_set_note_handler: 32| 1.80k|readstat_error_t readstat_set_note_handler(readstat_parser_t *parser, readstat_note_handler note_handler) { 33| 1.80k| parser->handlers.note = note_handler; 34| 1.80k| return READSTAT_OK; 35| 1.80k|} readstat_set_variable_handler: 37| 1.80k|readstat_error_t readstat_set_variable_handler(readstat_parser_t *parser, readstat_variable_handler variable_handler) { 38| 1.80k| parser->handlers.variable = variable_handler; 39| 1.80k| return READSTAT_OK; 40| 1.80k|} readstat_set_value_handler: 42| 1.80k|readstat_error_t readstat_set_value_handler(readstat_parser_t *parser, readstat_value_handler value_handler) { 43| 1.80k| parser->handlers.value = value_handler; 44| 1.80k| return READSTAT_OK; 45| 1.80k|} readstat_set_value_label_handler: 47| 1.80k|readstat_error_t readstat_set_value_label_handler(readstat_parser_t *parser, readstat_value_label_handler label_handler) { 48| 1.80k| parser->handlers.value_label = label_handler; 49| 1.80k| return READSTAT_OK; 50| 1.80k|} readstat_set_fweight_handler: 62| 1.80k|readstat_error_t readstat_set_fweight_handler(readstat_parser_t *parser, readstat_fweight_handler fweight_handler) { 63| 1.80k| parser->handlers.fweight = fweight_handler; 64| 1.80k| return READSTAT_OK; 65| 1.80k|} readstat_set_open_handler: 67| 3.61k|readstat_error_t readstat_set_open_handler(readstat_parser_t *parser, readstat_open_handler open_handler) { 68| 3.61k| parser->io->open = open_handler; 69| 3.61k| return READSTAT_OK; 70| 3.61k|} readstat_set_close_handler: 72| 3.61k|readstat_error_t readstat_set_close_handler(readstat_parser_t *parser, readstat_close_handler close_handler) { 73| 3.61k| parser->io->close = close_handler; 74| 3.61k| return READSTAT_OK; 75| 3.61k|} readstat_set_seek_handler: 77| 3.61k|readstat_error_t readstat_set_seek_handler(readstat_parser_t *parser, readstat_seek_handler seek_handler) { 78| 3.61k| parser->io->seek = seek_handler; 79| 3.61k| return READSTAT_OK; 80| 3.61k|} readstat_set_read_handler: 82| 3.61k|readstat_error_t readstat_set_read_handler(readstat_parser_t *parser, readstat_read_handler read_handler) { 83| 3.61k| parser->io->read = read_handler; 84| 3.61k| return READSTAT_OK; 85| 3.61k|} readstat_set_update_handler: 87| 3.61k|readstat_error_t readstat_set_update_handler(readstat_parser_t *parser, readstat_update_handler update_handler) { 88| 3.61k| parser->io->update = update_handler; 89| 3.61k| return READSTAT_OK; 90| 3.61k|} readstat_set_io_ctx: 92| 5.42k|readstat_error_t readstat_set_io_ctx(readstat_parser_t *parser, void *io_ctx) { 93| 5.42k| if (parser->io->io_ctx_needs_free) { ------------------ | Branch (93:9): [True: 1.80k, False: 3.61k] ------------------ 94| 1.80k| free(parser->io->io_ctx); 95| 1.80k| } 96| | 97| 5.42k| parser->io->io_ctx = io_ctx; 98| 5.42k| parser->io->io_ctx_needs_free = 0; 99| | 100| 5.42k| return READSTAT_OK; 101| 5.42k|} sas_read8: 139| 30.3k|uint64_t sas_read8(const char *data, int bswap) { 140| 30.3k| uint64_t tmp; 141| 30.3k| memcpy(&tmp, data, 8); 142| 30.3k| return bswap ? byteswap8(tmp) : tmp; ------------------ | Branch (142:12): [True: 28.5k, False: 1.81k] ------------------ 143| 30.3k|} sas_read4: 145| 227k|uint32_t sas_read4(const char *data, int bswap) { 146| 227k| uint32_t tmp; 147| 227k| memcpy(&tmp, data, 4); 148| 227k| return bswap ? byteswap4(tmp) : tmp; ------------------ | Branch (148:12): [True: 5.62k, False: 221k] ------------------ 149| 227k|} sas_read2: 151| 9.31M|uint16_t sas_read2(const char *data, int bswap) { 152| 9.31M| uint16_t tmp; 153| 9.31M| memcpy(&tmp, data, 2); 154| 9.31M| return bswap ? byteswap2(tmp) : tmp; ------------------ | Branch (154:12): [True: 13.4k, False: 9.29M] ------------------ 155| 9.31M|} sas_read_header: 162| 1.80k| readstat_error_handler error_handler, void *user_ctx) { 163| 1.80k| sas_header_start_t header_start; 164| 1.80k| sas_header_end_t header_end; 165| 1.80k| int retval = READSTAT_OK; 166| 1.80k| char error_buf[1024]; 167| 1.80k| time_t epoch = sas_epoch(); 168| | 169| 1.80k| if (io->read(&header_start, sizeof(sas_header_start_t), io->io_ctx) < sizeof(sas_header_start_t)) { ------------------ | Branch (169:9): [True: 20, False: 1.78k] ------------------ 170| 20| retval = READSTAT_ERROR_READ; 171| 20| goto cleanup; 172| 20| } 173| 1.78k| if (memcmp(header_start.magic, sas7bdat_magic_number, sizeof(sas7bdat_magic_number)) != 0 && ------------------ | Branch (173:9): [True: 999, False: 788] ------------------ 174| 999| memcmp(header_start.magic, sas7bcat_magic_number, sizeof(sas7bcat_magic_number)) != 0) { ------------------ | Branch (174:13): [True: 130, False: 869] ------------------ 175| 130| retval = READSTAT_ERROR_PARSE; 176| 130| goto cleanup; 177| 130| } 178| 1.65k| if (header_start.a1 == SAS_ALIGNMENT_OFFSET_4) { ------------------ | | 87| 1.65k|#define SAS_ALIGNMENT_OFFSET_4 0x33 ------------------ | Branch (178:9): [True: 11, False: 1.64k] ------------------ 179| 11| hinfo->pad1 = 4; 180| 11| } 181| 1.65k| if (header_start.a2 == SAS_ALIGNMENT_OFFSET_4) { ------------------ | | 87| 1.65k|#define SAS_ALIGNMENT_OFFSET_4 0x33 ------------------ | Branch (181:9): [True: 409, False: 1.24k] ------------------ 182| 409| hinfo->u64 = 1; 183| 409| } 184| 1.65k| int bswap = 0; 185| 1.65k| if (header_start.endian == SAS_ENDIAN_BIG) { ------------------ | | 80| 1.65k|#define SAS_ENDIAN_BIG 0x00 ------------------ | Branch (185:9): [True: 408, False: 1.24k] ------------------ 186| 408| bswap = machine_is_little_endian(); 187| 408| hinfo->little_endian = 0; 188| 1.24k| } else if (header_start.endian == SAS_ENDIAN_LITTLE) { ------------------ | | 81| 1.24k|#define SAS_ENDIAN_LITTLE 0x01 ------------------ | Branch (188:16): [True: 1.23k, False: 11] ------------------ 189| 1.23k| bswap = !machine_is_little_endian(); 190| 1.23k| hinfo->little_endian = 1; 191| 1.23k| } else { 192| 11| retval = READSTAT_ERROR_PARSE; 193| 11| goto cleanup; 194| 11| } 195| 1.64k| int i; 196| 17.8k| for (i=0; iencoding = _charset_table[i].name; 199| 1.63k| break; 200| 1.63k| } 201| 17.8k| } 202| 1.64k| if (hinfo->encoding == NULL) { ------------------ | Branch (202:9): [True: 8, False: 1.63k] ------------------ 203| 8| if (error_handler) { ------------------ | Branch (203:13): [True: 0, False: 8] ------------------ 204| 0| snprintf(error_buf, sizeof(error_buf), "Unsupported character set code: %d", header_start.encoding); 205| 0| error_handler(error_buf, user_ctx); 206| 0| } 207| 8| retval = READSTAT_ERROR_UNSUPPORTED_CHARSET; 208| 8| goto cleanup; 209| 8| } 210| 1.63k| memcpy(hinfo->table_name, header_start.table_name, sizeof(header_start.table_name)); 211| 1.63k| if (io->seek(hinfo->pad1, READSTAT_SEEK_CUR, io->io_ctx) == -1) { ------------------ | Branch (211:9): [True: 5, False: 1.63k] ------------------ 212| 5| retval = READSTAT_ERROR_SEEK; 213| 5| goto cleanup; 214| 5| } 215| | 216| 1.63k| double creation_time, modification_time, creation_time_diff, modification_time_diff; 217| | 218| 1.63k| if (io->read(&creation_time, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (218:9): [True: 12, False: 1.62k] ------------------ 219| 12| retval = READSTAT_ERROR_READ; 220| 12| goto cleanup; 221| 12| } 222| 1.62k| if (bswap) ------------------ | Branch (222:9): [True: 394, False: 1.22k] ------------------ 223| 394| creation_time = byteswap_double(creation_time); 224| | 225| 1.62k| if (io->read(&modification_time, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (225:9): [True: 7, False: 1.61k] ------------------ 226| 7| retval = READSTAT_ERROR_READ; 227| 7| goto cleanup; 228| 7| } 229| 1.61k| if (bswap) ------------------ | Branch (229:9): [True: 390, False: 1.22k] ------------------ 230| 390| modification_time = byteswap_double(modification_time); 231| | 232| 1.61k| if (io->read(&creation_time_diff, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (232:9): [True: 6, False: 1.60k] ------------------ 233| 6| retval = READSTAT_ERROR_READ; 234| 6| goto cleanup; 235| 6| } 236| 1.60k| if (bswap) ------------------ | Branch (236:9): [True: 385, False: 1.22k] ------------------ 237| 385| creation_time_diff = byteswap_double(creation_time_diff); 238| | 239| 1.60k| if (io->read(&modification_time_diff, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (239:9): [True: 7, False: 1.60k] ------------------ 240| 7| retval = READSTAT_ERROR_READ; 241| 7| goto cleanup; 242| 7| } 243| 1.60k| if (bswap) ------------------ | Branch (243:9): [True: 381, False: 1.22k] ------------------ 244| 381| modification_time_diff = byteswap_double(modification_time_diff); 245| | 246| 1.60k| hinfo->creation_time = sas_convert_time(creation_time, creation_time_diff, epoch); 247| 1.60k| hinfo->modification_time = sas_convert_time(modification_time, modification_time_diff, epoch); 248| | 249| 1.60k| uint32_t header_size, page_size; 250| | 251| 1.60k| if (io->read(&header_size, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (251:9): [True: 9, False: 1.59k] ------------------ 252| 9| retval = READSTAT_ERROR_READ; 253| 9| goto cleanup; 254| 9| } 255| 1.59k| if (io->read(&page_size, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (255:9): [True: 3, False: 1.58k] ------------------ 256| 3| retval = READSTAT_ERROR_READ; 257| 3| goto cleanup; 258| 3| } 259| | 260| 1.58k| hinfo->header_size = bswap ? byteswap4(header_size) : header_size; ------------------ | Branch (260:26): [True: 373, False: 1.21k] ------------------ 261| 1.58k| hinfo->page_size = bswap ? byteswap4(page_size) : page_size; ------------------ | Branch (261:24): [True: 373, False: 1.21k] ------------------ 262| | 263| 1.58k| if (hinfo->header_size < 1024 || hinfo->page_size < 1024) { ------------------ | Branch (263:9): [True: 12, False: 1.57k] | Branch (263:38): [True: 12, False: 1.56k] ------------------ 264| 24| retval = READSTAT_ERROR_PARSE; 265| 24| goto cleanup; 266| 24| } 267| 1.56k| if (hinfo->header_size > (1<<24) || hinfo->page_size > (1<<24)) { ------------------ | Branch (267:9): [True: 29, False: 1.53k] | Branch (267:41): [True: 31, False: 1.50k] ------------------ 268| 60| retval = READSTAT_ERROR_PARSE; 269| 60| goto cleanup; 270| 60| } 271| | 272| 1.50k| if (hinfo->u64) { ------------------ | Branch (272:9): [True: 374, False: 1.13k] ------------------ 273| 374| hinfo->page_header_size = SAS_PAGE_HEADER_SIZE_64BIT; ------------------ | | 121| 374|#define SAS_PAGE_HEADER_SIZE_64BIT 40 ------------------ 274| 374| hinfo->subheader_pointer_size = SAS_SUBHEADER_POINTER_SIZE_64BIT; ------------------ | | 118| 374|#define SAS_SUBHEADER_POINTER_SIZE_64BIT 24 ------------------ 275| 1.13k| } else { 276| 1.13k| hinfo->page_header_size = SAS_PAGE_HEADER_SIZE_32BIT; ------------------ | | 120| 1.13k|#define SAS_PAGE_HEADER_SIZE_32BIT 24 ------------------ 277| 1.13k| hinfo->subheader_pointer_size = SAS_SUBHEADER_POINTER_SIZE_32BIT; ------------------ | | 117| 1.13k|#define SAS_SUBHEADER_POINTER_SIZE_32BIT 12 ------------------ 278| 1.13k| } 279| | 280| 1.50k| if (hinfo->u64) { ------------------ | Branch (280:9): [True: 374, False: 1.13k] ------------------ 281| 374| uint64_t page_count; 282| 374| if (io->read(&page_count, sizeof(uint64_t), io->io_ctx) < sizeof(uint64_t)) { ------------------ | Branch (282:13): [True: 18, False: 356] ------------------ 283| 18| retval = READSTAT_ERROR_READ; 284| 18| goto cleanup; 285| 18| } 286| 356| hinfo->page_count = bswap ? byteswap8(page_count) : page_count; ------------------ | Branch (286:29): [True: 29, False: 327] ------------------ 287| 1.13k| } else { 288| 1.13k| uint32_t page_count; 289| 1.13k| if (io->read(&page_count, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (289:13): [True: 26, False: 1.10k] ------------------ 290| 26| retval = READSTAT_ERROR_READ; 291| 26| goto cleanup; 292| 26| } 293| 1.10k| hinfo->page_count = bswap ? byteswap4(page_count) : page_count; ------------------ | Branch (293:29): [True: 275, False: 830] ------------------ 294| 1.10k| } 295| 1.46k| if (hinfo->page_count > (1<<24)) { ------------------ | Branch (295:9): [True: 13, False: 1.44k] ------------------ 296| 13| retval = READSTAT_ERROR_PARSE; 297| 13| goto cleanup; 298| 13| } 299| | 300| 1.44k| if (io->seek(8, READSTAT_SEEK_CUR, io->io_ctx) == -1) { ------------------ | Branch (300:9): [True: 84, False: 1.36k] ------------------ 301| 84| retval = READSTAT_ERROR_SEEK; 302| 84| if (error_handler) { ------------------ | Branch (302:13): [True: 0, False: 84] ------------------ 303| 0| snprintf(error_buf, sizeof(error_buf), "ReadStat: Failed to seek forward by %d", 8); 304| 0| error_handler(error_buf, user_ctx); 305| 0| } 306| 84| goto cleanup; 307| 84| } 308| 1.36k| if (io->read(&header_end, sizeof(sas_header_end_t), io->io_ctx) < sizeof(sas_header_end_t)) { ------------------ | Branch (308:9): [True: 17, False: 1.34k] ------------------ 309| 17| retval = READSTAT_ERROR_READ; 310| 17| goto cleanup; 311| 17| } 312| 1.34k| char major, revision_tag; 313| 1.34k| int minor, revision; 314| 1.34k| if (sscanf(header_end.release, "%c.%04d%c%1d", &major, &minor, &revision_tag, &revision) != 4) { ------------------ | Branch (314:9): [True: 3, False: 1.34k] ------------------ 315| 3| retval = READSTAT_ERROR_PARSE; 316| 3| goto cleanup; 317| 3| } 318| | 319| 1.34k| if (major >= '1' && major <= '9') { ------------------ | Branch (319:9): [True: 1.33k, False: 11] | Branch (319:25): [True: 1.31k, False: 15] ------------------ 320| 1.31k| hinfo->major_version = major - '0'; 321| 1.31k| } else if (major == 'V') { ------------------ | Branch (321:16): [True: 7, False: 19] ------------------ 322| | // It appears that SAS Visual Forecaster reports the major version as "V" 323| | // Treat it as version 9 for all intents and purposes 324| 7| hinfo->major_version = 9; 325| 19| } else { 326| 19| retval = READSTAT_ERROR_PARSE; 327| 19| goto cleanup; 328| 19| } 329| | // revision_tag is usually M, but J has been observed in the wild (not created with SAS?) 330| 1.32k| if (revision_tag != 'M' && revision_tag != 'J') { ------------------ | Branch (330:9): [True: 21, False: 1.30k] | Branch (330:32): [True: 14, False: 7] ------------------ 331| 14| retval = READSTAT_ERROR_PARSE; 332| 14| goto cleanup; 333| 14| } 334| 1.31k| hinfo->minor_version = minor; 335| 1.31k| hinfo->revision = revision; 336| | 337| 1.31k| if ((major == '8' || major == '9') && minor == 0 && revision == 0) { ------------------ | Branch (337:10): [True: 269, False: 1.04k] | Branch (337:26): [True: 169, False: 873] | Branch (337:43): [True: 13, False: 425] | Branch (337:57): [True: 3, False: 10] ------------------ 338| | /* A bit of a hack, but most SAS installations are running a minor update */ 339| 3| hinfo->vendor = READSTAT_VENDOR_STAT_TRANSFER; 340| 1.30k| } else { 341| 1.30k| hinfo->vendor = READSTAT_VENDOR_SAS; 342| 1.30k| } 343| 1.31k| if (io->seek(hinfo->header_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (343:9): [True: 61, False: 1.25k] ------------------ 344| 61| retval = READSTAT_ERROR_SEEK; 345| 61| if (error_handler) { ------------------ | Branch (345:13): [True: 0, False: 61] ------------------ 346| 0| snprintf(error_buf, sizeof(error_buf), 347| 0| "ReadStat: Failed to seek to position %" PRId64, hinfo->header_size); 348| 0| error_handler(error_buf, user_ctx); 349| 0| } 350| 61| goto cleanup; 351| 61| } 352| | 353| 1.80k|cleanup: 354| 1.80k| return retval; 355| 1.31k|} sas_validate_tag: 507| 1.73k|readstat_error_t sas_validate_tag(char tag) { 508| 1.73k| if (tag == '_' || (tag >= 'A' && tag <= 'Z')) ------------------ | Branch (508:9): [True: 374, False: 1.35k] | Branch (508:24): [True: 588, False: 770] | Branch (508:38): [True: 341, False: 247] ------------------ 509| 715| return READSTAT_OK; 510| | 511| 1.01k| return READSTAT_ERROR_TAGGED_VALUE_IS_OUT_OF_RANGE; 512| 1.73k|} sas_assign_tag: 514| 1.73k|void sas_assign_tag(readstat_value_t *value, uint8_t tag) { 515| | /* We accommodate two tag schemes. In the first, the tag is an ASCII code 516| | * given by uint8_t tag above. System missing is represented by an ASCII 517| | * period. In the second scheme, (tag-2) is an offset from 'A', except when 518| | * tag == 0, in which case it represents an underscore, or tag == 1, in 519| | * which case it represents system-missing. 520| | */ 521| 1.73k| if (tag == 0) { ------------------ | Branch (521:9): [True: 373, False: 1.35k] ------------------ 522| 373| tag = '_'; 523| 1.35k| } else if (tag >= 2 && tag < 28) { ------------------ | Branch (523:16): [True: 1.02k, False: 336] | Branch (523:28): [True: 335, False: 688] ------------------ 524| 335| tag = 'A' + (tag - 2); 525| 335| } 526| 1.73k| if (sas_validate_tag(tag) == READSTAT_OK) { ------------------ | Branch (526:9): [True: 715, False: 1.01k] ------------------ 527| 715| value->tag = tag; 528| 715| value->is_tagged_missing = 1; 529| 1.01k| } else { 530| 1.01k| value->tag = 0; 531| 1.01k| value->is_system_missing = 1; 532| 1.01k| } 533| 1.73k|} readstat_sas.c:sas_epoch: 123| 1.80k|static time_t sas_epoch(void) { 124| 1.80k| return - 3653 * 86400; // seconds between 01-01-1960 and 01-01-1970 125| 1.80k|} readstat_sas.c:sas_convert_time: 127| 3.20k|static time_t sas_convert_time(double time, double time_diff, time_t epoch) { 128| 3.20k| time -= time_diff; 129| 3.20k| time += epoch; 130| 3.20k| if (isnan(time)) ------------------ | Branch (130:9): [True: 99, False: 3.10k] ------------------ 131| 99| return 0; 132| 3.10k| if (time > (double)LONG_MAX) ------------------ | Branch (132:9): [True: 253, False: 2.85k] ------------------ 133| 253| return LONG_MAX; 134| 2.85k| if (time < (double)LONG_MIN) ------------------ | Branch (134:9): [True: 320, False: 2.53k] ------------------ 135| 320| return LONG_MIN; 136| 2.53k| return time; 137| 2.85k|} readstat_parse_sas7bcat: 376| 1.80k|readstat_error_t readstat_parse_sas7bcat(readstat_parser_t *parser, const char *path, void *user_ctx) { 377| 1.80k| readstat_error_t retval = READSTAT_OK; 378| 1.80k| readstat_io_t *io = parser->io; 379| 1.80k| int64_t i; 380| 1.80k| char *page = NULL; 381| 1.80k| char *buffer = NULL; 382| | 383| 1.80k| sas7bcat_ctx_t *ctx = calloc(1, sizeof(sas7bcat_ctx_t)); 384| 1.80k| sas_header_info_t *hinfo = calloc(1, sizeof(sas_header_info_t)); 385| | 386| 1.80k| ctx->block_pointers = malloc((ctx->block_pointers_capacity = 200) * sizeof(uint64_t)); 387| | 388| 1.80k| ctx->value_label_handler = parser->handlers.value_label; 389| 1.80k| ctx->metadata_handler = parser->handlers.metadata; 390| 1.80k| ctx->input_encoding = parser->input_encoding; 391| 1.80k| ctx->output_encoding = parser->output_encoding; 392| 1.80k| ctx->user_ctx = user_ctx; 393| 1.80k| ctx->io = io; 394| | 395| 1.80k| if (io->open(path, io->io_ctx) == -1) { ------------------ | Branch (395:9): [True: 0, False: 1.80k] ------------------ 396| 0| retval = READSTAT_ERROR_OPEN; 397| 0| goto cleanup; 398| 0| } 399| | 400| 1.80k| if ((retval = sas_read_header(io, hinfo, parser->handlers.error, user_ctx)) != READSTAT_OK) { ------------------ | Branch (400:9): [True: 557, False: 1.25k] ------------------ 401| 557| goto cleanup; 402| 557| } 403| | 404| 1.25k| ctx->u64 = hinfo->u64; 405| 1.25k| ctx->pad1 = hinfo->pad1; 406| 1.25k| ctx->bswap = machine_is_little_endian() ^ hinfo->little_endian; 407| 1.25k| ctx->header_size = hinfo->header_size; 408| 1.25k| ctx->page_count = hinfo->page_count; 409| 1.25k| ctx->page_size = hinfo->page_size; 410| 1.25k| if (ctx->input_encoding == NULL) { ------------------ | Branch (410:9): [True: 1.25k, False: 0] ------------------ 411| 1.25k| ctx->input_encoding = hinfo->encoding; 412| 1.25k| } 413| | 414| 1.25k| ctx->xlsr_size = 212 + ctx->pad1; 415| 1.25k| ctx->xlsr_offset = 856 + 2 * ctx->pad1; 416| 1.25k| ctx->xlsr_O_offset = 50 + ctx->pad1; 417| 1.25k| if (ctx->u64) { ------------------ | Branch (417:9): [True: 294, False: 956] ------------------ 418| 294| ctx->xlsr_offset += 144; 419| 294| ctx->xlsr_size += 72; 420| 294| ctx->xlsr_O_offset += 24; 421| 294| } 422| | 423| 1.25k| if (ctx->input_encoding && ctx->output_encoding && strcmp(ctx->input_encoding, ctx->output_encoding) != 0) { ------------------ | Branch (423:9): [True: 1.25k, False: 0] | Branch (423:32): [True: 1.25k, False: 0] | Branch (423:56): [True: 724, False: 526] ------------------ 424| 724| iconv_t converter = iconv_open(ctx->output_encoding, ctx->input_encoding); 425| 724| if (converter == (iconv_t)-1) { ------------------ | Branch (425:13): [True: 2, False: 722] ------------------ 426| 2| retval = READSTAT_ERROR_UNSUPPORTED_CHARSET; 427| 2| goto cleanup; 428| 2| } 429| 722| ctx->converter = converter; 430| 722| } 431| | 432| 1.24k| if (ctx->metadata_handler) { ------------------ | Branch (432:9): [True: 1.24k, False: 0] ------------------ 433| 1.24k| char table_name[4*32+1]; 434| 1.24k| readstat_metadata_t metadata = { 435| 1.24k| .file_encoding = ctx->input_encoding, /* orig encoding? */ 436| 1.24k| .modified_time = hinfo->modification_time, 437| 1.24k| .creation_time = hinfo->creation_time, 438| 1.24k| .file_format_version = hinfo->major_version, 439| 1.24k| .endianness = hinfo->little_endian ? READSTAT_ENDIAN_LITTLE : READSTAT_ENDIAN_BIG, ------------------ | Branch (439:27): [True: 1.03k, False: 218] ------------------ 440| 1.24k| .is64bit = ctx->u64 441| 1.24k| }; 442| 1.24k| retval = readstat_convert(table_name, sizeof(table_name), 443| 1.24k| hinfo->table_name, sizeof(hinfo->table_name), ctx->converter); 444| 1.24k| if (retval != READSTAT_OK) ------------------ | Branch (444:13): [True: 3, False: 1.24k] ------------------ 445| 3| goto cleanup; 446| | 447| 1.24k| metadata.table_name = table_name; 448| | 449| 1.24k| if (ctx->metadata_handler(&metadata, ctx->user_ctx) != READSTAT_HANDLER_OK) { ------------------ | Branch (449:13): [True: 0, False: 1.24k] ------------------ 450| 0| retval = READSTAT_ERROR_USER_ABORT; 451| 0| goto cleanup; 452| 0| } 453| 1.24k| } 454| | 455| 1.24k| if ((page = readstat_malloc(ctx->page_size)) == NULL) { ------------------ | Branch (455:9): [True: 0, False: 1.24k] ------------------ 456| 0| retval = READSTAT_ERROR_MALLOC; 457| 0| goto cleanup; 458| 0| } 459| 1.24k| if (io->seek(ctx->header_size+SAS_CATALOG_FIRST_INDEX_PAGE*ctx->page_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | | 11| 1.24k|#define SAS_CATALOG_FIRST_INDEX_PAGE 1 ------------------ | Branch (459:9): [True: 69, False: 1.17k] ------------------ 460| 69| retval = READSTAT_ERROR_SEEK; 461| 69| goto cleanup; 462| 69| } 463| 1.17k| if (io->read(page, ctx->page_size, io->io_ctx) < ctx->page_size) { ------------------ | Branch (463:9): [True: 42, False: 1.13k] ------------------ 464| 42| retval = READSTAT_ERROR_READ; 465| 42| goto cleanup; 466| 42| } 467| | 468| 1.13k| retval = sas7bcat_augment_index(&page[ctx->xlsr_offset], ctx->page_size - ctx->xlsr_offset, ctx); 469| 1.13k| if (retval != READSTAT_OK) ------------------ | Branch (469:9): [True: 0, False: 1.13k] ------------------ 470| 0| goto cleanup; 471| | 472| | // Pass 1 -- find the XLSR entries 473| 20.9k| for (i=SAS_CATALOG_USELESS_PAGES; ipage_count; i++) { ------------------ | | 12| 1.13k|#define SAS_CATALOG_USELESS_PAGES 3 ------------------ | Branch (473:39): [True: 19.9k, False: 1.03k] ------------------ 474| 19.9k| if (io->seek(ctx->header_size+i*ctx->page_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (474:13): [True: 21, False: 19.8k] ------------------ 475| 21| retval = READSTAT_ERROR_SEEK; 476| 21| goto cleanup; 477| 21| } 478| 19.8k| if (io->read(page, ctx->page_size, io->io_ctx) < ctx->page_size) { ------------------ | Branch (478:13): [True: 80, False: 19.8k] ------------------ 479| 80| retval = READSTAT_ERROR_READ; 480| 80| goto cleanup; 481| 80| } 482| 19.8k| if (memcmp(&page[16], "XLSR", sizeof("XLSR")-1) == 0) { ------------------ | Branch (482:13): [True: 7.52k, False: 12.2k] ------------------ 483| 7.52k| retval = sas7bcat_augment_index(&page[16], ctx->page_size - 16, ctx); 484| 7.52k| if (retval != READSTAT_OK) ------------------ | Branch (484:17): [True: 0, False: 7.52k] ------------------ 485| 0| goto cleanup; 486| 7.52k| } 487| 19.8k| } 488| | 489| 1.03k| sas7bcat_sort_index(ctx); 490| 1.03k| sas7bcat_uniq_index(ctx); 491| | 492| | // Pass 2 -- look up the individual block pointers 493| 13.9k| for (i=0; iblock_pointers_used; i++) { ------------------ | Branch (493:15): [True: 13.5k, False: 482] ------------------ 494| 13.5k| int start_page = ctx->block_pointers[i] >> 32; 495| 13.5k| int start_page_pos = (ctx->block_pointers[i]) & 0xFFFF; 496| | 497| 13.5k| int buffer_len = sas7bcat_block_size(start_page, start_page_pos, ctx, &retval); 498| 13.5k| if (buffer_len == -1) { ------------------ | Branch (498:13): [True: 39, False: 13.4k] ------------------ 499| 39| goto cleanup; 500| 13.4k| } else if (buffer_len == 0) { ------------------ | Branch (500:20): [True: 9.82k, False: 3.64k] ------------------ 501| 9.82k| continue; 502| 9.82k| } 503| 3.64k| if ((buffer = readstat_realloc(buffer, buffer_len)) == NULL) { ------------------ | Branch (503:13): [True: 3, False: 3.63k] ------------------ 504| 3| retval = READSTAT_ERROR_MALLOC; 505| 3| goto cleanup; 506| 3| } 507| 3.63k| if ((retval = sas7bcat_read_block(buffer, buffer_len, start_page, start_page_pos, ctx)) != READSTAT_OK) ------------------ | Branch (507:13): [True: 51, False: 3.58k] ------------------ 508| 51| goto cleanup; 509| 3.58k| if ((retval = sas7bcat_parse_block(buffer, buffer_len, ctx)) != READSTAT_OK) ------------------ | Branch (509:13): [True: 458, False: 3.12k] ------------------ 510| 458| goto cleanup; 511| 3.58k| } 512| | 513| 1.80k|cleanup: 514| 1.80k| io->close(io->io_ctx); 515| 1.80k| if (page) ------------------ | Branch (515:9): [True: 1.24k, False: 562] ------------------ 516| 1.24k| free(page); 517| 1.80k| if (buffer) ------------------ | Branch (517:9): [True: 746, False: 1.06k] ------------------ 518| 746| free(buffer); 519| 1.80k| if (ctx) ------------------ | Branch (519:9): [True: 1.80k, False: 0] ------------------ 520| 1.80k| sas7bcat_ctx_free(ctx); 521| 1.80k| if (hinfo) ------------------ | Branch (521:9): [True: 1.80k, False: 0] ------------------ 522| 1.80k| free(hinfo); 523| | 524| 1.80k| return retval; 525| 1.03k|} readstat_sas7bcat_read.c:sas7bcat_augment_index: 208| 8.65k|static readstat_error_t sas7bcat_augment_index(const char *index, size_t len, sas7bcat_ctx_t *ctx) { 209| 8.65k| const char *xlsr = index; 210| 8.65k| readstat_error_t retval = READSTAT_OK; 211| 36.4k| while (xlsr + ctx->xlsr_size <= index + len) { ------------------ | Branch (211:12): [True: 29.2k, False: 7.21k] ------------------ 212| 29.2k| if (memcmp(xlsr, "XLSR", 4) != 0) // some block pointers seem to have 8 bytes of extra padding ------------------ | Branch (212:13): [True: 14.0k, False: 15.2k] ------------------ 213| 14.0k| xlsr += 8; 214| 29.2k| if (memcmp(xlsr, "XLSR", 4) != 0) ------------------ | Branch (214:13): [True: 1.44k, False: 27.8k] ------------------ 215| 1.44k| break; 216| | 217| 27.8k| if (xlsr[ctx->xlsr_O_offset] == 'O') { ------------------ | Branch (217:13): [True: 25.7k, False: 2.13k] ------------------ 218| 25.7k| uint64_t page = 0, pos = 0; 219| 25.7k| if (ctx->u64) { ------------------ | Branch (219:17): [True: 864, False: 24.8k] ------------------ 220| 864| page = sas_read8(&xlsr[8], ctx->bswap); 221| 864| pos = sas_read2(&xlsr[16], ctx->bswap); 222| 24.8k| } else { 223| 24.8k| page = sas_read4(&xlsr[4], ctx->bswap); 224| 24.8k| pos = sas_read2(&xlsr[8], ctx->bswap); 225| 24.8k| } 226| 25.7k| ctx->block_pointers[ctx->block_pointers_used++] = (page << 32) + pos; 227| 25.7k| } 228| | 229| 27.8k| if (ctx->block_pointers_used == ctx->block_pointers_capacity) { ------------------ | Branch (229:13): [True: 64, False: 27.7k] ------------------ 230| 64| ctx->block_pointers = readstat_realloc(ctx->block_pointers, (ctx->block_pointers_capacity *= 2) * sizeof(uint64_t)); 231| 64| if (ctx->block_pointers == NULL) { ------------------ | Branch (231:17): [True: 0, False: 64] ------------------ 232| 0| retval = READSTAT_ERROR_MALLOC; 233| 0| goto cleanup; 234| 0| } 235| 64| } 236| | 237| 27.8k| xlsr += ctx->xlsr_size; 238| 27.8k| } 239| 8.65k|cleanup: 240| 8.65k| return retval; 241| 8.65k|} readstat_sas7bcat_read.c:sas7bcat_sort_index: 249| 1.03k|static void sas7bcat_sort_index(sas7bcat_ctx_t *ctx) { 250| 1.03k| if (ctx->block_pointers_used == 0) ------------------ | Branch (250:9): [True: 116, False: 917] ------------------ 251| 116| return; 252| | 253| 917| int i; 254| 1.31k| for (i=1; iblock_pointers_used; i++) { ------------------ | Branch (254:15): [True: 608, False: 710] ------------------ 255| 608| if (ctx->block_pointers[i] < ctx->block_pointers[i-1]) { ------------------ | Branch (255:13): [True: 207, False: 401] ------------------ 256| 207| qsort(ctx->block_pointers, ctx->block_pointers_used, sizeof(uint64_t), &compare_block_pointers); 257| 207| break; 258| 207| } 259| 608| } 260| 917|} readstat_sas7bcat_read.c:compare_block_pointers: 243| 99.0k|static int compare_block_pointers(const void *elem1, const void *elem2) { 244| 99.0k| uint64_t v1 = *(const uint64_t *)elem1; 245| 99.0k| uint64_t v2 = *(const uint64_t *)elem2; 246| 99.0k| return v1 - v2; 247| 99.0k|} readstat_sas7bcat_read.c:sas7bcat_uniq_index: 262| 1.03k|static void sas7bcat_uniq_index(sas7bcat_ctx_t *ctx) { 263| 1.03k| if (ctx->block_pointers_used == 0) ------------------ | Branch (263:9): [True: 116, False: 917] ------------------ 264| 116| return; 265| | 266| 917| int i; 267| 917| int out_i = 1; 268| 17.6k| for (i=1; iblock_pointers_used; i++) { ------------------ | Branch (268:15): [True: 16.6k, False: 917] ------------------ 269| 16.6k| if (ctx->block_pointers[i] != ctx->block_pointers[i-1]) { ------------------ | Branch (269:13): [True: 12.6k, False: 4.04k] ------------------ 270| 12.6k| if (out_i != i) { ------------------ | Branch (270:17): [True: 11.0k, False: 1.56k] ------------------ 271| 11.0k| ctx->block_pointers[out_i] = ctx->block_pointers[i]; 272| 11.0k| } 273| 12.6k| out_i++; 274| 12.6k| } 275| 16.6k| } 276| 917| ctx->block_pointers_used = out_i; 277| 917|} readstat_sas7bcat_read.c:sas7bcat_block_size: 279| 13.5k|static int sas7bcat_block_size(int start_page, int start_page_pos, sas7bcat_ctx_t *ctx, readstat_error_t *outError) { 280| 13.5k| readstat_error_t retval = READSTAT_OK; 281| 13.5k| readstat_io_t *io = ctx->io; 282| 13.5k| int next_page = start_page; 283| 13.5k| int next_page_pos = start_page_pos; 284| 13.5k| int link_count = 0; 285| | 286| 13.5k| int buffer_len = 0; 287| 13.5k| int chain_link_len = 0; 288| | 289| 13.5k| char chain_link[32]; 290| 13.5k| int chain_link_header_len = 16; 291| 13.5k| if (ctx->u64) { ------------------ | Branch (291:9): [True: 638, False: 12.8k] ------------------ 292| 638| chain_link_header_len = 32; 293| 638| } 294| | 295| | // calculate buffer size needed 296| 59.7k| while (next_page > 0 && next_page_pos > 0 && next_page <= ctx->page_count && link_count++ < ctx->page_count) { ------------------ | Branch (296:12): [True: 55.2k, False: 4.43k] | Branch (296:29): [True: 54.2k, False: 998] | Branch (296:50): [True: 46.7k, False: 7.52k] | Branch (296:82): [True: 46.2k, False: 516] ------------------ 297| 46.2k| if (io->seek(ctx->header_size+(next_page-1)*ctx->page_size+next_page_pos, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (297:13): [True: 18, False: 46.2k] ------------------ 298| 18| retval = READSTAT_ERROR_SEEK; 299| 18| goto cleanup; 300| 18| } 301| 46.2k| if (io->read(chain_link, chain_link_header_len, io->io_ctx) < chain_link_header_len) { ------------------ | Branch (301:13): [True: 21, False: 46.2k] ------------------ 302| 21| retval = READSTAT_ERROR_READ; 303| 21| goto cleanup; 304| 21| } 305| | 306| 46.2k| if (ctx->u64) { ------------------ | Branch (306:13): [True: 1.39k, False: 44.8k] ------------------ 307| 1.39k| next_page = sas_read4(&chain_link[0], ctx->bswap); 308| 1.39k| next_page_pos = sas_read2(&chain_link[8], ctx->bswap); 309| 1.39k| chain_link_len = sas_read2(&chain_link[10], ctx->bswap); 310| 44.8k| } else { 311| 44.8k| next_page = sas_read4(&chain_link[0], ctx->bswap); 312| 44.8k| next_page_pos = sas_read2(&chain_link[4], ctx->bswap); 313| 44.8k| chain_link_len = sas_read2(&chain_link[6], ctx->bswap); 314| 44.8k| } 315| | 316| 46.2k| buffer_len += chain_link_len; 317| 46.2k| } 318| | 319| 13.5k|cleanup: 320| 13.5k| if (outError) ------------------ | Branch (320:9): [True: 13.5k, False: 0] ------------------ 321| 13.5k| *outError = retval; 322| | 323| 13.5k| return retval == READSTAT_OK ? buffer_len : -1; ------------------ | Branch (323:12): [True: 13.4k, False: 39] ------------------ 324| 13.5k|} readstat_sas7bcat_read.c:sas7bcat_read_block: 327| 3.63k| int start_page, int start_page_pos, sas7bcat_ctx_t *ctx) { 328| 3.63k| readstat_error_t retval = READSTAT_OK; 329| 3.63k| readstat_io_t *io = ctx->io; 330| 3.63k| int next_page = start_page; 331| 3.63k| int next_page_pos = start_page_pos; 332| 3.63k| int link_count = 0; 333| | 334| 3.63k| int chain_link_len = 0; 335| 3.63k| int buffer_offset = 0; 336| | 337| 3.63k| char chain_link[32]; 338| 3.63k| int chain_link_header_len = 16; 339| 3.63k| if (ctx->u64) { ------------------ | Branch (339:9): [True: 553, False: 3.08k] ------------------ 340| 553| chain_link_header_len = 32; 341| 553| } 342| | 343| 47.0k| while (next_page > 0 && next_page_pos > 0 && next_page <= ctx->page_count && link_count++ < ctx->page_count) { ------------------ | Branch (343:12): [True: 45.8k, False: 1.23k] | Branch (343:29): [True: 45.1k, False: 685] | Branch (343:50): [True: 43.9k, False: 1.18k] | Branch (343:82): [True: 43.4k, False: 487] ------------------ 344| 43.4k| if (io->seek(ctx->header_size+(next_page-1)*ctx->page_size+next_page_pos, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (344:13): [True: 0, False: 43.4k] ------------------ 345| 0| retval = READSTAT_ERROR_SEEK; 346| 0| goto cleanup; 347| 0| } 348| 43.4k| if (io->read(chain_link, chain_link_header_len, io->io_ctx) < chain_link_header_len) { ------------------ | Branch (348:13): [True: 0, False: 43.4k] ------------------ 349| 0| retval = READSTAT_ERROR_READ; 350| 0| goto cleanup; 351| 0| } 352| 43.4k| if (ctx->u64) { ------------------ | Branch (352:13): [True: 1.38k, False: 42.0k] ------------------ 353| 1.38k| next_page = sas_read4(&chain_link[0], ctx->bswap); 354| 1.38k| next_page_pos = sas_read2(&chain_link[8], ctx->bswap); 355| 1.38k| chain_link_len = sas_read2(&chain_link[10], ctx->bswap); 356| 42.0k| } else { 357| 42.0k| next_page = sas_read4(&chain_link[0], ctx->bswap); 358| 42.0k| next_page_pos = sas_read2(&chain_link[4], ctx->bswap); 359| 42.0k| chain_link_len = sas_read2(&chain_link[6], ctx->bswap); 360| 42.0k| } 361| 43.4k| if (buffer_offset + chain_link_len > buffer_len) { ------------------ | Branch (361:13): [True: 0, False: 43.4k] ------------------ 362| 0| retval = READSTAT_ERROR_PARSE; 363| 0| goto cleanup; 364| 0| } 365| 43.4k| if (io->read(buffer + buffer_offset, chain_link_len, io->io_ctx) < chain_link_len) { ------------------ | Branch (365:13): [True: 51, False: 43.4k] ------------------ 366| 51| retval = READSTAT_ERROR_READ; 367| 51| goto cleanup; 368| 51| } 369| 43.4k| buffer_offset += chain_link_len; 370| 43.4k| } 371| 3.63k|cleanup: 372| | 373| 3.63k| return retval; 374| 3.63k|} readstat_sas7bcat_read.c:sas7bcat_parse_block: 152| 3.58k|static readstat_error_t sas7bcat_parse_block(const char *data, size_t data_size, sas7bcat_ctx_t *ctx) { 153| 3.58k| readstat_error_t retval = READSTAT_OK; 154| | 155| 3.58k| size_t pad = 0; 156| 3.58k| uint64_t label_count_capacity = 0; 157| 3.58k| uint64_t label_count_used = 0; 158| 3.58k| int payload_offset = 106; 159| 3.58k| uint16_t flags = 0; 160| 3.58k| char name[4*32+1]; 161| | 162| 3.58k| if (data_size < payload_offset) ------------------ | Branch (162:9): [True: 785, False: 2.80k] ------------------ 163| 785| goto cleanup; 164| | 165| 2.80k| flags = sas_read2(&data[2], ctx->bswap); 166| 2.80k| pad = (flags & 0x08) ? 4 : 0; // might be 0x10, not sure ------------------ | Branch (166:11): [True: 1.03k, False: 1.76k] ------------------ 167| 2.80k| if (ctx->u64) { ------------------ | Branch (167:9): [True: 473, False: 2.32k] ------------------ 168| 473| label_count_capacity = sas_read8(&data[42+pad], ctx->bswap); 169| 473| label_count_used = sas_read8(&data[50+pad], ctx->bswap); 170| | 171| 473| payload_offset += 32; 172| 2.32k| } else { 173| 2.32k| label_count_capacity = sas_read4(&data[38+pad], ctx->bswap); 174| 2.32k| label_count_used = sas_read4(&data[42+pad], ctx->bswap); 175| 2.32k| } 176| | 177| 2.80k| if ((retval = readstat_convert(name, sizeof(name), &data[8], 8, ctx->converter)) != READSTAT_OK) ------------------ | Branch (177:9): [True: 3, False: 2.79k] ------------------ 178| 3| goto cleanup; 179| | 180| 2.79k| if (pad) { ------------------ | Branch (180:9): [True: 1.03k, False: 1.76k] ------------------ 181| 1.03k| pad += 16; 182| 1.03k| } 183| | 184| 2.79k| if (((flags & 0x80) && !ctx->u64) || ((flags & 0x20) && ctx->u64)) { // has long name ------------------ | Branch (184:10): [True: 1.30k, False: 1.49k] | Branch (184:28): [True: 1.06k, False: 242] | Branch (184:43): [True: 562, False: 1.17k] | Branch (184:61): [True: 252, False: 310] ------------------ 185| 1.31k| if (data_size < payload_offset + pad + 32) ------------------ | Branch (185:13): [True: 296, False: 1.01k] ------------------ 186| 296| goto cleanup; 187| | 188| 1.01k| retval = readstat_convert(name, sizeof(name), &data[payload_offset+pad], 32, ctx->converter); 189| 1.01k| if (retval != READSTAT_OK) ------------------ | Branch (189:13): [True: 2, False: 1.01k] ------------------ 190| 2| goto cleanup; 191| 1.01k| pad += 32; 192| 1.01k| } 193| | 194| 2.50k| if (data_size < payload_offset + pad) ------------------ | Branch (194:9): [True: 223, False: 2.27k] ------------------ 195| 223| goto cleanup; 196| | 197| 2.27k| if (label_count_used == 0) ------------------ | Branch (197:9): [True: 695, False: 1.58k] ------------------ 198| 695| goto cleanup; 199| | 200| 1.58k| if ((retval = sas7bcat_parse_value_labels(&data[payload_offset+pad], data_size - payload_offset - pad, ------------------ | Branch (200:9): [True: 453, False: 1.13k] ------------------ 201| 1.58k| label_count_used, label_count_capacity, name, ctx)) != READSTAT_OK) 202| 453| goto cleanup; 203| | 204| 3.58k|cleanup: 205| 3.58k| return retval; 206| 1.58k|} readstat_sas7bcat_read.c:sas7bcat_parse_value_labels: 46| 1.58k| int label_count_used, int label_count_capacity, const char *name, sas7bcat_ctx_t *ctx) { 47| 1.58k| readstat_error_t retval = READSTAT_OK; 48| 1.58k| int i; 49| 1.58k| const char *lbp1 = value_start; 50| 1.58k| uint32_t *value_offset = readstat_calloc(label_count_used, sizeof(uint32_t)); 51| | /* Doubles appear to be stored as big-endian, always */ 52| 1.58k| int bswap_doubles = machine_is_little_endian(); 53| 1.58k| int is_string = (name[0] == '$'); 54| 1.58k| char *label = NULL; 55| | 56| 1.58k| if (value_offset == NULL) { ------------------ | Branch (56:9): [True: 164, False: 1.41k] ------------------ 57| 164| retval = READSTAT_ERROR_MALLOC; 58| 164| goto cleanup; 59| 164| } 60| | 61| | /* Pass 1 -- find out the offset of the labels */ 62| 4.53M| for (i=0; i value_labels_len || sas_read2(&lbp1[2], ctx->bswap) < 0) { ------------------ | Branch (63:13): [True: 54, False: 4.53M] | Branch (63:58): [True: 0, False: 4.53M] ------------------ 64| 54| retval = READSTAT_ERROR_PARSE; 65| 54| goto cleanup; 66| 54| } 67| 4.53M| if (ipad1+4] - value_start > value_labels_len) { ------------------ | Branch (68:17): [True: 6, False: 108k] ------------------ 69| 6| retval = READSTAT_ERROR_PARSE; 70| 6| goto cleanup; 71| 6| } 72| 108k| uint32_t label_pos = sas_read4(&lbp1[10+ctx->pad1], ctx->bswap); 73| 108k| if (label_pos >= label_count_used) { ------------------ | Branch (73:17): [True: 57, False: 107k] ------------------ 74| 57| retval = READSTAT_ERROR_PARSE; 75| 57| goto cleanup; 76| 57| } 77| 107k| value_offset[label_pos] = lbp1 - value_start; 78| 107k| } 79| 4.53M| lbp1 += 6 + sas_read2(&lbp1[2], ctx->bswap); 80| 4.53M| } 81| | 82| 1.30k| const char *lbp2 = lbp1; 83| | 84| | /* Pass 2 -- parse pairs of values & labels */ 85| 30.3k| for (i=0; i value_labels_len || ------------------ | Branch (88:13): [True: 9, False: 29.2k] ------------------ 89| 29.2k| &lbp2[10] - value_start > value_labels_len) { ------------------ | Branch (89:17): [True: 127, False: 29.1k] ------------------ 90| 136| retval = READSTAT_ERROR_PARSE; 91| 136| goto cleanup; 92| 136| } 93| 29.1k| readstat_value_t value = { .type = is_string ? READSTAT_TYPE_STRING : READSTAT_TYPE_DOUBLE }; ------------------ | Branch (93:44): [True: 607, False: 28.5k] ------------------ 94| 29.1k| char string_val[4*16+1]; 95| 29.1k| if (is_string) { ------------------ | Branch (95:13): [True: 607, False: 28.5k] ------------------ 96| 607| size_t value_entry_len = 6 + sas_read2(&lbp1[2], ctx->bswap); 97| 607| retval = readstat_convert(string_val, sizeof(string_val), 98| 607| &lbp1[value_entry_len-16], 16, ctx->converter); 99| 607| if (retval != READSTAT_OK) ------------------ | Branch (99:17): [True: 1, False: 606] ------------------ 100| 1| goto cleanup; 101| | 102| 606| value.v.string_value = string_val; 103| 28.5k| } else { 104| 28.5k| uint64_t val = sas_read8(&lbp1[22], bswap_doubles); 105| 28.5k| double dval = NAN; 106| 28.5k| if ((val | 0xFF0000000000) == 0xFFFFFFFFFFFF) { ------------------ | Branch (106:17): [True: 1.73k, False: 26.7k] ------------------ 107| 1.73k| sas_assign_tag(&value, (val >> 40)); 108| 26.7k| } else { 109| 26.7k| memcpy(&dval, &val, 8); 110| 26.7k| if (dval > 0.0) { ------------------ | Branch (110:21): [True: 23.6k, False: 3.09k] ------------------ 111| 23.6k| val = ~val; 112| 23.6k| memcpy(&dval, &val, 8); 113| 23.6k| } else { 114| 3.09k| dval *= -1.0; 115| 3.09k| } 116| 26.7k| } 117| | 118| 28.5k| value.v.double_value = dval; 119| 28.5k| } 120| 29.1k| size_t label_len = sas_read2(&lbp2[8], ctx->bswap); 121| 29.1k| if (&lbp2[10] > value_start + value_labels_len) { ------------------ | Branch (121:13): [True: 0, False: 29.1k] ------------------ 122| 0| retval = READSTAT_ERROR_PARSE; 123| 0| goto cleanup; 124| 0| } 125| | /* Some labels seem to overflow the reported block length, truncate it */ 126| | /* (Observed with formats.sasbcat from GSS2021, produced with 9.0401M6X64_SR12R2 */ 127| 29.1k| if (label_len > value_start + value_labels_len - &lbp2[10]) { ------------------ | Branch (127:13): [True: 349, False: 28.7k] ------------------ 128| 349| label_len = value_start + value_labels_len - &lbp2[10]; 129| 349| } 130| 29.1k| if (ctx->value_label_handler) { ------------------ | Branch (130:13): [True: 29.1k, False: 0] ------------------ 131| 29.1k| label = realloc(label, 4 * label_len + 1); 132| 29.1k| retval = readstat_convert(label, 4 * label_len + 1, 133| 29.1k| &lbp2[10], label_len, ctx->converter); 134| 29.1k| if (retval != READSTAT_OK) ------------------ | Branch (134:17): [True: 35, False: 29.0k] ------------------ 135| 35| goto cleanup; 136| | 137| 29.0k| if (ctx->value_label_handler(name, value, label, ctx->user_ctx) != READSTAT_HANDLER_OK) { ------------------ | Branch (137:17): [True: 0, False: 29.0k] ------------------ 138| 0| retval = READSTAT_ERROR_USER_ABORT; 139| 0| goto cleanup; 140| 0| } 141| 29.0k| } 142| | 143| 29.0k| lbp2 += 8 + 2 + label_len + 1; 144| 29.0k| } 145| | 146| 1.58k|cleanup: 147| 1.58k| free(label); 148| 1.58k| free(value_offset); 149| 1.58k| return retval; 150| 1.30k|} readstat_sas7bcat_read.c:sas7bcat_ctx_free: 36| 1.80k|static void sas7bcat_ctx_free(sas7bcat_ctx_t *ctx) { 37| 1.80k| if (ctx->converter) ------------------ | Branch (37:9): [True: 722, False: 1.08k] ------------------ 38| 722| iconv_close(ctx->converter); 39| 1.80k| if (ctx->block_pointers) ------------------ | Branch (39:9): [True: 1.80k, False: 0] ------------------ 40| 1.80k| free(ctx->block_pointers); 41| | 42| 1.80k| free(ctx); 43| 1.80k|} rt_open_handler: 8| 1.80k|int rt_open_handler(const char *path, void *io_ctx) { 9| 1.80k| return 0; 10| 1.80k|} rt_close_handler: 12| 1.80k|int rt_close_handler(void *io_ctx) { 13| 1.80k| return 0; 14| 1.80k|} rt_seek_handler: 17| 115k| readstat_io_flags_t whence, void *io_ctx) { 18| 115k| rt_buffer_ctx_t *buffer_ctx = (rt_buffer_ctx_t *)io_ctx; 19| 115k| readstat_off_t newpos = -1; 20| 115k| if (whence == READSTAT_SEEK_SET) { ------------------ | Branch (20:9): [True: 112k, False: 3.08k] ------------------ 21| 112k| newpos = offset; 22| 112k| } else if (whence == READSTAT_SEEK_CUR) { ------------------ | Branch (22:16): [True: 3.08k, False: 0] ------------------ 23| 3.08k| newpos = buffer_ctx->pos + offset; 24| 3.08k| } else if (whence == READSTAT_SEEK_END) { ------------------ | Branch (24:16): [True: 0, False: 0] ------------------ 25| 0| newpos = buffer_ctx->buffer->used + offset; 26| 0| } 27| | 28| 115k| if (newpos < 0) ------------------ | Branch (28:9): [True: 0, False: 115k] ------------------ 29| 0| return -1; 30| | 31| 115k| if (newpos > buffer_ctx->buffer->used) ------------------ | Branch (31:9): [True: 258, False: 115k] ------------------ 32| 258| return -1; 33| | 34| 115k| buffer_ctx->pos = newpos; 35| 115k| return newpos; 36| 115k|} rt_read_handler: 38| 168k|ssize_t rt_read_handler(void *buf, size_t nbytes, void *io_ctx) { 39| 168k| rt_buffer_ctx_t *buffer_ctx = (rt_buffer_ctx_t *)io_ctx; 40| 168k| ssize_t bytes_copied = 0; 41| 168k| ssize_t bytes_left = buffer_ctx->buffer->used - buffer_ctx->pos; 42| 168k| if (nbytes <= bytes_left) { ------------------ | Branch (42:9): [True: 168k, False: 319] ------------------ 43| 168k| memcpy(buf, buffer_ctx->buffer->bytes + buffer_ctx->pos, nbytes); 44| 168k| bytes_copied = nbytes; 45| 168k| } else if (bytes_left > 0) { ------------------ | Branch (45:16): [True: 172, False: 147] ------------------ 46| 172| memcpy(buf, buffer_ctx->buffer->bytes + buffer_ctx->pos, bytes_left); 47| 172| bytes_copied = bytes_left; 48| 172| } 49| 168k| buffer_ctx->pos += bytes_copied; 50| 168k| return bytes_copied; 51| 168k|}