fuzzer_parser_init: 33| 1.62k|readstat_parser_t *fuzzer_parser_init(const uint8_t *Data, size_t Size) { 34| 1.62k| readstat_parser_t *parser = readstat_parser_init(); 35| 1.62k| readstat_set_open_handler(parser, rt_open_handler); 36| 1.62k| readstat_set_close_handler(parser, rt_close_handler); 37| 1.62k| readstat_set_seek_handler(parser, rt_seek_handler); 38| 1.62k| readstat_set_read_handler(parser, rt_read_handler); 39| 1.62k| readstat_set_update_handler(parser, rt_update_handler); 40| | 41| 1.62k| readstat_set_metadata_handler(parser, &handle_metadata); 42| 1.62k| readstat_set_note_handler(parser, &handle_note); 43| 1.62k| readstat_set_variable_handler(parser, &handle_variable); 44| 1.62k| readstat_set_fweight_handler(parser, &handle_fweight); 45| 1.62k| readstat_set_value_handler(parser, &handle_value); 46| 1.62k| readstat_set_value_label_handler(parser, &handle_value_label); 47| | 48| 1.62k| return parser; 49| 1.62k|} fuzz_format.c:handle_metadata: 8| 1.11k|static int handle_metadata(readstat_metadata_t *metadata, void *ctx) { 9| 1.11k| return READSTAT_HANDLER_OK; 10| 1.11k|} fuzz_format.c:handle_value_label: 29| 6.50k|static int handle_value_label(const char *val_labels, readstat_value_t value, const char *label, void *ctx) { 30| 6.50k| return READSTAT_HANDLER_OK; 31| 6.50k|} LLVMFuzzerTestOneInput: 10| 1.62k|int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 11| 1.62k| rt_buffer_t buffer = { .bytes = (char *)Data, .size = Size, .used = Size }; 12| 1.62k| rt_buffer_ctx_t buffer_ctx = { .buffer = &buffer }; 13| | 14| 1.62k| readstat_parser_t *parser = fuzzer_parser_init(Data, Size); 15| 1.62k| readstat_set_io_ctx(parser, &buffer_ctx); 16| | 17| 1.62k| readstat_parse_sas7bcat(parser, NULL, NULL); 18| 1.62k| readstat_parser_free(parser); 19| 1.62k| return 0; 20| 1.62k|} machine_is_little_endian: 11| 3.69k|int machine_is_little_endian(void) { 12| 3.69k| int test_byte_order = 1; 13| 3.69k| return ((char *)&test_byte_order)[0]; 14| 3.69k|} byteswap2: 40| 12.6k|uint16_t byteswap2(uint16_t num) { 41| 12.6k| return ((num & 0xFF00) >> 8) | ((num & 0x00FF) << 8); 42| 12.6k|} byteswap4: 44| 6.95k|uint32_t byteswap4(uint32_t num) { 45| 6.95k| num = ((num & 0xFFFF0000) >> 16) | ((num & 0x0000FFFF) << 16); 46| 6.95k| return ((num & 0xFF00FF00) >> 8) | ((num & 0x00FF00FF) << 8); 47| 6.95k|} byteswap8: 49| 6.90k|uint64_t byteswap8(uint64_t num) { 50| 6.90k| num = ((num & 0xFFFFFFFF00000000) >> 32) | ((num & 0x00000000FFFFFFFF) << 32); 51| 6.90k| num = ((num & 0xFFFF0000FFFF0000) >> 16) | ((num & 0x0000FFFF0000FFFF) << 16); 52| 6.90k| return ((num & 0xFF00FF00FF00FF00) >> 8) | ((num & 0x00FF00FF00FF00FF) << 8); 53| 6.90k|} byteswap_double: 63| 739|double byteswap_double(double num) { 64| 739| uint64_t answer = 0; 65| 739| memcpy(&answer, &num, 8); 66| 739| answer = byteswap8(answer); 67| 739| memcpy(&num, &answer, 8); 68| 739| return num; 69| 739|} readstat_convert: 7| 11.2k|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| 47.0k| while (src_len && (src[src_len-1] == ' ' || src[src_len-1] == '\0')) { ------------------ | Branch (10:12): [True: 40.3k, False: 6.68k] | Branch (10:24): [True: 821, False: 39.5k] | Branch (10:49): [True: 34.9k, False: 4.54k] ------------------ 11| 35.8k| src_len--; 12| 35.8k| } 13| 11.2k| if (dst_len == 0) { ------------------ | Branch (13:9): [True: 0, False: 11.2k] ------------------ 14| 0| return READSTAT_ERROR_CONVERT_LONG_STRING; 15| 11.2k| } else if (converter) { ------------------ | Branch (15:16): [True: 6.90k, False: 4.32k] ------------------ 16| 6.90k| size_t dst_left = dst_len - 1; 17| 6.90k| char *dst_end = dst; 18| 6.90k| size_t status = iconv(converter, (readstat_iconv_inbuf_t)&src, &src_len, &dst_end, &dst_left); 19| 6.90k| if (status == (size_t)-1) { ------------------ | Branch (19:13): [True: 532, False: 6.36k] ------------------ 20| 532| if (errno == E2BIG) { ------------------ | Branch (20:17): [True: 1, False: 531] ------------------ 21| 1| return READSTAT_ERROR_CONVERT_LONG_STRING; 22| 531| } else if (errno == EILSEQ) { ------------------ | Branch (22:24): [True: 25, False: 506] ------------------ 23| 25| return READSTAT_ERROR_CONVERT_BAD_STRING; 24| 506| } else if (errno != EINVAL) { /* EINVAL indicates improper truncation; accept it */ ------------------ | Branch (24:24): [True: 0, False: 506] ------------------ 25| 0| return READSTAT_ERROR_CONVERT; 26| 0| } 27| 532| } 28| 6.87k| dst[dst_len - dst_left - 1] = '\0'; 29| 6.87k| } else if (src_len + 1 > dst_len) { ------------------ | Branch (29:16): [True: 0, False: 4.32k] ------------------ 30| 0| return READSTAT_ERROR_CONVERT_LONG_STRING; 31| 4.32k| } else { 32| 4.32k| memcpy(dst, src, src_len); 33| 4.32k| dst[src_len] = '\0'; 34| 4.32k| } 35| 11.2k| return READSTAT_OK; 36| 11.2k|} unistd_io_init: 121| 1.62k|readstat_error_t unistd_io_init(readstat_parser_t *parser) { 122| 1.62k| readstat_error_t retval = READSTAT_OK; 123| 1.62k| unistd_io_ctx_t *io_ctx = NULL; 124| | 125| 1.62k| if ((retval = readstat_set_open_handler(parser, unistd_open_handler)) != READSTAT_OK) ------------------ | Branch (125:9): [True: 0, False: 1.62k] ------------------ 126| 0| return retval; 127| | 128| 1.62k| if ((retval = readstat_set_close_handler(parser, unistd_close_handler)) != READSTAT_OK) ------------------ | Branch (128:9): [True: 0, False: 1.62k] ------------------ 129| 0| return retval; 130| | 131| 1.62k| if ((retval = readstat_set_seek_handler(parser, unistd_seek_handler)) != READSTAT_OK) ------------------ | Branch (131:9): [True: 0, False: 1.62k] ------------------ 132| 0| return retval; 133| | 134| 1.62k| if ((retval = readstat_set_read_handler(parser, unistd_read_handler)) != READSTAT_OK) ------------------ | Branch (134:9): [True: 0, False: 1.62k] ------------------ 135| 0| return retval; 136| | 137| 1.62k| if ((readstat_set_update_handler(parser, unistd_update_handler)) != READSTAT_OK) ------------------ | Branch (137:9): [True: 0, False: 1.62k] ------------------ 138| 0| return retval; 139| | 140| 1.62k| io_ctx = calloc(1, sizeof(unistd_io_ctx_t)); 141| 1.62k| io_ctx->fd = -1; 142| | 143| 1.62k| retval = readstat_set_io_ctx(parser, (void*) io_ctx); 144| 1.62k| parser->io->io_ctx_needs_free = 1; 145| | 146| 1.62k| return retval; 147| 1.62k|} readstat_malloc: 10| 1.11k|void *readstat_malloc(size_t len) { 11| 1.11k| if (len > MAX_MALLOC_SIZE || len == 0) { ------------------ | | 3| 2.23k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (11:9): [True: 0, False: 1.11k] | Branch (11:34): [True: 0, False: 1.11k] ------------------ 12| 0| return NULL; 13| 0| } 14| 1.11k| return malloc(len); 15| 1.11k|} readstat_calloc: 17| 1.12k|void *readstat_calloc(size_t count, size_t size) { 18| 1.12k| if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 2.24k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 2.13k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ if (count > MAX_MALLOC_SIZE || size > MAX_MALLOC_SIZE || count * size > MAX_MALLOC_SIZE) { ------------------ | | 3| 1.00k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (18:9): [True: 117, False: 1.00k] | Branch (18:36): [True: 0, False: 1.00k] | Branch (18:62): [True: 32, False: 975] ------------------ 19| 149| return NULL; 20| 149| } 21| 975| if (count == 0 || size == 0) { ------------------ | Branch (21:9): [True: 6, False: 969] | Branch (21:23): [True: 0, False: 969] ------------------ 22| 6| return NULL; 23| 6| } 24| 969| return calloc(count, size); 25| 975|} readstat_realloc: 27| 2.79k|void *readstat_realloc(void *ptr, size_t len) { 28| 2.79k| if (len > MAX_MALLOC_SIZE || len == 0) { ------------------ | | 3| 5.58k|#define MAX_MALLOC_SIZE 0x1000000 ------------------ | Branch (28:9): [True: 3, False: 2.79k] | Branch (28:34): [True: 0, False: 2.79k] ------------------ 29| 3| if (ptr) ------------------ | Branch (29:13): [True: 1, False: 2] ------------------ 30| 1| free(ptr); 31| 3| return NULL; 32| 3| } 33| 2.79k| return realloc(ptr, len); 34| 2.79k|} readstat_parser_init: 6| 1.62k|readstat_parser_t *readstat_parser_init(void) { 7| 1.62k| readstat_parser_t *parser = calloc(1, sizeof(readstat_parser_t)); 8| 1.62k| parser->io = calloc(1, sizeof(readstat_io_t)); 9| 1.62k| if (unistd_io_init(parser) != READSTAT_OK) { ------------------ | Branch (9:9): [True: 0, False: 1.62k] ------------------ 10| 0| readstat_parser_free(parser); 11| 0| return NULL; 12| 0| } 13| 1.62k| parser->output_encoding = "UTF-8"; 14| 1.62k| return parser; 15| 1.62k|} readstat_parser_free: 17| 1.62k|void readstat_parser_free(readstat_parser_t *parser) { 18| 1.62k| if (parser) { ------------------ | Branch (18:9): [True: 1.62k, False: 0] ------------------ 19| 1.62k| if (parser->io) { ------------------ | Branch (19:13): [True: 1.62k, False: 0] ------------------ 20| 1.62k| readstat_set_io_ctx(parser, NULL); 21| 1.62k| free(parser->io); 22| 1.62k| } 23| 1.62k| free(parser); 24| 1.62k| } 25| 1.62k|} readstat_set_metadata_handler: 27| 1.62k|readstat_error_t readstat_set_metadata_handler(readstat_parser_t *parser, readstat_metadata_handler metadata_handler) { 28| 1.62k| parser->handlers.metadata = metadata_handler; 29| 1.62k| return READSTAT_OK; 30| 1.62k|} readstat_set_note_handler: 32| 1.62k|readstat_error_t readstat_set_note_handler(readstat_parser_t *parser, readstat_note_handler note_handler) { 33| 1.62k| parser->handlers.note = note_handler; 34| 1.62k| return READSTAT_OK; 35| 1.62k|} readstat_set_variable_handler: 37| 1.62k|readstat_error_t readstat_set_variable_handler(readstat_parser_t *parser, readstat_variable_handler variable_handler) { 38| 1.62k| parser->handlers.variable = variable_handler; 39| 1.62k| return READSTAT_OK; 40| 1.62k|} readstat_set_value_handler: 42| 1.62k|readstat_error_t readstat_set_value_handler(readstat_parser_t *parser, readstat_value_handler value_handler) { 43| 1.62k| parser->handlers.value = value_handler; 44| 1.62k| return READSTAT_OK; 45| 1.62k|} readstat_set_value_label_handler: 47| 1.62k|readstat_error_t readstat_set_value_label_handler(readstat_parser_t *parser, readstat_value_label_handler label_handler) { 48| 1.62k| parser->handlers.value_label = label_handler; 49| 1.62k| return READSTAT_OK; 50| 1.62k|} readstat_set_fweight_handler: 62| 1.62k|readstat_error_t readstat_set_fweight_handler(readstat_parser_t *parser, readstat_fweight_handler fweight_handler) { 63| 1.62k| parser->handlers.fweight = fweight_handler; 64| 1.62k| return READSTAT_OK; 65| 1.62k|} readstat_set_open_handler: 67| 3.24k|readstat_error_t readstat_set_open_handler(readstat_parser_t *parser, readstat_open_handler open_handler) { 68| 3.24k| parser->io->open = open_handler; 69| 3.24k| return READSTAT_OK; 70| 3.24k|} readstat_set_close_handler: 72| 3.24k|readstat_error_t readstat_set_close_handler(readstat_parser_t *parser, readstat_close_handler close_handler) { 73| 3.24k| parser->io->close = close_handler; 74| 3.24k| return READSTAT_OK; 75| 3.24k|} readstat_set_seek_handler: 77| 3.24k|readstat_error_t readstat_set_seek_handler(readstat_parser_t *parser, readstat_seek_handler seek_handler) { 78| 3.24k| parser->io->seek = seek_handler; 79| 3.24k| return READSTAT_OK; 80| 3.24k|} readstat_set_read_handler: 82| 3.24k|readstat_error_t readstat_set_read_handler(readstat_parser_t *parser, readstat_read_handler read_handler) { 83| 3.24k| parser->io->read = read_handler; 84| 3.24k| return READSTAT_OK; 85| 3.24k|} readstat_set_update_handler: 87| 3.24k|readstat_error_t readstat_set_update_handler(readstat_parser_t *parser, readstat_update_handler update_handler) { 88| 3.24k| parser->io->update = update_handler; 89| 3.24k| return READSTAT_OK; 90| 3.24k|} readstat_set_io_ctx: 92| 4.86k|readstat_error_t readstat_set_io_ctx(readstat_parser_t *parser, void *io_ctx) { 93| 4.86k| if (parser->io->io_ctx_needs_free) { ------------------ | Branch (93:9): [True: 1.62k, False: 3.24k] ------------------ 94| 1.62k| free(parser->io->io_ctx); 95| 1.62k| } 96| | 97| 4.86k| parser->io->io_ctx = io_ctx; 98| 4.86k| parser->io->io_ctx_needs_free = 0; 99| | 100| 4.86k| return READSTAT_OK; 101| 4.86k|} sas_read8: 138| 7.96k|uint64_t sas_read8(const char *data, int bswap) { 139| 7.96k| uint64_t tmp; 140| 7.96k| memcpy(&tmp, data, 8); 141| 7.96k| return bswap ? byteswap8(tmp) : tmp; ------------------ | Branch (141:12): [True: 6.14k, False: 1.82k] ------------------ 142| 7.96k|} sas_read4: 144| 76.6k|uint32_t sas_read4(const char *data, int bswap) { 145| 76.6k| uint32_t tmp; 146| 76.6k| memcpy(&tmp, data, 4); 147| 76.6k| return bswap ? byteswap4(tmp) : tmp; ------------------ | Branch (147:12): [True: 5.94k, False: 70.7k] ------------------ 148| 76.6k|} sas_read2: 150| 4.96M|uint16_t sas_read2(const char *data, int bswap) { 151| 4.96M| uint16_t tmp; 152| 4.96M| memcpy(&tmp, data, 2); 153| 4.96M| return bswap ? byteswap2(tmp) : tmp; ------------------ | Branch (153:12): [True: 12.6k, False: 4.95M] ------------------ 154| 4.96M|} sas_read_header: 161| 1.62k| readstat_error_handler error_handler, void *user_ctx) { 162| 1.62k| sas_header_start_t header_start; 163| 1.62k| sas_header_end_t header_end; 164| 1.62k| int retval = READSTAT_OK; 165| 1.62k| char error_buf[1024]; 166| 1.62k| time_t epoch = sas_epoch(); 167| | 168| 1.62k| if (io->read(&header_start, sizeof(sas_header_start_t), io->io_ctx) < sizeof(sas_header_start_t)) { ------------------ | Branch (168:9): [True: 20, False: 1.60k] ------------------ 169| 20| retval = READSTAT_ERROR_READ; 170| 20| goto cleanup; 171| 20| } 172| 1.60k| if (memcmp(header_start.magic, sas7bdat_magic_number, sizeof(sas7bdat_magic_number)) != 0 && ------------------ | Branch (172:9): [True: 1.09k, False: 505] ------------------ 173| 1.60k| memcmp(header_start.magic, sas7bcat_magic_number, sizeof(sas7bcat_magic_number)) != 0) { ------------------ | Branch (173:13): [True: 138, False: 960] ------------------ 174| 138| retval = READSTAT_ERROR_PARSE; 175| 138| goto cleanup; 176| 138| } 177| 1.46k| if (header_start.a1 == SAS_ALIGNMENT_OFFSET_4) { ------------------ | | 74| 1.46k|#define SAS_ALIGNMENT_OFFSET_4 0x33 ------------------ | Branch (177:9): [True: 9, False: 1.45k] ------------------ 178| 9| hinfo->pad1 = 4; 179| 9| } 180| 1.46k| if (header_start.a2 == SAS_ALIGNMENT_OFFSET_4) { ------------------ | | 74| 1.46k|#define SAS_ALIGNMENT_OFFSET_4 0x33 ------------------ | Branch (180:9): [True: 366, False: 1.09k] ------------------ 181| 366| hinfo->u64 = 1; 182| 366| } 183| 1.46k| int bswap = 0; 184| 1.46k| if (header_start.endian == SAS_ENDIAN_BIG) { ------------------ | | 67| 1.46k|#define SAS_ENDIAN_BIG 0x00 ------------------ | Branch (184:9): [True: 383, False: 1.08k] ------------------ 185| 383| bswap = machine_is_little_endian(); 186| 383| hinfo->little_endian = 0; 187| 1.08k| } else if (header_start.endian == SAS_ENDIAN_LITTLE) { ------------------ | | 68| 1.08k|#define SAS_ENDIAN_LITTLE 0x01 ------------------ | Branch (187:16): [True: 1.06k, False: 15] ------------------ 188| 1.06k| bswap = !machine_is_little_endian(); 189| 1.06k| hinfo->little_endian = 1; 190| 1.06k| } else { 191| 15| retval = READSTAT_ERROR_PARSE; 192| 15| goto cleanup; 193| 15| } 194| 1.45k| int i; 195| 22.2k| for (i=0; iencoding = _charset_table[i].name; 198| 1.44k| break; 199| 1.44k| } 200| 22.2k| } 201| 1.45k| if (hinfo->encoding == NULL) { ------------------ | Branch (201:9): [True: 5, False: 1.44k] ------------------ 202| 5| if (error_handler) { ------------------ | Branch (202:13): [True: 0, False: 5] ------------------ 203| 0| snprintf(error_buf, sizeof(error_buf), "Unsupported character set code: %d", header_start.encoding); 204| 0| error_handler(error_buf, user_ctx); 205| 0| } 206| 5| retval = READSTAT_ERROR_UNSUPPORTED_CHARSET; 207| 5| goto cleanup; 208| 5| } 209| 1.44k| memcpy(hinfo->table_name, header_start.table_name, sizeof(header_start.table_name)); 210| 1.44k| if (io->seek(hinfo->pad1, READSTAT_SEEK_CUR, io->io_ctx) == -1) { ------------------ | Branch (210:9): [True: 3, False: 1.44k] ------------------ 211| 3| retval = READSTAT_ERROR_SEEK; 212| 3| goto cleanup; 213| 3| } 214| | 215| 1.44k| double creation_time, modification_time; 216| | 217| 1.44k| if (io->read(&creation_time, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (217:9): [True: 12, False: 1.43k] ------------------ 218| 12| retval = READSTAT_ERROR_READ; 219| 12| goto cleanup; 220| 12| } 221| 1.43k| if (bswap) ------------------ | Branch (221:9): [True: 371, False: 1.05k] ------------------ 222| 371| creation_time = byteswap_double(creation_time); 223| | 224| 1.43k| if (io->read(&modification_time, sizeof(double), io->io_ctx) < sizeof(double)) { ------------------ | Branch (224:9): [True: 6, False: 1.42k] ------------------ 225| 6| retval = READSTAT_ERROR_READ; 226| 6| goto cleanup; 227| 6| } 228| 1.42k| if (bswap) ------------------ | Branch (228:9): [True: 368, False: 1.05k] ------------------ 229| 368| modification_time = byteswap_double(modification_time); 230| | 231| 1.42k| hinfo->creation_time = sas_convert_time(creation_time, epoch); 232| 1.42k| hinfo->modification_time = sas_convert_time(modification_time, epoch); 233| | 234| 1.42k| if (io->seek(16, READSTAT_SEEK_CUR, io->io_ctx) == -1) { ------------------ | Branch (234:9): [True: 10, False: 1.41k] ------------------ 235| 10| retval = READSTAT_ERROR_SEEK; 236| 10| goto cleanup; 237| 10| } 238| | 239| 1.41k| uint32_t header_size, page_size; 240| | 241| 1.41k| if (io->read(&header_size, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (241:9): [True: 3, False: 1.41k] ------------------ 242| 3| retval = READSTAT_ERROR_READ; 243| 3| goto cleanup; 244| 3| } 245| 1.41k| if (io->read(&page_size, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (245:9): [True: 3, False: 1.40k] ------------------ 246| 3| retval = READSTAT_ERROR_READ; 247| 3| goto cleanup; 248| 3| } 249| | 250| 1.40k| hinfo->header_size = bswap ? byteswap4(header_size) : header_size; ------------------ | Branch (250:26): [True: 361, False: 1.04k] ------------------ 251| 1.40k| hinfo->page_size = bswap ? byteswap4(page_size) : page_size; ------------------ | Branch (251:24): [True: 361, False: 1.04k] ------------------ 252| | 253| 1.40k| if (hinfo->header_size < 1024 || hinfo->page_size < 1024) { ------------------ | Branch (253:9): [True: 11, False: 1.39k] | Branch (253:38): [True: 12, False: 1.38k] ------------------ 254| 23| retval = READSTAT_ERROR_PARSE; 255| 23| goto cleanup; 256| 23| } 257| 1.38k| if (hinfo->header_size > (1<<24) || hinfo->page_size > (1<<24)) { ------------------ | Branch (257:9): [True: 17, False: 1.36k] | Branch (257:41): [True: 29, False: 1.33k] ------------------ 258| 46| retval = READSTAT_ERROR_PARSE; 259| 46| goto cleanup; 260| 46| } 261| | 262| 1.33k| if (hinfo->u64) { ------------------ | Branch (262:9): [True: 349, False: 990] ------------------ 263| 349| hinfo->page_header_size = SAS_PAGE_HEADER_SIZE_64BIT; ------------------ | | 105| 349|#define SAS_PAGE_HEADER_SIZE_64BIT 40 ------------------ 264| 349| hinfo->subheader_pointer_size = SAS_SUBHEADER_POINTER_SIZE_64BIT; ------------------ | | 102| 349|#define SAS_SUBHEADER_POINTER_SIZE_64BIT 24 ------------------ 265| 990| } else { 266| 990| hinfo->page_header_size = SAS_PAGE_HEADER_SIZE_32BIT; ------------------ | | 104| 990|#define SAS_PAGE_HEADER_SIZE_32BIT 24 ------------------ 267| 990| hinfo->subheader_pointer_size = SAS_SUBHEADER_POINTER_SIZE_32BIT; ------------------ | | 101| 990|#define SAS_SUBHEADER_POINTER_SIZE_32BIT 12 ------------------ 268| 990| } 269| | 270| 1.33k| if (hinfo->u64) { ------------------ | Branch (270:9): [True: 349, False: 990] ------------------ 271| 349| uint64_t page_count; 272| 349| if (io->read(&page_count, sizeof(uint64_t), io->io_ctx) < sizeof(uint64_t)) { ------------------ | Branch (272:13): [True: 8, False: 341] ------------------ 273| 8| retval = READSTAT_ERROR_READ; 274| 8| goto cleanup; 275| 8| } 276| 341| hinfo->page_count = bswap ? byteswap8(page_count) : page_count; ------------------ | Branch (276:29): [True: 17, False: 324] ------------------ 277| 990| } else { 278| 990| uint32_t page_count; 279| 990| if (io->read(&page_count, sizeof(uint32_t), io->io_ctx) < sizeof(uint32_t)) { ------------------ | Branch (279:13): [True: 27, False: 963] ------------------ 280| 27| retval = READSTAT_ERROR_READ; 281| 27| goto cleanup; 282| 27| } 283| 963| hinfo->page_count = bswap ? byteswap4(page_count) : page_count; ------------------ | Branch (283:29): [True: 288, False: 675] ------------------ 284| 963| } 285| 1.30k| if (hinfo->page_count > (1<<24)) { ------------------ | Branch (285:9): [True: 10, False: 1.29k] ------------------ 286| 10| retval = READSTAT_ERROR_PARSE; 287| 10| goto cleanup; 288| 10| } 289| | 290| 1.29k| if (io->seek(8, READSTAT_SEEK_CUR, io->io_ctx) == -1) { ------------------ | Branch (290:9): [True: 79, False: 1.21k] ------------------ 291| 79| retval = READSTAT_ERROR_SEEK; 292| 79| if (error_handler) { ------------------ | Branch (292:13): [True: 0, False: 79] ------------------ 293| 0| snprintf(error_buf, sizeof(error_buf), "ReadStat: Failed to seek forward by %d", 8); 294| 0| error_handler(error_buf, user_ctx); 295| 0| } 296| 79| goto cleanup; 297| 79| } 298| 1.21k| if (io->read(&header_end, sizeof(sas_header_end_t), io->io_ctx) < sizeof(sas_header_end_t)) { ------------------ | Branch (298:9): [True: 18, False: 1.19k] ------------------ 299| 18| retval = READSTAT_ERROR_READ; 300| 18| goto cleanup; 301| 18| } 302| 1.19k| char major; 303| 1.19k| int minor, revision; 304| 1.19k| if (sscanf(header_end.release, "%c.%04dM%1d", &major, &minor, &revision) != 3) { ------------------ | Branch (304:9): [True: 4, False: 1.19k] ------------------ 305| 4| retval = READSTAT_ERROR_PARSE; 306| 4| goto cleanup; 307| 4| } 308| | 309| 1.19k| if (major >= '1' && major <= '9') { ------------------ | Branch (309:9): [True: 1.18k, False: 11] | Branch (309:25): [True: 1.17k, False: 9] ------------------ 310| 1.17k| hinfo->major_version = major - '0'; 311| 1.17k| } else if (major == 'V') { ------------------ | Branch (311:16): [True: 2, False: 18] ------------------ 312| | // It appears that SAS Visual Forecaster reports the major version as "V" 313| | // Treat it as version 9 for all intents and purposes 314| 2| hinfo->major_version = 9; 315| 18| } else { 316| 18| retval = READSTAT_ERROR_PARSE; 317| 18| goto cleanup; 318| 18| } 319| 1.17k| hinfo->minor_version = minor; 320| 1.17k| hinfo->revision = revision; 321| | 322| 1.17k| if ((major == '8' || major == '9') && minor == 0 && revision == 0) { ------------------ | Branch (322:10): [True: 59, False: 1.11k] | Branch (322:26): [True: 196, False: 920] | Branch (322:43): [True: 11, False: 244] | Branch (322:57): [True: 3, False: 8] ------------------ 323| | /* A bit of a hack, but most SAS installations are running a minor update */ 324| 3| hinfo->vendor = READSTAT_VENDOR_STAT_TRANSFER; 325| 1.17k| } else { 326| 1.17k| hinfo->vendor = READSTAT_VENDOR_SAS; 327| 1.17k| } 328| 1.17k| if (io->seek(hinfo->header_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (328:9): [True: 50, False: 1.12k] ------------------ 329| 50| retval = READSTAT_ERROR_SEEK; 330| 50| if (error_handler) { ------------------ | Branch (330:13): [True: 0, False: 50] ------------------ 331| 0| snprintf(error_buf, sizeof(error_buf), 332| 0| "ReadStat: Failed to seek to position %" PRId64, hinfo->header_size); 333| 0| error_handler(error_buf, user_ctx); 334| 0| } 335| 50| goto cleanup; 336| 50| } 337| | 338| 1.62k|cleanup: 339| 1.62k| return retval; 340| 1.17k|} sas_validate_tag: 492| 1.54k|readstat_error_t sas_validate_tag(char tag) { 493| 1.54k| if (tag == '_' || (tag >= 'A' && tag <= 'Z')) ------------------ | Branch (493:9): [True: 225, False: 1.32k] | Branch (493:24): [True: 626, False: 698] | Branch (493:38): [True: 284, False: 342] ------------------ 494| 509| return READSTAT_OK; 495| | 496| 1.04k| return READSTAT_ERROR_TAGGED_VALUE_IS_OUT_OF_RANGE; 497| 1.54k|} sas_assign_tag: 499| 1.54k|void sas_assign_tag(readstat_value_t *value, uint8_t tag) { 500| | /* We accommodate two tag schemes. In the first, the tag is an ASCII code 501| | * given by uint8_t tag above. System missing is represented by an ASCII 502| | * period. In the second scheme, (tag-2) is an offset from 'A', except when 503| | * tag == 0, in which case it represents an underscore, or tag == 1, in 504| | * which case it represents system-missing. 505| | */ 506| 1.54k| if (tag == 0) { ------------------ | Branch (506:9): [True: 225, False: 1.32k] ------------------ 507| 225| tag = '_'; 508| 1.32k| } else if (tag >= 2 && tag < 28) { ------------------ | Branch (508:16): [True: 1.01k, False: 312] | Branch (508:28): [True: 232, False: 780] ------------------ 509| 232| tag = 'A' + (tag - 2); 510| 232| } 511| 1.54k| if (sas_validate_tag(tag) == READSTAT_OK) { ------------------ | Branch (511:9): [True: 509, False: 1.04k] ------------------ 512| 509| value->tag = tag; 513| 509| value->is_tagged_missing = 1; 514| 1.04k| } else { 515| 1.04k| value->tag = 0; 516| 1.04k| value->is_system_missing = 1; 517| 1.04k| } 518| 1.54k|} readstat_sas.c:sas_epoch: 123| 1.62k|static time_t sas_epoch(void) { 124| 1.62k| return - 3653 * 86400; // seconds between 01-01-1960 and 01-01-1970 125| 1.62k|} readstat_sas.c:sas_convert_time: 127| 2.84k|static time_t sas_convert_time(double time, time_t epoch) { 128| 2.84k| time += epoch; 129| 2.84k| if (isnan(time)) 130| 47| return 0; 131| 2.80k| if (time > (double)LONG_MAX) ------------------ | Branch (131:9): [True: 214, False: 2.58k] ------------------ 132| 214| return LONG_MAX; 133| 2.58k| if (time < (double)LONG_MIN) ------------------ | Branch (133:9): [True: 401, False: 2.18k] ------------------ 134| 401| return LONG_MIN; 135| 2.18k| return time; 136| 2.58k|} readstat_parse_sas7bcat: 366| 1.62k|readstat_error_t readstat_parse_sas7bcat(readstat_parser_t *parser, const char *path, void *user_ctx) { 367| 1.62k| readstat_error_t retval = READSTAT_OK; 368| 1.62k| readstat_io_t *io = parser->io; 369| 1.62k| int64_t i; 370| 1.62k| char *page = NULL; 371| 1.62k| char *buffer = NULL; 372| | 373| 1.62k| sas7bcat_ctx_t *ctx = calloc(1, sizeof(sas7bcat_ctx_t)); 374| 1.62k| sas_header_info_t *hinfo = calloc(1, sizeof(sas_header_info_t)); 375| | 376| 1.62k| ctx->block_pointers = malloc((ctx->block_pointers_capacity = 200) * sizeof(uint64_t)); 377| | 378| 1.62k| ctx->value_label_handler = parser->handlers.value_label; 379| 1.62k| ctx->metadata_handler = parser->handlers.metadata; 380| 1.62k| ctx->input_encoding = parser->input_encoding; 381| 1.62k| ctx->output_encoding = parser->output_encoding; 382| 1.62k| ctx->user_ctx = user_ctx; 383| 1.62k| ctx->io = io; 384| | 385| 1.62k| if (io->open(path, io->io_ctx) == -1) { ------------------ | Branch (385:9): [True: 0, False: 1.62k] ------------------ 386| 0| retval = READSTAT_ERROR_OPEN; 387| 0| goto cleanup; 388| 0| } 389| | 390| 1.62k| if ((retval = sas_read_header(io, hinfo, parser->handlers.error, user_ctx)) != READSTAT_OK) { ------------------ | Branch (390:9): [True: 498, False: 1.12k] ------------------ 391| 498| goto cleanup; 392| 498| } 393| | 394| 1.12k| ctx->u64 = hinfo->u64; 395| 1.12k| ctx->pad1 = hinfo->pad1; 396| 1.12k| ctx->bswap = machine_is_little_endian() ^ hinfo->little_endian; 397| 1.12k| ctx->header_size = hinfo->header_size; 398| 1.12k| ctx->page_count = hinfo->page_count; 399| 1.12k| ctx->page_size = hinfo->page_size; 400| 1.12k| if (ctx->input_encoding == NULL) { ------------------ | Branch (400:9): [True: 1.12k, False: 0] ------------------ 401| 1.12k| ctx->input_encoding = hinfo->encoding; 402| 1.12k| } 403| | 404| 1.12k| ctx->xlsr_size = 212 + ctx->pad1; 405| 1.12k| ctx->xlsr_offset = 856 + 2 * ctx->pad1; 406| 1.12k| ctx->xlsr_O_offset = 50 + ctx->pad1; 407| 1.12k| if (ctx->u64) { ------------------ | Branch (407:9): [True: 286, False: 839] ------------------ 408| 286| ctx->xlsr_offset += 144; 409| 286| ctx->xlsr_size += 72; 410| 286| ctx->xlsr_O_offset += 24; 411| 286| } 412| | 413| 1.12k| if (ctx->input_encoding && ctx->output_encoding && strcmp(ctx->input_encoding, ctx->output_encoding) != 0) { ------------------ | Branch (413:9): [True: 1.12k, False: 0] | Branch (413:32): [True: 1.12k, False: 0] | Branch (413:56): [True: 819, False: 306] ------------------ 414| 819| iconv_t converter = iconv_open(ctx->output_encoding, ctx->input_encoding); 415| 819| if (converter == (iconv_t)-1) { ------------------ | Branch (415:13): [True: 1, False: 818] ------------------ 416| 1| retval = READSTAT_ERROR_UNSUPPORTED_CHARSET; 417| 1| goto cleanup; 418| 1| } 419| 818| ctx->converter = converter; 420| 818| } 421| | 422| 1.12k| if (ctx->metadata_handler) { ------------------ | Branch (422:9): [True: 1.12k, False: 0] ------------------ 423| 1.12k| char table_name[4*32+1]; 424| 1.12k| readstat_metadata_t metadata = { 425| 1.12k| .file_encoding = ctx->input_encoding, /* orig encoding? */ 426| 1.12k| .modified_time = hinfo->modification_time, 427| 1.12k| .creation_time = hinfo->creation_time, 428| 1.12k| .file_format_version = hinfo->major_version, 429| 1.12k| .endianness = hinfo->little_endian ? READSTAT_ENDIAN_LITTLE : READSTAT_ENDIAN_BIG, ------------------ | Branch (429:27): [True: 880, False: 244] ------------------ 430| 1.12k| .is64bit = ctx->u64 431| 1.12k| }; 432| 1.12k| retval = readstat_convert(table_name, sizeof(table_name), 433| 1.12k| hinfo->table_name, sizeof(hinfo->table_name), ctx->converter); 434| 1.12k| if (retval != READSTAT_OK) ------------------ | Branch (434:13): [True: 6, False: 1.11k] ------------------ 435| 6| goto cleanup; 436| | 437| 1.11k| metadata.table_name = table_name; 438| | 439| 1.11k| if (ctx->metadata_handler(&metadata, ctx->user_ctx) != READSTAT_HANDLER_OK) { ------------------ | Branch (439:13): [True: 0, False: 1.11k] ------------------ 440| 0| retval = READSTAT_ERROR_USER_ABORT; 441| 0| goto cleanup; 442| 0| } 443| 1.11k| } 444| | 445| 1.11k| if ((page = readstat_malloc(ctx->page_size)) == NULL) { ------------------ | Branch (445:9): [True: 0, False: 1.11k] ------------------ 446| 0| retval = READSTAT_ERROR_MALLOC; 447| 0| goto cleanup; 448| 0| } 449| 1.11k| if (io->seek(ctx->header_size+SAS_CATALOG_FIRST_INDEX_PAGE*ctx->page_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | | 11| 1.11k|#define SAS_CATALOG_FIRST_INDEX_PAGE 1 ------------------ | Branch (449:9): [True: 62, False: 1.05k] ------------------ 450| 62| retval = READSTAT_ERROR_SEEK; 451| 62| goto cleanup; 452| 62| } 453| 1.05k| if (io->read(page, ctx->page_size, io->io_ctx) < ctx->page_size) { ------------------ | Branch (453:9): [True: 35, False: 1.02k] ------------------ 454| 35| retval = READSTAT_ERROR_READ; 455| 35| goto cleanup; 456| 35| } 457| | 458| 1.02k| retval = sas7bcat_augment_index(&page[ctx->xlsr_offset], ctx->page_size - ctx->xlsr_offset, ctx); 459| 1.02k| if (retval != READSTAT_OK) ------------------ | Branch (459:9): [True: 0, False: 1.02k] ------------------ 460| 0| goto cleanup; 461| | 462| | // Pass 1 -- find the XLSR entries 463| 23.4k| for (i=SAS_CATALOG_USELESS_PAGES; ipage_count; i++) { ------------------ | | 12| 1.02k|#define SAS_CATALOG_USELESS_PAGES 3 ------------------ | Branch (463:39): [True: 22.5k, False: 922] ------------------ 464| 22.5k| if (io->seek(ctx->header_size+i*ctx->page_size, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (464:13): [True: 16, False: 22.5k] ------------------ 465| 16| retval = READSTAT_ERROR_SEEK; 466| 16| goto cleanup; 467| 16| } 468| 22.5k| if (io->read(page, ctx->page_size, io->io_ctx) < ctx->page_size) { ------------------ | Branch (468:13): [True: 83, False: 22.4k] ------------------ 469| 83| retval = READSTAT_ERROR_READ; 470| 83| goto cleanup; 471| 83| } 472| 22.4k| if (memcmp(&page[16], "XLSR", sizeof("XLSR")-1) == 0) { ------------------ | Branch (472:13): [True: 7.32k, False: 15.1k] ------------------ 473| 7.32k| retval = sas7bcat_augment_index(&page[16], ctx->page_size - 16, ctx); 474| 7.32k| if (retval != READSTAT_OK) ------------------ | Branch (474:17): [True: 0, False: 7.32k] ------------------ 475| 0| goto cleanup; 476| 7.32k| } 477| 22.4k| } 478| | 479| 922| sas7bcat_sort_index(ctx); 480| 922| sas7bcat_uniq_index(ctx); 481| | 482| | // Pass 2 -- look up the individual block pointers 483| 11.8k| for (i=0; iblock_pointers_used; i++) { ------------------ | Branch (483:15): [True: 11.4k, False: 424] ------------------ 484| 11.4k| int start_page = ctx->block_pointers[i] >> 32; 485| 11.4k| int start_page_pos = (ctx->block_pointers[i]) & 0xFFFF; 486| | 487| 11.4k| int buffer_len = sas7bcat_block_size(start_page, start_page_pos, ctx, &retval); 488| 11.4k| if (buffer_len == -1) { ------------------ | Branch (488:13): [True: 28, False: 11.4k] ------------------ 489| 28| goto cleanup; 490| 11.4k| } else if (buffer_len == 0) { ------------------ | Branch (490:20): [True: 8.67k, False: 2.73k] ------------------ 491| 8.67k| continue; 492| 8.67k| } 493| 2.73k| if ((buffer = readstat_realloc(buffer, buffer_len)) == NULL) { ------------------ | Branch (493:13): [True: 3, False: 2.73k] ------------------ 494| 3| retval = READSTAT_ERROR_MALLOC; 495| 3| goto cleanup; 496| 3| } 497| 2.73k| if ((retval = sas7bcat_read_block(buffer, buffer_len, start_page, start_page_pos, ctx)) != READSTAT_OK) ------------------ | Branch (497:13): [True: 37, False: 2.69k] ------------------ 498| 37| goto cleanup; 499| 2.69k| if ((retval = sas7bcat_parse_block(buffer, buffer_len, ctx)) != READSTAT_OK) ------------------ | Branch (499:13): [True: 430, False: 2.26k] ------------------ 500| 430| goto cleanup; 501| 2.69k| } 502| | 503| 1.62k|cleanup: 504| 1.62k| io->close(io->io_ctx); 505| 1.62k| if (page) ------------------ | Branch (505:9): [True: 1.11k, False: 505] ------------------ 506| 1.11k| free(page); 507| 1.62k| if (buffer) ------------------ | Branch (507:9): [True: 665, False: 958] ------------------ 508| 665| free(buffer); 509| 1.62k| if (ctx) ------------------ | Branch (509:9): [True: 1.62k, False: 0] ------------------ 510| 1.62k| sas7bcat_ctx_free(ctx); 511| 1.62k| if (hinfo) ------------------ | Branch (511:9): [True: 1.62k, False: 0] ------------------ 512| 1.62k| free(hinfo); 513| | 514| 1.62k| return retval; 515| 922|} readstat_sas7bcat_read.c:sas7bcat_augment_index: 198| 8.34k|static readstat_error_t sas7bcat_augment_index(const char *index, size_t len, sas7bcat_ctx_t *ctx) { 199| 8.34k| const char *xlsr = index; 200| 8.34k| readstat_error_t retval = READSTAT_OK; 201| 35.3k| while (xlsr + ctx->xlsr_size <= index + len) { ------------------ | Branch (201:12): [True: 28.3k, False: 6.98k] ------------------ 202| 28.3k| if (memcmp(xlsr, "XLSR", 4) != 0) // some block pointers seem to have 8 bytes of extra padding ------------------ | Branch (202:13): [True: 13.5k, False: 14.7k] ------------------ 203| 13.5k| xlsr += 8; 204| 28.3k| if (memcmp(xlsr, "XLSR", 4) != 0) ------------------ | Branch (204:13): [True: 1.35k, False: 27.0k] ------------------ 205| 1.35k| break; 206| | 207| 27.0k| if (xlsr[ctx->xlsr_O_offset] == 'O') { ------------------ | Branch (207:13): [True: 24.9k, False: 2.02k] ------------------ 208| 24.9k| uint64_t page = 0, pos = 0; 209| 24.9k| if (ctx->u64) { ------------------ | Branch (209:17): [True: 925, False: 24.0k] ------------------ 210| 925| page = sas_read8(&xlsr[8], ctx->bswap); 211| 925| pos = sas_read2(&xlsr[16], ctx->bswap); 212| 24.0k| } else { 213| 24.0k| page = sas_read4(&xlsr[4], ctx->bswap); 214| 24.0k| pos = sas_read2(&xlsr[8], ctx->bswap); 215| 24.0k| } 216| 24.9k| ctx->block_pointers[ctx->block_pointers_used++] = (page << 32) + pos; 217| 24.9k| } 218| | 219| 27.0k| if (ctx->block_pointers_used == ctx->block_pointers_capacity) { ------------------ | Branch (219:13): [True: 58, False: 26.9k] ------------------ 220| 58| ctx->block_pointers = readstat_realloc(ctx->block_pointers, (ctx->block_pointers_capacity *= 2) * sizeof(uint64_t)); 221| 58| if (ctx->block_pointers == NULL) { ------------------ | Branch (221:17): [True: 0, False: 58] ------------------ 222| 0| retval = READSTAT_ERROR_MALLOC; 223| 0| goto cleanup; 224| 0| } 225| 58| } 226| | 227| 27.0k| xlsr += ctx->xlsr_size; 228| 27.0k| } 229| 8.34k|cleanup: 230| 8.34k| return retval; 231| 8.34k|} readstat_sas7bcat_read.c:sas7bcat_sort_index: 239| 922|static void sas7bcat_sort_index(sas7bcat_ctx_t *ctx) { 240| 922| if (ctx->block_pointers_used == 0) ------------------ | Branch (240:9): [True: 100, False: 822] ------------------ 241| 100| return; 242| | 243| 822| int i; 244| 1.22k| for (i=1; iblock_pointers_used; i++) { ------------------ | Branch (244:15): [True: 600, False: 621] ------------------ 245| 600| if (ctx->block_pointers[i] < ctx->block_pointers[i-1]) { ------------------ | Branch (245:13): [True: 201, False: 399] ------------------ 246| 201| qsort(ctx->block_pointers, ctx->block_pointers_used, sizeof(uint64_t), &compare_block_pointers); 247| 201| break; 248| 201| } 249| 600| } 250| 822|} readstat_sas7bcat_read.c:compare_block_pointers: 233| 92.5k|static int compare_block_pointers(const void *elem1, const void *elem2) { 234| 92.5k| uint64_t v1 = *(const uint64_t *)elem1; 235| 92.5k| uint64_t v2 = *(const uint64_t *)elem2; 236| 92.5k| return v1 - v2; 237| 92.5k|} readstat_sas7bcat_read.c:sas7bcat_uniq_index: 252| 922|static void sas7bcat_uniq_index(sas7bcat_ctx_t *ctx) { 253| 922| if (ctx->block_pointers_used == 0) ------------------ | Branch (253:9): [True: 100, False: 822] ------------------ 254| 100| return; 255| | 256| 822| int i; 257| 822| int out_i = 1; 258| 16.4k| for (i=1; iblock_pointers_used; i++) { ------------------ | Branch (258:15): [True: 15.6k, False: 822] ------------------ 259| 15.6k| if (ctx->block_pointers[i] != ctx->block_pointers[i-1]) { ------------------ | Branch (259:13): [True: 11.7k, False: 3.88k] ------------------ 260| 11.7k| if (out_i != i) { ------------------ | Branch (260:17): [True: 10.5k, False: 1.24k] ------------------ 261| 10.5k| ctx->block_pointers[out_i] = ctx->block_pointers[i]; 262| 10.5k| } 263| 11.7k| out_i++; 264| 11.7k| } 265| 15.6k| } 266| 822| ctx->block_pointers_used = out_i; 267| 822|} readstat_sas7bcat_read.c:sas7bcat_block_size: 269| 11.4k|static int sas7bcat_block_size(int start_page, int start_page_pos, sas7bcat_ctx_t *ctx, readstat_error_t *outError) { 270| 11.4k| readstat_error_t retval = READSTAT_OK; 271| 11.4k| readstat_io_t *io = ctx->io; 272| 11.4k| int next_page = start_page; 273| 11.4k| int next_page_pos = start_page_pos; 274| 11.4k| int link_count = 0; 275| | 276| 11.4k| int buffer_len = 0; 277| 11.4k| int chain_link_len = 0; 278| | 279| 11.4k| char chain_link[32]; 280| 11.4k| int chain_link_header_len = 16; 281| 11.4k| if (ctx->u64) { ------------------ | Branch (281:9): [True: 631, False: 10.8k] ------------------ 282| 631| chain_link_header_len = 32; 283| 631| } 284| | 285| | // calculate buffer size needed 286| 27.2k| while (next_page > 0 && next_page_pos > 0 && next_page <= ctx->page_count && link_count++ < ctx->page_count) { ------------------ | Branch (286:12): [True: 22.8k, False: 4.40k] | Branch (286:29): [True: 22.1k, False: 645] | Branch (286:50): [True: 16.0k, False: 6.09k] | Branch (286:82): [True: 15.8k, False: 260] ------------------ 287| 15.8k| if (io->seek(ctx->header_size+(next_page-1)*ctx->page_size+next_page_pos, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (287:13): [True: 18, False: 15.7k] ------------------ 288| 18| retval = READSTAT_ERROR_SEEK; 289| 18| goto cleanup; 290| 18| } 291| 15.7k| if (io->read(chain_link, chain_link_header_len, io->io_ctx) < chain_link_header_len) { ------------------ | Branch (291:13): [True: 10, False: 15.7k] ------------------ 292| 10| retval = READSTAT_ERROR_READ; 293| 10| goto cleanup; 294| 10| } 295| | 296| 15.7k| if (ctx->u64) { ------------------ | Branch (296:13): [True: 2.42k, False: 13.3k] ------------------ 297| 2.42k| next_page = sas_read4(&chain_link[0], ctx->bswap); 298| 2.42k| next_page_pos = sas_read2(&chain_link[8], ctx->bswap); 299| 2.42k| chain_link_len = sas_read2(&chain_link[10], ctx->bswap); 300| 13.3k| } else { 301| 13.3k| next_page = sas_read4(&chain_link[0], ctx->bswap); 302| 13.3k| next_page_pos = sas_read2(&chain_link[4], ctx->bswap); 303| 13.3k| chain_link_len = sas_read2(&chain_link[6], ctx->bswap); 304| 13.3k| } 305| | 306| 15.7k| buffer_len += chain_link_len; 307| 15.7k| } 308| | 309| 11.4k|cleanup: 310| 11.4k| if (outError) ------------------ | Branch (310:9): [True: 11.4k, False: 0] ------------------ 311| 11.4k| *outError = retval; 312| | 313| 11.4k| return retval == READSTAT_OK ? buffer_len : -1; ------------------ | Branch (313:12): [True: 11.4k, False: 28] ------------------ 314| 11.4k|} readstat_sas7bcat_read.c:sas7bcat_read_block: 317| 2.73k| int start_page, int start_page_pos, sas7bcat_ctx_t *ctx) { 318| 2.73k| readstat_error_t retval = READSTAT_OK; 319| 2.73k| readstat_io_t *io = ctx->io; 320| 2.73k| int next_page = start_page; 321| 2.73k| int next_page_pos = start_page_pos; 322| 2.73k| int link_count = 0; 323| | 324| 2.73k| int chain_link_len = 0; 325| 2.73k| int buffer_offset = 0; 326| | 327| 2.73k| char chain_link[32]; 328| 2.73k| int chain_link_header_len = 16; 329| 2.73k| if (ctx->u64) { ------------------ | Branch (329:9): [True: 527, False: 2.20k] ------------------ 330| 527| chain_link_header_len = 32; 331| 527| } 332| | 333| 16.5k| while (next_page > 0 && next_page_pos > 0 && next_page <= ctx->page_count && link_count++ < ctx->page_count) { ------------------ | Branch (333:12): [True: 15.1k, False: 1.37k] | Branch (333:29): [True: 14.6k, False: 508] | Branch (333:50): [True: 14.0k, False: 567] | Branch (333:82): [True: 13.8k, False: 248] ------------------ 334| 13.8k| if (io->seek(ctx->header_size+(next_page-1)*ctx->page_size+next_page_pos, READSTAT_SEEK_SET, io->io_ctx) == -1) { ------------------ | Branch (334:13): [True: 0, False: 13.8k] ------------------ 335| 0| retval = READSTAT_ERROR_SEEK; 336| 0| goto cleanup; 337| 0| } 338| 13.8k| if (io->read(chain_link, chain_link_header_len, io->io_ctx) < chain_link_header_len) { ------------------ | Branch (338:13): [True: 0, False: 13.8k] ------------------ 339| 0| retval = READSTAT_ERROR_READ; 340| 0| goto cleanup; 341| 0| } 342| 13.8k| if (ctx->u64) { ------------------ | Branch (342:13): [True: 1.88k, False: 11.9k] ------------------ 343| 1.88k| next_page = sas_read4(&chain_link[0], ctx->bswap); 344| 1.88k| next_page_pos = sas_read2(&chain_link[8], ctx->bswap); 345| 1.88k| chain_link_len = sas_read2(&chain_link[10], ctx->bswap); 346| 11.9k| } else { 347| 11.9k| next_page = sas_read4(&chain_link[0], ctx->bswap); 348| 11.9k| next_page_pos = sas_read2(&chain_link[4], ctx->bswap); 349| 11.9k| chain_link_len = sas_read2(&chain_link[6], ctx->bswap); 350| 11.9k| } 351| 13.8k| if (buffer_offset + chain_link_len > buffer_len) { ------------------ | Branch (351:13): [True: 0, False: 13.8k] ------------------ 352| 0| retval = READSTAT_ERROR_PARSE; 353| 0| goto cleanup; 354| 0| } 355| 13.8k| if (io->read(buffer + buffer_offset, chain_link_len, io->io_ctx) < chain_link_len) { ------------------ | Branch (355:13): [True: 37, False: 13.8k] ------------------ 356| 37| retval = READSTAT_ERROR_READ; 357| 37| goto cleanup; 358| 37| } 359| 13.8k| buffer_offset += chain_link_len; 360| 13.8k| } 361| 2.73k|cleanup: 362| | 363| 2.73k| return retval; 364| 2.73k|} readstat_sas7bcat_read.c:sas7bcat_parse_block: 142| 2.69k|static readstat_error_t sas7bcat_parse_block(const char *data, size_t data_size, sas7bcat_ctx_t *ctx) { 143| 2.69k| readstat_error_t retval = READSTAT_OK; 144| | 145| 2.69k| size_t pad = 0; 146| 2.69k| uint64_t label_count_capacity = 0; 147| 2.69k| uint64_t label_count_used = 0; 148| 2.69k| int payload_offset = 106; 149| 2.69k| uint16_t flags = 0; 150| 2.69k| char name[4*32+1]; 151| | 152| 2.69k| if (data_size < payload_offset) ------------------ | Branch (152:9): [True: 377, False: 2.31k] ------------------ 153| 377| goto cleanup; 154| | 155| 2.31k| flags = sas_read2(&data[2], ctx->bswap); 156| 2.31k| pad = (flags & 0x08) ? 4 : 0; // might be 0x10, not sure ------------------ | Branch (156:11): [True: 1.09k, False: 1.22k] ------------------ 157| 2.31k| if (ctx->u64) { ------------------ | Branch (157:9): [True: 450, False: 1.86k] ------------------ 158| 450| label_count_capacity = sas_read8(&data[42+pad], ctx->bswap); 159| 450| label_count_used = sas_read8(&data[50+pad], ctx->bswap); 160| | 161| 450| payload_offset += 32; 162| 1.86k| } else { 163| 1.86k| label_count_capacity = sas_read4(&data[38+pad], ctx->bswap); 164| 1.86k| label_count_used = sas_read4(&data[42+pad], ctx->bswap); 165| 1.86k| } 166| | 167| 2.31k| if ((retval = readstat_convert(name, sizeof(name), &data[8], 8, ctx->converter)) != READSTAT_OK) ------------------ | Branch (167:9): [True: 2, False: 2.31k] ------------------ 168| 2| goto cleanup; 169| | 170| 2.31k| if (pad) { ------------------ | Branch (170:9): [True: 1.08k, False: 1.22k] ------------------ 171| 1.08k| pad += 16; 172| 1.08k| } 173| | 174| 2.31k| if (((flags & 0x80) && !ctx->u64) || ((flags & 0x20) && ctx->u64)) { // has long name ------------------ | Branch (174:10): [True: 1.06k, False: 1.25k] | Branch (174:28): [True: 858, False: 202] | Branch (174:43): [True: 427, False: 1.03k] | Branch (174:61): [True: 207, False: 220] ------------------ 175| 1.06k| if (data_size < payload_offset + pad + 32) ------------------ | Branch (175:13): [True: 296, False: 769] ------------------ 176| 296| goto cleanup; 177| | 178| 769| retval = readstat_convert(name, sizeof(name), &data[payload_offset+pad], 32, ctx->converter); 179| 769| if (retval != READSTAT_OK) ------------------ | Branch (179:13): [True: 2, False: 767] ------------------ 180| 2| goto cleanup; 181| 767| pad += 32; 182| 767| } 183| | 184| 2.01k| if (data_size < payload_offset + pad) ------------------ | Branch (184:9): [True: 256, False: 1.76k] ------------------ 185| 256| goto cleanup; 186| | 187| 1.76k| if (label_count_used == 0) ------------------ | Branch (187:9): [True: 638, False: 1.12k] ------------------ 188| 638| goto cleanup; 189| | 190| 1.12k| if ((retval = sas7bcat_parse_value_labels(&data[payload_offset+pad], data_size - payload_offset - pad, ------------------ | Branch (190:9): [True: 426, False: 698] ------------------ 191| 1.12k| label_count_used, label_count_capacity, name, ctx)) != READSTAT_OK) 192| 426| goto cleanup; 193| | 194| 2.69k|cleanup: 195| 2.69k| return retval; 196| 1.12k|} readstat_sas7bcat_read.c:sas7bcat_parse_value_labels: 46| 1.12k| int label_count_used, int label_count_capacity, const char *name, sas7bcat_ctx_t *ctx) { 47| 1.12k| readstat_error_t retval = READSTAT_OK; 48| 1.12k| int i; 49| 1.12k| const char *lbp1 = value_start; 50| 1.12k| uint32_t *value_offset = readstat_calloc(label_count_used, sizeof(uint32_t)); 51| | /* Doubles appear to be stored as big-endian, always */ 52| 1.12k| int bswap_doubles = machine_is_little_endian(); 53| 1.12k| int is_string = (name[0] == '$'); 54| 1.12k| char *label = NULL; 55| | 56| 1.12k| if (value_offset == NULL) { ------------------ | Branch (56:9): [True: 155, False: 969] ------------------ 57| 155| retval = READSTAT_ERROR_MALLOC; 58| 155| goto cleanup; 59| 155| } 60| | 61| | /* Pass 1 -- find out the offset of the labels */ 62| 2.43M| for (i=0; i value_labels_len || sas_read2(&lbp1[2], ctx->bswap) < 0) { ------------------ | Branch (63:13): [True: 42, False: 2.43M] | Branch (63:58): [True: 0, False: 2.43M] ------------------ 64| 42| retval = READSTAT_ERROR_PARSE; 65| 42| goto cleanup; 66| 42| } 67| 2.43M| if (ipad1+4] - value_start > value_labels_len) { ------------------ | Branch (68:17): [True: 4, False: 19.2k] ------------------ 69| 4| retval = READSTAT_ERROR_PARSE; 70| 4| goto cleanup; 71| 4| } 72| 19.2k| uint32_t label_pos = sas_read4(&lbp1[10+ctx->pad1], ctx->bswap); 73| 19.2k| if (label_pos >= label_count_used) { ------------------ | Branch (73:17): [True: 68, False: 19.1k] ------------------ 74| 68| retval = READSTAT_ERROR_PARSE; 75| 68| goto cleanup; 76| 68| } 77| 19.1k| value_offset[label_pos] = lbp1 - value_start; 78| 19.1k| } 79| 2.43M| lbp1 += 6 + sas_read2(&lbp1[2], ctx->bswap); 80| 2.43M| } 81| | 82| 855| const char *lbp2 = lbp1; 83| | 84| | /* Pass 2 -- parse pairs of values & labels */ 85| 7.36k| for (i=0; i value_labels_len || ------------------ | Branch (88:13): [True: 5, False: 6.66k] ------------------ 89| 6.66k| &lbp2[10] - value_start > value_labels_len) { ------------------ | Branch (89:17): [True: 24, False: 6.63k] ------------------ 90| 29| retval = READSTAT_ERROR_PARSE; 91| 29| goto cleanup; 92| 29| } 93| 6.63k| readstat_value_t value = { .type = is_string ? READSTAT_TYPE_STRING : READSTAT_TYPE_DOUBLE }; ------------------ | Branch (93:44): [True: 492, False: 6.14k] ------------------ 94| 6.63k| char string_val[4*16+1]; 95| 6.63k| if (is_string) { ------------------ | Branch (95:13): [True: 492, False: 6.14k] ------------------ 96| 492| size_t value_entry_len = 6 + sas_read2(&lbp1[2], ctx->bswap); 97| 492| retval = readstat_convert(string_val, sizeof(string_val), 98| 492| &lbp1[value_entry_len-16], 16, ctx->converter); 99| 492| if (retval != READSTAT_OK) ------------------ | Branch (99:17): [True: 1, False: 491] ------------------ 100| 1| goto cleanup; 101| | 102| 491| value.v.string_value = string_val; 103| 6.14k| } else { 104| 6.14k| uint64_t val = sas_read8(&lbp1[22], bswap_doubles); 105| 6.14k| double dval = NAN; 106| 6.14k| if ((val | 0xFF0000000000) == 0xFFFFFFFFFFFF) { ------------------ | Branch (106:17): [True: 1.54k, False: 4.59k] ------------------ 107| 1.54k| sas_assign_tag(&value, (val >> 40)); 108| 4.59k| } else { 109| 4.59k| memcpy(&dval, &val, 8); 110| 4.59k| dval *= -1.0; 111| 4.59k| } 112| | 113| 6.14k| value.v.double_value = dval; 114| 6.14k| } 115| 6.63k| size_t label_len = sas_read2(&lbp2[8], ctx->bswap); 116| 6.63k| if (&lbp2[10] + label_len - value_start > value_labels_len) { ------------------ | Branch (116:13): [True: 112, False: 6.52k] ------------------ 117| 112| retval = READSTAT_ERROR_PARSE; 118| 112| goto cleanup; 119| 112| } 120| 6.52k| if (ctx->value_label_handler) { ------------------ | Branch (120:13): [True: 6.52k, False: 0] ------------------ 121| 6.52k| label = realloc(label, 4 * label_len + 1); 122| 6.52k| retval = readstat_convert(label, 4 * label_len + 1, 123| 6.52k| &lbp2[10], label_len, ctx->converter); 124| 6.52k| if (retval != READSTAT_OK) ------------------ | Branch (124:17): [True: 15, False: 6.50k] ------------------ 125| 15| goto cleanup; 126| | 127| 6.50k| if (ctx->value_label_handler(name, value, label, ctx->user_ctx) != READSTAT_HANDLER_OK) { ------------------ | Branch (127:17): [True: 0, False: 6.50k] ------------------ 128| 0| retval = READSTAT_ERROR_USER_ABORT; 129| 0| goto cleanup; 130| 0| } 131| 6.50k| } 132| | 133| 6.50k| lbp2 += 8 + 2 + label_len + 1; 134| 6.50k| } 135| | 136| 1.12k|cleanup: 137| 1.12k| free(label); 138| 1.12k| free(value_offset); 139| 1.12k| return retval; 140| 855|} readstat_sas7bcat_read.c:sas7bcat_ctx_free: 36| 1.62k|static void sas7bcat_ctx_free(sas7bcat_ctx_t *ctx) { 37| 1.62k| if (ctx->converter) ------------------ | Branch (37:9): [True: 818, False: 805] ------------------ 38| 818| iconv_close(ctx->converter); 39| 1.62k| if (ctx->block_pointers) ------------------ | Branch (39:9): [True: 1.62k, False: 0] ------------------ 40| 1.62k| free(ctx->block_pointers); 41| | 42| 1.62k| free(ctx); 43| 1.62k|} rt_open_handler: 8| 1.62k|int rt_open_handler(const char *path, void *io_ctx) { 9| 1.62k| return 0; 10| 1.62k|} rt_close_handler: 12| 1.62k|int rt_close_handler(void *io_ctx) { 13| 1.62k| return 0; 14| 1.62k|} rt_seek_handler: 17| 58.6k| readstat_io_flags_t whence, void *io_ctx) { 18| 58.6k| rt_buffer_ctx_t *buffer_ctx = (rt_buffer_ctx_t *)io_ctx; 19| 58.6k| readstat_off_t newpos = -1; 20| 58.6k| if (whence == READSTAT_SEEK_SET) { ------------------ | Branch (20:9): [True: 54.4k, False: 4.16k] ------------------ 21| 54.4k| newpos = offset; 22| 54.4k| } else if (whence == READSTAT_SEEK_CUR) { ------------------ | Branch (22:16): [True: 4.16k, False: 0] ------------------ 23| 4.16k| newpos = buffer_ctx->pos + offset; 24| 4.16k| } 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| 58.6k| if (newpos < 0) ------------------ | Branch (28:9): [True: 0, False: 58.6k] ------------------ 29| 0| return -1; 30| | 31| 58.6k| if (newpos > buffer_ctx->buffer->used) ------------------ | Branch (31:9): [True: 238, False: 58.4k] ------------------ 32| 238| return -1; 33| | 34| 58.4k| buffer_ctx->pos = newpos; 35| 58.4k| return newpos; 36| 58.6k|} rt_read_handler: 38| 76.9k|ssize_t rt_read_handler(void *buf, size_t nbytes, void *io_ctx) { 39| 76.9k| rt_buffer_ctx_t *buffer_ctx = (rt_buffer_ctx_t *)io_ctx; 40| 76.9k| ssize_t bytes_copied = 0; 41| 76.9k| ssize_t bytes_left = buffer_ctx->buffer->used - buffer_ctx->pos; 42| 76.9k| if (nbytes <= bytes_left) { ------------------ | Branch (42:9): [True: 76.6k, False: 262] ------------------ 43| 76.6k| memcpy(buf, buffer_ctx->buffer->bytes + buffer_ctx->pos, nbytes); 44| 76.6k| bytes_copied = nbytes; 45| 76.6k| } else if (bytes_left > 0) { ------------------ | Branch (45:16): [True: 125, False: 137] ------------------ 46| 125| memcpy(buf, buffer_ctx->buffer->bytes + buffer_ctx->pos, bytes_left); 47| 125| bytes_copied = bytes_left; 48| 125| } 49| 76.9k| buffer_ctx->pos += bytes_copied; 50| 76.9k| return bytes_copied; 51| 76.9k|}