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comparison th_regex.c @ 721:c834e1393eb0

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Initialize regex parsing context before checking pointers.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 13 Dec 2020 13:53:06 +0200
parents 838189b856f3
children 4ca6a3b30fe8
comparison
equal deleted inserted replaced
720:ff724f45162a 721:c834e1393eb0
455 th_regex_parse_ctx_t ctx; 455 th_regex_parse_ctx_t ctx;
456 th_regex_node_t node, *pnode; 456 th_regex_node_t node, *pnode;
457 th_char_t *tmp = NULL; 457 th_char_t *tmp = NULL;
458 size_t start; 458 size_t start;
459 459
460 memset(&ctx, 0, sizeof(ctx));
461
460 // Check pointers 462 // Check pointers
461 if (pexpr == NULL || pattern == NULL) 463 if (pexpr == NULL || pattern == NULL)
462 { 464 {
463 res = THERR_NULLPTR; 465 res = THERR_NULLPTR;
464 goto out; 466 goto out;
465 } 467 }
466 468
467 // Initialize parsing context 469 // Initialize parsing context
468 memset(&ctx, 0, sizeof(ctx));
469 ctx.pattern = pattern; 470 ctx.pattern = pattern;
470 ctx.bufSize = 256; 471 ctx.bufSize = 256;
471 472
472 if ((ctx.buf = th_malloc(ctx.bufSize * sizeof(th_char_t))) == NULL) 473 if ((ctx.buf = th_malloc(ctx.bufSize * sizeof(th_char_t))) == NULL)
473 { 474 {