diff options
Diffstat (limited to 'regexec.c')
| -rw-r--r-- | regexec.c | 44 |
1 files changed, 26 insertions, 18 deletions
@@ -369,7 +369,7 @@ re_search_2_stub (bufp, string1, length1, string2, length2, start, range, regs, int len = length1 + length2; int free_str = 0; - if (BE (length1 < 0 || length2 < 0 || stop < 0, 0)) + if (BE (length1 < 0 || length2 < 0 || stop < 0 || len < length1, 0)) return -2; /* Concatenate the strings. */ @@ -380,8 +380,12 @@ re_search_2_stub (bufp, string1, length1, string2, length2, start, range, regs, if (BE (s == NULL, 0)) return -2; +#ifdef _LIBC + memcpy (__mempcpy (s, string1, length1), string2, length2); +#else memcpy (s, string1, length1); memcpy (s + length1, string2, length2); +#endif str = s; free_str = 1; } @@ -621,6 +625,7 @@ re_exec (s) (START + RANGE >= 0 && START + RANGE <= LENGTH) */ static reg_errcode_t +__attribute_warn_unused_result__ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, eflags) const regex_t *preg; @@ -947,6 +952,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, } static reg_errcode_t +__attribute_warn_unused_result__ prune_impossible_nodes (mctx) re_match_context_t *mctx; { @@ -1085,7 +1091,7 @@ acquire_init_state_context (reg_errcode_t *err, const re_match_context_t *mctx, index of the buffer. */ static int -internal_function +internal_function __attribute_warn_unused_result__ check_matching (re_match_context_t *mctx, int fl_longest_match, int *p_match_first) { @@ -1358,7 +1364,7 @@ proceed_next_node (const re_match_context_t *mctx, int nregs, regmatch_t *regs, } static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ push_fail_stack (struct re_fail_stack_t *fs, int str_idx, int dest_node, int nregs, regmatch_t *regs, re_node_set *eps_via_nodes) { @@ -1405,7 +1411,7 @@ pop_fail_stack (struct re_fail_stack_t *fs, int *pidx, int nregs, pmatch[i].rm_so == pmatch[i].rm_eo == -1 for 0 < i < nmatch. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ set_regs (const regex_t *preg, const re_match_context_t *mctx, size_t nmatch, regmatch_t *pmatch, int fl_backtrack) { @@ -1661,7 +1667,7 @@ sift_states_backward (const re_match_context_t *mctx, re_sift_context_t *sctx) } static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ build_sifted_states (const re_match_context_t *mctx, re_sift_context_t *sctx, int str_idx, re_node_set *cur_dest) { @@ -1823,7 +1829,7 @@ update_cur_sifted_state (const re_match_context_t *mctx, } static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ add_epsilon_src_nodes (const re_dfa_t *dfa, re_node_set *dest_nodes, const re_node_set *candidates) { @@ -2136,7 +2142,7 @@ check_subexp_limits (const re_dfa_t *dfa, re_node_set *dest_nodes, } static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ sift_states_bkref (const re_match_context_t *mctx, re_sift_context_t *sctx, int str_idx, const re_node_set *candidates) { @@ -2266,7 +2272,7 @@ sift_states_iter_mb (const re_match_context_t *mctx, re_sift_context_t *sctx, update the destination of STATE_LOG. */ static re_dfastate_t * -internal_function +internal_function __attribute_warn_unused_result__ transit_state (reg_errcode_t *err, re_match_context_t *mctx, re_dfastate_t *state) { @@ -2691,7 +2697,7 @@ transit_state_bkref (re_match_context_t *mctx, const re_node_set *nodes) delay these checking for prune_impossible_nodes(). */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ get_subexp (re_match_context_t *mctx, int bkref_node, int bkref_str_idx) { const re_dfa_t *const dfa = mctx->dfa; @@ -2891,7 +2897,7 @@ find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes, Return REG_NOERROR if it can arrive, or REG_NOMATCH otherwise. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ check_arrival (re_match_context_t *mctx, state_array_t *path, int top_node, int top_str, int last_node, int last_str, int type) { @@ -3052,7 +3058,7 @@ check_arrival (re_match_context_t *mctx, state_array_t *path, int top_node, Can't we unify them? */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ check_arrival_add_next_nodes (re_match_context_t *mctx, int str_idx, re_node_set *cur_nodes, re_node_set *next_nodes) { @@ -3186,7 +3192,7 @@ check_arrival_expand_ecl (const re_dfa_t *dfa, re_node_set *cur_nodes, problematic append it to DST_NODES. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ check_arrival_expand_ecl_sub (const re_dfa_t *dfa, re_node_set *dst_nodes, int target, int ex_subexp, int type) { @@ -3230,7 +3236,7 @@ check_arrival_expand_ecl_sub (const re_dfa_t *dfa, re_node_set *dst_nodes, in MCTX->BKREF_ENTS. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ expand_bkref_cache (re_match_context_t *mctx, re_node_set *cur_nodes, int cur_str, int subexp_num, int type) { @@ -3373,6 +3379,8 @@ build_trtable (const re_dfa_t *dfa, re_dfastate_t *state) { state->trtable = (re_dfastate_t **) calloc (sizeof (re_dfastate_t *), SBC_MAX); + if (BE (state->trtable == NULL, 0)) + return 0; return 1; } return 0; @@ -4035,7 +4043,7 @@ find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len) /* Skip the collation sequence value. */ idx += sizeof (uint32_t); /* Skip the wide char sequence of the collating element. */ - idx = idx + sizeof (uint32_t) * (extra[idx] + 1); + idx = idx + sizeof (uint32_t) * (*(int32_t *) (extra + idx) + 1); /* If we found the entry, return the sequence value. */ if (found) return *(uint32_t *) (extra + idx); @@ -4102,7 +4110,7 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node, /* Extend the buffers, if the buffers have run out. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ extend_buffers (re_match_context_t *mctx) { reg_errcode_t ret; @@ -4165,7 +4173,7 @@ extend_buffers (re_match_context_t *mctx) /* Initialize MCTX. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ match_ctx_init (re_match_context_t *mctx, int eflags, int n) { mctx->eflags = eflags; @@ -4238,7 +4246,7 @@ match_ctx_free (re_match_context_t *mctx) */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ match_ctx_add_entry (re_match_context_t *mctx, int node, int str_idx, int from, int to) { @@ -4310,7 +4318,7 @@ search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx) at STR_IDX. */ static reg_errcode_t -internal_function +internal_function __attribute_warn_unused_result__ match_ctx_add_subtop (re_match_context_t *mctx, int node, int str_idx) { #ifdef DEBUG |