diff options
Diffstat (limited to 'posix/regex_internal.c')
| -rw-r--r-- | posix/regex_internal.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/posix/regex_internal.c b/posix/regex_internal.c index 50d6a79300..8b68bd62cb 100644 --- a/posix/regex_internal.c +++ b/posix/regex_internal.c @@ -756,10 +756,12 @@ re_node_set_add_intersect (dest, src1, src2) { if (src1->nelem + src2->nelem + dest->nelem > dest->alloc) { - dest->alloc = src1->nelem + src2->nelem + dest->nelem; - dest->elems = re_realloc (dest->elems, int, dest->alloc); - if (BE (dest->elems == NULL, 0)) + int new_alloc = src1->nelem + src2->nelem + dest->nelem; + int *new_elems = re_realloc (dest->elems, int, new_alloc); + if (BE (new_elems == NULL, 0)) return REG_ESPACE; + dest->elems = new_elems; + dest->alloc = new_alloc; } } else @@ -857,12 +859,12 @@ re_node_set_merge (dest, src) return REG_NOERROR; if (dest->alloc < src->nelem + dest->nelem) { - int *new_buffer; - dest->alloc = 2 * (src->nelem + dest->alloc); - new_buffer = re_realloc (dest->elems, int, dest->alloc); + int new_alloc = 2 * (src->nelem + dest->alloc); + int *new_buffer = re_realloc (dest->elems, int, new_alloc); if (BE (new_buffer == NULL, 0)) return REG_ESPACE; dest->elems = new_buffer; + dest->alloc = new_alloc; } for (si = 0, di = 0 ; si < src->nelem && di < dest->nelem ;) @@ -1042,25 +1044,24 @@ re_dfa_add_node (dfa, token, mode) { if (BE (dfa->nodes_len >= dfa->nodes_alloc, 0)) { - re_token_t *new_array; - dfa->nodes_alloc *= 2; - new_array = re_realloc (dfa->nodes, re_token_t, dfa->nodes_alloc); + int new_nodes_alloc = dfa->nodes_alloc * 2; + re_token_t *new_array = re_realloc (dfa->nodes, re_token_t, + new_nodes_alloc); if (BE (new_array == NULL, 0)) return -1; - else - dfa->nodes = new_array; + dfa->nodes = new_array; if (mode) { int *new_nexts, *new_indices; re_node_set *new_edests, *new_eclosures, *new_inveclosures; - new_nexts = re_realloc (dfa->nexts, int, dfa->nodes_alloc); - new_indices = re_realloc (dfa->org_indices, int, dfa->nodes_alloc); - new_edests = re_realloc (dfa->edests, re_node_set, dfa->nodes_alloc); + new_nexts = re_realloc (dfa->nexts, int, new_nodes_alloc); + new_indices = re_realloc (dfa->org_indices, int, new_nodes_alloc); + new_edests = re_realloc (dfa->edests, re_node_set, new_nodes_alloc); new_eclosures = re_realloc (dfa->eclosures, re_node_set, - dfa->nodes_alloc); + new_nodes_alloc); new_inveclosures = re_realloc (dfa->inveclosures, re_node_set, - dfa->nodes_alloc); + new_nodes_alloc); if (BE (new_nexts == NULL || new_indices == NULL || new_edests == NULL || new_eclosures == NULL || new_inveclosures == NULL, 0)) @@ -1071,6 +1072,7 @@ re_dfa_add_node (dfa, token, mode) dfa->eclosures = new_eclosures; dfa->inveclosures = new_inveclosures; } + dfa->nodes_alloc = new_nodes_alloc; } dfa->nodes[dfa->nodes_len] = token; dfa->nodes[dfa->nodes_len].duplicated = 0; @@ -1223,14 +1225,15 @@ register_state (dfa, newstate, hash) struct re_state_table_entry *spot; spot = dfa->state_table + (hash & dfa->state_hash_mask); - if (spot->alloc <= spot->num) + if (BE (spot->alloc <= spot->num, 0)) { - re_dfastate_t **new_array; - spot->alloc = 2 * spot->num + 2; - new_array = re_realloc (spot->array, re_dfastate_t *, spot->alloc); + int new_alloc = 2 * spot->num + 2; + re_dfastate_t **new_array = re_realloc (spot->array, re_dfastate_t *, + new_alloc); if (BE (new_array == NULL, 0)) return REG_ESPACE; spot->array = new_array; + spot->alloc = new_alloc; } spot->array[spot->num++] = newstate; return REG_NOERROR; |