diff options
Diffstat (limited to 'posix/regcomp.c')
| -rw-r--r-- | posix/regcomp.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c index 542b848..63ef768 100644 --- a/posix/regcomp.c +++ b/posix/regcomp.c @@ -999,7 +999,11 @@ create_initial_state (re_dfa_t *dfa) int dest_idx = dfa->edests[node_idx].elems[0]; if (!re_node_set_contains (&init_nodes, dest_idx)) { - re_node_set_merge (&init_nodes, dfa->eclosures + dest_idx); + reg_errcode_t err = re_node_set_merge (&init_nodes, + dfa->eclosures + + dest_idx); + if (err != REG_NOERROR) + return err; i = 0; } } @@ -1414,7 +1418,7 @@ link_nfa_nodes (void *extra, bin_tree_t *node) case OP_BACK_REF: dfa->nexts[idx] = node->next->node_idx; if (node->token.type == OP_BACK_REF) - re_node_set_init_1 (dfa->edests + idx, dfa->nexts[idx]); + err = re_node_set_init_1 (dfa->edests + idx, dfa->nexts[idx]); break; default: @@ -1690,7 +1694,9 @@ calc_eclosure_iter (re_node_set *new_set, re_dfa_t *dfa, int node, int root) else eclosure_elem = dfa->eclosures[edest]; /* Merge the epsilon closure of `edest'. */ - re_node_set_merge (&eclosure, &eclosure_elem); + err = re_node_set_merge (&eclosure, &eclosure_elem); + if (BE (err != REG_NOERROR, 0)) + return err; /* If the epsilon closure of `edest' is incomplete, the epsilon closure of this node is also incomplete. */ if (dfa->eclosures[edest].nelem == 0) |