diff options
Diffstat (limited to 'regcomp.c')
-rw-r--r-- | regcomp.c | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -1592,13 +1592,15 @@ compile_length_tree(Node* node, regex_t* reg) case NT_ALT: { - int n; - - n = r = 0; + int n = 0; + len = 0; do { - r += compile_length_tree(NCAR(node), reg); - n++; + r = compile_length_tree(NCAR(node), reg); + if (r < 0) return r; + len += r; + n++; } while (IS_NOT_NULL(node = NCDR(node))); + r = len; r += (SIZE_OP_PUSH + SIZE_OP_JUMP) * (n - 1); } break; |