diff options
| -rw-r--r-- | src/parse.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/parse.c b/src/parse.c index fbb095d..15feac1 100644 --- a/src/parse.c +++ b/src/parse.c @@ -136,6 +136,19 @@ struct bfs_expr *bfs_expr_new(bfs_eval_fn *eval_fn, size_t argc, char **argv) { expr->successes = 0; expr->elapsed.tv_sec = 0; expr->elapsed.tv_nsec = 0; + + // Prevent bfs_expr_free() from freeing uninitialized pointers on error paths + if (bfs_expr_has_children(expr)) { + expr->lhs = NULL; + expr->rhs = NULL; + } else if (eval_fn == eval_exec) { + expr->exec = NULL; + } else if (eval_fn == eval_fprintf) { + expr->printf = NULL; + } else if (eval_fn == eval_regex) { + expr->regex = NULL; + } + return expr; } |