+ if (child < 0) {
+
+ if (errno == ENOENT &&
+ (flags & CHASE_NONEXISTENT) &&
+ (isempty(todo) || path_is_safe(todo))) {
+
+ /* If CHASE_NONEXISTENT is set, and the path does not exist, then that's OK, return
+ * what we got so far. But don't allow this if the remaining path contains "../ or "./"
+ * or something else weird. */
+
+ if (!strextend(&done, first, todo, NULL))
+ return -ENOMEM;
+
+ exists = false;
+ break;
+ }
+