+static int treat_leading_path(struct dir_struct *dir,
+ const char *path, int len,
+ const struct path_simplify *simplify)
+{
+ char pathbuf[PATH_MAX];
+ int baselen, blen;
+ const char *cp;
+
+ while (len && path[len - 1] == '/')
+ len--;
+ if (!len)
+ return 1;
+ baselen = 0;
+ while (1) {
+ cp = path + baselen + !!baselen;
+ cp = memchr(cp, '/', path + len - cp);
+ if (!cp)
+ baselen = len;
+ else
+ baselen = cp - path;
+ memcpy(pathbuf, path, baselen);
+ pathbuf[baselen] = '\0';
+ if (!is_directory(pathbuf))
+ return 0;
+ if (simplify_away(pathbuf, baselen, simplify))
+ return 0;
+ blen = baselen;
+ if (treat_one_path(dir, pathbuf, &blen, simplify,
+ DT_DIR, NULL) == path_ignored)
+ return 0; /* do not recurse into it */
+ if (len <= baselen)
+ return 1; /* finished checking */
+ }
+}
+