+ size_t len;
+ int lstat_result = orig_lstat (file, sbuf);
+
+ if (lstat_result != 0 || !S_ISLNK (sbuf->st_mode))
+ return lstat_result;
+
+ len = strlen (file);
+ if (len == 0 || file[len - 1] != '/')
+ return 0;
+
+ /* FILE refers to a symbolic link and the name ends with a slash.
+ Call stat() to get info about the link's referent. */
+
+ /* If stat fails, then we do the same. */
+ if (stat (file, sbuf) != 0)
+ return -1;
+
+ /* If FILE references a directory, return 0. */
+ if (S_ISDIR (sbuf->st_mode))
+ return 0;