+ if (! fchown_socket_failure)
+ {
+ errno = saved_errno;
+ return result;
+ }
+ }
+ else if (errno != EACCES)
+ return -1;
+ }
+# endif
+
+# if CHOWN_TRAILING_SLASH_BUG
+ if (!stat_valid)
+ {
+ size_t len = strlen (file);
+ if (len && file[len - 1] == '/' && stat (file, &st))
+ return -1;
+ }
+# endif
+
+ result = chown (file, uid, gid);
+
+# if CHOWN_CHANGE_TIME_BUG
+ if (result == 0 && stat_valid
+ && (uid == st.st_uid || uid == (uid_t) -1)
+ && (gid == st.st_gid || gid == (gid_t) -1))
+ {
+ /* No change in ownership, but at least one argument was not -1,
+ so we are required to update ctime. Since chown succeeded,
+ we assume that chmod will do likewise. Fortunately, on all
+ known systems where a 'no-op' chown skips the ctime update, a
+ 'no-op' chmod still does the trick. */
+ result = chmod (file, st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO
+ | S_ISUID | S_ISGID | S_ISVTX));
+ }
+# endif
+
+ return result;