X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fdirfd.c;h=8272e132d44dc27a9eee06b94d0519a505f17c0b;hb=84d1749c4b5ad026522be96537320556ec6f7a57;hp=18f5154a06ac8daf070907f1902bbfe9a80e5508;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git

diff --git a/lib/dirfd.c b/lib/dirfd.c
index 18f5154a0..8272e132d 100644
--- a/lib/dirfd.c
+++ b/lib/dirfd.c
@@ -1,6 +1,6 @@
 /* dirfd.c -- return the file descriptor associated with an open DIR*
 
-   Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006, 2008-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -19,10 +19,14 @@
 
 #include <config.h>
 
-#include "dirfd.h"
+#include <dirent.h>
+#include <errno.h>
 
 int
-dirfd (DIR const *dir_p)
+dirfd (DIR *dir_p)
 {
-  return DIR_TO_FD (dir_p);
+  int fd = DIR_TO_FD (dir_p);
+  if (fd == -1)
+    errno = ENOTSUP;
+  return fd;
 }