/* dirfd.c -- return the file descriptor associated with an open DIR*
- Copyright (C) 2001 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Jim Meyering. */
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#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;
}