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emacs/lib/dirfd.c
Paul Eggert ccf00107f7 Merge from gnulib
This incorporates:
2015-03-19 fdopendir: port better to MinGW
2015-03-18 fdopendir: fix typo in comment
2015-02-24 glob, etc.: port to MSVC v18 on MS-Windows 8.1
* lib/dirent.in.h, lib/fdopendir.c: Update from gnulib.
* lib/dirfd.c, m4/dirfd.m4: New files from gnulib.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
2015-03-19 12:33:44 -07:00

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C

/* dirfd.c -- return the file descriptor associated with an open DIR*
Copyright (C) 2001, 2006, 2008-2015 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 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, see <http://www.gnu.org/licenses/>. */
/* Written by Jim Meyering. */
#include <config.h>
#include <dirent.h>
#include <errno.h>
int
dirfd (DIR *dir_p)
{
int fd = DIR_TO_FD (dir_p);
if (fd == -1)
errno = ENOTSUP;
return fd;
}