| /* 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; |
| } |