+++ /dev/null
-/* Invoke dup, but avoid some glitches.
-
- Copyright (C) 2001, 2004, 2005, 2006, 2009 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 Paul Eggert. */
-
-#include <config.h>
-
-#include "unistd-safer.h"
-
-#include <fcntl.h>
-
-#include <unistd.h>
-
-/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or
- STDERR_FILENO. */
-
-int
-dup_safer (int fd)
-{
-#if defined F_DUPFD && !defined FCHDIR_REPLACEMENT
- return fcntl (fd, F_DUPFD, STDERR_FILENO + 1);
-#else
- /* fd_safer calls us back, but eventually the recursion unwinds and
- does the right thing. */
- return fd_safer (dup (fd));
-#endif
-}