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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-01-20 10:55:18 +0000
commit70e9163c9c18e995515598085cb824e554eb7ae7 (patch)
treea42dc8b2a6c031354bf31472de888bfc8a060132 /lib/dup-safer.c
parentcbf5993c43f49281173f185863577d86bfac6eae (diff)
downloadcoreutils-tarball-master.tar.gz
Diffstat (limited to 'lib/dup-safer.c')
-rw-r--r--lib/dup-safer.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/lib/dup-safer.c b/lib/dup-safer.c
index 7b12b61..6ed8f79 100644
--- a/lib/dup-safer.c
+++ b/lib/dup-safer.c
@@ -1,11 +1,11 @@
/* Invoke dup, but avoid some glitches.
- Copyright (C) 2001, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2004-2006, 2009-2016 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
@@ -13,8 +13,7 @@
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert. */
@@ -23,11 +22,7 @@
#include "unistd-safer.h"
#include <fcntl.h>
-
#include <unistd.h>
-#ifndef STDERR_FILENO
-# define STDERR_FILENO 2
-#endif
/* Like dup, but do not return STDIN_FILENO, STDOUT_FILENO, or
STDERR_FILENO. */
@@ -35,11 +30,5 @@
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
}