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[gnulib.git]
/
lib
/
chdir-safer.c
diff --git
a/lib/chdir-safer.c
b/lib/chdir-safer.c
index
f798ff2
..
03f3720
100644
(file)
--- a/
lib/chdir-safer.c
+++ b/
lib/chdir-safer.c
@@
-1,11
+1,11
@@
/* much like chdir(2), but safer
/* much like chdir(2), but safer
- Copyright (C) 2005
, 2006
Free Software Foundation, Inc.
+ Copyright (C) 2005
-2006, 2008
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
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
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@
-13,14
+13,11
@@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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 Jim Meyering */
/* written by Jim Meyering */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include "chdir-safer.h"
#include "chdir-safer.h"
@@
-32,6
+29,10
@@
#include <sys/stat.h>
#include "same-inode.h"
#include <sys/stat.h>
#include "same-inode.h"
+#ifndef ELOOP
+# define ELOOP 0
+#endif
+
/* Like chdir, but fail if DIR is a symbolic link to a directory (or
similar funny business), or if DIR is not readable. This avoids a
minor race condition between when a directory is created or statted
/* Like chdir, but fail if DIR is a symbolic link to a directory (or
similar funny business), or if DIR is not readable. This avoids a
minor race condition between when a directory is created or statted
@@
-49,8
+50,10
@@
chdir_no_follow (char const *dir)
/* If open follows symlinks, lstat DIR and fstat FD to ensure that
they are the same file; if they are different files, set errno to
ELOOP (the same value that open uses for symlinks with
/* If open follows symlinks, lstat DIR and fstat FD to ensure that
they are the same file; if they are different files, set errno to
ELOOP (the same value that open uses for symlinks with
- O_NOFOLLOW) so the caller can report a failure. */
- if (! O_NOFOLLOW)
+ O_NOFOLLOW) so the caller can report a failure.
+ Skip this check if ELOOP == 0, which should be the case
+ on any system that lacks symlink support. */
+ if (ELOOP && ! HAVE_WORKING_O_NOFOLLOW)
{
struct stat sb1;
result = lstat (dir, &sb1);
{
struct stat sb1;
result = lstat (dir, &sb1);