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pathmax: PATH_MAX: use pathconf only when available
[gnulib.git]
/
lib
/
unlinkdir.c
diff --git
a/lib/unlinkdir.c
b/lib/unlinkdir.c
index
91a4fb6
..
9c3ff00
100644
(file)
--- a/
lib/unlinkdir.c
+++ b/
lib/unlinkdir.c
@@
-1,11
+1,11
@@
/* unlinkdir.c - determine (and maybe change) whether we can unlink directories
/* unlinkdir.c - determine (and maybe change) whether we can unlink directories
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005
-2006, 2009
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
@@
-13,29
+13,28
@@
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 St, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Written by Paul Eggert and Jim Meyering. */
/* Written by Paul Eggert and Jim Meyering. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include "unlinkdir.h"
#if HAVE_PRIV_H
# include <priv.h>
#endif
#include "unlinkdir.h"
#if HAVE_PRIV_H
# include <priv.h>
#endif
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
#if ! UNLINK_CANNOT_UNLINK_DIR
/* Return true if we cannot unlink directories, false if we might be
able to unlink directories. If possible, tell the kernel we don't
#if ! UNLINK_CANNOT_UNLINK_DIR
/* Return true if we cannot unlink directories, false if we might be
able to unlink directories. If possible, tell the kernel we don't
- want to be able to unlink directories, so that we can return true. */
+ want to be able to unlink directories, so that we can return true.
+
+ Note: this function may modify the process privilege set, to remove
+ the PRIV_SYS_LINKDIR privilege, so is neither thread-safe, nor
+ appropriate for use in a library. */
bool
cannot_unlink_dir (void)
bool
cannot_unlink_dir (void)