glibc/sysdeps/mach/hurd/getresuid.c
Roland McGrath 0d5cb2c74f [BZ #2329]
2006-02-20  Roland McGrath  <roland@redhat.com>
	* sysdeps/mips: Directory removed, saved in ports repository.
	* sysdeps/unix/mips: Likewise.
	* sysdeps/unix/sysv/linux/mips: Likewise.
	* sysdeps/mach/mips: Likewise.
	* sysdeps/mach/hurd/mips: Likewise.
	* shlib-versions: Remove mips matches, now in ports fragment.
	* sysdeps/unix/sysv/linux/kernel-features.h: Likewise.
	* configure.in (machine): Likewise.
	* configure: Regenerated.
2006-02-15  Thomas Schwinge  <tschwinge@gnu.org>

	[BZ #2329]
	* include/unistd.h (__getresuid, __getresgid, __setresuid)
	(__setresgid): Fix argument name order in prototypes.
	* posix/unistd.h (getresuid, getresgid, setresuid, setresgid):
	Likewise.
	* posix/getresuid.c (__getresuid): Fix argument order in definition.
	* posix/getresgid.c (__getresgid): Likewise.
	* posix/setresuid.c (__setresuid): Likewise.
	* posix/setresgid.c (__setresgid): Likewise.
	* sysdeps/mach/hurd/getresuid.c (__getresuid): Likewise.
	* sysdeps/mach/hurd/getresgid.c (__getresgid): Likewise.
	* sysdeps/mach/hurd/setresuid.c (__setresuid): Likewise.
	* sysdeps/mach/hurd/setresgid.c (__setresgid): Likewise.
	Reported by Samuel Thibault <samuel.thibault@ens-lyon.org>.
2006-02-21 02:30:10 +00:00

63 lines
1.8 KiB
C

/* getresuid -- fetch real user ID, effective user ID, and saved-set user ID
Copyright (C) 2002, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <unistd.h>
#include <hurd.h>
#include <hurd/id.h>
/* Fetch the real user ID, effective user ID, and saved-set user ID,
of the calling process. */
int
__getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
{
error_t err;
uid_t real, eff, saved;
HURD_CRITICAL_BEGIN;
__mutex_lock (&_hurd_id.lock);
err = _hurd_check_ids ();
if (!err)
{
if (_hurd_id.aux.nuids < 1)
/* We do not even have a real UID. */
err = EGRATUITOUS;
else
{
real = _hurd_id.aux.uids[0];
eff = _hurd_id.gen.nuids < 1 ? real : _hurd_id.gen.uids[0];
saved = _hurd_id.aux.nuids < 2 ? real : _hurd_id.aux.uids[1];
}
}
__mutex_unlock (&_hurd_id.lock);
HURD_CRITICAL_END;
if (err)
return __hurd_fail (err);
*ruid = real;
*euid = eff;
*suid = saved;
return 0;
}
libc_hidden_def (__getresuid)
weak_alias (__getresuid, getresuid)