glibc/hurd/geteuids.c
Ulrich Drepper b5567b2af6 Update.
2000-03-29  Jes Sorensen  <jes@pcatls01.cern.ch>

	* malloc/malloc.c: Declare bit flags UL so that they will not
	default to int size when being inverted.

2000-03-29  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/arm/errlist.c: Use shlib-compat macros.
	* sysdeps/unix/sysv/linux/arm/siglist.c: Likewise.

2000-03-29  Andreas Jaeger  <aj@suse.de>,
            Ralf Baechle <ralf@uni-koblenz.de>

	* Makeconfig: Introduce new variable SHARED to mark code used in
	the shared library.
	* elf/dl-close.c: Use it instead of PIC.
	* elf/dl-load.c: Likewise.
	* elf/dl-open.c: Likewise.
	* hurd/geteuids.c: Likewise.
	* include/libc-symbols.h: Likewise.
	* include/shlib-compat.h: Likewise.
	* libio/freopen.c: Likewise.
	* linuxthreads/cancel.c: Likewise.
	* linuxthreads/pthread.c: Likewise.
	* linuxthreads/wrapsyscall.c: Likewise.
	* nss/nsswitch.c: Likewise.
	* stdio-common/vfprintf.c: Likewise.
	* sysdeps/arm/init-first.c: Likewise.
	* sysdeps/i386/init-first.c: Likewise
	* sysdeps/generic/init-first.c: Likewise.
	* sysdeps/generic/libc-start.c: Likewise.
	* sysdeps/mips/init-first.c: Likewise.
	* sysdeps/powerpc/elf/libc-start.c: Likewise.
	* sysdeps/unix/sysv/linux/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/siglist.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/errlist.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.

	* sysdeps/mips/machine-gmon.h (asm): Use __PIC__ as check.
2000-03-31 05:50:02 +00:00

70 lines
2.0 KiB
C

/* Copyright (C) 1993, 94, 96, 97, 98, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <hurd.h>
#include <hurd/id.h>
#include <string.h>
int
geteuids (int n, uid_t *uidset)
{
error_t err;
int nuids;
void *crit;
crit = _hurd_critical_section_lock ();
__mutex_lock (&_hurd_id.lock);
if (err = _hurd_check_ids ())
{
__mutex_unlock (&_hurd_id.lock);
_hurd_critical_section_unlock (crit);
return __hurd_fail (err);
}
nuids = _hurd_id.gen.nuids;
if (n != 0)
{
/* Copy the uids onto stack storage and then release the idlock. */
uid_t uids[nuids];
memcpy (uids, _hurd_id.gen.uids, sizeof (uids));
__mutex_unlock (&_hurd_id.lock);
_hurd_critical_section_unlock (crit);
/* Now that the lock is released, we can safely copy the
uid set into the user's array, which might fault. */
if (nuids > n)
nuids = n;
memcpy (uidset, uids, nuids * sizeof (uid_t));
}
else
{
__mutex_unlock (&_hurd_id.lock);
_hurd_critical_section_unlock (crit);
}
return nuids;
}
/* XXX Remove this alias when we bump the libc soname. */
#if defined SHARED && DO_VERSIONING
weak_alias (geteuids, __getuids)
#endif