54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* Copyright (C) 1991, 1992 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., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <ansidecl.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <hurd.h>
|
|
|
|
int
|
|
__getgroups (int n, gid_t *gidset)
|
|
{
|
|
int ngids;
|
|
|
|
__mutex_lock (&_hurd_idlock);
|
|
if (!_hurd_id_valid)
|
|
{
|
|
error_t err = _HURD_PORT_USE (&_hurd_auth,
|
|
__auth_getids (port, &_hurd_id));
|
|
if (err)
|
|
{
|
|
__mutex_unlock (&_hurd_idlock);
|
|
return __hurd_fail (err);
|
|
}
|
|
_hurd_id_valid = 1;
|
|
}
|
|
ngids = _hurd_id.ngroups;
|
|
if (gidset != NULL)
|
|
{
|
|
gid_t gids[ngids];
|
|
memcpy (gids, _hurd_id.groups, sizeof (gids));
|
|
__mutex_unlock (&_hurd_idlock);
|
|
memcpy (gidset, gids, sizeof (gids));
|
|
}
|
|
else
|
|
__mutex_unlock (&_hurd_idlock);
|
|
|
|
return ngids;
|
|
}
|