diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/group_member.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/hurd/group_member.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/group_member.c b/REORG.TODO/sysdeps/mach/hurd/group_member.c new file mode 100644 index 0000000000..a0fc359fe6 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/hurd/group_member.c @@ -0,0 +1,54 @@ +/* `group_member' -- test if process is in a given group. Hurd version. + Copyright (C) 1993-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <hurd.h> +#include <hurd/id.h> + +int +__group_member (gid_t gid) +{ + int member = 0; + error_t err; + void *crit; + + crit = _hurd_critical_section_lock (); + __mutex_lock (&_hurd_id.lock); + + err = _hurd_check_ids (); + if (! err) + { + size_t i; + for (i = 0; i < _hurd_id.gen.ngids; ++i) + if (_hurd_id.gen.gids[i] == gid) + { + member = 1; + break; + } + } + + __mutex_unlock (&_hurd_id.lock); + _hurd_critical_section_unlock (crit); + + if (err) + __hurd_fail (err); + return member; +} + +weak_alias (__group_member, group_member) |