sysdeps/unix/sysv/linux/getresgid.c

   1 /* Copyright (C) 1998 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <unistd.h>
  20 #include <sys/types.h>
  21
  22 #include <linux/posix_types.h>
  23
  24 extern int __syscall_getresgid (__kernel_gid_t *rgid, __kernel_gid_t *egid,
  25                                 __kernel_gid_t *sgid);
  26
  27 int
  28 getresgid (gid_t *rgid, gid_t *egid, gid_t *sgid)
  29 {
  30   __kernel_gid_t k_rgid, k_egid, k_sgid;
  31
  32   if (__syscall_getresgid (&k_rgid, &k_egid, &k_sgid) < 0)
  33     return -1;
  34
  35   *rgid = (gid_t) k_rgid;
  36   *egid = (gid_t) k_egid;
  37   *sgid = (gid_t) k_sgid;
  38   return 0;
  39 }