sysdeps/unix/sysv/linux/i386/getgroups.c

   1 /* Copyright (C) 1997-2013 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 Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the 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    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <unistd.h>
  20 #include <sys/param.h>
  21 #include <sys/types.h>
  22
  23 #include <sysdep.h>
  24 #include <sys/syscall.h>
  25 #include <bp-checks.h>
  26
  27 #include <linux/posix_types.h>
  28
  29
  30 /* Consider moving to syscalls.list.  */
  31
  32 /* For Linux we must convert the array of groups from the format that the
  33    kernel returns.  */
  34 int
  35 __getgroups (int n, gid_t *groups)
  36 {
  37   return INLINE_SYSCALL (getgroups32, 2, n, CHECK_N (groups, n));
  38 }
  39
  40 weak_alias (__getgroups, getgroups)