/* Copyright (C) 1991-2018 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 <stddef.h>

#include <unistd.h>

#include <sys/types.h>

#include <limits.h>

/* If SIZE is zero, return the number of supplementary groups

   the calling process is in.  Otherwise, fill in the group IDs

   of its supplementary groups in LIST and return the number written.  */

int

__getgroups (int size, gid_t *list)

{

#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0

  /* The system has no supplementary groups.  */

  return 0;

#endif

  __set_errno (ENOSYS);

  return -1;

}

#if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0)

stub_warning (getgroups);

#endif

weak_alias (__getgroups, getgroups)