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/* Copyright (C) 2005-2013 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>
int
__getgroups_chk (int size, __gid_t list[], size_t listlen)
{
if (__builtin_expect (size < 0, 0))
{
__set_errno (EINVAL);
return -1;
}
if (__builtin_expect (size * sizeof (__gid_t) > listlen, 0))
__chk_fail ();
return __getgroups (size, list);
}
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