[glibc.git] / debug / getgroups_chk.c

/* Copyright (C) 2005 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <unistd.h>


int
__getgroups_chk (int size, __gid_t list[], size_t listlen)
{
  if (__builtin_expect (size * sizeof (__gid_t) > listlen, 0))
    __chk_fail ();

  return __getgroups (size, list);
}
Commit	Line	Data
9f3731cf UD	1	/* Copyright (C) 2005 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, write to the Free
	16	Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	17	02111-1307 USA. */
	18
	19	#include <errno.h>
	20	#include <unistd.h>
	21
	22
757beee1	23	int
9f3731cf UD	24	__getgroups_chk (int size, __gid_t list[], size_t listlen)
	25	{
	26	if (__builtin_expect (size * sizeof (__gid_t) > listlen, 0))
	27	__chk_fail ();
	28
	29	return __getgroups (size, list);
	30	}