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[glibc.git] / io / openat_2.c

/* _FORTIFY_SOURCE wrapper for openat.
   Copyright (C) 2013-2015 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 <fcntl.h>
#include <stdio.h>

int
__openat_2 (int fd, const char *file, int oflag)
{
  if (oflag & O_CREAT)
    __fortify_fail ("invalid openat call: O_CREAT without mode");

  return __openat (fd, file, oflag);
}