glibc/io/openat_2.c

30 lines
1.0 KiB
C

/* _FORTIFY_SOURCE wrapper for openat.
Copyright (C) 2013-2017 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 (__OPEN_NEEDS_MODE (oflag))
__fortify_fail ("invalid openat call: O_CREAT or O_TMPFILE without mode");
return __openat (fd, file, oflag);
}