From cc0e6ed81fa3ab0eeecfc576098b4522f0323c4b Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 3 May 2013 16:33:26 -0700 Subject: Consolidate definitions of _FORTIFY_SOURCE wrappers for open{,64}{,at}. --- io/openat_2.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 io/openat_2.c (limited to 'io/openat_2.c') diff --git a/io/openat_2.c b/io/openat_2.c new file mode 100644 index 0000000..b423f1d --- /dev/null +++ b/io/openat_2.c @@ -0,0 +1,29 @@ +/* _FORTIFY_SOURCE wrapper for openat. + Copyright (C) 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 + . */ + +#include +#include + +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); +} -- cgit v1.1