1/*
2 * Copyright (c) 2013 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#ifndef _SECURE_H_
25
26#include <sys/types.h>
27
28extern void __chk_fail_overflow (void) __attribute__((__noreturn__));
29extern void __chk_fail_overlap (void) __attribute__((__noreturn__));
30
31/* Assert if a -> a+an and b -> b+bn overlap.
32 * 0-lengths don't overlap anything.
33 */
34extern void __chk_overlap (const void *a, size_t an, const void *b, size_t bn);
35
36/* Do we avoid the overlap check for older APIs? */
37extern uint32_t __chk_assert_no_overlap;
38
39#endif
40