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