secure/secure.h

   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
  28 extern void __chk_fail_overflow (void) __attribute__((__noreturn__));
  29 extern 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  */
  34 extern 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? */
  37 extern uint32_t __chk_assert_no_overlap;
  38
  39 #endif