projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| b061a43b A |
1 | /* |
| 2 | * Copyright (c) 2017 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 _STRINGS_H_ | |
| 25 | # error "Never use <secure/_strings.h> directly; include <strings.h> instead." | |
| 26 | #endif | |
| 27 | ||
| 28 | #ifndef _SECURE__STRINGS_H_ | |
| 29 | #define _SECURE__STRINGS_H_ | |
| 30 | ||
| 31 | #include <sys/cdefs.h> | |
| 32 | #include <Availability.h> | |
| 33 | #include <secure/_common.h> | |
| 34 | ||
| 35 | #if _USE_FORTIFY_LEVEL > 0 | |
| 36 | ||
| 37 | /* bcopy and bzero */ | |
| 38 | ||
| 39 | /* Removed in Issue 7 */ | |
| 40 | #if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200809L | |
| 41 | ||
| 42 | #if __has_builtin(__builtin___memmove_chk) || defined(__GNUC__) | |
| 43 | #undef bcopy | |
| 44 | /* void bcopy(const void *src, void *dst, size_t len) */ | |
| 45 | #define bcopy(src, dest, ...) \ | |
| 46 | __builtin___memmove_chk (dest, src, __VA_ARGS__, __darwin_obsz0 (dest)) | |
| 47 | #endif | |
| 48 | ||
| 49 | #if __has_builtin(__builtin___memset_chk) || defined(__GNUC__) | |
| 50 | #undef bzero | |
| 51 | /* void bzero(void *s, size_t n) */ | |
| 52 | #define bzero(dest, ...) \ | |
| 53 | __builtin___memset_chk (dest, 0, __VA_ARGS__, __darwin_obsz0 (dest)) | |
| 54 | #endif | |
| 55 | ||
| 56 | #endif | |
| 57 | ||
| 58 | #endif /* _USE_FORTIFY_LEVEL > 0 */ | |
| 59 | #endif /* _SECURE__STRINGS_H_ */ |