_strings.h (1895B) - Raw
1 /* 2 * Copyright (c) 2017, 2023 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_ */