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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | /* * Copyright (c) 2007,2017 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _STRING_H_ # error "Never use <secure/_string.h> directly; include <string.h> instead." #endif #ifndef _SECURE__STRING_H_ #define _SECURE__STRING_H_ #include <sys/cdefs.h> #include <Availability.h> #include <secure/_common.h> #if _USE_FORTIFY_LEVEL > 0 /* <rdar://problem/12622659> */ #if defined(__clang__) && \ ((defined(__apple_build_version__) && __apple_build_version__ >= 4260006) || \ (!defined(__apple_build_version__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 3)))) #define __HAS_FIXED_CHK_PROTOTYPES 1 #else #define __HAS_FIXED_CHK_PROTOTYPES 0 #endif /* memccpy, memcpy, mempcpy, memmove, memset, strcpy, strlcpy, stpcpy, strncpy, stpncpy, strcat, strlcat, and strncat */ #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 #if __has_builtin(__builtin___memccpy_chk) && __HAS_FIXED_CHK_PROTOTYPES #undef memccpy /* void *memccpy(void *dst, const void *src, int c, size_t n) */ #define memccpy(dest, ...) \ __builtin___memccpy_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest)) #endif #endif #if __has_builtin(__builtin___memcpy_chk) || defined(__GNUC__) #undef memcpy /* void *memcpy(void *dst, const void *src, size_t n) */ #define memcpy(dest, ...) \ __builtin___memcpy_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest)) #endif #if __has_builtin(__builtin___memmove_chk) || defined(__GNUC__) #undef memmove /* void *memmove(void *dst, const void *src, size_t len) */ #define memmove(dest, ...) \ __builtin___memmove_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest)) #endif #if __has_builtin(__builtin___memset_chk) || defined(__GNUC__) #undef memset /* void *memset(void *b, int c, size_t len) */ #define memset(dest, ...) \ __builtin___memset_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest)) #endif #if __has_builtin(__builtin___strcpy_chk) || defined(__GNUC__) #undef strcpy /* char *strcpy(char *dst, const char *src) */ #define strcpy(dest, ...) \ __builtin___strcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #if __DARWIN_C_LEVEL >= 200809L #if __has_builtin(__builtin___stpcpy_chk) || defined(__GNUC__) #undef stpcpy /* char *stpcpy(char *dst, const char *src) */ #define stpcpy(dest, ...) \ __builtin___stpcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #if __has_builtin(__builtin___stpncpy_chk) || __APPLE_CC__ >= 5666 || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7) #undef stpncpy /* char *stpncpy(char *dst, const char *src, size_t n) */ #define stpncpy(dest, ...) \ __builtin___stpncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #endif /* _DARWIN_C_LEVEL >= 200809L */ #if __DARWIN_C_LEVEL >= __DARWIN_C_FULL #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 #if __has_builtin(__builtin___strlcpy_chk) && __HAS_FIXED_CHK_PROTOTYPES #undef strlcpy /* size_t strlcpy(char *dst, const char *source, size_t size) */ #define strlcpy(dest, ...) \ __builtin___strlcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #if __has_builtin(__builtin___strlcat_chk) && __HAS_FIXED_CHK_PROTOTYPES #undef strlcat /* size_t strlcat(char *dst, const char *source, size_t size) */ #define strlcat(dest, ...) \ __builtin___strlcat_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #endif /* __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 */ #endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */ #if __has_builtin(__builtin___strncpy_chk) || defined(__GNUC__) #undef strncpy /* char *strncpy(char *dst, const char *src, size_t n) */ #define strncpy(dest, ...) \ __builtin___strncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #if __has_builtin(__builtin___strcat_chk) || defined(__GNUC__) #undef strcat /* char *strcat(char *s1, const char *s2) */ #define strcat(dest, ...) \ __builtin___strcat_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #if ! (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 32000) #if __has_builtin(__builtin___strncat_chk) || defined(__GNUC__) #undef strncat /* char *strncat(char *s1, const char *s2, size_t n) */ #define strncat(dest, ...) \ __builtin___strncat_chk (dest, __VA_ARGS__, __darwin_obsz (dest)) #endif #endif #undef __HAS_FIXED_CHK_PROTOTYPES #endif /* _USE_FORTIFY_LEVEL > 0 */ #endif /* _SECURE__STRING_H_ */ |