151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
/*
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* Copyright (c) 2007,2017 Apple Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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#ifndef _STRING_H_
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# error "Never use <secure/_string.h> directly; include <string.h> instead."
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#endif
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#ifndef _SECURE__STRING_H_
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#define _SECURE__STRING_H_
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#include <sys/cdefs.h>
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#include <Availability.h>
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#include <secure/_common.h>
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#if _USE_FORTIFY_LEVEL > 0
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/* <rdar://problem/12622659> */
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#if defined(__clang__) && \
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((defined(__apple_build_version__) && __apple_build_version__ >= 4260006) || \
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(!defined(__apple_build_version__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 3))))
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#define __HAS_FIXED_CHK_PROTOTYPES 1
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#else
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#define __HAS_FIXED_CHK_PROTOTYPES 0
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#endif
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/* memccpy, memcpy, mempcpy, memmove, memset, strcpy, strlcpy, stpcpy,
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strncpy, stpncpy, strcat, strlcat, and strncat */
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#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 || \
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defined(__DRIVERKIT_VERSION_MIN_REQUIRED)
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#if __has_builtin(__builtin___memccpy_chk) && __HAS_FIXED_CHK_PROTOTYPES
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#undef memccpy
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/* void *memccpy(void *dst, const void *src, int c, size_t n) */
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#define memccpy(dest, ...) \
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__builtin___memccpy_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest))
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#endif
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#endif
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#if __has_builtin(__builtin___memcpy_chk) || defined(__GNUC__)
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#undef memcpy
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/* void *memcpy(void *dst, const void *src, size_t n) */
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#define memcpy(dest, ...) \
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__builtin___memcpy_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest))
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#endif
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#if __has_builtin(__builtin___memmove_chk) || defined(__GNUC__)
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#undef memmove
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/* void *memmove(void *dst, const void *src, size_t len) */
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#define memmove(dest, ...) \
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__builtin___memmove_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest))
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#endif
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#if __has_builtin(__builtin___memset_chk) || defined(__GNUC__)
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#undef memset
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/* void *memset(void *b, int c, size_t len) */
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#define memset(dest, ...) \
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__builtin___memset_chk (dest, __VA_ARGS__, __darwin_obsz0 (dest))
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#endif
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#if __has_builtin(__builtin___strcpy_chk) || defined(__GNUC__)
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#undef strcpy
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/* char *strcpy(char *dst, const char *src) */
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#define strcpy(dest, ...) \
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__builtin___strcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#if __DARWIN_C_LEVEL >= 200809L
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#if __has_builtin(__builtin___stpcpy_chk) || defined(__GNUC__)
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#undef stpcpy
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/* char *stpcpy(char *dst, const char *src) */
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#define stpcpy(dest, ...) \
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__builtin___stpcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#endif /* __DARWIN_C_LEVEL >= 200809L */
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#if __DARWIN_C_LEVEL >= 200809L
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#if __has_builtin(__builtin___stpncpy_chk) || __APPLE_CC__ >= 5666 || __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)
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#undef stpncpy
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/* char *stpncpy(char *dst, const char *src, size_t n) */
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#define stpncpy(dest, ...) \
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__builtin___stpncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#endif /* _DARWIN_C_LEVEL >= 200809L */
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#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
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#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 || \
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defined(__DRIVERKIT_VERSION_MIN_REQUIRED)
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#if __has_builtin(__builtin___strlcpy_chk) && __HAS_FIXED_CHK_PROTOTYPES
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#undef strlcpy
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/* size_t strlcpy(char *dst, const char *source, size_t size) */
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#define strlcpy(dest, ...) \
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__builtin___strlcpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#if __has_builtin(__builtin___strlcat_chk) && __HAS_FIXED_CHK_PROTOTYPES
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#undef strlcat
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/* size_t strlcat(char *dst, const char *source, size_t size) */
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#define strlcat(dest, ...) \
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__builtin___strlcat_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#endif /* __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000 || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090 */
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#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
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#if __has_builtin(__builtin___strncpy_chk) || defined(__GNUC__)
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#undef strncpy
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/* char *strncpy(char *dst, const char *src, size_t n) */
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#define strncpy(dest, ...) \
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__builtin___strncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#if __has_builtin(__builtin___strcat_chk) || defined(__GNUC__)
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#undef strcat
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/* char *strcat(char *s1, const char *s2) */
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#define strcat(dest, ...) \
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__builtin___strcat_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#if ! (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < 32000)
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#if __has_builtin(__builtin___strncat_chk) || defined(__GNUC__)
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#undef strncat
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/* char *strncat(char *s1, const char *s2, size_t n) */
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#define strncat(dest, ...) \
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__builtin___strncat_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
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#endif
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#endif
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#undef __HAS_FIXED_CHK_PROTOTYPES
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#endif /* _USE_FORTIFY_LEVEL > 0 */
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#endif /* _SECURE__STRING_H_ */
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