116 lines
4.8 KiB
C
116 lines
4.8 KiB
C
/* $NetBSD: string.h,v 1.13 2014/11/29 13:23:48 pooka Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2006 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#ifndef _SSP_STRING_H_
|
|
#define _SSP_STRING_H_
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <ssp/ssp.h>
|
|
|
|
__BEGIN_DECLS
|
|
void *__memcpy_chk(void *, const void *, size_t, size_t);
|
|
void *__memmove_chk(void *, void *, size_t, size_t);
|
|
void *__mempcpy_chk(void *, const void *, size_t, size_t);
|
|
void *__memset_chk(void *, int, size_t, size_t);
|
|
char *__stpcpy_chk(char *, const char *, size_t);
|
|
char *__strcat_chk(char *, const char *, size_t);
|
|
char *__strcpy_chk(char *, const char *, size_t);
|
|
char *__strncat_chk(char *, const char *, size_t, size_t);
|
|
char *__strncpy_chk(char *, const char *, size_t, size_t);
|
|
__END_DECLS
|
|
|
|
#if __SSP_FORTIFY_LEVEL > 0
|
|
|
|
#define __ssp_bos_check3(fun, dst, src, len) \
|
|
(__ssp_bos_known(dst) ? \
|
|
__builtin___ ## fun ## _chk(dst, src, len, __ssp_bos0(dst)) : \
|
|
__ ## fun ## _ichk(dst, src, len))
|
|
|
|
#define __ssp_bos_check2(fun, dst, src) \
|
|
(__ssp_bos_known(dst) ? \
|
|
__builtin___ ## fun ## _chk(dst, src, __ssp_bos0(dst)) : \
|
|
__ ## fun ## _ichk(dst, src))
|
|
|
|
#define __ssp_bos_icheck3_restrict(fun, type1, type2) \
|
|
__ssp_inline type1 __ ## fun ## _ichk(type1 __restrict, type2 __restrict, size_t); \
|
|
__ssp_inline type1 \
|
|
__ ## fun ## _ichk(type1 __restrict dst, type2 __restrict src, size_t len) { \
|
|
return __builtin___ ## fun ## _chk(dst, src, len, __ssp_bos0(dst)); \
|
|
}
|
|
|
|
#define __ssp_bos_icheck3(fun, type1, type2) \
|
|
__ssp_inline type1 __ ## fun ## _ichk(type1, type2, size_t); \
|
|
__ssp_inline type1 \
|
|
__ ## fun ## _ichk(type1 dst, type2 src, size_t len) { \
|
|
return __builtin___ ## fun ## _chk(dst, src, len, __ssp_bos0(dst)); \
|
|
}
|
|
|
|
#define __ssp_bos_icheck2_restrict(fun, type1, type2) \
|
|
__ssp_inline type1 __ ## fun ## _ichk(type1, type2); \
|
|
__ssp_inline type1 \
|
|
__ ## fun ## _ichk(type1 __restrict dst, type2 __restrict src) { \
|
|
return __builtin___ ## fun ## _chk(dst, src, __ssp_bos0(dst)); \
|
|
}
|
|
|
|
__BEGIN_DECLS
|
|
__ssp_bos_icheck3_restrict(memcpy, void *, const void *)
|
|
__ssp_bos_icheck3(memmove, void *, const void *)
|
|
__ssp_bos_icheck3_restrict(mempcpy, void *, const void *)
|
|
__ssp_bos_icheck3(memset, void *, int)
|
|
__ssp_bos_icheck2_restrict(stpcpy, char *, const char *)
|
|
#if __GNUC_PREREQ__(4,8) || defined(__clang__)
|
|
__ssp_bos_icheck3_restrict(stpncpy, char *, const char *)
|
|
#endif
|
|
__ssp_bos_icheck2_restrict(strcpy, char *, const char *)
|
|
__ssp_bos_icheck2_restrict(strcat, char *, const char *)
|
|
__ssp_bos_icheck3_restrict(strncpy, char *, const char *)
|
|
__ssp_bos_icheck3_restrict(strncat, char *, const char *)
|
|
__END_DECLS
|
|
|
|
#define memcpy(dst, src, len) __ssp_bos_check3(memcpy, dst, src, len)
|
|
#define memmove(dst, src, len) __ssp_bos_check3(memmove, dst, src, len)
|
|
#if __GNU_VISIBLE
|
|
#define mempcpy(dst, src, len) __ssp_bos_check3(mempcpy, dst, src, len)
|
|
#endif
|
|
#define memset(dst, val, len) __ssp_bos_check3(memset, dst, val, len)
|
|
#if __POSIX_VISIBLE >= 200809
|
|
#define stpcpy(dst, src) __ssp_bos_check2(stpcpy, dst, src)
|
|
#if __GNUC_PREREQ__(4,8) || defined(__clang__)
|
|
#define stpncpy(dst, src, len) __ssp_bos_check3(stpncpy, dst, src, len)
|
|
#endif
|
|
#endif
|
|
#define strcpy(dst, src) __ssp_bos_check2(strcpy, dst, src)
|
|
#define strcat(dst, src) __ssp_bos_check2(strcat, dst, src)
|
|
#define strncpy(dst, src, len) __ssp_bos_check3(strncpy, dst, src, len)
|
|
#define strncat(dst, src, len) __ssp_bos_check3(strncat, dst, src, len)
|
|
|
|
#endif /* __SSP_FORTIFY_LEVEL > 0 */
|
|
#endif /* _SSP_STRING_H_ */
|