Changeset View
Changeset View
Standalone View
Standalone View
include/ssp/string.h
- This file was added.
/* $NetBSD: string.h,v 1.14 2020/09/05 13:37:59 mrg 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); | |||||
kib: Not needed | |||||
void *__memmove_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 *__stpncpy_chk(char *, const char *, size_t, 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_bos0(dst) != (size_t)-1) ? \ | |||||
__builtin___ ## fun ## _chk(dst, src, len, __ssp_bos0(dst)) : \ | |||||
__ ## fun ## _ichk(dst, src, len)) | |||||
#define __ssp_bos_check2(fun, dst, src) \ | |||||
((__ssp_bos0(dst) != (size_t)-1) ? \ | |||||
Done Inline ActionsThis doesn't quite work because of, e.g., gems like this from fortune: 460 | strcat(strcat(strcpy(tpath, dir), "/"), file); kevans: This doesn't quite work because of, e.g., gems like this from fortune:
```
460 |… | |||||
__builtin___ ## fun ## _chk(dst, src, __ssp_bos0(dst)) : \ | |||||
__ ## fun ## _ichk(dst, src)) | |||||
#define __ssp_bos_icheck3_restrict(fun, type1, type2) \ | |||||
static __inline type1 __ ## fun ## _ichk(type1 __restrict, type2 __restrict, size_t); \ | |||||
static __inline __attribute__((__always_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) \ | |||||
static __inline type1 __ ## fun ## _ichk(type1, type2, size_t); \ | |||||
static __inline __attribute__((__always_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) \ | |||||
static __inline type1 __ ## fun ## _ichk(type1, type2); \ | |||||
static __inline __attribute__((__always_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(memset, void *, int) | |||||
__ssp_bos_icheck2_restrict(stpcpy, char *, const char *) | |||||
__ssp_bos_icheck3_restrict(stpncpy, char *, const char *) | |||||
__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) | |||||
#define memset(dst, val, len) __ssp_bos_check3(memset, dst, val, len) | |||||
#define stpcpy(dst, src) __ssp_bos_check2(stpcpy, dst, src) | |||||
#define stpncpy(dst, src, len) __ssp_bos_check3(stpncpy, dst, src, len) | |||||
#define strcpy(dst, src) __ssp_bos_check2(strcpy, dst, src) | |||||
#define strcat(dst, src) __ssp_bos_check2(strcat, dst, src) | |||||
Done Inline ActionsThis is always true... imp: This is always true... | |||||
Done Inline ActionsFair point; I'll hack it back out in the second patch that reworks part of these headers for FreeBSD (with a brief explanation that it's tautological here) kevans: Fair point; I'll hack it back out in the second patch that reworks part of these headers for… | |||||
#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_ */ |
Not needed