| /* $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_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) ? \ |
| __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_ */ |