2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2019 Kyle Evans <kevans@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/types.h>
36 /* Signatures grabbed from LSB Core Specification 4.1 */
37 void *__memcpy_chk(void *dst, const void *src, size_t len,
39 void *__memset_chk(void *dst, int c, size_t len, size_t dstlen);
40 int __snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
41 const char *fmt, ...);
42 int __sprintf_chk(char *str, int flag, size_t strlen, const char *fmt, ...);
43 char *__stpcpy_chk(char *dst, const char *src, size_t dstlen);
44 char *__strcat_chk(char *dst, const char *src, size_t dstlen);
45 char *__strcpy_chk(char *dst, const char *src, size_t dstlen);
46 char *__strncat_chk(char *dst, const char *src, size_t len, size_t dstlen);
47 char *__strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen);
48 int __vsnprintf_chk(char *str, size_t size, int flags, size_t len,
49 const char *format, va_list ap);
50 int __vsprintf_chk(char *str, int flag, size_t slen, const char *format,
53 #define ABORT() abort2("_FORTIFY_SOURCE not supported", 0, NULL)
56 __memcpy_chk(void *dst, const void *src, size_t len,
64 __memset_chk(void *dst, int c, size_t len, size_t dstlen)
71 __snprintf_chk(char *str, size_t maxlen, int flag, size_t strlen,
79 __sprintf_chk(char *str, int flag, size_t strlen, const char *fmt, ...)
86 __stpcpy_chk(char *dst, const char *src, size_t dstlen)
93 __strcat_chk(char *dst, const char *src, size_t dstlen)
100 __strcpy_chk(char *dst, const char *src, size_t dstlen)
107 __strncat_chk(char *dst, const char *src, size_t len, size_t dstlen)
114 __strncpy_chk(char *dst, const char *src, size_t len, size_t dstlen)
121 __vsnprintf_chk(char *str, size_t size, int flags, size_t len,
122 const char *format, va_list ap)
129 __vsprintf_chk(char *str, int flag, size_t slen, const char *format,