freebsd-src/include/strings.h
Kyle Evans 9bfd3b4076 Add a build knob for _FORTIFY_SOURCE
In the future, we will Default to _FORTIFY_SOURCE=2 if SSP is enabled,
otherwise default to _FORTIFY_SOURCE=0.  For now we default it to 0
unconditionally to ease bisect across older versions without the new
symbols, and we'll put out a call for testing.

include/*.h include their ssp/*.h equivalents as needed based on the
knob. Programs and users are allowed to override FORTIFY_SOURCE in their
Makefiles or src.conf/make.conf to force it off.

Reviewed by:	des, markj
Relnotes:	yes
Sponsored by:	Stormshield
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D32308
2024-05-13 00:23:50 -05:00

75 lines
2.5 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2002 Mike Barcroft <mike@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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 _STRINGS_H_
#define _STRINGS_H_
#include <sys/cdefs.h>
#include <sys/_types.h>
#ifndef _SIZE_T_DECLARED
typedef __size_t size_t;
#define _SIZE_T_DECLARED
#endif
__BEGIN_DECLS
#if __BSD_VISIBLE || __POSIX_VISIBLE <= 200112
int bcmp(const void *, const void *, size_t) __pure; /* LEGACY */
void bcopy(const void *, void *, size_t); /* LEGACY */
void bzero(void *, size_t); /* LEGACY */
#endif
#if __BSD_VISIBLE
void explicit_bzero(void *, size_t);
#endif
#if __XSI_VISIBLE
int ffs(int) __pure2;
#endif
#if __BSD_VISIBLE
int ffsl(long) __pure2;
int ffsll(long long) __pure2;
int fls(int) __pure2;
int flsl(long) __pure2;
int flsll(long long) __pure2;
#endif
#if __BSD_VISIBLE || __POSIX_VISIBLE <= 200112
char *index(const char *, int) __pure; /* LEGACY */
char *rindex(const char *, int) __pure; /* LEGACY */
#endif
int strcasecmp(const char *, const char *) __pure;
int strncasecmp(const char *, const char *, size_t) __pure;
#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
#include <xlocale/_strings.h>
#endif
__END_DECLS
#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0
#include <ssp/strings.h>
#endif
#endif /* _STRINGS_H_ */