bionic/libc/include/strings.h
Dan Albert 8ca440089f Use __builtin_*_chk for bcopy/bzero.
Replacing memmove/memset with their builtin check equivalents fixes an
implicit definition warning when only including strings.h.

Change-Id: I74f03b9506ea37f5c2f9c11498e379a70998b430
2014-06-23 08:30:40 -07:00

64 lines
2.6 KiB
C

/* $NetBSD: strings.h,v 1.10 2005/02/03 04:39:32 perry Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 _STRINGS_H_
#define _STRINGS_H_
#include <sys/types.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
#if defined(__BIONIC_FORTIFY)
#define bcopy(b1, b2, len) \
(void)(__builtin___memmove_chk((b2), (b1), (len), __bos0(b2)))
#define bzero(b, len) \
(void)(__builtin___memset_chk((b), '\0', (len), __bos0(b)))
#else
#define bcopy(b1, b2, len) (void)(__builtin_memmove((b2), (b1), (len)))
#define bzero(b, len) (void)(__builtin_memset((b), '\0', (len)))
#endif
int ffs(int);
int strcasecmp(const char *, const char *);
int strncasecmp(const char *, const char *, size_t);
__END_DECLS
#endif /* !defined(_STRINGS_H_) */