/* $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. */ #pragma once /** * @file strings.h * @brief Extra string functions. */ #include #include #include #include __BEGIN_DECLS #if defined(__BIONIC_FORTIFY) /** Deprecated. Use memmove() instead. */ #define bcopy(b1, b2, len) (void)(__builtin___memmove_chk((b2), (b1), (len), __bos0(b2))) /** Deprecated. Use memset() instead. */ #define bzero(b, len) (void)(__builtin___memset_chk((b), '\0', (len), __bos0(b))) #else /** Deprecated. Use memmove() instead. */ #define bcopy(b1, b2, len) (void)(__builtin_memmove((b2), (b1), (len))) /** Deprecated. Use memset() instead. */ #define bzero(b, len) (void)(__builtin_memset((b), '\0', (len))) #endif #if !defined(__i386__) || __ANDROID_API__ >= __ANDROID_API_J_MR2__ /** * [ffs(3)](http://man7.org/linux/man-pages/man3/ffs.3.html) finds the first set bit in `__i`. * * Returns 0 if no bit is set, or the index of the lowest set bit (counting from 1) otherwise. */ int ffs(int __i) __INTRODUCED_IN_X86(18); #endif __END_DECLS #include