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The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -07001/* $NetBSD: strings.h,v 1.10 2005/02/03 04:39:32 perry Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Klaus Klein.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
Elliott Hughes462e90c2018-08-21 16:10:48 -070039#pragma once
40
41/**
42 * @file strings.h
43 * @brief Extra string functions.
44 */
The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -070045
Martin Storsjo70f12802009-07-22 11:41:02 +020046#include <sys/types.h>
The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -070047#include <sys/cdefs.h>
Elliott Hughesb20c2442014-11-06 15:04:08 -080048#include <xlocale.h>
The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -070049
Josh Gaoc3cec272016-04-07 13:39:49 -070050#include <bits/strcasecmp.h>
51
The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -070052__BEGIN_DECLS
Elliott Hughes462e90c2018-08-21 16:10:48 -070053
Elliott Hughes462e90c2018-08-21 16:10:48 -070054/** Deprecated. Use memmove() instead. */
George Burgess IV261b7f42019-06-10 16:32:07 -070055static __inline__ __always_inline void bcopy(const void* b1, void* b2, size_t len) {
56 __builtin_memmove(b2, b1, len);
57}
58
Elliott Hughes462e90c2018-08-21 16:10:48 -070059/** Deprecated. Use memset() instead. */
George Burgess IV261b7f42019-06-10 16:32:07 -070060static __inline__ __always_inline void bzero(void* b, size_t len) {
61 __builtin_memset(b, 0, len);
62}
Dan Albert8ca44002014-06-21 18:04:54 -070063
Elliott Hughes8f5608b2017-06-30 15:57:59 -070064#if !defined(__i386__) || __ANDROID_API__ >= __ANDROID_API_J_MR2__
Elliott Hughes462e90c2018-08-21 16:10:48 -070065/**
66 * [ffs(3)](http://man7.org/linux/man-pages/man3/ffs.3.html) finds the first set bit in `__i`.
67 *
68 * Returns 0 if no bit is set, or the index of the lowest set bit (counting from 1) otherwise.
69 */
Elliott Hughesff26a162017-08-17 22:34:21 +000070int ffs(int __i) __INTRODUCED_IN_X86(18);
Elliott Hughes8f5608b2017-06-30 15:57:59 -070071#endif
Dan Albertce9ce282014-06-03 11:35:48 -070072
George Burgess IV261b7f42019-06-10 16:32:07 -070073#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
74#include <bits/fortify/strings.h>
75#endif
76
The Android Open Source Projecta27d2ba2008-10-21 07:00:00 -070077__END_DECLS
78
Elliott Hughes8f5608b2017-06-30 15:57:59 -070079#include <android/legacy_strings_inlines.h>