source: mainline/include/memstr.h@ 50a4e25

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 50a4e25 was 9756131, checked in by Jakub Jermar <jakub@…>, 20 years ago

Get rid of memcopy().
All we now have is memcpy() and _memcpy().
memcpy() is defined to be builtin.
Where not applicable, architectures must implement memcpy() code or call slowish _memcopy().

  • Property mode set to 100644
File size: 2.0 KB
RevLine 
[f761f1eb]1/*
2 * Copyright (C) 2001-2004 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - 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.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __MEMSTR_H__
30#define __MEMSTR_H__
31
[6ba143d]32#include <typedefs.h>
[f761f1eb]33#include <arch/types.h>
34
[9756131]35#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt));
[f761f1eb]36
[6ba143d]37extern void memsetw(__address dst, size_t cnt, __u16 x);
38extern void memsetb(__address dst, size_t cnt, __u8 x);
[f761f1eb]39
40extern int memcmp(__address src, __address dst, int cnt);
41
[9db5b66]42/*
43 * Architecture independent variants.
44 */
[9756131]45extern char *_memcpy(void *dst, const void *src, size_t cnt);
[6ba143d]46extern void _memsetb(__address dst, size_t cnt, __u8 x);
[379d73f3]47extern void _memsetw(__address dst, size_t cnt, __u16 x);
[9db5b66]48
[f761f1eb]49#endif
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