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64 lines
2 KiB
C
64 lines
2 KiB
C
/* Copyright (c) 2000 TXT DataKonsult Ab & Monty Program Ab
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Copyright (c) 2009-2011, Monty Program Ab
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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*/
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/*
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strmov(dst, src) moves all the characters of src (including the
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closing NUL) to dst, and returns a pointer to the new closing NUL in
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dst. The similar UNIX routine strcpy returns the old value of dst,
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which I have never found useful. strmov(strmov(dst,a),b) moves a//b
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into dst, which seems useful.
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*/
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#include "strings_def.h"
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#ifndef strmov
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#if !defined(MC68000) && !defined(DS90)
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char *strmov(register char *dst, register const char *src)
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{
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while ((*dst++ = *src++)) ;
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return dst-1;
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}
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#else
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char *strmov(dst, src)
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char *dst, *src;
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{
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asm(" movl 4(a7),a1 ");
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asm(" movl 8(a7),a0 ");
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asm(".L4: movb (a0)+,(a1)+ ");
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asm(" jne .L4 ");
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asm(" movl a1,d0 ");
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asm(" subql #1,d0 ");
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}
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#endif
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#endif /* strmov */
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