1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/* Copyright (C) 2000 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
strmov(dst, src) moves all the characters of src (including the
closing NUL) to dst, and returns a pointer to the new closing NUL in
dst. The similar UNIX routine strcpy returns the old value of dst,
which I have never found useful. strmov(strmov(dst,a),b) moves a//b
into dst, which seems useful.
*/
#include <my_global.h>
#include "m_string.h"
#ifdef BAD_STRING_COMPILER
#undef strmov
#define strmov strmov_overlapp
#endif
#ifndef strmov
#if !defined(MC68000) && !defined(DS90)
char *strmov(register char *dst, register const char *src)
{
while ((*dst++ = *src++)) ;
return dst-1;
}
#else
char *strmov(dst, src)
char *dst, *src;
{
asm(" movl 4(a7),a1 ");
asm(" movl 8(a7),a0 ");
asm(".L4: movb (a0)+,(a1)+ ");
asm(" jne .L4 ");
asm(" movl a1,d0 ");
asm(" subql #1,d0 ");
}
#endif
#endif /* strmov */
|