mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with this library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
|
MA 02111-1307, USA */
|
|
|
|
/*
|
|
bcmp(s1, s2, len) returns 0 if the "len" bytes starting at "s1" are
|
|
identical to the "len" bytes starting at "s2", non-zero if they are
|
|
different.
|
|
Now only used with purify.
|
|
*/
|
|
|
|
#include <global.h>
|
|
#include "m_string.h"
|
|
|
|
#if !defined(bcmp) && !defined(HAVE_BCMP)
|
|
|
|
#if defined(MC68000) && defined(DS90)
|
|
|
|
int bcmp(s1,s2, len)
|
|
const char *s1;
|
|
const char *s2;
|
|
uint len; /* 0 <= len <= 65535 */
|
|
{
|
|
asm(" movl 12(a7),d0 ");
|
|
asm(" subqw #1,d0 ");
|
|
asm(" blt .L5 ");
|
|
asm(" movl 4(a7),a1 ");
|
|
asm(" movl 8(a7),a0 ");
|
|
asm(".L4: cmpmb (a0)+,(a1)+ ");
|
|
asm(" dbne d0,.L4 ");
|
|
asm(".L5: addqw #1,d0 ");
|
|
}
|
|
|
|
#else
|
|
|
|
#ifdef HAVE_purify
|
|
int my_bcmp(s1, s2, len)
|
|
#else
|
|
int bcmp(s1, s2, len)
|
|
#endif
|
|
register const char *s1;
|
|
register const char *s2;
|
|
register uint len;
|
|
{
|
|
while (len-- != 0 && *s1++ == *s2++) ;
|
|
return len+1;
|
|
}
|
|
|
|
#endif
|
|
#endif /* BSD_FUNCS */
|