diff options
Diffstat (limited to 'ext/mysql/libmysql/bmove_upp.c')
| -rw-r--r-- | ext/mysql/libmysql/bmove_upp.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ext/mysql/libmysql/bmove_upp.c b/ext/mysql/libmysql/bmove_upp.c new file mode 100644 index 0000000000..435abfb6d6 --- /dev/null +++ b/ext/mysql/libmysql/bmove_upp.c @@ -0,0 +1,37 @@ +/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB + This file is public domain and comes with NO WARRANTY of any kind */ + +/* File : bmove.c + Author : Michael widenius + Updated: 1987-03-20 + Defines: bmove_upp() + + bmove_upp(dst, src, len) moves exactly "len" bytes from the source + "src-len" to the destination "dst-len" counting downwards. +*/ + +#include <global.h> +#include "m_string.h" + +#if defined(MC68000) && defined(DS90) + +/* 0 <= len <= 65535 */ +void bmove_upp(byte *dst, const byte *src,uint len) +{ +asm(" movl 12(a7),d0 "); +asm(" subql #1,d0 "); +asm(" blt .L5 "); +asm(" movl 4(a7),a1 "); +asm(" movl 8(a7),a0 "); +asm(".L4: movb -(a0),-(a1) "); +asm(" dbf d0,.L4 "); +asm(".L5: "); +} +#else + +void bmove_upp(register char *dst, register const char *src, register uint len) +{ + while (len-- != 0) *--dst = *--src; +} + +#endif |