mirror of
https://github.com/MariaDB/server.git
synced 2025-10-31 02:46:29 +01:00
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* Copyright (c) 2000 TXT DataKonsult Ab & Monty Program Ab
|
|
Copyright (c) 2009-2011, Monty Program Ab
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are
|
|
met:
|
|
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must the following disclaimer in
|
|
the documentation and/or other materials provided with the
|
|
distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY
|
|
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
SUCH DAMAGE.
|
|
*/
|
|
|
|
/* File : bchange.c
|
|
Author : Michael widenius
|
|
Updated: 1987-03-20
|
|
Defines: bchange()
|
|
|
|
bchange(dst, old_length, src, new_length, tot_length)
|
|
replaces old_length characters at dst to new_length characters from
|
|
src in a buffer with tot_length bytes.
|
|
*/
|
|
|
|
#include "strings_def.h"
|
|
|
|
void bchange(register uchar *dst, size_t old_length, register const uchar *src,
|
|
size_t new_length, size_t tot_length)
|
|
{
|
|
size_t rest=tot_length-old_length;
|
|
if (old_length < new_length)
|
|
bmove_upp(dst+rest+new_length,dst+tot_length,rest);
|
|
else
|
|
bmove(dst+new_length,dst+old_length,rest);
|
|
memcpy(dst,src,new_length);
|
|
}
|