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/* 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 */
/* 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 <global.h>
#include "m_string.h"
void bchange(register char *dst, uint old_length, register const char *src, uint new_length, uint tot_length)
{
uint 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);
}
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