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