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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02111-1301, USA */
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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 <my_global.h>
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#include "m_string.h"
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void bchange(register char *dst, size_t old_length, register const char *src, 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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