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Viewing changes to strings/bchange.c

Removed dead variable, sorted authors file.

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strings/bchange.c
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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 unsigned char *dst, size_t old_length,
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             register const unsigned char *src,
 
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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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    memcpy(dst+new_length, dst+old_length, rest);
 
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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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}