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  • Committer: Olaf van der Spek
  • Date: 2011-08-13 16:39:27 UTC
  • mto: This revision was merged to the branch mainline in revision 2407.
  • Revision ID: olafvdspek@gmail.com-20110813163927-luksv0xydcqmi5pz
Refactor iocache

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drizzled/internal/mf_iocache.cc
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 */
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int _my_b_get(io_cache_st *info)
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{
 
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  if (info->pre_read)
 
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    (*info->pre_read)(info);
 
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  unsigned char buff;
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  IO_CACHE_CALLBACK pre_read,post_read;
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  if ((pre_read = info->pre_read))
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    (*pre_read)(info);
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  if ((*(info)->read_function)(info,&buff,1))
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    return my_b_EOF;
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  if ((post_read = info->post_read))
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    (*post_read)(info);
 
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  if (info->post_read)
 
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    (*info->post_read)(info);
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  return (int) (unsigned char) buff;
 
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  return buff;
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}
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/**
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 *   As all write calls to the data goes through the cache,
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 *   we will never get a seek over the end of the buffer.
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 */
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int my_block_write(io_cache_st *info, const unsigned char *Buffer, size_t Count,
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                   my_off_t pos)
 
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static int my_block_write(io_cache_st *info, const unsigned char *Buffer, size_t Count, my_off_t pos)
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{
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  size_t length_local;
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  int error=0;
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  return error;
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}
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int io_cache_st::block_write(const void* Buffer, size_t Count, my_off_t pos)
 
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{
 
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  return my_block_write(this, reinterpret_cast<const unsigned char*>(Buffer), Count, pos);
 
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}
 
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/**
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 * @brief
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 *   Flush write cache