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  • Committer: Monty Taylor
  • Date: 2008-12-06 07:22:02 UTC
  • mto: (656.1.7 devel) (660.1.5 codestyle)
  • mto: This revision was merged to the branch mainline in revision 665.
  • Revision ID: monty@inaugust.com-20081206072202-2g25o9doqr1l8euu
OOOh doggie. Got rid of my_alloca.

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drizzled/field/varstring.cc
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#include <drizzled/table.h>
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#include <drizzled/session.h>
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#include <string>
 
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using namespace std;
 
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/****************************************************************************
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  VARCHAR type
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  Data in field->ptr is stored as:
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  return (max_length > 255 ? 2 : 1)+max_length;
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}
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uint32_t Field_varstring::get_key_image(basic_string<unsigned char> &buff,
 
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                                        uint32_t length, imagetype)
 
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{
 
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  /* Key is always stored with 2 bytes */
 
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  const uint32_t key_len= 2;
 
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  uint32_t f_length=  length_bytes == 1 ? (uint) *ptr : uint2korr(ptr);
 
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  uint32_t local_char_length= length / field_charset->mbmaxlen;
 
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  unsigned char *pos= ptr+length_bytes;
 
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  local_char_length= my_charpos(field_charset, pos, pos + f_length,
 
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                                local_char_length);
 
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  set_if_smaller(f_length, local_char_length);
 
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  unsigned char len_buff[key_len];
 
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  int2store(len_buff,f_length);
 
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  buff.append(len_buff);
 
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  buff.append(pos, f_length);
 
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  if (f_length < length)
 
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  {
 
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    /*
 
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      Must clear this as we do a memcmp in opt_range.cc to detect
 
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      identical keys
 
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    */
 
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    buff.append(length-f_length, 0);
 
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  }
 
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  return key_len+f_length;
 
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}
 
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uint32_t Field_varstring::get_key_image(unsigned char *buff,
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                                    uint32_t length,
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                                    imagetype type __attribute__((unused)))