mysql_hex_string(char *to, const char *from, ulong length)
{
  char *to0= to;
  const char *end;
            
  for (end= from + length; from < end; from++)
  {
    *to++= _dig_vec_upper[((unsigned char) *from) >> 4];
    *to++= _dig_vec_upper[((unsigned char) *from) & 0x0F];
  }
  *to= '\0';
  return (ulong) (to-to0);
}
Unknown