Function tablename_to_filename

sql/sql_table.cc:458–490

*/

uint tablename_to_filename(const char *from, char *to, uint to_length)
{
  uint errors, length;
  DBUG_ENTER("tablename_to_filename");
  DBUG_PRINT("enter", ("from '%s'", from));

  if ((length= check_n_cut_mysql50_prefix(from, to, to_length)))
  {
    /*
      Check if the name supplied is a valid mysql 5.0 name and 
      make the name a zero length string if it's not.
      Note that just returning zero length is not enough : 
      a lot of places don't check the return value and expect 
      a zero terminated string.
    */  
    if (check_table_name(to, length, TRUE) != IDENT_NAME_OK)
    {
      to[0]= 0;
      length= 0;
    }
    DBUG_RETURN(length);
  }
  length= strconvert(system_charset_info, from,
                     &my_charset_filename, to, to_length, &errors);
  if (check_if_legal_tablename(to) &&
      length + 4 < to_length)
  {
    memcpy(to + length, "@@@", 4);
    length+= 3;
  }
  DBUG_PRINT("exit", ("to '%s'", to));
  DBUG_RETURN(length);
}


/*