Function write_parameter

sql/parse_file.cc:104–190

static my_bool
write_parameter(IO_CACHE *file, uchar* base, File_option *parameter)
{
  char num_buf[20];			// buffer for numeric operations
  // string for numeric operations
  String num(num_buf, sizeof(num_buf), &my_charset_bin);
  DBUG_ENTER("write_parameter");

  switch (parameter->type) {
  case FILE_OPTIONS_STRING:
  {
    LEX_STRING *val_s= (LEX_STRING *)(base + parameter->offset);
    if (my_b_append(file, (const uchar *)val_s->str, val_s->length))
      DBUG_RETURN(TRUE);
    break;
  }
  case FILE_OPTIONS_ESTRING:
  {
    if (write_escaped_string(file, (LEX_STRING *)(base + parameter->offset)))
      DBUG_RETURN(TRUE);
    break;
  }
  case FILE_OPTIONS_ULONGLONG:
  {
    num.set(*((ulonglong *)(base + parameter->offset)), &my_charset_bin);
    if (my_b_append(file, (const uchar *)num.ptr(), num.length()))
      DBUG_RETURN(TRUE);
    break;
  }
  case FILE_OPTIONS_TIMESTAMP:
  {
    /* string have to be allocated already */
    LEX_STRING *val_s= (LEX_STRING *)(base + parameter->offset);
    time_t tm= my_time(0);

    get_date(val_s->str, GETDATE_DATE_TIME|GETDATE_GMT|GETDATE_FIXEDLENGTH,
	     tm);
    val_s->length= PARSE_FILE_TIMESTAMPLENGTH;
    if (my_b_append(file, (const uchar *)val_s->str,
                    PARSE_FILE_TIMESTAMPLENGTH))
      DBUG_RETURN(TRUE);
    break;
  }
  case FILE_OPTIONS_STRLIST:
  {
    List_iterator_fast<LEX_STRING> it(*((List<LEX_STRING>*)
					(base + parameter->offset)));
    bool first= 1;
    LEX_STRING *str;
    while ((str= it++))
    {
      // We need ' ' after string to detect list continuation
      if ((!first && my_b_append(file, (const uchar *)STRING_WITH_LEN(" "))) ||
	  my_b_append(file, (const uchar *)STRING_WITH_LEN("\'")) ||
          write_escaped_string(file, str) ||
	  my_b_append(file, (const uchar *)STRING_WITH_LEN("\'")))
      {
	DBUG_RETURN(TRUE);