/******************************************************************************
 *                                                                            *
 * Function: expand_trigger_description_constants                             *
 *                                                                            *
 * Purpose: substitute simple macros in data string with real values          *
 *                                                                            *
 * Parameters: data - trigger description                                     *
 *                                                                            *
 ******************************************************************************/
static void	expand_trigger_description_constants(char **data, const char *expression)
{
	char	**numbers = NULL, *new_str = NULL, replace[3] = "$0";
	int	numbers_cnt = 0, i = 0;

	numbers = extract_numbers(expression, &numbers_cnt);

	for (i = 0; i < 9; i++)
	{
		replace[1] = '0' + i + 1;
		new_str = string_replace(*data, replace, i < numbers_cnt ?  numbers[i] : "");
		zbx_free(*data);
		*data = new_str;
	}

	zbx_free_numbers(&numbers, numbers_cnt);
}