Function conditional_stack_get_query_len

src/fe_utils/conditional.c:149–155

* Fetch last-recorded query buffer length from topmost stack entry. * Will return -1 if no stack or it was never saved. */

 * Will return -1 if no stack or it was never saved.
 */
int
conditional_stack_get_query_len(ConditionalStack cstack)
{
	if (conditional_stack_empty(cstack))
		return -1;
	return cstack->head->query_len;
}

/*
 * Save current parenthesis nesting depth in topmost stack entry.