Function conditional_stack_pop

src/fe_utils/conditional.c:56–66

* Destroy the topmost conditional branch. * Returns false if there was no branch to end. */

 * Returns false if there was no branch to end.
 */
bool
conditional_stack_pop(ConditionalStack cstack)
{
	IfStackElem *p = cstack->head;

	if (!p)
		return false;
	cstack->head = cstack->head->next;
	free(p);
	return true;
}

/*
 * Returns current stack depth, for debugging purposes.