ObjFW  Diff

	if (constructSel == NULL)
		constructSel = sel_registerName(".cxx_construct");

	if (!class_respondsToSelector(cls, constructSel))
		return true;

	construct = (id (*)(id, SEL))
	    class_getMethodImplementation(cls, constructSel);
	last = (id (*)(id, SEL))
	    class_getMethodImplementation(super, constructSel);

	if (construct == last)
		return true;

	return (construct(obj, constructSel) != nil);
}

	if (!callConstructors(cls, obj))
		return nil;

	return obj;
}

void *
objc_destructInstance(id obj)
{
	Class cls;
	void (*last)(id, SEL) = NULL;

#ifdef OF_OBJFW_RUNTIME
	objc_zero_weak_references(obj);
#endif

	if (destructSel == NULL)
		destructSel = sel_registerName(".cxx_destruct");

	for (cls = object_getClass(obj); cls != Nil;
	    cls = class_getSuperclass(cls)) {
		void (*destruct)(id, SEL);

		if (class_respondsToSelector(cls, destructSel)) {
			if ((destruct = (void (*)(id, SEL))
			    class_getMethodImplementation(cls,
			    destructSel)) != last)
				destruct(obj, destructSel);

			last = destruct;
		} else
			break;
	}

	return obj;
}