ObjFW  Diff

	id old = *ptr;

	switch (copy) {
	case 0:
		*ptr = [value retain];
		break;
	case 2:
		/*
		 * Apple uses this to indicate that the copy should be mutable.
		 * Please hit them for abusing a poor BOOL!
		 */
		*ptr = [value mutableCopy];
		break;
	default:
		*ptr = [value copy];
	}

	[old release];