ObjFW  Diff

			return nil;
		case ERROR_MORE_DATA:
			objc_autoreleasePoolPop(pool);
			pool = objc_autoreleasePoolPush();

			ret = [OFMutableData dataWithCapacity: length];
			[ret increaseCountBy: length];
			buffer = ret.mutableItems;

			continue;
		default:
			@throw [OFGetWindowsRegistryValueFailedException
			    exceptionWithRegistryKey: self
					       value: value
					  subkeyPath: subkeyPath