ObjFW  Diff

		OFStream *stream;
		size_t pageSize;
		unsigned char *buffer;

		if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)
			@throw [OFUnsupportedProtocolException
			    exceptionWithURL: URL];

		stream = [URLHandler openItemAtURL: URL
					      mode: @"r"];

		_itemSize = 1;
		_count = 0;

		pageSize = [OFSystemInfo pageSize];
		buffer = [self allocMemoryWithSize: pageSize];