ObjFW  Diff

		_bitIndex = 8;

#ifdef OF_INFLATE64_STREAM_M
		_slidingWindowMask = 0xFFFF;
#else
		_slidingWindowMask = 0x7FFF;
#endif
		_slidingWindow = [self allocZeroedMemoryWithSize:
		    _slidingWindowMask + 1];
		_slidingWindow = of_calloc(_slidingWindowMask + 1, 1);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	if (_stream != nil)
		[self close];

	free(_slidingWindow);

	if (_state == HUFFMAN_TREE)
	if (_state == HUFFMAN_TREE) {
		free(_context.huffmanTree.lengths);

		if (_context.huffmanTree.codeLenTree != NULL)
			of_huffman_tree_release(
			    _context.huffmanTree.codeLenTree);
	}

	if (_state == HUFFMAN_TREE || _state == HUFFMAN_BLOCK) {
		if (_context.huffman.litLenTree != fixedLitLenTree)
			of_huffman_tree_release(_context.huffman.litLenTree);
		if (_context.huffman.distTree != fixedDistTree)
			of_huffman_tree_release(_context.huffman.distTree);
	}

				if OF_UNLIKELY (!tryReadBits(self, &bits, 4))
					return bytesWritten;

				CTX.codeLenCodesCount = bits;
			}

			if OF_LIKELY (CTX.lengths == NULL)
				CTX.lengths = [self
				CTX.lengths = of_calloc(19, 1);
				    allocZeroedMemoryWithSize: 19];

			for (uint16_t i = CTX.receivedCount;
			    i < CTX.codeLenCodesCount + 4; i++) {
				if OF_UNLIKELY (!tryReadBits(self, &bits, 3)) {
					CTX.receivedCount = i;
					return bytesWritten;
				}

				CTX.lengths[codeLengthsOrder[i]] = bits;
			}

			CTX.codeLenTree = of_huffman_tree_construct(
			    CTX.lengths, 19);
			CTX.treeIter = CTX.codeLenTree;

			[self freeMemory: CTX.lengths];
			free(CTX.lengths);
			CTX.lengths = NULL;
			CTX.receivedCount = 0;
			CTX.value = 0xFF;
		}

		if OF_LIKELY (CTX.lengths == NULL)
			CTX.lengths = [self allocMemoryWithSize:
			    CTX.litLenCodesCount + CTX.distCodesCount + 258];
			CTX.lengths = of_malloc(
			    CTX.litLenCodesCount + CTX.distCodesCount + 258, 1);

		for (uint16_t i = CTX.receivedCount;
		    i < CTX.litLenCodesCount + CTX.distCodesCount + 258;) {
			uint8_t j, count;

			if OF_LIKELY (CTX.value == 0xFF) {
				if OF_UNLIKELY (!of_huffman_tree_walk(self,

		CTX.litLenTree = of_huffman_tree_construct(CTX.lengths,
		    CTX.litLenCodesCount + 257);
		CTX.distTree = of_huffman_tree_construct(
		    CTX.lengths + CTX.litLenCodesCount + 257,
		    CTX.distCodesCount + 1);

		[self freeMemory: CTX.lengths];
		free(CTX.lengths);

		/*
		 * litLenTree and distTree are at the same location in
		 * _context.huffman and _context.huffmanTree, thus no need to
		 * set them.
		 */
		_state = HUFFMAN_BLOCK;