ObjFW  Check-in [aacb5897a0]

		_bitIndex = 8;

#ifdef INFLATE64
		_slidingWindowMask = 0xFFFF;
#else
		_slidingWindowMask = 0x7FFF;
#endif
		_slidingWindow = [self allocMemoryWithSize:
		_slidingWindow = [self allocZeroedMemoryWithSize:
		    _slidingWindowMask + 1];
		/* Avoid leaking data */
		memset(_slidingWindow, 0, _slidingWindowMask + 1);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

			if OF_LIKELY (CTX.codeLenCodesCount == 0xFF) {
				if OF_UNLIKELY (!tryReadBits(self, &bits, 4))
					return bytesWritten;

				CTX.codeLenCodesCount = bits;
			}

			if OF_LIKELY (CTX.lengths == NULL) {
				CTX.lengths = [self allocMemoryWithSize: 19];
				memset(CTX.lengths, 0, 19);
			if OF_LIKELY (CTX.lengths == NULL)
				CTX.lengths = [self
				    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;
				}

		/* 0-7 address the bit, 8 means fetch next byte */
		_bitIndex = 8;

		_distanceBits = distanceBits;
		_dictionaryBits = dictionaryBits;

		_slidingWindowMask = (1 << dictionaryBits) - 1;
		_slidingWindow = [self allocMemoryWithSize:
		_slidingWindow = [self allocZeroedMemoryWithSize:
		    _slidingWindowMask + 1];
		/* Avoid leaking data */
		memset(_slidingWindow, 0, _slidingWindowMask + 1);
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

		if OF_UNLIKELY (bits == 0) {
			_state = STATE_CODE_LEN_TREE_SINGLE;
			goto start;
		}

		_codesCount = bits;
		_codesReceived = 0;
		_codesLengths = [self allocMemoryWithSize: bits];
		_codesLengths = [self allocZeroedMemoryWithSize: bits];
		memset(_codesLengths, 0, bits);
		_skip = true;

		_state = STATE_CODE_LEN_TREE;
		goto start;
	case STATE_CODE_LEN_TREE:
		while (_codesReceived < _codesCount) {
			if OF_UNLIKELY (_currentIsExtendedLength) {

			_state = STATE_LITLEN_TREE_SINGLE;
			goto start;
		}

		_codesCount = bits;
		_codesReceived = 0;
		_codesLengths = [self allocMemoryWithSize: bits];
		_codesLengths = [self allocZeroedMemoryWithSize: bits];
		memset(_codesLengths, 0, bits);
		_skip = false;

		_treeIter = _codeLenTree;
		_state = STATE_LITLEN_TREE;
		goto start;
	case STATE_LITLEN_TREE:
		while (_codesReceived < _codesCount) {

		if OF_UNLIKELY (bits == 0) {
			_state = STATE_DIST_TREE_SINGLE;
			goto start;
		}

		_codesCount = bits;
		_codesReceived = 0;
		_codesLengths = [self allocMemoryWithSize: bits];
		_codesLengths = [self allocZeroedMemoryWithSize: bits];
		memset(_codesLengths, 0, bits);

		_treeIter = _codeLenTree;
		_state = STATE_DIST_TREE;
		goto start;
	case STATE_DIST_TREE:
		while (_codesReceived < _codesCount) {
			if OF_UNLIKELY (_currentIsExtendedLength) {

		if (capacity * 8 / _capacity >= 6)
			if (_capacity <= UINT32_MAX / 2)
				_capacity *= 2;

		if (_capacity < MIN_CAPACITY)
			_capacity = MIN_CAPACITY;

		_buckets = [self allocMemoryWithSize: sizeof(*_buckets)
					       count: _capacity];
		_buckets = [self allocZeroedMemoryWithSize: sizeof(*_buckets)
						     count: _capacity];

		memset(_buckets, 0, _capacity * sizeof(*_buckets));

		if (of_hash_seed != 0)
#if defined(HAVE_ARC4RANDOM)
			_rotate = arc4random() & 31;
#elif defined(HAVE_RANDOM)
			_rotate = random() & 31;
#else

	/*
	 * Don't downsize if we have an initial capacity or if we would fall
	 * below the minimum capacity.
	 */
	if ((capacity < _capacity && count > _count) || capacity < MIN_CAPACITY)
		return;

	buckets = [self allocMemoryWithSize: sizeof(*buckets)
				      count: capacity];
	buckets = [self allocZeroedMemoryWithSize: sizeof(*buckets)
					    count: capacity];

	memset(buckets, 0, capacity * sizeof(*buckets));

	for (uint32_t i = 0; i < _capacity; i++) {
		if (_buckets[i] != NULL && _buckets[i] != &deleted) {
			uint32_t j, last;

			last = capacity;

 * @return The method signature for the specified selector
 */
- (nullable OFMethodSignature *)methodSignatureForSelector: (SEL)selector;

/*!
 * @brief Allocates memory and stores it in the object's memory pool.
 *
 * It will be freed automatically when the object is deallocated.
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of the memory to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size is 0.
 */
- (nullable void *)allocMemoryWithSize: (size_t)size OF_WARN_UNUSED_RESULT;

/*!
 * @brief Allocates memory for the specified number of items and stores it in
 *	  the object's memory pool.
 *
 * It will be freed automatically when the object is deallocated.
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of each item to allocate
 * @param count The number of items to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size or count is 0.
 */
- (nullable void *)allocMemoryWithSize: (size_t)size
				 count: (size_t)count OF_WARN_UNUSED_RESULT;

/*!
 * @brief Allocates memory, initializes it with zeros and stores it in the
 *	  object's memory pool.
 *
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of the memory to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size is 0.
 */
- (nullable void *)allocZeroedMemoryWithSize: (size_t)size
    OF_WARN_UNUSED_RESULT;

/*!
 * @brief Allocates memory for the specified number of items, initializes it
 *	  with zeros and stores it in the object's memory pool.
 *
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of each item to allocate
 * @param count The number of items to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size or count is 0.
 */
- (nullable void *)allocZeroedMemoryWithSize: (size_t)size
				       count: (size_t)count
    OF_WARN_UNUSED_RESULT;

/*!
 * @brief Resizes memory in the object's memory pool to the specified size.
 *
 * If the pointer is NULL, this is equivalent to allocating memory.
 * If the size is 0, this is equivalent to freeing memory.
 *
 * @param pointer A pointer to the already allocated memory

	instanceSize = class_getInstanceSize(class);

	if OF_UNLIKELY (extraAlignment > 1)
		extraAlignment = ((instanceSize + extraAlignment - 1) &
		    ~(extraAlignment - 1)) - extraAlignment;

	instance = malloc(PRE_IVARS_ALIGN + instanceSize +
	instance = calloc(1, PRE_IVARS_ALIGN + instanceSize +
	    extraAlignment + extraSize);

	if OF_UNLIKELY (instance == nil) {
		allocFailedException.isa = [OFAllocFailedException class];
		@throw (id)&allocFailedException;
	}

	((struct pre_ivar *)instance)->retainCount = 1;
	((struct pre_ivar *)instance)->firstMem = NULL;
	((struct pre_ivar *)instance)->lastMem = NULL;

#if !defined(OF_HAVE_ATOMIC_OPS) && defined(OF_HAVE_THREADS)
	if OF_UNLIKELY (!of_spinlock_new(
	    &((struct pre_ivar *)instance)->retainCountSpinlock)) {
		free(instance);
		@throw [OFInitializationFailedException
		    exceptionWithClass: class];
	}
#endif

	instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN);

	memset(instance, 0, instanceSize);

	if (!objc_constructInstance(class, instance)) {
		free((char *)instance - PRE_IVARS_ALIGN);
		@throw [OFInitializationFailedException
		    exceptionWithClass: class];
	}

	if OF_UNLIKELY (extra != NULL)

	if OF_UNLIKELY (size > SIZE_MAX - PRE_IVARS_ALIGN)
		@throw [OFOutOfRangeException exception];

	if OF_UNLIKELY ((pointer = malloc(PRE_MEM_ALIGN + size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];
	preMem = pointer;

	preMem = pointer;
	preMem->owner = self;
	preMem->prev = PRE_IVARS->lastMem;
	preMem->next = NULL;

	if OF_LIKELY (PRE_IVARS->lastMem != NULL)
		PRE_IVARS->lastMem->next = preMem;

	if OF_UNLIKELY (PRE_IVARS->firstMem == NULL)
		PRE_IVARS->firstMem = preMem;

	PRE_IVARS->lastMem = preMem;

	return (char *)pointer + PRE_MEM_ALIGN;
}

- (void *)allocMemoryWithSize: (size_t)size
			count: (size_t)count
{
	if OF_UNLIKELY (count > SIZE_MAX / size)
		@throw [OFOutOfRangeException exception];

	return [self allocMemoryWithSize: size * count];
}

- (void *)allocZeroedMemoryWithSize: (size_t)size
{
	void *pointer;
	struct pre_mem *preMem;

	if OF_UNLIKELY (size == 0)
		return NULL;

	if OF_UNLIKELY (size > SIZE_MAX - PRE_IVARS_ALIGN)
		@throw [OFOutOfRangeException exception];

	if OF_UNLIKELY ((pointer = calloc(1, PRE_MEM_ALIGN + size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	preMem = pointer;
	preMem->owner = self;
	preMem->prev = PRE_IVARS->lastMem;

	if OF_LIKELY (PRE_IVARS->lastMem != NULL)
		PRE_IVARS->lastMem->next = preMem;

	if OF_UNLIKELY (PRE_IVARS->firstMem == NULL)
		PRE_IVARS->firstMem = preMem;

	PRE_IVARS->lastMem = preMem;

	return (char *)pointer + PRE_MEM_ALIGN;
}

- (void *)allocZeroedMemoryWithSize: (size_t)size
			      count: (size_t)count
{
	if OF_UNLIKELY (count > SIZE_MAX / size)
		@throw [OFOutOfRangeException exception];

	return [self allocZeroedMemoryWithSize: size * count];
}

- (void *)resizeMemory: (void *)pointer
		  size: (size_t)size
{
	void *new;
	struct pre_mem *preMem;

	struct page *lastPage;
#endif

	if ((page = malloc(sizeof(*page))) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: sizeof(*page)];

	if ((page->map = malloc(mapSize)) == NULL)
	if ((page->map = calloc(1, mapSize)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: mapSize];

	of_explicit_memset(page->map, 0, mapSize);

	page->page = mapPages(1);
	of_explicit_memset(page->page, 0, pageSize);

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	lastPage = of_tlskey_get(lastPageKey);
#endif

		OBJC_ERROR("Cannot unlock spinlock!");
#endif
}

void
objc_exception_throw(id object)
{
	struct objc_exception *e = malloc(sizeof(*e));
	struct objc_exception *e = calloc(1, sizeof(*e));
	bool emergency = false;

	if (e == NULL) {
#ifdef OF_HAVE_THREADS
		if (!of_spinlock_lock(&emergency_exceptions_spinlock))
			OBJC_ERROR("Cannot lock spinlock!");
#endif

			OBJC_ERROR("Cannot lock spinlock!");
#endif
	}

	if (e == NULL)
		OBJC_ERROR("Not enough memory to allocate exception!")

	memset(e, 0, sizeof(*e));
	e->exception.class = GNUCOBJC_EXCEPTION_CLASS;
	e->exception.cleanup = (emergency ? cleanup_emergency : cleanup);
	e->object = object;

	if (_Unwind_RaiseException(&e->exception) == _URC_END_OF_STACK &&
	    uncaught_exception_handler != NULL)
		uncaught_exception_handler(object);