ObjFW  Check-in [1a70abc65d]

{
	self = [super init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_items = [self allocMemoryWithSize: itemSize
		_items = of_malloc(count, itemSize);
					     count: count];
		_itemSize = itemSize;
		_count = count;
		_freeWhenDone = true;

		memcpy(_items, items, count * itemSize);
	} @catch (id e) {
		[self release];
		@throw e;
	}

			    exceptionWithURL: URL];

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

		_itemSize = 1;
		_count = 0;
		_freeWhenDone = true;

		pageSize = [OFSystemInfo pageSize];
		buffer = of_malloc(1, pageSize);

		@try {
			while (!stream.atEndOfStream) {
				size_t length = [stream
				    readIntoBuffer: buffer
					    length: pageSize];

				if (SIZE_MAX - _count < length)
					@throw [OFOutOfRangeException
					    exception];

				_items = [self resizeMemory: _items
						       size: _count + length];
				_items = of_realloc(_items, _count + length, 1);
				memcpy(_items + _count, buffer, length);
				_count += length;
			}
		} @finally {
			free(buffer);
		}

		const char *cString;

		if (count % 2 != 0)
			@throw [OFInvalidFormatException exception];

		count /= 2;

		_items = [self allocMemoryWithSize: count];
		_items = of_malloc(count, 1);
		_itemSize = 1;
		_count = count;
		_freeWhenDone = true;

		cString = [string
		    cStringWithEncoding: OF_STRING_ENCODING_ASCII];

		for (size_t i = 0; i < count; i++) {
			uint8_t c1 = cString[2 * i];
			uint8_t c2 = cString[2 * i + 1];

}

- (instancetype)init
{
	self = [super init];

	_itemSize = 1;
	_freeWhenDone = true;

	return self;
}

- (instancetype)initWithItemSize: (size_t)itemSize
{
	self = [super init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_itemSize = itemSize;
		_freeWhenDone = true;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

{
	self = [super init];

	@try {
		if (itemSize == 0)
			@throw [OFInvalidArgumentException exception];

		_items = [self allocMemoryWithSize: itemSize
					     count: capacity];

		_items = of_malloc(capacity, itemSize);
		_itemSize = itemSize;
		_capacity = capacity;
		_freeWhenDone = true;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)addItem: (const void *)item
{
	if (SIZE_MAX - _count < 1)
		@throw [OFOutOfRangeException exception];

	if (_count + 1 > _capacity) {
		_items = [self resizeMemory: _items
		_items = of_realloc(_items, _count + 1, _itemSize);
				       size: _itemSize
				      count: _count + 1];
		_capacity = _count + 1;
	}

	memcpy(_items + _count * _itemSize, item, _itemSize);

	_count++;
}

- (void)addItems: (const void *)items
	   count: (size_t)count
{
	if (count > SIZE_MAX - _count)
		@throw [OFOutOfRangeException exception];

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_items = of_realloc(_items, _count + count, _itemSize);
		_capacity = _count + count;
	}

	memcpy(_items + _count * _itemSize, items, count * _itemSize);
	_count += count;
}

- (void)insertItems: (const void *)items
	    atIndex: (size_t)idx
	      count: (size_t)count
{
	if (count > SIZE_MAX - _count || idx > _count)
		@throw [OFOutOfRangeException exception];

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_items = of_realloc(_items, _count + count, _itemSize);
		_capacity = _count + count;
	}

	memmove(_items + (idx + count) * _itemSize, _items + idx * _itemSize,
	    (_count - idx) * _itemSize);
	memcpy(_items + idx * _itemSize, items, count * _itemSize);

	_count += count;
}

- (void)increaseCountBy: (size_t)count
{
	if (count > SIZE_MAX - _count)
		@throw [OFOutOfRangeException exception];

	if (_count + count > _capacity) {
		_items = [self resizeMemory: _items
				       size: _itemSize
				      count: _count + count];
		_items = of_realloc(_items, _count + count, _itemSize);
		_capacity = _count + count;
	}

	memset(_items + _count * _itemSize, '\0', count * _itemSize);
	_count += count;
}

	memmove(_items + range.location * _itemSize,
	    _items + (range.location + range.length) * _itemSize,
	    (_count - range.location - range.length) * _itemSize);

	_count -= range.length;
	@try {
		_items = [self resizeMemory: _items
		_items = of_realloc(_items, _count, _itemSize);;
				       size: _itemSize
				      count: _count];
		_capacity = _count;
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
	}
}

- (void)removeLastItem
{
	if (_count == 0)
		return;

	_count--;
	@try {
		_items = [self resizeMemory: _items
		_items = of_realloc(_items, _count, _itemSize);
				       size: _itemSize
				      count: _count];
		_capacity = _count;
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only made it smaller */
	}
}

- (void)removeAllItems
{
	[self freeMemory: _items];

	free(_items);
	_items = NULL;
	_count = 0;
	_capacity = 0;
}

- (id)copy
{

		size_t pageSize = [OFSystemInfo pageSize];
#endif

		if (count > SIZE_MAX / itemSize)
			@throw [OFOutOfRangeException exception];

		if (allowsSwappableMemory) {
			_items = [self allocMemoryWithSize: itemSize
						     count: count];
			_items = of_malloc(count, itemSize);
			_freeWhenDone = true;
			memset(_items, 0, count * itemSize);
#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
		} else if (count * itemSize >= pageSize)
			_items = mapPages(OF_ROUND_UP_POW2(pageSize,
			    count * itemSize) / pageSize);
		else {
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)