ObjFW  Diff

{
	char *buffer = NULL;
	uintmax_t size;

	@try {
		OFFile *file;

		size = [[[OFFileManager defaultManager]
		    attributesOfItemAtPath: path] fileSize];

# if UINTMAX_MAX > SIZE_MAX
		if (size > SIZE_MAX)
			@throw [OFOutOfRangeException exception];
# endif

		if ((buffer = malloc((size_t)size)) == NULL)

		_itemSize = 1;
		_count = 0;

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

		while (![stream isAtEndOfStream]) {
			size_t length = [stream readIntoBuffer: buffer
							length: pageSize];

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

			_items = [self resizeMemory: _items

	bool mutable = [self isKindOfClass: [OFMutableData class]];

	if (!mutable) {
		[self release];
		self = [OFMutableData alloc];
	}

	self = [(OFMutableData *)self initWithCapacity: [string length] / 3];

	@try {
		if (!of_base64_decode((OFMutableData *)self,
		    [string cStringWithEncoding: OF_STRING_ENCODING_ASCII],
		    [string cStringLengthWithEncoding:
		    OF_STRING_ENCODING_ASCII]))
			@throw [OFInvalidFormatException exception];

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	void *pool = objc_autoreleasePoolPush();
	OFString *stringValue;

	@try {
		if (![[element name] isEqual: [self className]] ||
		    ![[element namespace] isEqual: OF_SERIALIZATION_NS])
			@throw [OFInvalidArgumentException exception];

		stringValue = [element stringValue];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	self = [self initWithBase64EncodedString: stringValue];

		return true;

	if (![object isKindOfClass: [OFData class]])
		return false;

	data = object;

	if ([data count] != _count || [data itemSize] != _itemSize)
		return false;
	if (memcmp([data items], _items, _count * _itemSize) != 0)
		return false;

	return true;
}

- (of_comparison_result_t)compare: (id <OFComparing>)object
{
	OFData *data;
	int comparison;
	size_t count, minCount;

	if (![(id)object isKindOfClass: [OFData class]])
		@throw [OFInvalidArgumentException exception];

	data = (OFData *)object;

	if ([data itemSize] != _itemSize)
		@throw [OFInvalidArgumentException exception];

	count = [data count];
	minCount = (_count > count ? count : _count);

	if ((comparison = memcmp(_items, [data items],
	    minCount * _itemSize)) == 0) {
		if (_count > count)
			return OF_ORDERED_DESCENDING;
		if (_count < count)
			return OF_ORDERED_ASCENDING;

		return OF_ORDERED_SAME;

	const char *search;
	size_t searchLength;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

	if (data == nil || [data itemSize] != _itemSize)
		@throw [OFInvalidArgumentException exception];

	if ((searchLength = [data count]) == 0)
		return of_range(0, 0);

	if (searchLength > range.length)
		return of_range(OF_NOT_FOUND, 0);

	search = [data items];

	if (options & OF_DATA_SEARCH_BACKWARDS) {
		for (size_t i = range.length - searchLength;; i--) {
			if (memcmp(_items + i * _itemSize, search,
			    searchLength * _itemSize) == 0)
				return of_range(i, searchLength);

	OFXMLElement *element;

	if (_itemSize != 1)
		@throw [OFInvalidArgumentException exception];

	pool = objc_autoreleasePoolPush();
	element = [OFXMLElement
	    elementWithName: [self className]
		  namespace: OF_SERIALIZATION_NS
		stringValue: of_base64_encode(_items, _count * _itemSize)];

	[element retain];

	objc_autoreleasePoolPop(pool);