ObjFW  Diff

		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithObjects: (id const *)objects
- (instancetype)initWithObjects: (id const *)objects count: (size_t)count
			  count: (size_t)count
{
	self = [self init];

	@try {
		for (size_t i = 0; i < count; i++)
			[self addObject: objects[i]];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithObject: (id)firstObject
- (instancetype)initWithObject: (id)firstObject arguments: (va_list)arguments
		     arguments: (va_list)arguments
{
	self = [self init];

	@try {
		id object;

		[self addObject: firstObject];

{
	self = [self init];

	@try {
		void *pool = objc_autoreleasePoolPush();

		if (![element.name isEqual: @"OFCountedSet"] ||
		    ![element.namespace isEqual: OF_SERIALIZATION_NS])
		    ![element.namespace isEqual: OFSerializationNS])
			@throw [OFInvalidArgumentException exception];

		for (OFXMLElement *objectElement in
		    [element elementsForName: @"object"
				   namespace: OF_SERIALIZATION_NS]) {
				   namespace: OFSerializationNS]) {
			void *pool2 = objc_autoreleasePoolPush();
			OFXMLElement *object;
			OFXMLAttribute *countAttribute;
			unsigned long long count;

			object = [objectElement elementsForNamespace:
			    OF_SERIALIZATION_NS].firstObject;
			    OFSerializationNS].firstObject;
			countAttribute =
			    [objectElement attributeForName: @"count"];

			if (object == nil || countAttribute == nil)
				@throw [OFInvalidFormatException exception];

			count = countAttribute.unsignedLongLongValue;

- (size_t)countForObject: (id)object
{
	return (size_t)(uintptr_t)[_mapTable objectForKey: object];
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsAndCountUsingBlock:
- (void)enumerateObjectsAndCountUsingBlock: (OFCountedSetEnumerationBlock)block
    (of_counted_set_enumeration_block_t)block
{
	@try {
		[_mapTable enumerateKeysAndObjectsUsingBlock:
		    ^ (void *key, void *object, bool *stop) {
			block(key, (size_t)(uintptr_t)object, stop);
		}];
	} @catch (OFEnumerationMutationException *e) {
		@throw [OFEnumerationMutationException
		    exceptionWithObject: self];
	}
}
#endif

- (void)addObject: (id)object
{
	size_t count = (size_t)(uintptr_t)[_mapTable objectForKey: object];

	if (SIZE_MAX - count < 1 || UINTPTR_MAX - count < 1)
		@throw [OFOutOfRangeException exception];

	[_mapTable setObject: (void *)(uintptr_t)(count + 1)
	[_mapTable setObject: (void *)(uintptr_t)(count + 1) forKey: object];
		      forKey: object];
}

- (void)removeObject: (id)object
{
	size_t count = (size_t)(uintptr_t)[_mapTable objectForKey: object];

	if (count == 0)
		return;

	count--;

	if (count > 0)
		[_mapTable setObject: (void *)(uintptr_t)count
		[_mapTable setObject: (void *)(uintptr_t)count forKey: object];
			      forKey: object];
	else
		[_mapTable removeObjectForKey: object];
}

- (void)removeAllObjects
{
	[_mapTable removeAllObjects];
}

- (void)makeImmutable
{
}
@end