ObjFW  Diff

	state->state = count;
	state->itemsPtr = [array cArray];
	state->mutationsPtr = (unsigned long*)self;

	return count;
}

- (OFEnumerator*)enumerator
{
	return [[[OFArrayEnumerator alloc]
	    initWithDataArray: array
	     mutationsPointer: NULL] autorelease];
}

- (void)dealloc
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	for (i = 0; i < count; i++)
		[objs[i] release];

	[array release];

	[super dealloc];
}
@end

@implementation OFArrayEnumerator
- initWithDataArray: (OFDataArray*)array_
   mutationsPointer: (unsigned long*)mutations_ptr_;
{
	self = [super init];

	array = array_;
	count = [array_ count];
	mutations = *mutations_ptr_;
	mutations_ptr = mutations_ptr_;

	return self;
}

- (id)nextObject
{
	if (mutations_ptr != NULL && *mutations_ptr != mutations)
		@throw [OFEnumerationMutationException newWithClass: isa];

	if (pos < count)
		return *(OFObject**)[array itemAtIndex: pos++];

	return nil;
}

- reset
{
	if (mutations_ptr != NULL && *mutations_ptr != mutations)
		@throw [OFEnumerationMutationException newWithClass: isa];

	pos = 0;

	return self;
}
@end