ObjFW  Diff

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

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

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

		_itemSize = itemSize;
		_capacity = capacity;
	} @catch (id e) {

	  capacity: (size_t)capacity
{
	self = [super init];

	@try {
		size_t size, lastPageByte;

		if (itemSize == 0) {
			[self release];
			@throw [OFInvalidArgumentException exception];
		}

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

		lastPageByte = [OFSystemInfo pageSize] - 1;
		size = (capacity * itemSize + lastPageByte) & ~lastPageByte;