ObjFW  Diff

			      length: bufferLength
			 runLoopMode: runLoopMode];
}

- (void)of_cleanUpCache
{
	void *pool = objc_autoreleasePoolPush();
	OFTimeInterval now = [[OFDate date] timeIntervalSince1970];
	OFMutableArray *removeList;

	if (now - _lastCacheCleanup < 1)
		return;

	_lastCacheCleanup = now;
	removeList = [OFMutableArray arrayWithCapacity: _cache.count];