#pragma once

/** helper class to iterate all free clusters of the Filesystem */
class FreeClusterIterator {

	FS& fs;
	ClusterNr cur;

public:

	FreeClusterIterator(FS& fs) : fs(fs), cur(2) {

	}

	/** get the next free cluster that is available */
	ClusterNr next() {

		while(true) {
			const ClusterNr tmp = fs.getNextCluster(cur);
			if (tmp.isFree()) {return cur;}
			++cur;
		}

	}

};