Files
ESP8266lib/ext/sd/fat32/FreeClusterIterator.h

27 lines
393 B
C++

#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;
}
}
};