private long GetNextCluster(long currentCluster)
{
if (Deleted)
{
// Just try reading contiguous blocks until we run out of space.
// When a file is deleted in FAT, its entries are removed from
// the allocation table. This code allows us to recover contiguous
// deleted files.
return(currentCluster + 1);
}
else
{
return(FileSystem.GetNextCluster(currentCluster));
}
}
public FileFAT(FileSystemFAT fileSystem, long firstCluster)
{
FileSystem = fileSystem;
FirstCluster = firstCluster;
Name = Util.GetRandomString(8);
Path = PathUtils.Combine(FileSystem.Store.DeviceID, "?", Name);
long currentCluster = FirstCluster;
_length = 0;
while (currentCluster >= 0)
{
// Note: This won't correctly calculate the length of a deleted file.
currentCluster = FileSystem.GetNextCluster(currentCluster);
_length += FileSystem.BytesPerCluster;
}
Attributes = new FileAttributesFAT();
Deleted = true;
}
