internal ClusterStream(FatFileSystem fileSystem, FileAccess access, uint firstCluster, uint length)
{
_access = access;
_reader = fileSystem.ClusterReader;
_fat = fileSystem.Fat;
_length = length;
_knownClusters = new List<uint>();
if (firstCluster != 0)
{
_knownClusters.Add(firstCluster);
}
else
{
_knownClusters.Add(FatBuffer.EndOfChain);
}
if (_length == uint.MaxValue)
{
_length = DetectLength();
}
_currentCluster = uint.MaxValue;
_clusterBuffer = new byte[_reader.ClusterSize];
}
internal ClusterStream(FatFileSystem fileSystem, FileAccess access, uint firstCluster, uint length)
{
_access = access;
_reader = fileSystem.ClusterReader;
_fat = fileSystem.Fat;
_length = length;
_knownClusters = new List <uint>();
if (firstCluster != 0)
{
_knownClusters.Add(firstCluster);
}
else
{
_knownClusters.Add(FatBuffer.EndOfChain);
}
if (_length == uint.MaxValue)
{
_length = DetectLength();
}
_currentCluster = uint.MaxValue;
_clusterBuffer = new byte[_reader.ClusterSize];
}
private void LoadClusterReader()
{
int rootDirSectors = ((_bpbRootEntCnt * 32) + (_bpbBytesPerSec - 1)) / _bpbBytesPerSec;
int firstDataSector = (int)(_bpbRsvdSecCnt + (_bpbNumFATs * FatSize) + rootDirSectors);
_clusterReader = new ClusterReader(_data, firstDataSector, _bpbSecPerClus, _bpbBytesPerSec);
}