public PartitionTableEntry(byte[] buffer, int offset)
{
Status = buffer[offset + 0x00];
FirstSectorCHS = new CHSAddress(buffer, offset + 0x01);
PartitionType = buffer[offset + 0x04];
LastSectorCHS = new CHSAddress(buffer, offset + 0x05);
FirstSectorLBA = LittleEndianConverter.ToUInt32(buffer, offset + 0x08);
SectorCountLBA = LittleEndianConverter.ToUInt32(buffer, offset + 0x0C);
}
// tracksPerCylinder a.k.a. heads per cylinder
public static CHSAddress FromLBA(ulong lba, IDiskGeometry disk)
{
CHSAddress chs = new CHSAddress();
chs.Cylinder = (ushort)(lba / (ulong)(disk.SectorsPerTrack * disk.TracksPerCylinder));
chs.Head = (byte)((lba / (ulong)disk.SectorsPerTrack) % (ulong)disk.TracksPerCylinder);
chs.Sector = (byte)(lba % (ulong)disk.SectorsPerTrack + 1);
return(chs);
}
public static void ExtendMBRPartition(MBRPartition partition, long numberOfAdditionalExtentSectors)
{
Disk disk = partition.Disk;
MasterBootRecord mbr = MasterBootRecord.ReadFromDisk(disk);
for (int index = 0; index < mbr.PartitionTable.Length; index++)
{
if (mbr.PartitionTable[index].FirstSectorLBA == partition.FirstSector)
{
mbr.PartitionTable[index].SectorCountLBA += (uint)numberOfAdditionalExtentSectors;
ulong lastSectorLBA = mbr.PartitionTable[index].LastSectorLBA;
mbr.PartitionTable[index].LastSectorCHS = CHSAddress.FromLBA(lastSectorLBA, disk);
break;
}
}
MasterBootRecord.WriteToDisk(disk, mbr);
}
public PartitionTableEntry()
{
FirstSectorCHS = new CHSAddress();
LastSectorCHS = new CHSAddress();
}
