private IEnumerable <IPartition> GetHddPartitions(byte[] mbr, int additionalOffset = 0)
{
int partitonOffset = 0x1be;
_extendedAreaAddress = 0;
for (int i = 0; i < 4; i++, partitonOffset += 0x10)
{
var info = new PartitionInfo();
info.HddNumber = _number;
info.Extended = additionalOffset != 0;
int id = mbr.AsByte(partitonOffset + 4);
if (id == 0)
{
break;
}
info.Active = mbr.AsByte(partitonOffset + 0) != 0;
int startAddress = mbr.AsInt32(partitonOffset + 8);
if ((id == 5) || (id == 15))
{
_extendedAreaAddress = startAddress;
continue;
}
int sizeInSectors = mbr.AsInt32(partitonOffset + 12);
info.Size = sizeInSectors / 2048 * _sectorSize / 512;
info.FreeSpace = -1;
int absoluteAddress = startAddress + additionalOffset;
info.SerialNumber = GetDiskSn(absoluteAddress, id);
info.Letter = GetDiskLetter(info.SerialNumber);
info.Address = absoluteAddress;
if (info.Letter == '?')
{
// disks.Add(new UnknownDisk(info));
info.FileSystem = FileSystemType.Unknown;
}
switch (id)
{
case 0x01:
case 0x04:
case 0x06:
case 0x0E:
{
// disks.Add(new Fat16Disk(info));
info.FileSystem = FileSystemType.Fat16;
break;
}
case 0x07:
case 0x17:
{
// disks.Add(new NtfsDisk(info));
info.FileSystem = FileSystemType.Ntfs;
break;
}
case 0x0B:
case 0x0C:
case 0x1B:
case 0x1C:
case 0x8B:
case 0x8C:
{
// disks.Add(new Fat32Disk(info));
info.FileSystem = FileSystemType.Fat32;
break;
}
default:
{
// disks.Add(new UnknownDisk(info));
info.FileSystem = FileSystemType.Unknown;
break;
}
}
var partitionFactory = new PartitionFactory(info);
yield return(partitionFactory.Partition);
}
yield break;
}
private IEnumerable<IPartition> GetHddPartitions(byte[] mbr, int additionalOffset = 0)
{
int partitonOffset = 0x1be;
_extendedAreaAddress = 0;
for (int i = 0; i < 4; i++, partitonOffset += 0x10)
{
var info = new PartitionInfo();
info.HddNumber = _number;
info.Extended = additionalOffset != 0;
int id = mbr.AsByte(partitonOffset + 4);
if (id == 0)
{
break;
}
info.Active = mbr.AsByte(partitonOffset + 0) != 0;
int startAddress = mbr.AsInt32(partitonOffset + 8);
if ((id == 5) || (id == 15))
{
_extendedAreaAddress = startAddress;
continue;
}
int sizeInSectors = mbr.AsInt32(partitonOffset + 12);
info.Size = sizeInSectors / 2048 * _sectorSize / 512;
info.FreeSpace = -1;
int absoluteAddress = startAddress + additionalOffset;
info.SerialNumber = GetDiskSn(absoluteAddress, id);
info.Letter = GetDiskLetter(info.SerialNumber);
info.Address = absoluteAddress;
if (info.Letter == '?')
{
// disks.Add(new UnknownDisk(info));
info.FileSystem = FileSystemType.Unknown;
}
switch (id)
{
case 0x01:
case 0x04:
case 0x06:
case 0x0E:
{
// disks.Add(new Fat16Disk(info));
info.FileSystem = FileSystemType.Fat16;
break;
}
case 0x07:
case 0x17:
{
// disks.Add(new NtfsDisk(info));
info.FileSystem = FileSystemType.Ntfs;
break;
}
case 0x0B:
case 0x0C:
case 0x1B:
case 0x1C:
case 0x8B:
case 0x8C:
{
// disks.Add(new Fat32Disk(info));
info.FileSystem = FileSystemType.Fat32;
break;
}
default:
{
// disks.Add(new UnknownDisk(info));
info.FileSystem = FileSystemType.Unknown;
break;
}
}
var partitionFactory = new PartitionFactory(info);
yield return partitionFactory.Partition;
}
yield break;
}
