public int ReadFrom(byte[] buffer, int offset)
{
Mode = Utilities.ToUInt16LittleEndian(buffer, offset + 0);
UserIdLow = Utilities.ToUInt16LittleEndian(buffer, offset + 2);
FileSize = Utilities.ToUInt32LittleEndian(buffer, offset + 4);
AccessTime = Utilities.ToUInt32LittleEndian(buffer, offset + 8);
CreationTime = Utilities.ToUInt32LittleEndian(buffer, offset + 12);
ModificationTime = Utilities.ToUInt32LittleEndian(buffer, offset + 16);
DeletionTime = Utilities.ToUInt32LittleEndian(buffer, offset + 20);
GroupIdLow = Utilities.ToUInt16LittleEndian(buffer, offset + 24);
LinksCount = Utilities.ToUInt16LittleEndian(buffer, offset + 26);
BlocksCount = Utilities.ToUInt32LittleEndian(buffer, offset + 28);
Flags = (InodeFlags)Utilities.ToUInt32LittleEndian(buffer, offset + 32);
FastSymlink = null;
Extents = null;
DirectBlocks = null;
if (FileType == UnixFileType.Link && BlocksCount == 0)
{
FastSymlink = new byte[60];
Array.Copy(buffer, offset + 40, FastSymlink, 0, 60);
}
else if ((Flags & InodeFlags.ExtentsUsed) != 0)
{
Extents = Utilities.ToStruct <ExtentBlock>(buffer, offset + 40);
}
else
{
DirectBlocks = new uint[12];
for (int i = 0; i < 12; ++i)
{
DirectBlocks[i] = Utilities.ToUInt32LittleEndian(buffer, offset + 40 + i * 4);
}
IndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 88);
DoubleIndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 92);
TripleIndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 96);
}
FileVersion = Utilities.ToUInt32LittleEndian(buffer, offset + 100);
FileAcl = Utilities.ToUInt32LittleEndian(buffer, offset + 104);
DirAcl = Utilities.ToUInt32LittleEndian(buffer, offset + 108);
FragAddress = Utilities.ToUInt32LittleEndian(buffer, offset + 112);
Fragment = buffer[offset + 116];
FragmentSize = buffer[offset + 117];
UserIdHigh = Utilities.ToUInt16LittleEndian(buffer, offset + 120);
GroupIdHigh = Utilities.ToUInt16LittleEndian(buffer, offset + 122);
return(128);
}
public int ReadFrom(byte[] buffer, int offset)
{
Mode = Utilities.ToUInt16LittleEndian(buffer, offset + 0);
UserIdLow = Utilities.ToUInt16LittleEndian(buffer, offset + 2);
FileSize = Utilities.ToUInt32LittleEndian(buffer, offset + 4);
AccessTime = Utilities.ToUInt32LittleEndian(buffer, offset + 8);
CreationTime = Utilities.ToUInt32LittleEndian(buffer, offset + 12);
ModificationTime = Utilities.ToUInt32LittleEndian(buffer, offset + 16);
DeletionTime = Utilities.ToUInt32LittleEndian(buffer, offset + 20);
GroupIdLow = Utilities.ToUInt16LittleEndian(buffer, offset + 24);
LinksCount = Utilities.ToUInt16LittleEndian(buffer, offset + 26);
BlocksCount = Utilities.ToUInt32LittleEndian(buffer, offset + 28);
Flags = (InodeFlags)Utilities.ToUInt32LittleEndian(buffer, offset + 32);
FastSymlink = null;
Extents = null;
DirectBlocks = null;
if (FileType == UnixFileType.Link && BlocksCount == 0)
{
FastSymlink = new byte[60];
Array.Copy(buffer, offset + 40, FastSymlink, 0, 60);
}
else if ((Flags & InodeFlags.ExtentsUsed) != 0)
{
Extents = Utilities.ToStruct<ExtentBlock>(buffer, offset + 40);
}
else
{
DirectBlocks = new uint[12];
for (int i = 0; i < 12; ++i)
{
DirectBlocks[i] = Utilities.ToUInt32LittleEndian(buffer, offset + 40 + (i * 4));
}
IndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 88);
DoubleIndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 92);
TripleIndirectBlock = Utilities.ToUInt32LittleEndian(buffer, offset + 96);
}
FileVersion = Utilities.ToUInt32LittleEndian(buffer, offset + 100);
FileAcl = Utilities.ToUInt32LittleEndian(buffer, offset + 104);
DirAcl = Utilities.ToUInt32LittleEndian(buffer, offset + 108);
FragAddress = Utilities.ToUInt32LittleEndian(buffer, offset + 112);
Fragment = buffer[offset + 116];
FragmentSize = buffer[offset + 117];
UserIdHigh = Utilities.ToUInt16LittleEndian(buffer, offset + 120);
GroupIdHigh = Utilities.ToUInt16LittleEndian(buffer, offset + 122);
return 128;
}
inode MakeInode(InodeMode Mode, uint Blocks, long Size = 0, long SizeCompressed = 0, ushort Nlink = 1, uint Number = 0, InodeFlags Flags = 0)
{
inode ret;
if (properties.Sign)
{
ret = new DinodeS32()
{
Mode = Mode,
Blocks = Blocks,
Size = Size,
SizeCompressed = SizeCompressed,
Nlink = Nlink,
Number = Number,
Flags = Flags | InodeFlags.unk2 | InodeFlags.unk3,
};
}
else
{
ret = new DinodeD32()
{
Mode = Mode,
Blocks = Blocks,
Size = Size,
SizeCompressed = SizeCompressed,
Nlink = Nlink,
Number = Number,
Flags = Flags
};
}
ret.SetTime(properties.FileTime);
return(ret);
}
