public int ReadFrom(byte[] buffer, int offset)
{
Header = Utilities.ToStruct<ExtentHeader>(buffer, offset + 0);
if (Header.Magic != ExtentHeader.HeaderMagic)
{
throw new IOException("Invalid extent header reading inode");
}
if (Header.Depth == 0)
{
Index = null;
Extents = new Extent[Header.Entries];
for (int i = 0; i < Extents.Length; ++i)
{
Extents[i] = Utilities.ToStruct<Extent>(buffer, offset + 12 + (i * 12));
}
}
else
{
Extents = null;
Index = new ExtentIndex[Header.Entries];
for (int i = 0; i < Index.Length; ++i)
{
Index[i] = Utilities.ToStruct<ExtentIndex>(buffer, offset + 12 + (i * 12));
}
}
return 12 + (Header.MaxEntries * 12);
}
public int ReadFrom(byte[] buffer, int offset)
{
Header = Utilities.ToStruct <ExtentHeader>(buffer, offset + 0);
if (Header.Magic != ExtentHeader.HeaderMagic)
{
throw new IOException("Invalid extent header reading inode");
}
if (Header.Depth == 0)
{
Index = null;
Extents = new Extent[Header.Entries];
for (int i = 0; i < Extents.Length; ++i)
{
Extents[i] = Utilities.ToStruct <Extent>(buffer, offset + 12 + (i * 12));
}
}
else
{
Extents = null;
Index = new ExtentIndex[Header.Entries];
for (int i = 0; i < Index.Length; ++i)
{
Index[i] = Utilities.ToStruct <ExtentIndex>(buffer, offset + 12 + (i * 12));
}
}
return(12 + (Header.MaxEntries * 12));
}
