private void EraseBlocks(IEnumerable <int> blocks)
{
var zeroBuffer = new byte[storage.BlockSize];
foreach (var blockId in blocks)
{
storage.WriteBlock(blockId, zeroBuffer);
}
}
private FSHeader CreateFile()
{
var buffer = new byte[512];
var fsHeader = new FSHeader
{
AllocationBlock = AllocationBlockId,
RootDirectoryBlock = RootDirectoryBlockId,
FreeBlockCount = 0
};
storage.WriteBlock(0, new[] { fsHeader });
storage.WriteBlock(1, buffer);
buffer[0] = RootDirectoryDataBlockId;
storage.WriteBlock(2, buffer);
var fsRoot = new DirectoryHeader
{
FirstEmptyItemOffset = 1,
ItemsCount = 0,
LastNameOffset = 0,
NameBlockIndex = NameBlockIndex,
ParentDirectoryBlockIndex = RootDirectoryBlockId
};
storage.WriteBlock(RootDirectoryDataBlockId, new[] { new DirectoryHeaderRoot {
Header = fsRoot
} });
buffer[0] = 0;
storage.WriteBlock(NameBlockIndex, buffer);
return(fsHeader);
}