private FSBlock GetBlockToEdit()
{
FSBlock ret = _StartBlock;
while (ret.NextBlock != 0)
{
ret = FSBlock.Read(_StartBlock.Partition, _StartBlock.NextBlock);
}
if (ret.BlockNumber == _StartBlock.BlockNumber)
{
ret = FSBlock.GetFreeBlock(part);
ret.Used = true;
ret.ContentSize = 0;
ret.NextBlock = 0;
_StartBlock.NextBlock = ret.BlockNumber;
FSBlock.Write(part, _StartBlock);
FSBlock.Write(part, ret);
}
if (part.NewBlockArray(1).Length - ret.ContentSize < 12)
{
FSBlock b = FSBlock.GetFreeBlock(part);
if (b == null)
{
return(null);
}
ret.NextBlock = b.BlockNumber;
FSBlock.Write(part, ret);
b.Used = true;
ret = b;
}
return(ret);
}
public void WriteAllBytes(Byte[] Data)
{
if (_StartBlock.NextBlock != 0)
{
FileSystem.ClearBlocks(_StartBlock);
_StartBlock.NextBlock = 0;
FSBlock.Write(FileSystem.mFS.Partition, _StartBlock);
}
int index = 0;
FSBlock curb = FSBlock.GetFreeBlock(FileSystem.mFS.Partition);
_StartBlock.NextBlock = curb.BlockNumber;
FSBlock.Write(part, _StartBlock);
do
{
Byte[] arr = new Byte[FSBlock.MaxBlockContentSize];
index = Utils.CopyByteToByte(Data, index, arr, 0, arr.Length);
curb.Used = true;
curb.Content = arr;
if (index != Data.Length)
{
FSBlock b = FSBlock.GetFreeBlock(FileSystem.mFS.Partition);
curb.NextBlock = b.BlockNumber;
curb.ContentSize = (uint)arr.Length;
FSBlock.Write(FileSystem.mFS.Partition, curb);
curb = b;
}
else
{
curb.ContentSize = (uint)(Data.Length % arr.Length);
FSBlock.Write(FileSystem.mFS.Partition, curb);
}
}while(index != Data.Length);
EditEntryInfo(EntryInfoPosition.DateTimeModified, Environment.DateTime.Now.TimeStamp);
EditEntryInfo(EntryInfoPosition.DateTimeLastAccess, Environment.DateTime.Now.TimeStamp);
}
protected static FSBlock CreateEntry(Partition p, String name)
{
return(CreateEntry(p, FSBlock.GetFreeBlock(p), name));
}
