internal static FatFile Get(Fat fat, FatDirectoryEntry entry)
{
if (entry.IsDirectory())
{
throw new ArgumentException(entry + " is a directory");
}
var cc = new ClusterChain(
fat, entry.GetStartCluster(), entry.IsReadonlyFlag());
if (entry.GetLength() > cc.GetLengthOnDisk())
{
throw new IOException(
"entry is larger than associated cluster chain");
}
return(new FatFile(entry, cc));
}
/// <summary>
/// Returns the length of this file in bytes. This is the length that
/// is stored in the directory entry that is associated with this file.
/// </summary>
/// <returns>long the length that is recorded for this file</returns>
public long GetLength()
{
CheckValid();
return(entry.GetLength());
}