public static ulong GetFileInodeNumber(this FileInfo fileInfo)
{
if (fileInfo == null)
{
throw new ArgumentNullException("fileInfo");
}
return(EnvironmentHelper.RunningOnUnix ?
PosixHelper.GetFileInodeNum(fileInfo)
: WinAPIHelper.GetFileSystemIdFor(fileInfo));
}
public static ulong GetFileInodeNumber(this FileStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
return(EnvironmentHelper.RunningOnUnix ?
PosixHelper.GetFileInodeNum(stream)
: WinAPIHelper.GetFileSystemIdFor(stream));
}
public static ulong GetFileSystemIdFor(FileStream fs)
{
if (fs == null)
{
throw new ArgumentNullException("fs");
}
//if (fs.Handle <= 0) throw new ArgumentException("file stream should have an associated handle");
var objectFileInfo = new WinAPIHelper.BY_HANDLE_FILE_INFORMATION();
#pragma warning disable CS0618 // Type or member is obsolete
WinAPIHelper.GetFileInformationByHandle(fs.Handle, out objectFileInfo); // FIXME: Avoid using deprecated handle property.
#pragma warning restore CS0618 // Type or member is obsolete
var fileIndex = ((ulong)objectFileInfo.FileIndexHigh << 32) + (ulong)objectFileInfo.FileIndexLow;
return(fileIndex);
}
