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-rw-r--r--src/mscorlib/src/System/IO/DriveInfo.cs281
1 files changed, 0 insertions, 281 deletions
diff --git a/src/mscorlib/src/System/IO/DriveInfo.cs b/src/mscorlib/src/System/IO/DriveInfo.cs
deleted file mode 100644
index be75e8979d..0000000000
--- a/src/mscorlib/src/System/IO/DriveInfo.cs
+++ /dev/null
@@ -1,281 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-/*============================================================
-**
-**
-**
-**
-**
-** Purpose: Exposes routines for exploring a drive.
-**
-**
-===========================================================*/
-
-using System;
-using System.Text;
-using System.Runtime.InteropServices;
-using Microsoft.Win32;
-using System.Security.Permissions;
-using System.Runtime.Serialization;
-using System.Runtime.Versioning;
-using System.Diagnostics.Contracts;
-
-namespace System.IO
-{
- // Matches Win32's DRIVE_XXX #defines from winbase.h
- [Serializable]
-[System.Runtime.InteropServices.ComVisible(true)]
- public enum DriveType
- {
- Unknown = 0,
- NoRootDirectory = 1,
- Removable = 2,
- Fixed = 3,
- Network = 4,
- CDRom = 5,
- Ram = 6
- }
-
- // Ideally we'll get a better security permission, but possibly
- // not for Whidbey.
-#if FEATURE_SERIALIZATION
- [Serializable]
-#endif
- [ComVisible(true)]
- public sealed class DriveInfo
-#if FEATURE_SERIALIZATION
- : ISerializable
-#endif
- {
- private String _name;
-
- private const String NameField = "_name"; // For serialization
-
- [System.Security.SecuritySafeCritical] // auto-generated
- public DriveInfo(String driveName)
- {
- if (driveName == null)
- throw new ArgumentNullException("driveName");
- Contract.EndContractBlock();
- if (driveName.Length == 1)
- _name = driveName + ":\\";
- else {
- // GetPathRoot does not check all invalid characters
- Path.CheckInvalidPathChars(driveName);
- _name = Path.GetPathRoot(driveName);
- // Disallow null or empty drive letters and UNC paths
- if (_name == null || _name.Length == 0 || _name.StartsWith("\\\\", StringComparison.Ordinal))
- throw new ArgumentException(Environment.GetResourceString("Arg_MustBeDriveLetterOrRootDir"));
- }
- // We want to normalize to have a trailing backslash so we don't have two equivalent forms and
- // because some Win32 API don't work without it.
- if (_name.Length == 2 && _name[1] == ':') {
- _name = _name + "\\";
- }
-
- // Now verify that the drive letter could be a real drive name.
- // On Windows this means it's between A and Z, ignoring case.
- // On a Unix platform, perhaps this should be a device name with
- // a partition like /dev/hdc0, or possibly a mount point.
- char letter = driveName[0];
- if (!((letter >= 'A' && letter <= 'Z') || (letter >= 'a' && letter <= 'z')))
- throw new ArgumentException(Environment.GetResourceString("Arg_MustBeDriveLetterOrRootDir"));
-
- // Now do a security check.
- String demandPath = _name + '.';
- new FileIOPermission(FileIOPermissionAccess.PathDiscovery, demandPath).Demand();
- }
-
- [System.Security.SecurityCritical] // auto-generated
- private DriveInfo(SerializationInfo info, StreamingContext context)
- {
- // Need to add in a security check here once it has been spec'ed.
- _name = (String) info.GetValue(NameField, typeof(String));
-
- // Now do a security check.
- String demandPath = _name + '.';
- new FileIOPermission(FileIOPermissionAccess.PathDiscovery, demandPath).Demand();
- }
-
- public String Name {
- get { return _name; }
- }
-
- public DriveType DriveType {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- // GetDriveType can't fail
- return (DriveType) Win32Native.GetDriveType(Name);
- }
- }
-
- public String DriveFormat {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- const int volNameLen = 50;
- StringBuilder volumeName = new StringBuilder(volNameLen);
- const int fileSystemNameLen = 50;
- StringBuilder fileSystemName = new StringBuilder(fileSystemNameLen);
- int serialNumber, maxFileNameLen, fileSystemFlags;
-
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.GetVolumeInformation(Name, volumeName, volNameLen, out serialNumber, out maxFileNameLen, out fileSystemFlags, fileSystemName, fileSystemNameLen);
- if (!r) {
- int errorCode = Marshal.GetLastWin32Error();
- __Error.WinIODriveError(Name, errorCode);
- }
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- return fileSystemName.ToString();
- }
- }
-
- public bool IsReady {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- return Directory.InternalExists(Name);
- }
- }
-
- public long AvailableFreeSpace {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- long userBytes, totalBytes, freeBytes;
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.GetDiskFreeSpaceEx(Name, out userBytes, out totalBytes, out freeBytes);
- if (!r)
- __Error.WinIODriveError(Name);
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- return userBytes;
- }
- }
-
- public long TotalFreeSpace {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- long userBytes, totalBytes, freeBytes;
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.GetDiskFreeSpaceEx(Name, out userBytes, out totalBytes, out freeBytes);
- if (!r)
- __Error.WinIODriveError(Name);
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- return freeBytes;
- }
- }
-
- public long TotalSize {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- // Don't cache this, to handle variable sized floppy drives
- // or other various removable media drives.
- long userBytes, totalBytes, freeBytes;
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.GetDiskFreeSpaceEx(Name, out userBytes, out totalBytes, out freeBytes);
- if (!r)
- __Error.WinIODriveError(Name);
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- return totalBytes;
- }
- }
-
- public static DriveInfo[] GetDrives()
- {
- // Directory.GetLogicalDrives demands unmanaged code permission
- String[] drives = Directory.GetLogicalDrives();
- DriveInfo[] di = new DriveInfo[drives.Length];
- for(int i=0; i<drives.Length; i++)
- di[i] = new DriveInfo(drives[i]);
- return di;
- }
-
- public DirectoryInfo RootDirectory {
- get {
- return new DirectoryInfo(Name);
- }
- }
-
- // Null is a valid volume label.
- public String VolumeLabel {
- [System.Security.SecuritySafeCritical] // auto-generated
- get {
- // NTFS uses a limit of 32 characters for the volume label,
- // as of Windows Server 2003.
- const int volNameLen = 50;
- StringBuilder volumeName = new StringBuilder(volNameLen);
- const int fileSystemNameLen = 50;
- StringBuilder fileSystemName = new StringBuilder(fileSystemNameLen);
- int serialNumber, maxFileNameLen, fileSystemFlags;
-
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.GetVolumeInformation(Name, volumeName, volNameLen, out serialNumber, out maxFileNameLen, out fileSystemFlags, fileSystemName, fileSystemNameLen);
- if (!r) {
- int errorCode = Marshal.GetLastWin32Error();
- // Win9x appears to return ERROR_INVALID_DATA when a
- // drive doesn't exist.
- if (errorCode == Win32Native.ERROR_INVALID_DATA)
- errorCode = Win32Native.ERROR_INVALID_DRIVE;
- __Error.WinIODriveError(Name, errorCode);
- }
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- return volumeName.ToString();
- }
- [System.Security.SecuritySafeCritical] // auto-generated
- set {
- String demandPath = _name + '.';
- new FileIOPermission(FileIOPermissionAccess.Write, demandPath).Demand();
-
- int oldMode = Win32Native.SetErrorMode(Win32Native.SEM_FAILCRITICALERRORS);
- try {
- bool r = Win32Native.SetVolumeLabel(Name, value);
- if (!r) {
- int errorCode = Marshal.GetLastWin32Error();
- // Provide better message
- if (errorCode == Win32Native.ERROR_ACCESS_DENIED)
- throw new UnauthorizedAccessException(Environment.GetResourceString("InvalidOperation_SetVolumeLabelFailed"));
- __Error.WinIODriveError(Name, errorCode);
- }
- }
- finally {
- Win32Native.SetErrorMode(oldMode);
- }
- }
- }
-
- public override String ToString()
- {
- return Name;
- }
-
-#if FEATURE_SERIALIZATION
- /// <internalonly/>
- [System.Security.SecurityCritical]
- void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
- {
- // No need for an additional security check - everything is public.
- info.AddValue(NameField, _name, typeof(String));
- }
-#endif
-
- }
-}
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