bcd52764ba
- PrintVulnLeakedHandlers wrapped in try/catch - removed commented out code in SearchHelper.cs - added check for empty config in YamlConfigHelper
82 lines
3.2 KiB
C#
82 lines
3.2 KiB
C#
/* Copyright (C) 2008-2018 Peter Palotas, Jeffrey Jangli, Alexandr Normuradov
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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using System;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Text;
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namespace Alphaleonis.Win32.Filesystem
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{
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public static partial class Volume
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{
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/// <summary>[AlphaFS] Retrieves the volume mount point where the specified path is mounted.</summary>
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/// <exception cref="ArgumentNullException"/>
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/// <param name="path">The path to the volume, for example: "C:\Windows".</param>
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/// <returns>
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/// <para>Returns the nearest volume root path for a given directory.</para>
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/// <para>The volume path name, for example: "C:\Windows" returns: "C:\".</para>
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/// </returns>
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[SecurityCritical]
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public static string GetVolumePathName(string path)
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{
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if (Utils.IsNullOrWhiteSpace(path))
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throw new ArgumentNullException("path");
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using (new NativeMethods.ChangeErrorMode(NativeMethods.ErrorMode.FailCriticalErrors))
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{
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var volumeRootPath = new StringBuilder(NativeMethods.MaxPathUnicode / 32);
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var pathLp = Path.GetFullPathCore(null, false, path, GetFullPathOptions.AsLongPath | GetFullPathOptions.FullCheck);
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// GetVolumePathName()
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// 2013-07-18: MSDN does not confirm LongPath usage but a Unicode version of this function exists.
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var success = NativeMethods.GetVolumePathName(pathLp, volumeRootPath, (uint) volumeRootPath.Capacity);
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var lastError = Marshal.GetLastWin32Error();
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if (success)
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return Path.GetRegularPathCore(volumeRootPath.ToString(), GetFullPathOptions.None, false);
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switch ((uint) lastError)
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{
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// Don't throw exception on these errors.
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case Win32Errors.ERROR_NO_MORE_FILES:
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case Win32Errors.ERROR_INVALID_PARAMETER:
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case Win32Errors.ERROR_INVALID_NAME:
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break;
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default:
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NativeError.ThrowException(lastError, path);
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break;
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}
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// Return original path.
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return path;
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}
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}
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}
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}
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