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52 lines
2.5 KiB
52 lines
2.5 KiB
/* Copyright (C) 2008-2016 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.Security;
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using Microsoft.Win32.SafeHandles;
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namespace Alphaleonis.Win32.Filesystem
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{
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/// <summary>Represents a wrapper class for a handle used by the FindFirstFile/FindNextFile Win32 API functions.</summary>
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[SecurityCritical]
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public sealed class SafeFindFileHandle : SafeHandleZeroOrMinusOneIsInvalid
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{
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/// <summary>Initializes a new instance of the <see cref="SafeFindFileHandle"/> class.</summary>
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private SafeFindFileHandle() : base(true)
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{
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}
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/// <summary>Initializes a new instance of the <see cref="SafeFindFileHandle"/> class.</summary>
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/// <param name="handle">The handle.</param>
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/// <param name="callerHandle"><see langword="true"/> [owns handle].</param>
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public SafeFindFileHandle(IntPtr handle, bool callerHandle) : base(callerHandle)
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{
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SetHandle(handle);
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}
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/// <summary>When overridden in a derived class, executes the code required to free the handle.</summary>
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/// <returns><see langword="true"/> if the handle is released successfully; otherwise, in the event of a catastrophic failure, <see langword="false"/>. In this case, it generates a ReleaseHandleFailed Managed Debugging Assistant.</returns>
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protected override bool ReleaseHandle()
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{
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return NativeMethods.FindClose(handle);
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}
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}
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}
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