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// 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.
using Microsoft.Win32.SafeHandles;
using System;
using System.Runtime.InteropServices;
internal partial class Interop
{
internal partial class mincore
{
[DllImport(Libraries.CoreFile_L1, SetLastError = true)]
internal static extern bool SetFileInformationByHandle(SafeFileHandle hFile, FILE_INFO_BY_HANDLE_CLASS FileInformationClass, ref FILE_BASIC_INFO lpFileInformation, uint dwBufferSize);
// Default values indicate "no change". Use defaults so that we don't force callsites to be aware of the default values
internal unsafe static bool SetFileTime(
SafeFileHandle hFile,
long creationTime = -1,
long lastAccessTime = -1,
long lastWriteTime = -1,
long changeTime = -1,
uint fileAttributes = 0)
{
FILE_BASIC_INFO basicInfo = new FILE_BASIC_INFO()
{
CreationTime = creationTime,
LastAccessTime = lastAccessTime,
LastWriteTime = lastWriteTime,
ChangeTime = changeTime,
FileAttributes = fileAttributes
};
return SetFileInformationByHandle(hFile, FILE_INFO_BY_HANDLE_CLASS.FileBasicInfo, ref basicInfo, (uint)Marshal.SizeOf<FILE_BASIC_INFO>());
}
internal struct FILE_BASIC_INFO
{
internal long CreationTime;
internal long LastAccessTime;
internal long LastWriteTime;
internal long ChangeTime;
internal uint FileAttributes;
}
internal enum FILE_INFO_BY_HANDLE_CLASS : uint
{
FileBasicInfo = 0x0u,
FileStandardInfo = 0x1u,
FileNameInfo = 0x2u,
FileRenameInfo = 0x3u,
FileDispositionInfo = 0x4u,
FileAllocationInfo = 0x5u,
FileEndOfFileInfo = 0x6u,
FileStreamInfo = 0x7u,
FileCompressionInfo = 0x8u,
FileAttributeTagInfo = 0x9u,
FileIdBothDirectoryInfo = 0xAu,
FileIdBothDirectoryRestartInfo = 0xBu,
FileIoPriorityHintInfo = 0xCu,
FileRemoteProtocolInfo = 0xDu,
FileFullDirectoryInfo = 0xEu,
FileFullDirectoryRestartInfo = 0xFu,
FileStorageInfo = 0x10u,
FileAlignmentInfo = 0x11u,
FileIdInfo = 0x12u,
FileIdExtdDirectoryInfo = 0x13u,
FileIdExtdDirectoryRestartInfo = 0x14u,
MaximumFileInfoByHandleClass = 0x15u,
}
}
}
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