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chore: use CsWin32 for WriteAllBytesSafe()

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We should start converting more to it, as time goes on
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goat 2023-10-04 23:45:11 +02:00
parent 1d015c2ee0
commit 707bcd4d82
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3 changed files with 25 additions and 14 deletions
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3
Dalamud/Dalamud.csproj
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@ -70,6 +70,9 @@
<PackageReference Include="JetBrains.Annotations" Version="2021.2.0" />
<PackageReference Include="Lumina" Version="3.11.0" />
<PackageReference Include="Lumina.Excel" Version="6.5.0" />
<PackageReference Include="Microsoft.Windows.CsWin32" Version="0.3.46-beta">
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="MinSharp" Version="1.0.4" />
<PackageReference Include="MonoModReorg.RuntimeDetour" Version="23.1.2-prerelease.1" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.2" />

5
Dalamud/NativeMethods.txt Normal file
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@ -0,0 +1,5 @@
CreateFile
FILE_ACCESS_RIGHTS
MoveFileEx
FlushFileBuffers
WriteFile

31
Dalamud/Utility/Util.cs
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@ -1,4 +1,5 @@
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
@ -17,11 +18,10 @@ using Dalamud.Game.ClientState.Objects.Types;
using Dalamud.Interface.Colors;
using Dalamud.Interface.Utility;
using Dalamud.Logging.Internal;
using Dalamud.Memory;
using ImGuiNET;
using Lumina.Excel.GeneratedSheets;
using PInvoke;
using Serilog;
using Windows.Win32.Storage.FileSystem;
namespace Dalamud.Utility;
@ -640,36 +640,39 @@ public static class Util
/// </summary>
/// <param name="path">The path of the file to write to.</param>
/// <param name="bytes">The data to write.</param>
public static void WriteAllBytesSafe(string path, byte[] bytes)
public static unsafe void WriteAllBytesSafe(string path, byte[] bytes)
{
ArgumentException.ThrowIfNullOrEmpty(path);
// Open the temp file
var tempPath = path + ".tmp";
using var tempFile = Kernel32
.CreateFile(tempPath.AsSpan(),
new Kernel32.ACCESS_MASK(Kernel32.FileAccess.FILE_GENERIC_READ | Kernel32.FileAccess.FILE_GENERIC_WRITE),
Kernel32.FileShare.None,
null,
Kernel32.CreationDisposition.CREATE_ALWAYS,
Kernel32.CreateFileFlags.FILE_ATTRIBUTE_NORMAL,
Kernel32.SafeObjectHandle.Null);
using var tempFile = Windows.Win32.PInvoke.CreateFile(
tempPath,
(uint)(FILE_ACCESS_RIGHTS.FILE_GENERIC_READ | FILE_ACCESS_RIGHTS.FILE_GENERIC_WRITE),
FILE_SHARE_MODE.FILE_SHARE_NONE,
null,
FILE_CREATION_DISPOSITION.CREATE_ALWAYS,
FILE_FLAGS_AND_ATTRIBUTES.FILE_ATTRIBUTE_NORMAL,
null);
if (tempFile.IsInvalid)
throw new Win32Exception();
// Write the data
var bytesWritten = Kernel32.WriteFile(tempFile, new ArraySegment<byte>(bytes));
uint bytesWritten = 0;
if (!Windows.Win32.PInvoke.WriteFile(tempFile, new ReadOnlySpan<byte>(bytes), &bytesWritten, null))
throw new Win32Exception();
if (bytesWritten != bytes.Length)
throw new Exception($"Could not write all bytes to temp file ({bytesWritten} of {bytes.Length})");
if (!Kernel32.FlushFileBuffers(tempFile))
if (!Windows.Win32.PInvoke.FlushFileBuffers(tempFile))
throw new Win32Exception();
tempFile.Close();
if (!MoveFileEx(tempPath, path, MoveFileFlags.MovefileReplaceExisting | MoveFileFlags.MovefileWriteThrough))
if (!Windows.Win32.PInvoke.MoveFileEx(tempPath, path, MOVE_FILE_FLAGS.MOVEFILE_REPLACE_EXISTING | MOVE_FILE_FLAGS.MOVEFILE_WRITE_THROUGH))
throw new Win32Exception();
}