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Ryujinx/Ryujinx.Common/Extensions/BinaryReaderExtensions.cs
Mary-nyan f4e879a1e6
Reduce usage of Marshal.PtrToStructure and Marshal.StructureToPtr (#3805)
* common: Make BinaryReaderExtensions Read & Write take unamanged types

This allows us to not rely on Marshal.PtrToStructure and Marshal.StructureToPtr for those.

* common: Make MemoryHelper Read & Write takes unamanged types

* Update Marshal.SizeOf => Unsafe.SizeOf when appropriate and start moving software applet to unmanaged types
2022-11-24 15:26:29 +01:00

30 lines
880 B
C#

using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common
{
public static class BinaryReaderExtensions
{
public unsafe static T ReadStruct<T>(this BinaryReader reader)
where T : unmanaged
{
return MemoryMarshal.Cast<byte, T>(reader.ReadBytes(Unsafe.SizeOf<T>()))[0];
}
public unsafe static void WriteStruct<T>(this BinaryWriter writer, T value)
where T : unmanaged
{
ReadOnlySpan<byte> data = MemoryMarshal.Cast<T, byte>(MemoryMarshal.CreateReadOnlySpan(ref value, 1));
writer.Write(data);
}
public static void Write(this BinaryWriter writer, UInt128 value)
{
writer.Write((ulong)value);
writer.Write((ulong)(value >> 64));
}
}
}