R/Ryujinx.HLE/HOS/Services/Am/StorageHelper.cs

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using System.IO;
namespace Ryujinx.HLE.HOS.Services.Am
{
class StorageHelper
{
private const uint LaunchParamsMagic = 0xc79497ca;
public static byte[] MakeLaunchParams()
{
//Size needs to be at least 0x88 bytes otherwise application errors.
using (MemoryStream ms = new MemoryStream())
{
BinaryWriter writer = new BinaryWriter(ms);
ms.SetLength(0x88);
writer.Write(LaunchParamsMagic);
writer.Write(1); //IsAccountSelected? Only lower 8 bits actually used.
writer.Write(1L); //User Id Low (note: User Id needs to be != 0)
writer.Write(0L); //User Id High
return ms.ToArray();
}
}
}
}