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ryujinx-fork/Ryujinx/OsHle/Objects/FspSrvIStorage.cs
2018-02-04 20:08:20 -03:00

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1.2 KiB
C#

using ChocolArm64.Memory;
using Ryujinx.OsHle.Ipc;
using System.IO;
namespace Ryujinx.OsHle.Objects
{
class FspSrvIStorage
{
public Stream BaseStream { get; private set; }
public FspSrvIStorage(Stream BaseStream)
{
this.BaseStream = BaseStream;
}
public static long Read(ServiceCtx Context)
{
FspSrvIStorage Storage = Context.GetObject<FspSrvIStorage>();
long Offset = Context.RequestData.ReadInt64();
long Size = Context.RequestData.ReadInt64();
if (Context.Request.ReceiveBuff.Count > 0)
{
IpcBuffDesc BuffDesc = Context.Request.ReceiveBuff[0];
//Use smaller length to avoid overflows.
if (Size > BuffDesc.Size)
{
Size = BuffDesc.Size;
}
byte[] Data = new byte[Size];
Storage.BaseStream.Seek(Offset, SeekOrigin.Begin);
Storage.BaseStream.Read(Data, 0, Data.Length);
AMemoryHelper.WriteBytes(Context.Memory, BuffDesc.Position, Data);
}
return 0;
}
}
}