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ryujinx-final/Ryujinx.HLE/HOS/Services/Fs/FileSystemProxy/IStorage.cs
Mary 305f06eb71
HLE: Fix integer sign inconcistency accross the codebase (#2222)
* Make all title id instances unsigned

* Replace address and size with ulong instead of signed types

Long overdue change.
Also change some logics here and there to optimize with the new memory
manager.

* Address Ac_K's comments

* Remove uneeded cast all around

* Fixes some others misalignment
2021-04-24 12:16:01 +02:00

69 lines
No EOL
1.7 KiB
C#

using LibHac;
using Ryujinx.HLE.HOS.Ipc;
using System;
namespace Ryujinx.HLE.HOS.Services.Fs.FileSystemProxy
{
class IStorage : IpcService, IDisposable
{
private LibHac.Fs.IStorage _baseStorage;
public IStorage(LibHac.Fs.IStorage baseStorage)
{
_baseStorage = baseStorage;
}
[CommandHipc(0)]
// Read(u64 offset, u64 length) -> buffer<u8, 0x46, 0> buffer
public ResultCode Read(ServiceCtx context)
{
ulong offset = context.RequestData.ReadUInt64();
ulong size = context.RequestData.ReadUInt64();
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];
Result result = _baseStorage.Read((long)offset, data);
context.Memory.Write(buffDesc.Position, data);
return (ResultCode)result.Value;
}
return ResultCode.Success;
}
[CommandHipc(4)]
// GetSize() -> u64 size
public ResultCode GetSize(ServiceCtx context)
{
Result result = _baseStorage.GetSize(out long size);
context.ResponseData.Write(size);
return (ResultCode)result.Value;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_baseStorage?.Dispose();
}
}
}
}