bool CWII_IPC_HLE_Device_FileIO::Open(u32 _CommandAddress, u32 _Mode)
{
	m_Mode = _Mode;
	u32 ReturnValue = 0;

	static const char* const Modes[] =
	{
		"Unk Mode",
		"Read only",
		"Write only",
		"Read and Write"
	};

	m_filepath = HLE_IPC_BuildFilename(m_Name, 64);

	// The file must exist before we can open it
	// It should be created by ISFS_CreateFile, not here
	if (File::Exists(m_filepath))
	{
		INFO_LOG(WII_IPC_FILEIO, "FileIO: Open %s (%s == %08X)", m_Name.c_str(), Modes[_Mode], _Mode);
		ReturnValue = m_DeviceID;
	}
	else
	{
		WARN_LOG(WII_IPC_FILEIO, "FileIO: Open (%s) failed - File doesn't exist %s", Modes[_Mode], m_filepath.c_str());
		ReturnValue = FS_FILE_NOT_EXIST;
	}

	if (_CommandAddress)
		Memory::Write_U32(ReturnValue, _CommandAddress+4);
	m_Active = true;
	return true;
}
void CWII_IPC_HLE_Device_FileIO::DoState(PointerWrap &p)
{
	DoStateShared(p);

	p.Do(m_Mode);
	p.Do(m_SeekPos);

	m_filepath = HLE_IPC_BuildFilename(m_Name, 64);
}
Esempio n. 3
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IPCCommandResult CWII_IPC_HLE_Device_fs::Open(u32 _CommandAddress, u32 _Mode)
{
  // clear tmp folder
  {
    std::string Path = HLE_IPC_BuildFilename("/tmp");
    File::DeleteDirRecursively(Path);
    File::CreateDir(Path);
  }

  Memory::Write_U32(GetDeviceID(), _CommandAddress + 4);
  m_Active = true;
  return GetFSReply();
}
void CWII_IPC_HLE_Device_FileIO::DoState(PointerWrap& p)
{
  DoStateShared(p);

  p.Do(m_Mode);
  p.Do(m_SeekPos);

  m_filepath = HLE_IPC_BuildFilename(m_Name);

  // The file was closed during state (and might now be pointing at another file)
  // Open it again
  OpenFile();
}
void CWII_IPC_HLE_Device_FileIO::DoState(PointerWrap &p)
{
	DoStateShared(p);

	p.Do(m_Mode);
	p.Do(m_SeekPos);

	m_filepath = HLE_IPC_BuildFilename(m_Name);

	if (p.GetMode() == PointerWrap::MODE_READ)
	{
		OpenFile();
	}
}
Esempio n. 6
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ReturnCode FileIO::Open(const OpenRequest& request)
{
  m_Mode = request.flags;

  static const char* const Modes[] = {"Unk Mode", "Read only", "Write only", "Read and Write"};

  m_filepath = HLE_IPC_BuildFilename(m_name);

  // The file must exist before we can open it
  // It should be created by ISFS_CreateFile, not here
  if (!File::Exists(m_filepath) || File::IsDirectory(m_filepath))
  {
    WARN_LOG(IOS_FILEIO, "FileIO: Open (%s) failed - File doesn't exist %s", Modes[m_Mode],
             m_filepath.c_str());
    return FS_ENOENT;
  }

  INFO_LOG(IOS_FILEIO, "FileIO: Open %s (%s == %08X)", m_name.c_str(), Modes[m_Mode], m_Mode);
  OpenFile();

  m_is_active = true;
  return IPC_SUCCESS;
}
Esempio n. 7
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bool CWII_IPC_HLE_Device_fs::IOCtlV(u32 _CommandAddress)
{
	u32 ReturnValue = FS_RESULT_OK;
	SIOCtlVBuffer CommandBuffer(_CommandAddress);

	// Prepare the out buffer(s) with zeros as a safety precaution
	// to avoid returning bad values
	for(u32 i = 0; i < CommandBuffer.NumberPayloadBuffer; i++)
	{
		Memory::Memset(CommandBuffer.PayloadBuffer[i].m_Address, 0,
			CommandBuffer.PayloadBuffer[i].m_Size);
	}

	switch(CommandBuffer.Parameter)
	{
	case IOCTLV_READ_DIR:
		{
			// the wii uses this function to define the type (dir or file)
			std::string DirName(HLE_IPC_BuildFilename((const char*)Memory::GetPointer(
				CommandBuffer.InBuffer[0].m_Address), CommandBuffer.InBuffer[0].m_Size));

			INFO_LOG(WII_IPC_FILEIO, "FS: IOCTL_READ_DIR %s", DirName.c_str());

			if (!File::Exists(DirName))
			{
				WARN_LOG(WII_IPC_FILEIO, "FS: Search not found: %s", DirName.c_str());
				ReturnValue = FS_FILE_NOT_EXIST;
				break;
			}
			else if (!File::IsDirectory(DirName))
			{
				// It's not a directory, so error.
				// Games don't usually seem to care WHICH error they get, as long as it's <
				// Well the system menu CARES!
				WARN_LOG(WII_IPC_FILEIO, "\tNot a directory - return FS_RESULT_FATAL");
				ReturnValue = FS_RESULT_FATAL;
				break;
			}

			// make a file search
			CFileSearch::XStringVector Directories;
			Directories.push_back(DirName);

			CFileSearch::XStringVector Extensions;
			Extensions.push_back("*.*");

			CFileSearch FileSearch(Extensions, Directories);

			// it is one
			if ((CommandBuffer.InBuffer.size() == 1) && (CommandBuffer.PayloadBuffer.size() == 1))
			{
				size_t numFile = FileSearch.GetFileNames().size();
				INFO_LOG(WII_IPC_FILEIO, "\t%lu files found", (unsigned long)numFile);

				Memory::Write_U32((u32)numFile, CommandBuffer.PayloadBuffer[0].m_Address);
			}
			else
			{
				u32 MaxEntries = Memory::Read_U32(CommandBuffer.InBuffer[0].m_Address);

				memset(Memory::GetPointer(CommandBuffer.PayloadBuffer[0].m_Address), 0, CommandBuffer.PayloadBuffer[0].m_Size);

				size_t numFiles = 0;
				char* pFilename = (char*)Memory::GetPointer((u32)(CommandBuffer.PayloadBuffer[0].m_Address));

				for (size_t i=0; i<FileSearch.GetFileNames().size(); i++)
				{
					if (i >= MaxEntries)
						break;

					std::string name, ext;
					SplitPath(FileSearch.GetFileNames()[i], NULL, &name, &ext);
					std::string FileName = name + ext;

					// Decode entities of invalid file system characters so that
					// games (such as HP:HBP) will be able to find what they expect.
					for (const Common::replace_t& r : replacements)
					{
						for (size_t j = 0; (j = FileName.find(r.second, j)) != FileName.npos; ++j)
							FileName.replace(j, r.second.length(), 1, r.first);
					}

					strcpy(pFilename, FileName.c_str());
					pFilename += FileName.length();
					*pFilename++ = 0x00;  // termination
					numFiles++;

					INFO_LOG(WII_IPC_FILEIO, "\tFound: %s", FileName.c_str());
				}

				Memory::Write_U32((u32)numFiles, CommandBuffer.PayloadBuffer[1].m_Address);
			}

			ReturnValue = FS_RESULT_OK;
		}
		break;

	case IOCTLV_GETUSAGE:
		{
			_dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer.size() == 2);
			_dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer[0].m_Size == 4);
			_dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer[1].m_Size == 4);

			// this command sucks because it asks of the number of used
			// fsBlocks and inodes
			// It should be correct, but don't count on it...
			const char *relativepath = (const char*)Memory::GetPointer(CommandBuffer.InBuffer[0].m_Address);
			std::string path(HLE_IPC_BuildFilename(relativepath, CommandBuffer.InBuffer[0].m_Size));
			u32 fsBlocks = 0;
			u32 iNodes = 0;

			INFO_LOG(WII_IPC_FILEIO, "IOCTL_GETUSAGE %s", path.c_str());
			if (File::IsDirectory(path))
			{
				// LPFaint99: After I found that setting the number of inodes to the number of children + 1 for the directory itself
				// I decided to compare with sneek which has the following 2 special cases which are
				// Copyright (C) 2009-2011  crediar http://code.google.com/p/sneek/
				if ((memcmp(relativepath, "/title/00010001", 16 ) == 0 ) ||
					(memcmp(relativepath, "/title/00010005", 16) == 0 ))
				{
					fsBlocks = 23; // size is size/0x4000
					iNodes = 42; // empty folders return a FileCount of 1
				}
				else
				{
					File::FSTEntry parentDir;
					// add one for the folder itself, allows some games to create their save files
					// R8XE52 (Jurassic: The Hunted), STEETR (Tetris Party Deluxe) now create their saves with this change
					iNodes = 1 + File::ScanDirectoryTree(path, parentDir);

					u64 totalSize = ComputeTotalFileSize(parentDir); // "Real" size, to be converted to nand blocks

					fsBlocks = (u32)(totalSize / (16 * 1024));  // one bock is 16kb
				}
				ReturnValue = FS_RESULT_OK;

				INFO_LOG(WII_IPC_FILEIO, "FS: fsBlock: %i, iNodes: %i", fsBlocks, iNodes);
			}
			else
			{
				fsBlocks = 0;
				iNodes = 0;
				ReturnValue = FS_RESULT_OK;
				WARN_LOG(WII_IPC_FILEIO, "FS: fsBlock failed, cannot find directory: %s", path.c_str());
			}

			Memory::Write_U32(fsBlocks, CommandBuffer.PayloadBuffer[0].m_Address);
			Memory::Write_U32(iNodes, CommandBuffer.PayloadBuffer[1].m_Address);
		}
		break;


	default:
		PanicAlert("CWII_IPC_HLE_Device_fs::IOCtlV: %i", CommandBuffer.Parameter);
		break;
	}

	Memory::Write_U32(ReturnValue, _CommandAddress+4);

	return true;
}
Esempio n. 8
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s32 CWII_IPC_HLE_Device_fs::ExecuteCommand(u32 _Parameter, u32 _BufferIn, u32 _BufferInSize, u32 _BufferOut, u32 _BufferOutSize)
{
	switch(_Parameter)
	{
	case IOCTL_GET_STATS:
		{
			if (_BufferOutSize < 0x1c)
				return -1017;

			WARN_LOG(WII_IPC_FILEIO, "FS: GET STATS - returning static values for now");

			NANDStat fs;

			//TODO: scrape the real amounts from somewhere...
			fs.BlockSize	= 0x4000;
			fs.FreeUserBlocks	= 0x5DEC;
			fs.UsedUserBlocks	= 0x1DD4;
			fs.FreeSysBlocks	= 0x10;
			fs.UsedSysBlocks	= 0x02F0;
			fs.Free_INodes	= 0x146B;
			fs.Used_Inodes	= 0x0394;

			*(NANDStat*)Memory::GetPointer(_BufferOut) = fs;

			return FS_RESULT_OK;
		}
		break;

	case IOCTL_CREATE_DIR:
		{
			_dbg_assert_(WII_IPC_FILEIO, _BufferOutSize == 0);
			u32 Addr = _BufferIn;

			u32 OwnerID = Memory::Read_U32(Addr); Addr += 4;
			u16 GroupID = Memory::Read_U16(Addr); Addr += 2;
			std::string DirName(HLE_IPC_BuildFilename((const char*)Memory::GetPointer(Addr), 64)); Addr += 64;
			Addr += 9; // owner attribs, permission
			u8 Attribs = Memory::Read_U8(Addr);

			INFO_LOG(WII_IPC_FILEIO, "FS: CREATE_DIR %s, OwnerID %#x, GroupID %#x, Attributes %#x", DirName.c_str(), OwnerID, GroupID, Attribs);

			DirName += DIR_SEP;
			File::CreateFullPath(DirName);
			_dbg_assert_msg_(WII_IPC_FILEIO, File::IsDirectory(DirName), "FS: CREATE_DIR %s failed", DirName.c_str());

			return FS_RESULT_OK;
		}
		break;

	case IOCTL_SET_ATTR:
		{
			u32 Addr = _BufferIn;

			u32 OwnerID = Memory::Read_U32(Addr); Addr += 4;
			u16 GroupID = Memory::Read_U16(Addr); Addr += 2;
			std::string Filename = HLE_IPC_BuildFilename((const char*)Memory::GetPointer(_BufferIn), 64); Addr += 64;
			u8 OwnerPerm = Memory::Read_U8(Addr); Addr += 1;
			u8 GroupPerm = Memory::Read_U8(Addr); Addr += 1;
			u8 OtherPerm = Memory::Read_U8(Addr); Addr += 1;
			u8 Attributes = Memory::Read_U8(Addr); Addr += 1;

			INFO_LOG(WII_IPC_FILEIO, "FS: SetAttrib %s", Filename.c_str());
			DEBUG_LOG(WII_IPC_FILEIO, "    OwnerID: 0x%08x", OwnerID);
			DEBUG_LOG(WII_IPC_FILEIO, "    GroupID: 0x%04x", GroupID);
			DEBUG_LOG(WII_IPC_FILEIO, "    OwnerPerm: 0x%02x", OwnerPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    GroupPerm: 0x%02x", GroupPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    OtherPerm: 0x%02x", OtherPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    Attributes: 0x%02x", Attributes);

			return FS_RESULT_OK;
		}
		break;

	case IOCTL_GET_ATTR:
		{
			_dbg_assert_msg_(WII_IPC_FILEIO, _BufferOutSize == 76,
				"    GET_ATTR needs an 76 bytes large output buffer but it is %i bytes large",
				_BufferOutSize);

			u32 OwnerID = 0;
			u16 GroupID = 0x3031; // this is also known as makercd, 01 (0x3031) for nintendo and 08 (0x3038) for MH3 etc
			std::string Filename = HLE_IPC_BuildFilename((const char*)Memory::GetPointer(_BufferIn), 64);
			u8 OwnerPerm = 0x3;		// read/write
			u8 GroupPerm = 0x3;		// read/write
			u8 OtherPerm = 0x3;		// read/write
			u8 Attributes = 0x00;	// no attributes
			if (File::IsDirectory(Filename))
			{
				INFO_LOG(WII_IPC_FILEIO, "FS: GET_ATTR Directory %s - all permission flags are set", Filename.c_str());
			}
			else
			{
				if (File::Exists(Filename))
				{
					INFO_LOG(WII_IPC_FILEIO, "FS: GET_ATTR %s - all permission flags are set", Filename.c_str());
				}
				else
				{
					INFO_LOG(WII_IPC_FILEIO, "FS: GET_ATTR unknown %s", Filename.c_str());
					return FS_FILE_NOT_EXIST;
				}
			}

			// write answer to buffer
			if (_BufferOutSize == 76)
			{
				u32 Addr = _BufferOut;
				Memory::Write_U32(OwnerID, Addr);										Addr += 4;
				Memory::Write_U16(GroupID, Addr);										Addr += 2;
				memcpy(Memory::GetPointer(Addr), Memory::GetPointer(_BufferIn), 64);	Addr += 64;
				Memory::Write_U8(OwnerPerm, Addr);										Addr += 1;
				Memory::Write_U8(GroupPerm, Addr);										Addr += 1;
				Memory::Write_U8(OtherPerm, Addr);										Addr += 1;
				Memory::Write_U8(Attributes, Addr);										Addr += 1;
			}

			return FS_RESULT_OK;
		}
		break;


	case IOCTL_DELETE_FILE:
		{
			_dbg_assert_(WII_IPC_FILEIO, _BufferOutSize == 0);
			int Offset = 0;

			std::string Filename = HLE_IPC_BuildFilename((const char*)Memory::GetPointer(_BufferIn+Offset), 64);
			Offset += 64;
			if (File::Delete(Filename))
			{
				INFO_LOG(WII_IPC_FILEIO, "FS: DeleteFile %s", Filename.c_str());
			}
			else if (File::DeleteDir(Filename))
			{
				INFO_LOG(WII_IPC_FILEIO, "FS: DeleteDir %s", Filename.c_str());
			}
			else
			{
				WARN_LOG(WII_IPC_FILEIO, "FS: DeleteFile %s - failed!!!", Filename.c_str());
			}

			return FS_RESULT_OK;
		}
		break;

	case IOCTL_RENAME_FILE:
		{
			_dbg_assert_(WII_IPC_FILEIO, _BufferOutSize == 0);
			int Offset = 0;

			std::string Filename = HLE_IPC_BuildFilename((const char*)Memory::GetPointer(_BufferIn+Offset), 64);
			Offset += 64;

			std::string FilenameRename = HLE_IPC_BuildFilename((const char*)Memory::GetPointer(_BufferIn+Offset), 64);
			Offset += 64;

			// try to make the basis directory
			File::CreateFullPath(FilenameRename);

			// if there is already a file, delete it
			if (File::Exists(Filename) && File::Exists(FilenameRename))
			{
				File::Delete(FilenameRename);
			}

			// finally try to rename the file
			if (File::Rename(Filename, FilenameRename))
			{
				INFO_LOG(WII_IPC_FILEIO, "FS: Rename %s to %s", Filename.c_str(), FilenameRename.c_str());
			}
			else
			{
				ERROR_LOG(WII_IPC_FILEIO, "FS: Rename %s to %s - failed", Filename.c_str(), FilenameRename.c_str());
				return FS_FILE_NOT_EXIST;
			}

			return FS_RESULT_OK;
		}
		break;

	case IOCTL_CREATE_FILE:
		{
			_dbg_assert_(WII_IPC_FILEIO, _BufferOutSize == 0);

			u32 Addr = _BufferIn;
			u32 OwnerID = Memory::Read_U32(Addr); Addr += 4;
			u16 GroupID = Memory::Read_U16(Addr); Addr += 2;
			std::string Filename(HLE_IPC_BuildFilename((const char*)Memory::GetPointer(Addr), 64)); Addr += 64;
			u8 OwnerPerm = Memory::Read_U8(Addr); Addr++;
			u8 GroupPerm = Memory::Read_U8(Addr); Addr++;
			u8 OtherPerm = Memory::Read_U8(Addr); Addr++;
			u8 Attributes = Memory::Read_U8(Addr); Addr++;

			INFO_LOG(WII_IPC_FILEIO, "FS: CreateFile %s", Filename.c_str());
			DEBUG_LOG(WII_IPC_FILEIO, "    OwnerID: 0x%08x", OwnerID);
			DEBUG_LOG(WII_IPC_FILEIO, "    GroupID: 0x%04x", GroupID);
			DEBUG_LOG(WII_IPC_FILEIO, "    OwnerPerm: 0x%02x", OwnerPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    GroupPerm: 0x%02x", GroupPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    OtherPerm: 0x%02x", OtherPerm);
			DEBUG_LOG(WII_IPC_FILEIO, "    Attributes: 0x%02x", Attributes);

			// check if the file already exist
			if (File::Exists(Filename))
			{
				WARN_LOG(WII_IPC_FILEIO, "\tresult = FS_RESULT_EXISTS");
				return FS_FILE_EXIST;
			}

			// create the file
			File::CreateFullPath(Filename);  // just to be sure
			bool Result = File::CreateEmptyFile(Filename);
			if (!Result)
			{
				ERROR_LOG(WII_IPC_FILEIO, "CWII_IPC_HLE_Device_fs: couldn't create new file");
				PanicAlert("CWII_IPC_HLE_Device_fs: couldn't create new file");
				return FS_RESULT_FATAL;
			}

			INFO_LOG(WII_IPC_FILEIO, "\tresult = FS_RESULT_OK");
			return FS_RESULT_OK;
		}
		break;
	case IOCTL_SHUTDOWN:
		{
			INFO_LOG(WII_IPC_FILEIO, "Wii called Shutdown()");
			// TODO: stop emulation
		}
		break;
	default:
		ERROR_LOG(WII_IPC_FILEIO, "CWII_IPC_HLE_Device_fs::IOCtl: ni  0x%x", _Parameter);
		PanicAlert("CWII_IPC_HLE_Device_fs::IOCtl: ni  0x%x", _Parameter);
		break;
	}

	return FS_RESULT_FATAL;
}
Esempio n. 9
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IPCCommandResult CWII_IPC_HLE_Device_fs::IOCtlV(u32 _CommandAddress)
{
  u32 ReturnValue = FS_RESULT_OK;
  SIOCtlVBuffer CommandBuffer(_CommandAddress);

  // Prepare the out buffer(s) with zeros as a safety precaution
  // to avoid returning bad values
  for (u32 i = 0; i < CommandBuffer.NumberPayloadBuffer; i++)
  {
    Memory::Memset(CommandBuffer.PayloadBuffer[i].m_Address, 0,
                   CommandBuffer.PayloadBuffer[i].m_Size);
  }

  switch (CommandBuffer.Parameter)
  {
  case IOCTLV_READ_DIR:
  {
    const std::string relative_path =
        Memory::GetString(CommandBuffer.InBuffer[0].m_Address, CommandBuffer.InBuffer[0].m_Size);

    if (!IsValidWiiPath(relative_path))
    {
      WARN_LOG(WII_IPC_FILEIO, "Not a valid path: %s", relative_path.c_str());
      ReturnValue = FS_RESULT_FATAL;
      break;
    }

    // the Wii uses this function to define the type (dir or file)
    std::string DirName(HLE_IPC_BuildFilename(relative_path));

    INFO_LOG(WII_IPC_FILEIO, "FS: IOCTL_READ_DIR %s", DirName.c_str());

    if (!File::Exists(DirName))
    {
      WARN_LOG(WII_IPC_FILEIO, "FS: Search not found: %s", DirName.c_str());
      ReturnValue = FS_FILE_NOT_EXIST;
      break;
    }
    else if (!File::IsDirectory(DirName))
    {
      // It's not a directory, so error.
      // Games don't usually seem to care WHICH error they get, as long as it's <
      // Well the system menu CARES!
      WARN_LOG(WII_IPC_FILEIO, "\tNot a directory - return FS_RESULT_FATAL");
      ReturnValue = FS_RESULT_FATAL;
      break;
    }

    File::FSTEntry entry = File::ScanDirectoryTree(DirName, false);

    // it is one
    if ((CommandBuffer.InBuffer.size() == 1) && (CommandBuffer.PayloadBuffer.size() == 1))
    {
      size_t numFile = entry.children.size();
      INFO_LOG(WII_IPC_FILEIO, "\t%zu files found", numFile);

      Memory::Write_U32((u32)numFile, CommandBuffer.PayloadBuffer[0].m_Address);
    }
    else
    {
      for (File::FSTEntry& child : entry.children)
      {
        // Decode escaped invalid file system characters so that games (such as
        // Harry Potter and the Half-Blood Prince) can find what they expect.
        child.virtualName = Common::UnescapeFileName(child.virtualName);
      }

      std::sort(entry.children.begin(), entry.children.end(),
                [](const File::FSTEntry& one, const File::FSTEntry& two) {
                  return one.virtualName < two.virtualName;
                });

      u32 MaxEntries = Memory::Read_U32(CommandBuffer.InBuffer[0].m_Address);

      memset(Memory::GetPointer(CommandBuffer.PayloadBuffer[0].m_Address), 0,
             CommandBuffer.PayloadBuffer[0].m_Size);

      size_t numFiles = 0;
      char* pFilename = (char*)Memory::GetPointer((u32)(CommandBuffer.PayloadBuffer[0].m_Address));

      for (size_t i = 0; i < entry.children.size() && i < MaxEntries; i++)
      {
        const std::string& FileName = entry.children[i].virtualName;

        strcpy(pFilename, FileName.c_str());
        pFilename += FileName.length();
        *pFilename++ = 0x00;  // termination
        numFiles++;

        INFO_LOG(WII_IPC_FILEIO, "\tFound: %s", FileName.c_str());
      }

      Memory::Write_U32((u32)numFiles, CommandBuffer.PayloadBuffer[1].m_Address);
    }

    ReturnValue = FS_RESULT_OK;
  }
  break;

  case IOCTLV_GETUSAGE:
  {
    _dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer.size() == 2);
    _dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer[0].m_Size == 4);
    _dbg_assert_(WII_IPC_FILEIO, CommandBuffer.PayloadBuffer[1].m_Size == 4);

    // this command sucks because it asks of the number of used
    // fsBlocks and inodes
    // It should be correct, but don't count on it...
    std::string relativepath =
        Memory::GetString(CommandBuffer.InBuffer[0].m_Address, CommandBuffer.InBuffer[0].m_Size);

    if (!IsValidWiiPath(relativepath))
    {
      WARN_LOG(WII_IPC_FILEIO, "Not a valid path: %s", relativepath.c_str());
      ReturnValue = FS_RESULT_FATAL;
      break;
    }

    std::string path(HLE_IPC_BuildFilename(relativepath));
    u32 fsBlocks = 0;
    u32 iNodes = 0;

    INFO_LOG(WII_IPC_FILEIO, "IOCTL_GETUSAGE %s", path.c_str());
    if (File::IsDirectory(path))
    {
      // LPFaint99: After I found that setting the number of inodes to the number of children + 1
      // for the directory itself
      // I decided to compare with sneek which has the following 2 special cases which are
      // Copyright (C) 2009-2011  crediar http://code.google.com/p/sneek/
      if ((relativepath.compare(0, 16, "/title/00010001") == 0) ||
          (relativepath.compare(0, 16, "/title/00010005") == 0))
      {
        fsBlocks = 23;  // size is size/0x4000
        iNodes = 42;    // empty folders return a FileCount of 1
      }
      else
      {
        File::FSTEntry parentDir = File::ScanDirectoryTree(path, true);
        // add one for the folder itself
        iNodes = 1 + (u32)parentDir.size;

        u64 totalSize =
            ComputeTotalFileSize(parentDir);  // "Real" size, to be converted to nand blocks

        fsBlocks = (u32)(totalSize / (16 * 1024));  // one bock is 16kb
      }
      ReturnValue = FS_RESULT_OK;

      INFO_LOG(WII_IPC_FILEIO, "FS: fsBlock: %i, iNodes: %i", fsBlocks, iNodes);
    }
    else
    {
      fsBlocks = 0;
      iNodes = 0;
      ReturnValue = FS_RESULT_OK;
      WARN_LOG(WII_IPC_FILEIO, "FS: fsBlock failed, cannot find directory: %s", path.c_str());
    }

    Memory::Write_U32(fsBlocks, CommandBuffer.PayloadBuffer[0].m_Address);
    Memory::Write_U32(iNodes, CommandBuffer.PayloadBuffer[1].m_Address);
  }
  break;

  default:
    PanicAlert("CWII_IPC_HLE_Device_fs::IOCtlV: %i", CommandBuffer.Parameter);
    break;
  }

  Memory::Write_U32(ReturnValue, _CommandAddress + 4);

  return GetFSReply();
}