Atmosphere/libraries/libstratosphere/source/fs/fs_device_save_data.cpp

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/*
* Copyright (c) Atmosphère-NX
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*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "fsa/fs_mount_utils.hpp"
#include "impl/fs_file_system_proxy_service_object.hpp"
#include "impl/fs_file_system_service_object_adapter.hpp"
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namespace ams::fs {
namespace {
constexpr inline SaveDataSpaceId DeviceSaveDataSpaceId = SaveDataSpaceId::User;
Result MountDeviceSaveDataImpl(const char *name, const SaveDataAttribute &attribute) {
/* Validate the mount name. */
R_TRY(impl::CheckMountName(name));
/* Open the filesystem. */
auto fsp = impl::GetFileSystemProxyServiceObject();
sf::SharedPointer<fssrv::sf::IFileSystem> fs;
R_TRY(fsp->OpenSaveDataFileSystem(std::addressof(fs), static_cast<u8>(DeviceSaveDataSpaceId), attribute));
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/* Allocate a new filesystem wrapper. */
auto fsa = std::make_unique<impl::FileSystemServiceObjectAdapter>(std::move(fs));
R_UNLESS(fsa != nullptr, fs::ResultAllocationMemoryFailedInDeviceSaveDataA());
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/* Register. */
return fsa::Register(name, std::move(fsa));
}
}
Result MountDeviceSaveData(const char *name) {
const auto attr = SaveDataAttribute::Make(ncm::InvalidProgramId, SaveDataType::Device, InvalidUserId, InvalidSystemSaveDataId);
/* Perform the mount. */
AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_MOUNT(MountDeviceSaveDataImpl(name, attr), name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT, name));
/* Enable access logging. */
AMS_FS_IMPL_ACCESS_LOG_FS_ACCESSOR_ENABLE(name);
R_SUCCEED();
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}
Result MountDeviceSaveData(const char *name, const ncm::ApplicationId application_id) {
const auto attr = SaveDataAttribute::Make(application_id, SaveDataType::Device, InvalidUserId, InvalidSystemSaveDataId);
/* Perform the mount. */
AMS_FS_R_TRY(AMS_FS_IMPL_ACCESS_LOG_MOUNT(MountDeviceSaveDataImpl(name, attr), name, AMS_FS_IMPL_ACCESS_LOG_FORMAT_MOUNT_DEVICE_SAVE_DATA_APPLICATION_ID(name, application_id)));
/* Enable access logging. */
AMS_FS_IMPL_ACCESS_LOG_FS_ACCESSOR_ENABLE(name);
R_SUCCEED();
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}
}