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

61 lines
2.4 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* 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"
namespace ams::fs {
namespace {
Result MountSystemSaveDataImpl(const char *name, SaveDataSpaceId space_id, SystemSaveDataId id, UserId user_id, SaveDataType type) {
/* Validate the mount name. */
R_TRY(impl::CheckMountName(name));
/* Create the attribute. */
const auto attribute = SaveDataAttribute::Make(ncm::InvalidProgramId, type, user_id, id);
static_assert(sizeof(attribute) == sizeof(::FsSaveDataAttribute));
/* Open the filesystem, use libnx bindings. */
::FsFileSystem fs;
R_TRY(fsOpenSaveDataFileSystemBySystemSaveDataId(std::addressof(fs), static_cast<::FsSaveDataSpaceId>(space_id), reinterpret_cast<const ::FsSaveDataAttribute *>(std::addressof(attribute))));
/* Allocate a new filesystem wrapper. */
auto fsa = std::make_unique<RemoteFileSystem>(fs);
R_UNLESS(fsa != nullptr, fs::ResultAllocationFailureInSystemSaveDataA());
/* Register. */
return fsa::Register(name, std::move(fsa));
}
}
Result MountSystemSaveData(const char *name, SystemSaveDataId id) {
return MountSystemSaveData(name, id, InvalidUserId);
}
Result MountSystemSaveData(const char *name, SaveDataSpaceId space_id, SystemSaveDataId id) {
return MountSystemSaveData(name, space_id, id, InvalidUserId);
}
Result MountSystemSaveData(const char *name, SystemSaveDataId id, UserId user_id) {
return MountSystemSaveData(name, SaveDataSpaceId::System, id, user_id);
}
Result MountSystemSaveData(const char *name, SaveDataSpaceId space_id, SystemSaveDataId id, UserId user_id) {
return MountSystemSaveDataImpl(name, space_id, id, user_id, SaveDataType::System);
}
}