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https://github.com/Atmosphere-NX/Atmosphere.git
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230 lines
11 KiB
C++
230 lines
11 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/fs/fs_common.hpp>
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#include <stratosphere/fs/impl/fs_newable.hpp>
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#include <stratosphere/fs/fsa/fs_ifile.hpp>
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#include <stratosphere/fs/fsa/fs_idirectory.hpp>
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#include <stratosphere/fs/fsa/fs_ifilesystem.hpp>
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#include <stratosphere/fs/fs_query_range.hpp>
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#include <stratosphere/fs/fs_path_utils.hpp>
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namespace ams::fs {
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class RemoteFile : public fsa::IFile, public impl::Newable {
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private:
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::FsFile base_file;
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public:
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RemoteFile(const ::FsFile &f) : base_file(f) { /* ... */ }
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virtual ~RemoteFile() { fsFileClose(std::addressof(this->base_file)); }
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public:
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virtual Result DoRead(size_t *out, s64 offset, void *buffer, size_t size, const fs::ReadOption &option) override final {
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return fsFileRead(std::addressof(this->base_file), offset, buffer, size, option.value, out);
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}
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virtual Result DoGetSize(s64 *out) override final {
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return fsFileGetSize(std::addressof(this->base_file), out);
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}
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virtual Result DoFlush() override final {
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return fsFileFlush(std::addressof(this->base_file));
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}
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virtual Result DoWrite(s64 offset, const void *buffer, size_t size, const fs::WriteOption &option) override final {
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return fsFileWrite(std::addressof(this->base_file), offset, buffer, size, option.value);
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}
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virtual Result DoSetSize(s64 size) override final {
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return fsFileSetSize(std::addressof(this->base_file), size);
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}
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virtual Result DoOperateRange(void *dst, size_t dst_size, fs::OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override final {
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R_UNLESS(op_id == OperationId::QueryRange, fs::ResultUnsupportedOperationInFileServiceObjectAdapterA());
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R_UNLESS(dst_size == sizeof(FileQueryRangeInfo), fs::ResultInvalidSize());
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return fsFileOperateRange(std::addressof(this->base_file), static_cast<::FsOperationId>(op_id), offset, size, reinterpret_cast<::FsRangeInfo *>(dst));
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}
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public:
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virtual sf::cmif::DomainObjectId GetDomainObjectId() const override {
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return sf::cmif::DomainObjectId{serviceGetObjectId(const_cast<::Service *>(std::addressof(this->base_file.s)))};
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}
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};
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class RemoteDirectory : public fsa::IDirectory, public impl::Newable {
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private:
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::FsDir base_dir;
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public:
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RemoteDirectory(const ::FsDir &d) : base_dir(d) { /* ... */ }
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virtual ~RemoteDirectory() { fsDirClose(std::addressof(this->base_dir)); }
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public:
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virtual Result DoRead(s64 *out_count, DirectoryEntry *out_entries, s64 max_entries) override final {
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return fsDirRead(std::addressof(this->base_dir), out_count, max_entries, out_entries);
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}
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virtual Result DoGetEntryCount(s64 *out) override final {
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return fsDirGetEntryCount(std::addressof(this->base_dir), out);
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}
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public:
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virtual sf::cmif::DomainObjectId GetDomainObjectId() const override {
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return sf::cmif::DomainObjectId{serviceGetObjectId(const_cast<::Service *>(std::addressof(this->base_dir.s)))};
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}
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};
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class RemoteFileSystem : public fsa::IFileSystem, public impl::Newable {
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private:
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::FsFileSystem base_fs;
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public:
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RemoteFileSystem(const ::FsFileSystem &fs) : base_fs(fs) { /* ... */ }
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virtual ~RemoteFileSystem() { fsFsClose(std::addressof(this->base_fs)); }
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private:
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Result GetPathForServiceObject(fssrv::sf::Path *out_path, const char *path) {
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/* Copy and null terminate. */
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std::strncpy(out_path->str, path, sizeof(out_path->str) - 1);
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out_path->str[sizeof(out_path->str) - 1] = '\x00';
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/* Replace directory separators. */
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fs::Replace(out_path->str, sizeof(out_path->str) - 1, StringTraits::AlternateDirectorySeparator, StringTraits::DirectorySeparator);
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/* Get lengths. */
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const auto skip_len = fs::GetWindowsPathSkipLength(path);
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const auto rel_path = out_path->str + skip_len;
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const auto max_len = fs::EntryNameLengthMax - skip_len;
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return VerifyPath(rel_path, max_len, max_len);
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}
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public:
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virtual Result DoCreateFile(const char *path, s64 size, int flags) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsCreateFile(std::addressof(this->base_fs), sf_path.str, size, flags);
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}
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virtual Result DoDeleteFile(const char *path) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsDeleteFile(std::addressof(this->base_fs), sf_path.str);
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}
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virtual Result DoCreateDirectory(const char *path) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsCreateDirectory(std::addressof(this->base_fs), sf_path.str);
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}
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virtual Result DoDeleteDirectory(const char *path) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsDeleteDirectory(std::addressof(this->base_fs), sf_path.str);
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}
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virtual Result DoDeleteDirectoryRecursively(const char *path) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsDeleteDirectoryRecursively(std::addressof(this->base_fs), sf_path.str);
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}
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virtual Result DoRenameFile(const char *old_path, const char *new_path) override final {
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fssrv::sf::Path old_sf_path;
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fssrv::sf::Path new_sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(old_sf_path), old_path));
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R_TRY(GetPathForServiceObject(std::addressof(new_sf_path), new_path));
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return fsFsRenameFile(std::addressof(this->base_fs), old_sf_path.str, new_sf_path.str);
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}
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virtual Result DoRenameDirectory(const char *old_path, const char *new_path) override final {
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fssrv::sf::Path old_sf_path;
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fssrv::sf::Path new_sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(old_sf_path), old_path));
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R_TRY(GetPathForServiceObject(std::addressof(new_sf_path), new_path));
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return fsFsRenameDirectory(std::addressof(this->base_fs), old_sf_path.str, new_sf_path.str);
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}
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virtual Result DoGetEntryType(DirectoryEntryType *out, const char *path) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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static_assert(sizeof(::FsDirEntryType) == sizeof(DirectoryEntryType));
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return fsFsGetEntryType(std::addressof(this->base_fs), sf_path.str, reinterpret_cast<::FsDirEntryType *>(out));
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}
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virtual Result DoOpenFile(std::unique_ptr<fsa::IFile> *out_file, const char *path, OpenMode mode) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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FsFile f;
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R_TRY(fsFsOpenFile(std::addressof(this->base_fs), sf_path.str, mode, &f));
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auto file = std::make_unique<RemoteFile>(f);
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R_UNLESS(file != nullptr, fs::ResultAllocationFailureInNew());
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*out_file = std::move(file);
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return ResultSuccess();
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}
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virtual Result DoOpenDirectory(std::unique_ptr<fsa::IDirectory> *out_dir, const char *path, OpenDirectoryMode mode) override final {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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FsDir d;
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R_TRY(fsFsOpenDirectory(std::addressof(this->base_fs), sf_path.str, mode, &d));
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auto dir = std::make_unique<RemoteDirectory>(d);
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R_UNLESS(dir != nullptr, fs::ResultAllocationFailureInNew());
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*out_dir = std::move(dir);
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return ResultSuccess();
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}
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virtual Result DoCommit() override final {
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return fsFsCommit(std::addressof(this->base_fs));
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}
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virtual Result DoGetFreeSpaceSize(s64 *out, const char *path) {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsGetFreeSpace(std::addressof(this->base_fs), sf_path.str, out);
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}
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virtual Result DoGetTotalSpaceSize(s64 *out, const char *path) {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsGetTotalSpace(std::addressof(this->base_fs), sf_path.str, out);
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}
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virtual Result DoCleanDirectoryRecursively(const char *path) {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsCleanDirectoryRecursively(std::addressof(this->base_fs), sf_path.str);
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}
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virtual Result DoGetFileTimeStampRaw(FileTimeStampRaw *out, const char *path) {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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static_assert(sizeof(FileTimeStampRaw) == sizeof(::FsTimeStampRaw));
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return fsFsGetFileTimeStampRaw(std::addressof(this->base_fs), sf_path.str, reinterpret_cast<::FsTimeStampRaw *>(out));
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}
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virtual Result DoQueryEntry(char *dst, size_t dst_size, const char *src, size_t src_size, fsa::QueryId query, const char *path) {
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fssrv::sf::Path sf_path;
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R_TRY(GetPathForServiceObject(std::addressof(sf_path), path));
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return fsFsQueryEntry(std::addressof(this->base_fs), dst, dst_size, src, src_size, sf_path.str, static_cast<FsFileSystemQueryId>(query));
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}
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};
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}
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