6354d08359
This allows attaching a HLE handle to a ServerPort at any point after it is created, allowing port/session creation to be generic between HLE and regular services.
270 lines
10 KiB
C++
270 lines
10 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/archive_backend.h"
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#include "core/hle/kernel/hle_ipc.h"
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#include "core/hle/result.h"
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namespace FileSys {
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class DirectoryBackend;
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class FileBackend;
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}
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/// The unique system identifier hash, also known as ID0
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static constexpr char SYSTEM_ID[]{"00000000000000000000000000000000"};
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/// The scrambled SD card CID, also known as ID1
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static constexpr char SDCARD_ID[]{"00000000000000000000000000000000"};
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namespace Service {
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namespace FS {
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/// Supported archive types
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enum class ArchiveIdCode : u32 {
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SelfNCCH = 0x00000003,
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SaveData = 0x00000004,
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ExtSaveData = 0x00000006,
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SharedExtSaveData = 0x00000007,
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SystemSaveData = 0x00000008,
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SDMC = 0x00000009,
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SDMCWriteOnly = 0x0000000A,
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NCCH = 0x2345678A,
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OtherSaveDataGeneral = 0x567890B2,
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OtherSaveDataPermitted = 0x567890B4,
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};
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/// Media types for the archives
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enum class MediaType : u32 { NAND = 0, SDMC = 1, GameCard = 2 };
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typedef u64 ArchiveHandle;
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class File final : public Kernel::SessionRequestHandler {
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public:
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File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path);
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~File();
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std::string GetName() const {
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return "Path: " + path.DebugStr();
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}
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FileSys::Path path; ///< Path of the file
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u32 priority; ///< Priority of the file. TODO(Subv): Find out what this means
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std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
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protected:
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void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
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};
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class Directory final : public Kernel::SessionRequestHandler {
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public:
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Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path);
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~Directory();
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std::string GetName() const {
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return "Directory: " + path.DebugStr();
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}
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FileSys::Path path; ///< Path of the directory
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std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
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protected:
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void HandleSyncRequest(Kernel::SharedPtr<Kernel::ServerSession> server_session) override;
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};
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/**
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* Opens an archive
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* @param id_code IdCode of the archive to open
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* @param archive_path Path to the archive, used with Binary paths
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* @return Handle to the opened archive
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*/
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ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code, FileSys::Path& archive_path);
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/**
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* Closes an archive
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* @param handle Handle to the archive to close
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*/
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ResultCode CloseArchive(ArchiveHandle handle);
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/**
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* Registers an Archive type, instances of which can later be opened using its IdCode.
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* @param factory File system backend interface to the archive
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* @param id_code Id code used to access this type of archive
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*/
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ResultCode RegisterArchiveType(std::unique_ptr<FileSys::ArchiveFactory>&& factory,
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ArchiveIdCode id_code);
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/**
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* Open a File from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the File inside of the Archive
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* @param mode Mode under which to open the File
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* @return The opened File object
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*/
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ResultVal<std::shared_ptr<File>> OpenFileFromArchive(ArchiveHandle archive_handle,
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const FileSys::Path& path,
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const FileSys::Mode mode);
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/**
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* Delete a File from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the File inside of the Archive
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* @return Whether deletion succeeded
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*/
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ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
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/**
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* Rename a File between two Archives
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* @param src_archive_handle Handle to the source Archive object
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* @param src_path Path to the File inside of the source Archive
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* @param dest_archive_handle Handle to the destination Archive object
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* @param dest_path Path to the File inside of the destination Archive
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* @return Whether rename succeeded
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*/
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ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle,
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const FileSys::Path& src_path,
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ArchiveHandle dest_archive_handle,
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const FileSys::Path& dest_path);
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/**
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* Delete a Directory from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the Directory inside of the Archive
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* @return Whether deletion succeeded
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*/
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ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
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/**
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* Delete a Directory and anything under it from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the Directory inside of the Archive
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* @return Whether deletion succeeded
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*/
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ResultCode DeleteDirectoryRecursivelyFromArchive(ArchiveHandle archive_handle,
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const FileSys::Path& path);
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/**
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* Create a File in an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the File inside of the Archive
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* @param file_size The size of the new file, filled with zeroes
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* @return File creation result code
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*/
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ResultCode CreateFileInArchive(ArchiveHandle archive_handle, const FileSys::Path& path,
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u64 file_size);
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/**
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* Create a Directory from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the Directory inside of the Archive
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* @return Whether creation of directory succeeded
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*/
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ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
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/**
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* Rename a Directory between two Archives
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* @param src_archive_handle Handle to the source Archive object
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* @param src_path Path to the Directory inside of the source Archive
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* @param dest_archive_handle Handle to the destination Archive object
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* @param dest_path Path to the Directory inside of the destination Archive
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* @return Whether rename succeeded
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*/
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ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle,
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const FileSys::Path& src_path,
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ArchiveHandle dest_archive_handle,
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const FileSys::Path& dest_path);
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/**
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* Open a Directory from an Archive
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* @param archive_handle Handle to an open Archive object
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* @param path Path to the Directory inside of the Archive
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* @return The opened Directory object
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*/
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ResultVal<std::shared_ptr<Directory>> OpenDirectoryFromArchive(ArchiveHandle archive_handle,
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const FileSys::Path& path);
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/**
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* Get the free space in an Archive
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* @param archive_handle Handle to an open Archive object
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* @return The number of free bytes in the archive
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*/
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ResultVal<u64> GetFreeBytesInArchive(ArchiveHandle archive_handle);
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/**
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* Erases the contents of the physical folder that contains the archive
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* identified by the specified id code and path
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* @param id_code The id of the archive to format
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* @param format_info Format information about the new archive
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* @param path The path to the archive, if relevant.
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode FormatArchive(ArchiveIdCode id_code, const FileSys::ArchiveFormatInfo& format_info,
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const FileSys::Path& path = FileSys::Path());
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/**
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* Retrieves the format info about the archive of the specified type and path.
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* The format info is supplied by the client code when creating archives.
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* @param id_code The id of the archive
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* @param archive_path The path of the archive, if relevant
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* @return The format info of the archive, or the corresponding error code if failed.
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*/
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ResultVal<FileSys::ArchiveFormatInfo> GetArchiveFormatInfo(ArchiveIdCode id_code,
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FileSys::Path& archive_path);
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/**
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* Creates a blank SharedExtSaveData archive for the specified extdata ID
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* @param media_type The media type of the archive to create (NAND / SDMC)
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* @param high The high word of the extdata id to create
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* @param low The low word of the extdata id to create
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* @param icon_buffer VAddr of the SMDH icon for this ExtSaveData
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* @param icon_size Size of the SMDH icon
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* @param format_info Format information about the new archive
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode CreateExtSaveData(MediaType media_type, u32 high, u32 low, VAddr icon_buffer,
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u32 icon_size, const FileSys::ArchiveFormatInfo& format_info);
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/**
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* Deletes the SharedExtSaveData archive for the specified extdata ID
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* @param media_type The media type of the archive to delete (NAND / SDMC)
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* @param high The high word of the extdata id to delete
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* @param low The low word of the extdata id to delete
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode DeleteExtSaveData(MediaType media_type, u32 high, u32 low);
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/**
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* Deletes the SystemSaveData archive folder for the specified save data id
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* @param high The high word of the SystemSaveData archive to delete
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* @param low The low word of the SystemSaveData archive to delete
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode DeleteSystemSaveData(u32 high, u32 low);
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/**
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* Creates the SystemSaveData archive folder for the specified save data id
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* @param high The high word of the SystemSaveData archive to create
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* @param low The low word of the SystemSaveData archive to create
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* @return ResultCode 0 on success or the corresponding code on error
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*/
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ResultCode CreateSystemSaveData(u32 high, u32 low);
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/// Initialize archives
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void ArchiveInit();
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/// Shutdown archives
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void ArchiveShutdown();
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/// Register all archive types
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void RegisterArchiveTypes();
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/// Unregister all archive types
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void UnregisterArchiveTypes();
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} // namespace FS
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} // namespace Service
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