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file_sys: Repurpose 3DS IVFC code for Switch ROMFS.
This commit is contained in:
bunnei
parent
4c07dde472
commit
2f71a32363
3 changed files with 43 additions and 51 deletions
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@ -13,10 +13,10 @@ add_library(core STATIC
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file_sys/disk_archive.h
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file_sys/errors.h
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file_sys/file_backend.h
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file_sys/ivfc_archive.cpp
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file_sys/ivfc_archive.h
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file_sys/path_parser.cpp
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file_sys/path_parser.h
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file_sys/romfs_archive.cpp
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file_sys/romfs_archive.h
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file_sys/savedata_archive.cpp
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file_sys/savedata_archive.h
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file_sys/title_metadata.cpp
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@ -1,4 +1,4 @@
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// Copyright 2014 Citra Emulator Project
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// Copyright 2018 yuzu emulator team
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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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@ -6,84 +6,79 @@
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#include <memory>
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "core/file_sys/ivfc_archive.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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#include "core/file_sys/romfs_archive.h"
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namespace FileSys {
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std::string IVFCArchive::GetName() const {
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return "IVFC";
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std::string ROMFSArchive::GetName() const {
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return "RomFS";
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}
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ResultVal<std::unique_ptr<FileBackend>> IVFCArchive::OpenFile(const Path& path,
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const Mode& mode) const {
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ResultVal<std::unique_ptr<FileBackend>> ROMFSArchive::OpenFile(const Path& path,
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const Mode& mode) const {
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return MakeResult<std::unique_ptr<FileBackend>>(
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std::make_unique<IVFCFile>(romfs_file, data_offset, data_size));
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std::make_unique<ROMFSFile>(romfs_file, data_offset, data_size));
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}
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ResultCode IVFCArchive::DeleteFile(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a file from an IVFC archive (%s).",
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ResultCode ROMFSArchive::DeleteFile(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a file from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(bunnei): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an IVFC archive (%s).",
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ResultCode ROMFSArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::DeleteDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an IVFC archive (%s).",
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ResultCode ROMFSArchive::DeleteDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::DeleteDirectoryRecursively(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an IVFC archive (%s).",
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ResultCode ROMFSArchive::DeleteDirectoryRecursively(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::CreateFile(const Path& path, u64 size) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a file in an IVFC archive (%s).",
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ResultCode ROMFSArchive::CreateFile(const Path& path, u64 size) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a file in an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(bunnei): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::CreateDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a directory in an IVFC archive (%s).",
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ResultCode ROMFSArchive::CreateDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a directory in an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode IVFCArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an IVFC archive (%s).",
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ResultCode ROMFSArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultVal<std::unique_ptr<DirectoryBackend>> IVFCArchive::OpenDirectory(const Path& path) const {
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return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<IVFCDirectory>());
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ResultVal<std::unique_ptr<DirectoryBackend>> ROMFSArchive::OpenDirectory(const Path& path) const {
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return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<ROMFSDirectory>());
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}
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u64 IVFCArchive::GetFreeBytes() const {
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LOG_WARNING(Service_FS, "Attempted to get the free space in an IVFC archive");
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u64 ROMFSArchive::GetFreeBytes() const {
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LOG_WARNING(Service_FS, "Attempted to get the free space in an ROMFS archive");
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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ResultVal<size_t> IVFCFile::Read(const u64 offset, const size_t length, u8* buffer) const {
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ResultVal<size_t> ROMFSFile::Read(const u64 offset, const size_t length, u8* buffer) const {
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LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
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romfs_file->Seek(data_offset + offset, SEEK_SET);
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size_t read_length = (size_t)std::min((u64)length, data_size - offset);
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@ -91,19 +86,19 @@ ResultVal<size_t> IVFCFile::Read(const u64 offset, const size_t length, u8* buff
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return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
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}
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ResultVal<size_t> IVFCFile::Write(const u64 offset, const size_t length, const bool flush,
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const u8* buffer) const {
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LOG_ERROR(Service_FS, "Attempted to write to IVFC file");
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ResultVal<size_t> ROMFSFile::Write(const u64 offset, const size_t length, const bool flush,
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const u8* buffer) const {
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LOG_ERROR(Service_FS, "Attempted to write to ROMFS file");
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// TODO(Subv): Find error code
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return MakeResult<size_t>(0);
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}
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u64 IVFCFile::GetSize() const {
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u64 ROMFSFile::GetSize() const {
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return data_size;
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}
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bool IVFCFile::SetSize(const u64 size) const {
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LOG_ERROR(Service_FS, "Attempted to set the size of an IVFC file");
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bool ROMFSFile::SetSize(const u64 size) const {
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LOG_ERROR(Service_FS, "Attempted to set the size of an ROMFS file");
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return false;
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}
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@ -1,4 +1,4 @@
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// Copyright 2014 Citra Emulator Project
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// Copyright 2018 yuzu emulator team
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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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@ -15,19 +15,16 @@
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#include "core/file_sys/file_backend.h"
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#include "core/hle/result.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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/**
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* Helper which implements an interface to deal with IVFC images used in some archives
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* This should be subclassed by concrete archive types, which will provide the
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* input data (load the raw IVFC archive) and override any required methods
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* Helper which implements an interface to deal with Switch .istorage ROMFS images used in some
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* archives This should be subclassed by concrete archive types, which will provide the input data
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* (load the raw ROMFS archive) and override any required methods
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*/
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class IVFCArchive : public ArchiveBackend {
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class ROMFSArchive : public ArchiveBackend {
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public:
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IVFCArchive(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
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ROMFSArchive(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
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: romfs_file(file), data_offset(offset), data_size(size) {}
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std::string GetName() const override;
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@ -50,9 +47,9 @@ protected:
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u64 data_size;
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};
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class IVFCFile : public FileBackend {
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class ROMFSFile : public FileBackend {
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public:
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IVFCFile(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
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ROMFSFile(std::shared_ptr<FileUtil::IOFile> file, u64 offset, u64 size)
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: romfs_file(file), data_offset(offset), data_size(size) {}
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ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
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@ -70,7 +67,7 @@ private:
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u64 data_size;
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};
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class IVFCDirectory : public DirectoryBackend {
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class ROMFSDirectory : public DirectoryBackend {
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public:
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u32 Read(const u32 count, Entry* entries) override {
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return 0;
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