forked from dolphin-emu/dolphin
c7e747d775
Callers can now check whether reads fail, either by checking the return value or by setting the buffer to a known bad value and seeing if it stays untouched. I've added error checks to FileSystemGCWii and Boot_BS2Emu, but not to Boot since it doesn't check any of its other reads either.
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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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 <vector>
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#include "Common/CommonTypes.h"
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namespace DiscIO
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{
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class IVolume;
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// file info of an FST entry
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struct SFileInfo
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{
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u64 m_NameOffset = 0u;
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u64 m_Offset = 0u;
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u64 m_FileSize = 0u;
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std::string m_FullPath;
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bool IsDirectory() const { return (m_NameOffset & 0xFF000000) != 0; }
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SFileInfo(u64 name_offset, u64 offset, u64 filesize) :
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m_NameOffset(name_offset),
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m_Offset(offset),
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m_FileSize(filesize)
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{ }
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SFileInfo (SFileInfo const&) = default;
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SFileInfo () = default;
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};
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class IFileSystem
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{
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public:
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IFileSystem(const IVolume *_rVolume);
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virtual ~IFileSystem();
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virtual bool IsValid() const = 0;
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virtual const std::vector<SFileInfo>& GetFileList() = 0;
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virtual u64 GetFileSize(const std::string& _rFullPath) = 0;
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virtual u64 ReadFile(const std::string& _rFullPath, u8* _pBuffer, u64 _MaxBufferSize, u64 _OffsetInFile = 0) = 0;
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virtual bool ExportFile(const std::string& _rFullPath, const std::string& _rExportFilename) = 0;
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virtual bool ExportApploader(const std::string& _rExportFolder) const = 0;
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virtual bool ExportDOL(const std::string& _rExportFolder) const = 0;
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virtual const std::string GetFileName(u64 _Address) = 0;
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virtual u64 GetBootDOLOffset() const = 0;
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virtual u32 GetBootDOLSize(u64 dol_offset) const = 0;
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protected:
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const IVolume *m_rVolume;
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};
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std::unique_ptr<IFileSystem> CreateFileSystem(const IVolume* volume);
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} // namespace
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