Filesystem: Return file list reference instead of modifying argument

Source/Core/DiscIO/DiscScrubber.cpp

@@ -274,9 +274,6 @@ bool ParsePartitionData(SPartition& _rPartition)
 	}
 	else
 	{
-		std::vector<const SFileInfo *> Files;
-		size_t numFiles = filesystem->GetFileList(Files);
-
 		// Mark things as used which are not in the filesystem
 		// Header, Header Information, Apploader
 		ReadFromVolume(0x2440 + 0x14, 4, _rPartition.Header.ApploaderSize, true);
@@ -305,18 +302,14 @@ bool ParsePartitionData(SPartition& _rPartition)
 			, _rPartition.Header.FSTSize);
 
 		// Go through the filesystem and mark entries as used
-		for (size_t currentFile = 0; currentFile < numFiles; currentFile++)
+		for (SFileInfo file : filesystem->GetFileList())
 		{
-			DEBUG_LOG(DISCIO, "%s", currentFile ? (*Files.at(currentFile)).m_FullPath.c_str() : "/");
+			DEBUG_LOG(DISCIO, file.m_FullPath.empty() ? "/" : file.m_FullPath.c_str());
 			// Just 1byte for directory? - it will end up reserving a cluster this way
-			if ((*Files.at(currentFile)).m_NameOffset & 0x1000000)
-				MarkAsUsedE(_rPartition.Offset
-				+ _rPartition.Header.DataOffset
-				, (*Files.at(currentFile)).m_Offset, 1);
+			if (file.m_NameOffset & 0x1000000)
+				MarkAsUsedE(_rPartition.Offset + _rPartition.Header.DataOffset, file.m_Offset, 1);
 			else
-				MarkAsUsedE(_rPartition.Offset
-				+ _rPartition.Header.DataOffset
-				, (*Files.at(currentFile)).m_Offset, (*Files.at(currentFile)).m_FileSize);
+				MarkAsUsedE(_rPartition.Offset + _rPartition.Header.DataOffset, file.m_Offset, file.m_FileSize);
 		}
 	}
 

Source/Core/DiscIO/FileMonitor.cpp

@@ -27,7 +27,6 @@ namespace FileMon
 
 static DiscIO::IVolume *OpenISO = nullptr;
 static DiscIO::IFileSystem *pFileSystem = nullptr;
-static std::vector<const DiscIO::SFileInfo *> DiscFiles;
 static std::string ISOFile = "", CurrentFile = "";
 static bool FileAccess = true;
 
@@ -73,8 +72,6 @@ void ReadFileSystem(const std::string& filename)
 		pFileSystem = nullptr;
 	}
 
-	// DiscFiles' pointers are no longer valid after pFileSystem is cleared
-	DiscFiles.clear();
 	OpenISO = DiscIO::CreateVolumeFromFilename(filename);
 	if (!OpenISO)
 		return;
@@ -85,8 +82,6 @@ void ReadFileSystem(const std::string& filename)
 
 		if (!pFileSystem)
 			return;
-
-		pFileSystem->GetFileList(DiscFiles);
 	}
 
 	FileAccess = true;
@@ -166,9 +161,6 @@ void Close()
 		pFileSystem = nullptr;
 	}
 
-	// DiscFiles' pointers are no longer valid after pFileSystem is cleared
-	DiscFiles.clear();
-
 	ISOFile = "";
 	CurrentFile = "";
 	FileAccess = true;

Source/Core/DiscIO/FileSystemGCWii.cpp

@@ -215,18 +215,12 @@ std::string CFileSystemGCWii::GetStringFromOffset(u64 _Offset) const
 	return SHIFTJISToUTF8(data);
 }
 
-size_t CFileSystemGCWii::GetFileList(std::vector<const SFileInfo *> &_rFilenames)
+const std::vector<SFileInfo>& CFileSystemGCWii::GetFileList()
 {
 	if (!m_Initialized)
 		InitFileSystem();
 
-	if (_rFilenames.size())
-		PanicAlert("GetFileList : input list has contents?");
-	_rFilenames.clear();
-	_rFilenames.reserve(m_FileInfoVector.size());
-	for (auto& fileInfo : m_FileInfoVector)
-		_rFilenames.push_back(&fileInfo);
-	return m_FileInfoVector.size();
+	return m_FileInfoVector;
 }
 
 const SFileInfo* CFileSystemGCWii::FindFileInfo(const std::string& _rFullPath)

Source/Core/DiscIO/FileSystemGCWii.h

@@ -23,7 +23,7 @@ public:
 	virtual ~CFileSystemGCWii();
 	virtual bool IsValid() const override { return m_Valid; }
 	virtual u64 GetFileSize(const std::string& _rFullPath) override;
-	virtual size_t GetFileList(std::vector<const SFileInfo *> &_rFilenames) override;
+	virtual const std::vector<SFileInfo>& GetFileList() override;
 	virtual const std::string GetFileName(u64 _Address) override;
 	virtual u64 ReadFile(const std::string& _rFullPath, u8* _pBuffer, size_t _MaxBufferSize) override;
 	virtual bool ExportFile(const std::string& _rFullPath, const std::string&_rExportFilename) override;

Source/Core/DiscIO/Filesystem.h

@@ -43,7 +43,7 @@ public:
 
 	virtual ~IFileSystem();
 	virtual bool IsValid() const = 0;
-	virtual size_t GetFileList(std::vector<const SFileInfo *> &_rFilenames) = 0;
+	virtual const std::vector<SFileInfo>& GetFileList() = 0;
 	virtual u64 GetFileSize(const std::string& _rFullPath) = 0;
 	virtual u64 ReadFile(const std::string& _rFullPath, u8* _pBuffer, size_t _MaxBufferSize) = 0;
 	virtual bool ExportFile(const std::string& _rFullPath, const std::string& _rExportFilename) = 0;