add RageFileDriverSlice::DeleteFileWhenFinished

stepmania/src/RageFileDriverSlice.cpp

@@ -7,16 +7,19 @@ RageFileDriverSlice::RageFileDriverSlice( RageFileBasic *pFile, int iOffset, int
 	m_iOffset = iOffset;
 	m_iFileSize = iFileSize;
 	m_iFilePos = 0;
+	m_bFileOwned = false;
 }
 
 RageFileDriverSlice::~RageFileDriverSlice()
 {
-	delete m_pFile;
+	if( m_bFileOwned )
+		delete m_pFile;
 }
 
 RageFileBasic *RageFileDriverSlice::Copy() const
 {
 	RageFileDriverSlice *pRet = new RageFileDriverSlice( m_pFile->Copy(), m_iOffset, m_iFileSize );
+	pRet->m_bFileOwned = true;
 	pRet->m_iFilePos = m_iFilePos;
 	return pRet;
 }

stepmania/src/RageFileDriverSlice.h

@@ -13,6 +13,8 @@ public:
 	~RageFileDriverSlice();
 	RageFileBasic *Copy() const;
 
+	void DeleteFileWhenFinished() { m_bFileOwned = true; }
+
 	int ReadInternal( void *pBuffer, size_t iBytes );
 	int WriteInternal( const void *pBuffer, size_t iBytes ) { SetError( "Not implemented" ); return -1; }
 	int SeekInternal( int iOffset );
@@ -22,6 +24,7 @@ private:
 	RageFileBasic *m_pFile;
 	int m_iFilePos;
 	int m_iOffset, m_iFileSize;
+	bool m_bFileOwned;
 };
 
 #endif

stepmania/src/RageFileDriverZip.cpp

@@ -366,7 +366,9 @@ RageFileBasic *RageFileDriverZip::Open( const CString &path, int mode, int &err
 
 	zip.Seek( info->data_offset );
 
-	RageFileBasic *pFile = new RageFileDriverSlice( zip.Copy(), info->data_offset, info->compr_size );
+	RageFileDriverSlice *pFile = new RageFileDriverSlice( zip.Copy(), info->data_offset, info->compr_size );
+	pFile->DeleteFileWhenFinished();
+	
 	switch( info->compression_method )
 	{
 	case STORED: