implement GetGlobalComment

stepmania/src/RageFileDriverZip.cpp

@@ -90,7 +90,8 @@ bool RageFileDriverZip::ReadEndCentralRecord( int &iTotalEntries, int &iCentralD
 	iTotalEntries = FileReading::read_16_le( *m_pZip, sError );
 	FileReading::read_32_le( *m_pZip, sError ); /* skip size of the central directory */
 	iCentralDirectoryOffset = FileReading::read_32_le( *m_pZip, sError );
-	FileReading::read_16_le( *m_pZip, sError ); /* skip zipfile comment length */
+	int iCommentLength = FileReading::read_16_le( *m_pZip, sError );
+	m_sComment = FileReading::ReadString( *m_pZip, iCommentLength, sError );
 
 	if( sError != "" )
 	{
@@ -357,11 +358,6 @@ void RageFileDriverZip::FlushDirCache( const RString &sPath )
 
 }
 
-RString RageFileDriverZip::GetGlobalComment() const
-{
-	ASSERT(0);
-}
-
 /*
  * Copyright (c) 2003-2005 Glenn Maynard.  All rights reserved.
  * All rights reserved.

stepmania/src/RageFileDriverZip.h

@@ -6,7 +6,6 @@
 #include "RageFileDriver.h"
 #include "RageThreads.h"
 
-struct end_central_dir_record;
 class RageFileDriverZip: public RageFileDriver
 {
 public:
@@ -40,7 +39,7 @@ public:
 	};
 	const FileInfo *GetFileInfo( const RString &sPath ) const;
 
-	RString GetGlobalComment() const;
+	RString GetGlobalComment() const { return m_sComment; }
 
 private:
 	bool m_bFileOwned;
@@ -49,6 +48,7 @@ private:
 	vector<FileInfo *> m_pFiles;
 
 	RString m_sPath;
+	RString m_sComment;
 
 	/* Open() must be threadsafe.  Mutex access to "zip", since we seek
 	 * around in it when reading files. */