HexToBinary for RString -> RString

stepmania/src/RageUtil.cpp

@@ -178,6 +178,12 @@ bool HexToBinary( const RString &s, unsigned char *stringOut )
        return true;
 }
 
+bool HexToBinary( const RString &s, RString &sOut )
+{
+	sOut.resize(s.size() / 2);
+	return HexToBinary(s, (unsigned char *) sOut.data());
+}
+
 float HHMMSSToSeconds( const RString &sHHMMSS )
 {
 	vector<RString> arrayBits;

stepmania/src/RageUtil.h

@@ -337,6 +337,7 @@ bool IsHexVal( const RString &s );
 RString BinaryToHex( const void *pData_, int iNumBytes );
 RString BinaryToHex( const RString &sString );
 bool HexToBinary( const RString &s, unsigned char *stringOut );
+bool HexToBinary( const RString &s, RString &sOut );
 float HHMMSSToSeconds( const RString &sHMS );
 RString SecondsToHHMMSS( float fSecs );
 RString SecondsToMSSMsMs( float fSecs );