Added function GetCrc32ForString.

stepmania/src/RageUtil.cpp

@@ -286,6 +286,16 @@ void GetDirListing( CString sPath, CStringArray &AddTo, bool bOnlyDirs, bool bRe
 	::FindClose( hFind );
 }
 
+//-----------------------------------------------------------------------------
+// Name: GetCrc32ForString( CString s)
+// Desc: Coerces CString into an unsigned char array and runs CRC-32 on it.
+//-----------------------------------------------------------------------------
+unsigned int GetCrc32ForString( CString s )
+{
+	// A CString has built in length data! Isn't that great?
+	return GetCrc32((unsigned char*)s.GetBuffer(s.GetLength()), s.GetLength());
+}
+
 //-----------------------------------------------------------------------------
 // Name: GetHashForString( CString s )
 // Desc: This new version of GetHashForString uses a stronger hashing algorithm

stepmania/src/RageUtil.h

@@ -98,6 +98,7 @@ CString join(
 
 void GetDirListing( CString sPath, CStringArray &AddTo, bool bOnlyDirs=false, bool bReturnPathToo=false );
 int GetHashForString( CString s );
+unsigned int GetCrc32ForString( CString s );
 int GetHashForFile( CString sPath );
 int GetHashForDirectory( CString sDir );	// a hash value that remains the same as long as nothing in the directory has changed