Fixed warnings on Linux where GCC under padantic complained ISO C casting wasn't...
[freeglut] / src / fg_menu.c
index ae7405c..daad294 100644 (file)
@@ -795,18 +795,19 @@ int FGAPIENTRY glutCreateMenuUcall( FGCBMenuUC callback, FGCBUserData userData )
 /* Standard glutCreateMenu */
 static void fghCreateMenuCallback( int menu, FGCBUserData userData )
 {
-    FGCBMenu callback = (FGCBMenu)userData;
-    callback( menu );
+    FGCBMenu* callback = (FGCBMenu*)&userData;
+    (*callback)( menu );
 }
 
 int FGAPIENTRY glutCreateMenu( FGCBMenu callback )
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateMenu" );
     if (!callback)
-       {
+    {
         return glutCreateMenuUcall( NULL, NULL );
-       }
-    return glutCreateMenuUcall( fghCreateMenuCallback, (FGCBUserData)callback );
+    }
+    FGCBMenu* reference = &callback;
+    return glutCreateMenuUcall( fghCreateMenuCallback, *((FGCBUserData*)reference) );
 }
 
 /*