X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;ds=inline;f=src%2Ffreeglut_internal.h;h=ea311b6be9014a8d9ade3785e0548c2004d5bc65;hb=fbc36ed71c03ab6aa7b06919d57abfe12b471e18;hp=f74b71c2d7e33f6825fcf0f12257f618cdc7424c;hpb=6af9cb78643b6b461c8886cb1ec6f935c8107429;p=freeglut

diff --git a/src/freeglut_internal.h b/src/freeglut_internal.h
index f74b71c..ea311b6 100644
--- a/src/freeglut_internal.h
+++ b/src/freeglut_internal.h
@@ -389,13 +389,14 @@ struct tagSFG_WindowState
  *
  */
 #define INVOKE_WCB(window,cbname,arg_list)    \
+do                                            \
 {                                             \
     if( FETCH_WCB( window, cbname ) )         \
     {                                         \
         fgSetWindow( &window );               \
         FETCH_WCB( window, cbname ) arg_list; \
     }                                         \
-}
+} while( 0 )
 
 /*
  * The window callbacks the user can supply us with. Should be kept portable.