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More explicit argument list for INVOKE_WCB callbacks

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This commit is contained in:
Rcmaniac25 2016-01-16 13:17:07 -05:00
parent fd9fa6745d
commit 38364b1952
2 changed files with 12 additions and 5 deletions
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15
freeglut/freeglut/src/fg_internal.h
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@ -714,7 +714,13 @@ do \
* typedef void (* FGCBEntryUC)( int, FGCBUserData );
* #define EXPAND_WCB_SUB_Entry(args, userData) EXPAND_WCB_ONE_OR_MORE(args, userData)
*/
#define FG_COMPILER_SUPPORTS_VA_ARGS
#ifdef FG_COMPILER_SUPPORTS_VA_ARGS
#define EXPAND_WCB_UNPARAN(...) __VA_ARGS__
#else
#error "Compiler does not support varadic argument macros"
#endif
#define EXPAND_WCB_ZERO(args, userData) ( userData )
#define EXPAND_WCB_ONE_OR_MORE(args, userData) ( EXPAND_WCB_UNPARAN args, userData )
@ -732,9 +738,10 @@ do \
*
* The callback is invoked as:
*
* callback( arg_list );
* callback( arg_list, userData );
*
* ...so the parentheses are REQUIRED in the {arg_list}.
* ...where userData is added to the arg_list, but the parentheses
* are REQUIRED in the {arg_list}.
*
* NOTE that it does a sanity-check and also sets the
* current window.
@ -749,7 +756,7 @@ do \
FGCB ## cbname ## UC func = (FGCB ## cbname ## UC)(FETCH_WCB( window, cbname )); \
FGCBUserData userData = FETCH_USER_DATA_WCB( window, cbname ); \
fgSetWindow( &window ); \
func EXPAND_WCB( cbname )( arg_list, userData ); \
func EXPAND_WCB( cbname )( arg_list, userData ); \
} \
} while( 0 )
#else
@ -760,7 +767,7 @@ do \
{ \
fgSetWindow( &window ); \
FGCBUserData userData = FETCH_USER_DATA_WCB( window, cbname ); \
((FGCB ## cbname ## UC)FETCH_WCB( window, cbname )) EXPAND_WCB( cbname )( arg_list, userData ); \
((FGCB ## cbname ## UC)FETCH_WCB( window, cbname )) EXPAND_WCB( cbname )( arg_list, userData ); \
} \
} while( 0 )
#endif

2
freeglut/freeglut/src/fg_main.c
View File

@ -400,7 +400,7 @@ void fgProcessWork(SFG_Window *window)
fgPlatformInitWork(window);
/* Call init context callback */
INVOKE_WCB( *window, InitContext, ());
INVOKE_WCB( *window, InitContext, ( ) );
/* Lastly, check if we have a display callback, error out if not
* This is the right place to do it, as the redisplay will be