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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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11
freeglut/freeglut/src/fg_internal.h
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@ -714,7 +714,13 @@ do \
* typedef void (* FGCBEntryUC)( int, FGCBUserData ); * typedef void (* FGCBEntryUC)( int, FGCBUserData );
* #define EXPAND_WCB_SUB_Entry(args, userData) EXPAND_WCB_ONE_OR_MORE(args, userData) * #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__ #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_ZERO(args, userData) ( userData )
#define EXPAND_WCB_ONE_OR_MORE(args, userData) ( EXPAND_WCB_UNPARAN args, userData ) #define EXPAND_WCB_ONE_OR_MORE(args, userData) ( EXPAND_WCB_UNPARAN args, userData )
@ -732,9 +738,10 @@ do \
* *
* The callback is invoked as: * 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 * NOTE that it does a sanity-check and also sets the
* current window. * current window.