RE: [cdt-dev] Variable number of args in a #define macro

[John Camelon <jcamelon@xxxxxxxxxx>]

Variadic macros are not part of the
ANSI spec, we haven't fully implemented all of the GCC extensions yet.
 
Ref: https://bugs.eclipse.org/bugs/show_bug.cgi?id=39688

JohnC
www.eclipse.org/cdt

cdt-dev-admin@xxxxxxxxxxx wrote on 07/29/2004 08:10:59
PM:

> This syntax doesn't seem to work either, it fails if more than one
args is
> passed to the macro :
> 
> #define DEBUGL(...) fprintf (stderr, ##__VA_ARGS__)
> 
> Or this, it fails if there is only one arg passed into the macro :
> 
> #define DEBUGL(format, ...) fprintf (stderr, format, ##__VA_ARGS__)
> 
> jmp 
> 
> > -----Original Message-----
> > From: cdt-dev-admin@xxxxxxxxxxx 
> > [mailto:cdt-dev-admin@xxxxxxxxxxx] On Behalf Of J. Matthew Pryor
> > Sent: Friday, July 30, 2004 9:52 AM
> > To: cdt-dev@xxxxxxxxxxx
> > Subject: [cdt-dev] Variable number of args in a #define macro
> > 
> > Using CDT 2.0 on Windows XP cygwin, I don't seem to be able 
> > to define a variable args macro that the C++ Indexer is happy
with
> > 
> > The macro definition looks like this:
> > #define DEBUGL(args...) fprintf (stderr, args)
> > 
> > The usage like this:
> > DEBUGL("MAIN loopCount %d", loopCount);
> > 
> > And the error:
> > C/C++ Indexer Problem: Macro usage error for macro : DEBUGL 
> > in file:  main.c on line: 75
> > 
> > Is there a way to do this? Should it work?
> > 
> > Thanks for any information
> > 
> > Matthew
> > 
> > _______________________________________________
> > cdt-dev mailing list
> > cdt-dev@xxxxxxxxxxx
> > http://dev.eclipse.org/mailman/listinfo/cdt-dev
> > 
> 
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