On Sun, May 04, 2008 at 08:34:30AM -0700, Unga wrote: > > --- Roland Smith <[EMAIL PROTECTED]> wrote: > > > On Sun, May 04, 2008 at 07:02:36AM -0700, Patrick > > Clochesy wrote: > > > What about using a macro (...) in front of the > > function to csll it which > > > passes __VARARGS__, NULL to ensure there is always > > a trailing NULL? I think > > > this would at least work in GCC... Can' test on my > > phone though. > > > > That's a good idea. If one uses __VA_ARGS__ instead > > of __VARARGS__, it > > should work with any C99 compliant compiler, > > including gcc.
> I gave it a try, but I cannot get it to work:
> (As per above wikipedia example)
>
> void realdprintf (char const *file, int line, char
> const *fmt, ...);
> #define dprintf(...) realdprintf(__FILE__, __LINE__,
> __VA_ARGS__)
>
> To solve my problem, I must be able to indicate the
> end of the arg list, may be by a empty string (""),
> but GNU C compiler does not allow to specify anything
> after the ... .
Try something like what Patrick suggested:
#define f(...) _f(__VA_ARGS__,NULL)
Roland
--
R.F.Smith http://www.xs4all.nl/~rsmith/
[plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated]
pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725)
pgp9mvXJN9jch.pgp
Description: PGP signature
