On Mon, 03 Jul 2006 19:27:07 +0200 Arjan van de Ven wrote:
> On Mon, 2006-07-03 at 10:13 -0700, Linus Torvalds wrote:
> > #ifndef xyzzy
> > #define zyzzy() /* empty */
> > #endif
> >
>
> now if you write it as
>
> #define zyzzy() do { ; } while (0)
>
> it even works in a
>
> if (foo())
> zyzzy();
> bar();
>
> scenario
>
> (I know you know that, just pointing that out before people copy your
> example :-)
OK, I'll bite. What part of Linus's macro doesn't work.
I compiled your foo/zyzzy/bar example with both his "empty"
macro and the do-while macro. Same code produced both ways,
no compile warnings/errors.
---
~Randy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
