On Thu, Apr 24, 2008 at 9:26 PM, Herb Petschauer <[EMAIL PROTECTED]> wrote: > Yes, good point. I _thought_ there was a good example of why to use > the while false pattern but it's so far back in time that I can't > recall it. The only thing that I can find is > <http://c-faq.com/cpp/multistmt.html> which really doesn't apply in > this example. > > Ah well, I know I've been burned by this but it may have just been a > by product of using it for a different kind of macro under a different > compiler.
It's only useful for multi-statement macros. The idea is that a macro looks like a single statement so it should act like one, and do/while(0) is the only way in C to transform a sequence of statements into a single statement. If your macro is already a single statement then it doesn't do anything particularly interesting. Mike _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
