Path: utzoo!attcan!uunet!mtxinu!ed
From: ed@mtxinu.UUCP (Ed Gould)
Newsgroups: comp.unix.wizards
Subject: Re: #defines with variable # arguments
Message-ID: <604@mtxinu.UUCP>
Date: 17 May 88 18:03:14 GMT
References: <2855@phoenix.Princeton.EDU> <52949@sun.uucp> <152@hropus.UUCP> <2097@rtech.UUCP>
Reply-To: ed@mtxinu.UUCP (Ed Gould)
Distribution: na
Organization: mt Xinu, Berkeley
Lines: 17

>If you do 
>
>#define Dprintf	if(Debug) printf
>
>you don't get any warnings; you do get possible dangling else problems. 

To avoid the dangling-else problem, use

	#define	Dprintf	if(Debug == 0); else printf

for the same effect.

-- 
Ed Gould                    mt Xinu, 2560 Ninth St., Berkeley, CA  94710  USA
{ucbvax,uunet}!mtxinu!ed    +1 415 644 0146

"I'll fight them as a woman, not a lady.  I'll fight them as an engineer."