Path: utzoo!mnetor!uunet!husc6!linus!philabs!pwa-b!mmintl!franka
From: franka@mmintl.UUCP (Frank Adams)
Newsgroups: comp.lang.c
Subject: Re: comma operator
Message-ID: <2686@mmintl.UUCP>
Date: 26 Jan 88 01:47:41 GMT
References: <3819@sigi.Colorado.EDU> <5080013@hpfcdc.HP.COM> <7120@brl-smoke.ARPA> <7137@brl-smoke.ARPA> <2382@ihuxv.ATT.COM>
Reply-To: franka@mmintl.UUCP (Frank Adams)
Organization: Multimate International, E. Hartford, CT.
Lines: 10

In article <2382@ihuxv.ATT.COM> rck@ihuxv.ATT.COM (R. C. Kukuk) writes:
|> In article <3887@sigi.Colorado.EDU> swarbric@tramp.Colorado.EDU (SWARBRICK FRANCIS JOHN) writes:
|> >#define swap(a,b) ((a) = ((b) = ((a) = (a) ^ (b)) ^ (b)) ^ (a))
|This oldie fails when a == b.

I believe you mean &a == &b.
-- 

Frank Adams                           ihnp4!philabs!pwa-b!mmintl!franka
Ashton-Tate          52 Oakland Ave North         E. Hartford, CT 06108