Path: utzoo!mnetor!uunet!nuchat!sugar!peter
From: peter@sugar.UUCP (Peter da Silva)
Newsgroups: comp.lang.c
Subject: Re: comma operator
Message-ID: <1434@sugar.UUCP>
Date: 4 Feb 88 17:26:37 GMT
References: <3819@sigi.Colorado.EDU> <5080013@hpfcdc.HP.COM> <7120@brl-smoke.ARPA> <3887@sigi.Colorado.EDU>
Organization: Sugar Land UNIX - Houston, TX
Lines: 10

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))

It is dependent on order of evaluation of assignments. It might work on your
compiler, but it's not guaranteed.

What does "inline" do if you get it to inline a swap routine?
-- 
-- Peter da Silva  `-_-'  ...!hoptoad!academ!uhnix1!sugar!peter
-- Disclaimer: These U aren't mere opinions... these are *values*.