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From: landman@hanami.Eng.Sun.COM (Howard A. Landman)
Newsgroups: rec.games.mud,comp.sys.ibm.pc.rt
Subject: Re: small bug in LPMUD 2.4.5
Message-ID: <12543@exodus.Eng.Sun.COM>
Date: 30 Apr 91 18:29:45 GMT
References: <3053@krafla.rhi.hi.is>
Sender: news@exodus.Eng.Sun.COM
Followup-To: rec.games.mud
Organization: Sun Microsystems, Mt. View, Ca.
Lines: 19

In article <3053@krafla.rhi.hi.is> frisk@rhi.hi.is (Fridrik Skulason) writes:
>It seems the RS/6000 C compiler does not like statements of the form
>
>	ptr = const + ptr2
>
>atlthough
>
>	ptr = ptr2 + const   or   ptr = &ptr2[const]
>
>are ok.

This is a compiler bug.  The two forms are specifically stated to be
equivalent in K&R.  Addition is commutative, period.  In fact,
technically, &const[ptr2] should work, although there are LOTS of
compilers that choke on that.

--
	Howard A. Landman
	landman@eng.sun.com -or- sun!landman