Path: utzoo!attcan!uunet!snorkelwacker!bloom-beacon!raeburn
From: raeburn@athena.mit.edu (Ken Raeburn)
Newsgroups: comp.sys.ibm.pc.rt
Subject: Re: Problem with hc
Message-ID: <1989Nov26.040925.16696@athena.mit.edu>
Date: 26 Nov 89 04:09:25 GMT
References: <1732@mathrt0.math.chalmers.se>
Sender: news@athena.mit.edu (News system)
Reply-To: raeburn@athena.mit.edu (Ken Raeburn)
Organization: Massachusetts Institute of Technology
Lines: 24

In article <1732@mathrt0.math.chalmers.se> olovsson@ce.chalmers.se writes:
>I have problems with hc accepting constructions like:
>    main()
>    {
>	int i;
>	(int)i = 0;
>    }
...
>All other C-compilers seem to accept this construction. For hc the line has to
>be changed to:
>
>    ((int) i) = 0;
>
>Is this correct (or intentional)?

I would hope that the former "problem" is intentional; it is correct.

The latter construct is essentially the same as the first.  It is also
incorrect, and the compiler should have complained.

Casts do not produce lvalues; you cannot assign to their results.
(See the proposed ANSI C standard, section 3.3.4, Cast Operators.)

-- Ken