Path: utzoo!mnetor!uunet!ncc!alberta!ubc-cs!grads.cs.ubc.ca!pajari
From: pajari@grads.cs.ubc.ca (George Pajari)
Newsgroups: comp.lang.c
Subject: C Style (Was Re: == vs =)
Message-ID: <1982@ubc-cs.UUCP>
Date: 12 Apr 88 07:55:18 GMT
References: <11216@brl-adm.ARPA> <2111@chinet.UUCP> <4403@garfield.UUCP> <226@hotlr.ATT> <130@obie.UUCP> <5981@utcsri.UUCP>
Sender: nobody@ubc-cs.UUCP
Reply-To: pajari@grads.cs.ubc.ca (George Pajari)
Organization: UBC Department of Computer Science, Vancouver, B.C., Canada
Lines: 19


In article <130@obie.UUCP> wes@obie.UUCP (Barnacle Wes) writes:
>... `=' is NOT always invalid in an if clause:
>
>    if (status = *statreg) {

Article <5981@utcsri.UUCP> by flaps@utcsri.UUCP (Alan J Rosenthal)
> ... better written as "if ((status = *statreg))"
> some people even recommend "if ((status = *statreg), status)"

What is wrong with:

	if ((status = *statreg) != NULL)...

Most compilers I've tried generate the same code as for the original and
this version (I claim) is the most readble (i.e. scanned quickly by a human
with the fewest resulting semantic errors) of the three.

George Pajari