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From: chips@usfvax2.UUCP (Chip Salzenberg)
Newsgroups: comp.lang.c
Subject: Re: Style question re common C expression.
Message-ID: <782@usfvax2.UUCP>
Date: Mon, 22-Jun-87 17:00:44 EDT
Article-I.D.: usfvax2.782
Posted: Mon Jun 22 17:00:44 1987
Date-Received: Thu, 25-Jun-87 03:11:49 EDT
References: <4934@utcsri.UUCP> <8164@utzoo.UUCP>
Organization: AT Engineering, Tampa, FL
Lines: 14
Keywords: STREQ
Summary: When are parens needed on macro parameters?

In article <8164@utzoo.UUCP>, henry@utzoo.UUCP writes:
> > ... like the standard "#define STREQ(s,t)(strcmp(s,t) == 0)"?
> 
> [Note:]
> First, that should be "(strcmp((s),(t)) == 0)" for safety's sake, although
> in this case trouble is unlikely.

I can't think of any situation which could break the macro given by Henry.
In a spirit of curiosity -- can you come up with an invocation of the above-
quoted "STREQ(s,t) (strcmp(s,t)==0)" macro that would not behave as expected?
-- 
Chip Salzenberg		    Address: "{gatech,cbatt,akgua}!usfvax2!ateng!chip"
AT Engineering, Tampa, FL   Redress: "chips@usfvax2.UUCP"
"Use the Source, Luke!"	    My opinions do not necessarily agree with anything.