Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!caen.engin.umich.edu!ejd
From: ejd@caen.engin.umich.edu (Edward J Driscoll)
Newsgroups: comp.lang.c
Subject: Re: lint won't verify printf formatting against variable types??
Keywords: lint, cc
Message-ID: <441a30e5.8f55@fiero.engin.umich.edu>
Date: 28 Jun 89 15:13:00 GMT
References: <328@tree.UUCP> <417@siswat.UUCP>
Reply-To: ejd@caen.engin.umich.edu (Edward J Driscoll)
Organization: caen
Lines: 30

In article <411@isadora.ikp.liu.se> 
hacker@isadora.ikp.liu.se (Goran Larsson [Hacker of Hackefors]) writes:
>In article <105@borabora.omni.com> bob@omni.com (Bob Weissman) writes:
>>Last week I spent an entire day tracking down one of those bugs you just
>>don't see after staring at your code too long.  It was of the form:
>>
>>	if (condition);
>>	    action;
>
>>My lint (SunOS 4.0.1 version) did not flag the extra semicolon.
>
>It isn't supposed to find this "error" as it is legal C.
>

It is legal, but I would hope for a warning from such an obvious
semantic error.  I don't use lint much, but Borland TC 2.0 will
warn you about some *legal* constructs like "if(x = 5)".  Oddly, I
just tried it and it also lets "if(x==5);" get by without a peep.
Oh well.

>>I Hate C.
>
>I Love C
 ^^^^^^^^^^^---->me too


-- 
Ed Driscoll
The University of Michigan
ejd@caen.engin.umich.edu