From:	mert0407 AT sable DOT ox DOT ac DOT uk (George Foot)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: v2 funnies
Date:	Fri, 06 Dec 1996 00:24:49 GMT
Organization:	Oxford University
Lines:	16
Message-ID:	<32a7674d.11527979@news.ox.ac.uk>
References:	<1119426E71 AT fs2 DOT mt DOT umist DOT ac DOT uk>
NNTP-Posting-Host:	mc31.merton.ox.ac.uk
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

On Thu, 5 Dec 1996 11:41:29 GMT, "A.Appleyard"
<A DOT APPLEYARD AT fs2 DOT mt DOT umist DOT ac DOT uk> wrote:

(1) Never noticed it, but I tend to use fopen instead of open...

>  (2) How can I look through a big Gnu C++ program for unused functions and
>global variables? I was once advised to use NM, which I just did; but I could
>not see in its output anything that told me whether each symbol is ever
>referred to or not.

If you compile the program with -Wall (I think) it will point out
unused variables, and the lines they are declared on. You might also
need to turn on optimisations (e.g. -O2). Note that gcc will ignore
these unused parameters/variables anyway.

George Foot

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