From: "Bruce Korb" <bkorb@gnu.org>
Subject: Re: Unnecessary warnings
Date: Mon, 25 Sep 2006 07:43:50 -0700 [thread overview]
Message-ID: <668c430c0609250743y6a5249caqae229d91f6c29ccb@mail.gmail.com> (raw)
In-Reply-To: <87mz8o2w9x.fsf@laas.fr>
On 9/25/06, Ludovic Courtès <ludovic.courtes@laas.fr> wrote:
> Hi,
>
> Bruce Korb <bkorb@gnu.org> writes:
>
> > /usr/local/gnu/include/libguile/smob.h:149: warning: declaration of 'free' shadows a global declaration
> > /usr/local/gnu/include/libguile/filesys.h:75: warning: declaration of 'dirname' shadows a global declaration
> > /usr/local/gnu/include/libguile/ports.h:233: warning: declaration of 'write' shadows a global declaration
> > /usr/local/gnu/include/libguile/ports.h:254: warning: declaration of 'truncate' shadows a global declaration
> > /usr/local/gnu/include/libguile/numbers.h:258: warning: declaration of 'div' shadows a global declaration
> > /usr/local/gnu/include/libguile/stime.h:55: warning: declaration of 'time' shadows a global declaration
> > /usr/include/iso/time_iso.h:91: warning: shadowed declaration is here
> > /usr/local/gnu/include/libguile/stime.h:56: warning: declaration of 'time' shadows a global declaration
> > /usr/include/iso/time_iso.h:91: warning: shadowed declaration is here
> > /usr/local/gnu/include/libguile/stime.h:60: warning: declaration of 'stime' shadows a global declaration
> >
> > These are all due to argument names in prototype declarations.
>
> What compiler issues those messages? To me, it looks like the compiler
> is kind of broken, because there's no reason (AFAIK) there can be name
> clashes between argument names and global declarations.
GCC on Solaris. I agree that it is just a documentation name and serves
no other purpose, but there it is. I do like -Wshadow, but it is not so useful
if cluttered up with these spurious messages. As for the "function is not
a prototype" messages, having a typedef for the particular procedure profile
being passed around allows for better profile matching in the calling code
anyway. It also cleans up the appearance of your prototype.
Thanks! - Bruce
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next prev parent reply other threads:[~2006-09-25 14:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-24 15:42 Unnecessary warnings Bruce Korb
2006-09-25 8:19 ` Ludovic Courtès
2006-09-25 14:43 ` Bruce Korb [this message]
2006-09-25 14:53 ` Ludovic Courtès
2006-09-25 14:59 ` Bruce Korb
2006-09-25 22:33 ` Kevin Ryde
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