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Date:      Thu, 6 Jan 2000 17:34:25 -0500 (EST)
From:      Thomas David Rivers <rivers@dignus.com>
To:        brian@Awfulhak.org, wollman@khavrinen.lcs.mit.edu
Cc:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: bin/15906: rcmd(3) prototype disagrees with definition
Message-ID:  <200001062234.RAA61468@lakes.dignus.com>
In-Reply-To: <200001061927.TAA00473@hak.lan.Awfulhak.org>

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> From owner-freebsd-bugs@FreeBSD.ORG Thu Jan  6 17:21:32 2000
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> X-Mailer: exmh version 2.1.0 09/18/1999
> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
> Cc: freebsd-bugs@FreeBSD.ORG
> Subject: Re: bin/15906: rcmd(3) prototype disagrees with definition 
> In-Reply-To: Message from Garrett Wollman <wollman@khavrinen.lcs.mit.edu> 
>    of "Wed, 05 Jan 2000 09:40:02 PST." <200001051740.JAA13901@freefall.freebsd.org> 
> Date: Thu, 06 Jan 2000 19:27:52 +0000
> From: Brian Somers <brian@Awfulhak.org>
> Sender: owner-freebsd-bugs@FreeBSD.ORG
> X-Loop: FreeBSD.org
> Precedence: bulk
> Status: R
> 
> > The following reply was made to PR bin/15906; it has been noted by GNATS.
> > 
> > From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
> > To: naddy@mips.rhein-neckar.de
> > Cc: FreeBSD-gnats-submit@FreeBSD.ORG
> > Subject: bin/15906: rcmd(3) prototype disagrees with definition
> > Date: Wed, 5 Jan 2000 12:30:19 -0500 (EST)
> > 
> >  <<On Wed, 5 Jan 2000 15:01:35 +0100 (CET), Christian Weisgerber <naddy@mips.rhein-neckar.de> said:
> >  
> >  >> Synopsis:       rcmd(3) prototype disagrees with definition
> >  
> >  No, it does not.
> >  
> >  >     int rcmd __P((char **, int, const char *,
> >  >                   const char *, const char *, int *));
> >  
> >  This is the correct prototype for a declaration of the form:
> >  
> >  >     int
> >  >     rcmd(ahost, rport, locuser, remuser, cmd, fd2p)
> >  >         char **ahost;
> >  >         u_short rport;
> >  >         const char *locuser, *remuser, *cmd;
> >  >         int *fd2p;
> >  
> >  > Which instances should be fixed?
> >  
> >  Neither.  Please read a text on Standard C, such as K&R or H&S.
> 
> Am I missing something ?  The function definition, man page and 
> header file should be consistent.  ``int'' != ``u_short'' 
> irrespective of promotions.  u_short is correct (although I don't know 
> what posix has to say about it).
> 
> >  -GAWollman
> 
> -- 
> Brian <brian@Awfulhak.org>                        <brian@FreeBSD.org>
>       <http://www.Awfulhak.org>;                   <brian@OpenBSD.org>
> Don't _EVER_ lose your sense of humour !          <brian@FreeBSD.org.uk>
> 

 According to ANSI C - a u_short in an old-style header declaration
 has to match with an `int' in a prototype.

 If you put u_short in the prototype, and then had an old-style
 header with u_int in it - the compiler should complain about
 a redeclaration of the function.

	- Dave Rivers -




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