From owner-cvs-all  Tue Sep 25  8:37:14 2001
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To: Bruce Evans <bde@zeta.org.au>
Subject: Re: cvs commit: src/usr.sbin/sysinstall command.c config.c 
Cc: Bakul Shah <bakul@bitblocks.com>,
	Murray Stokely <murray@FreeBSD.org>, cvs-committers@FreeBSD.org,
	cvs-all@FreeBSD.org
In-reply-to: Your message of "Tue, 25 Sep 2001 17:18:30 +1000."
		<20010925170814.I28548-100000@delplex.bde.org> 
References: <20010925170814.I28548-100000@delplex.bde.org>  
Date: Tue, 25 Sep 2001 09:37:01 -0600
From: Warner Losh <imp@harmony.village.org>
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In message <20010925170814.I28548-100000@delplex.bde.org> Bruce Evans writes:
: On Mon, 24 Sep 2001, Bakul Shah wrote:
: 
: > I never understood the restriction of why a function ptr
: > can't be cast to void*.  It is not like you are going to
: > create self-modifying functions.....
: 
: It's because function pointers might be larger than "void *".  E.g., on
: i386's in real mode (or in protected mode using "far" pointers), function
: pointers might be "far" and "void *" might be "near".
: 
: > Using %x or %lx for
: > printing a fn ptr is as wrong as using %p.  And to me %p is
: > likely to be the better choice.
: 
: All are wrong.

We need a %F for functions :-).  This is a hole in the ansi spec.

Warner

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