From owner-freebsd-standards@FreeBSD.ORG  Wed Apr 20 16:10:31 2005
Return-Path: <owner-freebsd-standards@FreeBSD.ORG>
Delivered-To: freebsd-standards@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id D763F16A4CE
	for <freebsd-standards@freebsd.org>;
	Wed, 20 Apr 2005 16:10:31 +0000 (GMT)
Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.197])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 78DAA43D46
	for <freebsd-standards@freebsd.org>;
	Wed, 20 Apr 2005 16:10:31 +0000 (GMT)
	(envelope-from joseph.koshy@gmail.com)
Received: by rproxy.gmail.com with SMTP id z35so187585rne
	for <freebsd-standards@freebsd.org>;
	Wed, 20 Apr 2005 09:10:31 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
	s=beta; d=gmail.com;
	h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=gJYXtqUCIkjBRW1HjCE6WzuFEect8Qrk9C4P0IzgyRPXlnrPq2iAUomQI97+nX2q10h2B3lma9cPlsYB/jRwMOvT/pxSHLpmze610UW2OQ7qXrnpvOpDdtucNhroEN7cnJsKaarM5TWc7zsBeH5xs2MGQdWQxWZF2fzkkOxw5sk=
Received: by 10.38.75.59 with SMTP id x59mr1057742rna;
        Wed, 20 Apr 2005 09:10:30 -0700 (PDT)
Received: by 10.38.209.22 with HTTP; Wed, 20 Apr 2005 09:10:30 -0700 (PDT)
Message-ID: <84dead720504200910441b9108@mail.gmail.com>
Date: Wed, 20 Apr 2005 16:10:30 +0000
From: Joseph Koshy <joseph.koshy@gmail.com>
To: Marcel Moolenaar <marcel@xcllnt.net>,
	freebsd-standards@freebsd.org
In-Reply-To: <20050420155407.GA844@falcon.midgard.homeip.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <84dead720504200541539f4c15@mail.gmail.com>
	 <03f22a3c76ac440b97e2179761dfd6fa@xcllnt.net>
	 <20050420155407.GA844@falcon.midgard.homeip.net>
Subject: Re: Standard type for code pointers?
X-BeenThere: freebsd-standards@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: Joseph Koshy <joseph.koshy@gmail.com>
List-Id: Standards compliance <freebsd-standards.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-standards>,
	<mailto:freebsd-standards-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-standards>
List-Post: <mailto:freebsd-standards@freebsd.org>
List-Help: <mailto:freebsd-standards-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-standards>,
	<mailto:freebsd-standards-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Apr 2005 16:10:31 -0000

> Except that intptr_t need only be large enough to hold an=20
> object pointer.  This is not necessarily enough to hold a=20
> function pointer.

Right.

> The only standard types that are guaranteed to be able to hold
> a function pointer are other function pointers.

Right, but there doesn't seem to be a C99 name for function
pointer types.

Is 'register_t' guaranteed to be wide enough?

--=20
FreeBSD Volunteer, http://people.freebsd.org/~jkoshy