From owner-freebsd-hackers@FreeBSD.ORG  Tue Aug  2 11:17:47 2005
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 03EA716A41F
	for <freebsd-hackers@freebsd.org>; Tue,  2 Aug 2005 11:17:47 +0000 (GMT)
	(envelope-from joerg@britannica.bec.de)
Received: from hydra.bec.de (www.ostsee-abc.de [62.206.222.50])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8A60343D46
	for <freebsd-hackers@freebsd.org>; Tue,  2 Aug 2005 11:17:46 +0000 (GMT)
	(envelope-from joerg@britannica.bec.de)
Received: from britannica.bec.de (storm.stura.uni-rostock.de [139.30.252.72])
	by hydra.bec.de (Postfix) with ESMTP id 861EF35707
	for <freebsd-hackers@freebsd.org>;
	Tue,  2 Aug 2005 13:17:44 +0200 (CEST)
Received: by britannica.bec.de (Postfix, from userid 1001)
	id EEB9A5406; Tue,  2 Aug 2005 13:15:35 +0200 (CEST)
Date: Tue, 2 Aug 2005 13:15:35 +0200
From: Joerg Sonnenberger <joerg@britannica.bec.de>
To: freebsd-hackers@freebsd.org
Message-ID: <20050802111535.GA2468@britannica.bec.de>
Mail-Followup-To: freebsd-hackers@freebsd.org
References: <51934.68.95.232.238.1122957425.squirrel@68.95.232.238>
	<20050802062937.GA31485@sinanica.bg.datamax>
	<42EF5072.30808@freesbie.org>
	<20050802110632.GB85997@sinanica.bg.datamax>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20050802110632.GB85997@sinanica.bg.datamax>
User-Agent: Mutt/1.5.6i
Subject: Re: [patch] rc.d/tmp (silly mkdir usage)
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 02 Aug 2005 11:17:47 -0000

On Tue, Aug 02, 2005 at 02:06:32PM +0300, Vasil Dimov wrote:
> On Tue, Aug 02, 2005 at 12:52:34PM +0200, Dario Freni wrote:
> > Vasil Dimov wrote:
> > > Even we can use
> > > if [ -d /tmp -a -w /tmp ] ; then
> > > or (which is equivalent)
> > > if [ -d /tmp ] && [ -w /tmp ] ; then
> > > and save external commands (mkdir) execution and directory
> > > creation/deletion at all.
> > 
> > You can't use test -w here. The script is checking if there is a
> > read-only filesystem. -w checks only the file flags (according to the
> > man page, at least).
> > 
> That's correct, -w cannot be used to check read-only filesystem.

Actually, you can. That's not portable behaviour though.

Joerg