From owner-freebsd-hackers  Wed Oct 22 12:21:50 1997
Return-Path: <owner-freebsd-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.7/8.8.7) id MAA19997
          for hackers-outgoing; Wed, 22 Oct 1997 12:21:50 -0700 (PDT)
          (envelope-from owner-freebsd-hackers)
Received: from coal.nis.newscorp.com (mxa.newscorp.com [206.15.105.135])
          by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id MAA19916
          for <freebsd-hackers@FreeBSD.ORG>; Wed, 22 Oct 1997 12:20:02 -0700 (PDT)
          (envelope-from ben@multivac.narcissus.net)
Received: from multivac.narcissus.net (ts2port12.port.net [207.38.248.140]) by coal.nis.newscorp.com (News Corp SMTP GW  1.1) with SMTP id PAA10100; Wed, 22 Oct 1997 15:20:18 -0400 (EDT)
Received: from localhost by multivac.narcissus.net (NX5.67e/NX3.0S)
	id AA00270; Wed, 22 Oct 97 15:11:53 -0400
Date: Wed, 22 Oct 1997 15:11:52 -0400 (GMT-0400)
From: Snob Art Genre <ben@multivac.narcissus.net>
Reply-To: benedict@echonyc.com
To: "David E. Cross" <dec@phoenix.its.rpi.edu>
Cc: J Wunsch <j@uriah.heep.sax.de>,
        FreeBSD hackers <freebsd-hackers@FreeBSD.ORG>
Subject: Re: Possible SERIOUS bug in open()?
In-Reply-To: <Pine.BSF.3.96.971022142133.15884B-100000@phoenix.its.rpi.edu>
Message-Id: <Pine.NXT.3.96.971022151033.254B-100000@multivac.narcissus.net>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

On Wed, 22 Oct 1997, David E. Cross wrote:

> I thought that O_RDRW = O_RDONLY | O_WRONLY.

Tsk -- do your research.  From /usr/include/fcntl.h:

#define O_RDONLY 0x0000 /* open for reading only */
#define O_WRONLY 0x0001 /* open for writing only */
#define O_RDWR 	 0x0002	/* open for reading and writing */ 

Ben

"You have your mind on computers, it seems."