From owner-freebsd-arch  Tue Dec 12  7:50: 2 2000
From owner-freebsd-arch@FreeBSD.ORG  Tue Dec 12 07:49:57 2000
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: freebsd-arch@freebsd.org
Received: from mail.interware.hu (mail.interware.hu [195.70.32.130])
	by hub.freebsd.org (Postfix) with ESMTP id CC0FE37B402
	for <arch@freebsd.org>; Tue, 12 Dec 2000 07:49:56 -0800 (PST)
Received: from luanda-36.budapest.interware.hu ([195.70.51.36] helo=elischer.org)
	by mail.interware.hu with esmtp (Exim 3.16 #1 (Debian))
	id 145rgU-0004OO-00; Tue, 12 Dec 2000 16:49:43 +0100
Sender: julian@FreeBSD.ORG
Message-ID: <3A361F0E.F015A262@elischer.org>
Date: Tue, 12 Dec 2000 04:50:22 -0800
From: Julian Elischer <julian@elischer.org>
X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 5.0-CURRENT i386)
X-Accept-Language: en, hu
MIME-Version: 1.0
To: Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc: Matt Dillon <dillon@earth.backplane.com>, kris@citusc.usc.edu,
	Dag-Erling Smorgrav <des@ofug.org>, arch@FreeBSD.ORG
Subject: Re: Safe string formatting in the kernel
References: <18190.976606205@critter>
Content-Type: text/plain; charset=iso-8859-15
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-arch@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

Poul-Henning Kamp wrote:
> 
> In message <200012120259.eBC2xfb99004@earth.backplane.com>, Matt Dillon writes:
> 
> >    sprintf(), strcpy(), and strcat().  But why not just replace those
> >    functions with an snprintf() equivalent?  I don't think we really need
> >    a dynamic string allocation mechanism in the kernel, there is virtually
> >    nowhere where it would actually be of any use.
> 
> There are several places where this new API would make the code
> simpler and less prone to overflowable errors.  procfs and various
> netgraph nodes spring to mind immediately.

hmmm such as?

> 
> --
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk@FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-arch" in the body of the message

-- 
      __--_|\  Julian Elischer
     /       \ julian@elischer.org
    (   OZ    ) World tour 2000
---> X_.---._/  presently in:  Budapest
            v




To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message