From owner-freebsd-hackers@FreeBSD.ORG  Fri Feb 22 01:59:30 2008
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A80EC16A517
	for <freebsd-hackers@freebsd.org>; Fri, 22 Feb 2008 01:59:30 +0000 (UTC)
	(envelope-from kientzle@freebsd.org)
Received: from kientzle.com (h-66-166-149-50.snvacaid.covad.net
	[66.166.149.50])
	by mx1.freebsd.org (Postfix) with ESMTP id 5B0B013C457
	for <freebsd-hackers@freebsd.org>; Fri, 22 Feb 2008 01:59:30 +0000 (UTC)
	(envelope-from kientzle@freebsd.org)
Received: from [10.0.0.204] (p54.kientzle.com [66.166.149.54])
	by kientzle.com (8.12.9/8.12.9) with ESMTP id m1M1xLUP037350;
	Thu, 21 Feb 2008 17:59:27 -0800 (PST)
	(envelope-from kientzle@freebsd.org)
Message-ID: <47BE2C79.1080203@freebsd.org>
Date: Thu, 21 Feb 2008 17:59:21 -0800
From: Tim Kientzle <kientzle@freebsd.org>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20060422
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: "Heiko Wundram (Beenic)" <wundram@beenic.net>
References: <200802211053.16113.wundram@beenic.net>
In-Reply-To: <200802211053.16113.wundram@beenic.net>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-hackers@freebsd.org
Subject: Re: OT: Stream structures in bzlib and zlib
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: Fri, 22 Feb 2008 01:59:30 -0000

Heiko Wundram (Beenic) wrote:
> Hey all!
> 
> I'm currently working on a project using zlib and bzlib, and I'm currently 
> slightly stomped by the fact that both define the input buffer in their 
> stream structure as non-const.

I think they're not defined as const just to maintain
compatibility with old and/or broken compilers.

libarchive treats them as const and has never had any
problems from this.

Cheers,

Tim Kientzle