From owner-freebsd-questions@FreeBSD.ORG  Tue Jan  6 09:50:13 2004
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id B65B216A4CE
	for <freebsd-questions@freebsd.org>;
	Tue,  6 Jan 2004 09:50:13 -0800 (PST)
Received: from falcon.midgard.homeip.net (h201n1fls24o1048.bredband.comhem.se
	[212.181.162.201])
	by mx1.FreeBSD.org (Postfix) with SMTP id F3E6243D6B
	for <freebsd-questions@freebsd.org>;
	Tue,  6 Jan 2004 09:50:00 -0800 (PST)
	(envelope-from ertr1013@student.uu.se)
Received: (qmail 36486 invoked by uid 1001); 6 Jan 2004 17:49:58 -0000
Date: Tue, 6 Jan 2004 18:49:58 +0100
From: Erik Trulsson <ertr1013@student.uu.se>
To: Alex <alex@dynaweb.ru>
Message-ID: <20040106174958.GA36407@falcon.midgard.homeip.net>
Mail-Followup-To: Alex <alex@dynaweb.ru>,
	freebsd-questions@freebsd.org
References: <3FFAF127.3080309@dynaweb.ru>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <3FFAF127.3080309@dynaweb.ru>
User-Agent: Mutt/1.5.5.1i
cc: freebsd-questions@freebsd.org
Subject: Re: how to use lseek() system call with over 2G files?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 06 Jan 2004 17:50:13 -0000

On Tue, Jan 06, 2004 at 08:32:23PM +0300, Alex wrote:
> Hi everybody!
> 
> Some time ago there wasn't any possibility to create disk file larger 
> than 2G and there was no problem with lseek().
> But as for now we can do it but I looked into headers and found off_t is 
> equal to long -> no more than 2G on i386 machines.
> As far as lseek() is a system call I cannot believe it cannot be used 
> with larger files but how?
> 
> Maybe it's a silly question? :0)

Not a silly question, but one based on false assumptions.

FreeBSD has been able to create files larger than 2G for a long time.
off_t is a 64-bit type, and therefore is quite capable of representing
sizes larger than 2G.  lseek() has no problem handling files larger than
2G.


-- 
<Insert your favourite quote here.>
Erik Trulsson
ertr1013@student.uu.se