From owner-freebsd-questions@FreeBSD.ORG Mon Sep 22 03:37:12 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 425671065670 for ; Mon, 22 Sep 2008 03:37:12 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from igloo.linux.gr (igloo.linux.gr [62.1.205.36]) by mx1.freebsd.org (Postfix) with ESMTP id AC00A8FC18 for ; Mon, 22 Sep 2008 03:37:11 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from kobe.laptop (adsl83-215.kln.forthnet.gr [77.49.50.215]) (authenticated bits=128) by igloo.linux.gr (8.14.3/8.14.3/Debian-5) with ESMTP id m8M3b046023464 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 22 Sep 2008 06:37:06 +0300 Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.14.3/8.14.3) with ESMTP id m8M3b0Wa014202; Mon, 22 Sep 2008 06:37:00 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.14.3/8.14.3/Submit) id m8M3aw0v014201; Mon, 22 Sep 2008 06:36:58 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) From: Giorgos Keramidas To: RW References: <200809210206.52409.fbsd.questions@rachie.is-a-geek.net> <266527.92897.qm@web110502.mail.gq1.yahoo.com> <20080922023157.6668b46f@gumby.homeunix.com.> Date: Mon, 22 Sep 2008 06:36:58 +0300 In-Reply-To: <20080922023157.6668b46f@gumby.homeunix.com.> (RW's message of "Mon, 22 Sep 2008 02:31:57 +0100") Message-ID: <87vdwoam1x.fsf@kobe.laptop> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-MailScanner-ID: m8M3b046023464 X-Hellug-MailScanner: Found to be clean X-Hellug-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-3.853, required 5, autolearn=not spam, ALL_TRUSTED -1.80, AWL 0.55, BAYES_00 -2.60) X-Hellug-MailScanner-From: keramida@ceid.upatras.gr X-Spam-Status: No Cc: freebsd-questions@freebsd.org Subject: Re: Segmentation fault when free X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Sep 2008 03:37:12 -0000 On Mon, 22 Sep 2008 02:31:57 +0100, RW wrote: >Nash Nipples wrote: >>Giorgos Keramidas wrote: >>> char * >>> function(void) >>> { >>> char buffer[100]; >>> >>> return buffer; >>> } >> >> that is an easier approach because you get warned on passing an >> address to a local variable > > This was an example of how to generate a failure, it's not an > approach. Yes. It was *only* written to illustrate how a particular failure could happen. I wouldn't recommend this to anyone as a programming approach :)