From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <libc-hacker-return-9757-listarch-libc-hacker=sources.redhat.com@sourceware.org>
Received: (qmail 24791 invoked by alias); 22 Aug 2011 20:14:07 -0000
Received: (qmail 24775 invoked by uid 22791); 22 Aug 2011 20:14:06 -0000
X-SWARE-Spam-Status: No, hits=-2.6 required=5.0
	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW
X-Spam-Check-By: sourceware.org
Received: from mail-vx0-f169.google.com (HELO mail-vx0-f169.google.com) (209.85.220.169)
    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 22 Aug 2011 20:13:51 +0000
Received: by vxj3 with SMTP id 3so5361607vxj.0
        for <libc-hacker@sourceware.org>; Mon, 22 Aug 2011 13:13:51 -0700 (PDT)
Received: by 10.52.70.37 with SMTP id j5mr1367252vdu.386.1314044031089; Mon,
 22 Aug 2011 13:13:51 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.220.150.134 with HTTP; Mon, 22 Aug 2011 13:13:31 -0700 (PDT)
In-Reply-To: <m3ei0l3902.fsf@hase.home>
References: <m3ei0l3902.fsf@hase.home>
From: Ulrich Drepper <drepper@gmail.com>
Date: Mon, 22 Aug 2011 20:14:00 -0000
Message-ID: <CAOPLpQcZ=XLPwqxp8XbaRPGCJ6ZAvpdVK+uZGR6ESifkn3wvgg@mail.gmail.com>
Subject: Re: [PATCH] Correct cycle detection during dependency sorting
To: Andreas Schwab <schwab@redhat.com>
Cc: libc-hacker@sourceware.org
Content-Type: text/plain; charset=UTF-8
Mailing-List: contact libc-hacker-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <libc-hacker.sourceware.org>
List-Subscribe: <mailto:libc-hacker-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/libc-hacker/>
List-Post: <mailto:libc-hacker@sourceware.org>
List-Help: <mailto:libc-hacker-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: libc-hacker-owner@sourceware.org
X-SW-Source: 2011-08/txt/msg00012.txt.bz2

Mostly correct.  But you cannot blindly increment the counter.  There
are insane programs out there which will cause an overflow.