From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10154 invoked by alias); 1 Mar 2012 16:20:12 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: X-Seq: 30308 Received: (qmail 15370 invoked from network); 1 Mar 2012 16:20:09 -0000 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, HTML_MESSAGE,RCVD_IN_DNSWL_LOW,T_DKIM_INVALID autolearn=ham version=3.3.2 Received-SPF: pass (ns1.primenet.com.au: SPF record at _spf.google.com designates 209.85.215.43 as permitted sender) Received-SPF: pass (google.com: domain of 4wayned@gmail.com designates 10.152.132.130 as permitted sender) client-ip=10.152.132.130; Authentication-Results: mr.google.com; spf=pass (google.com: domain of 4wayned@gmail.com designates 10.152.132.130 as permitted sender) smtp.mail=4wayned@gmail.com; dkim=pass header.i=4wayned@gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=4qasee5C8zXdyw047iLB6GopvhqtfnraAv3Bmr5Wn/Q=; b=FuxIiuWjkNNX6P6RxFOaCt4bc6VRCeZNDiz3zqTv8wCeZQBStT2JMb6zj7784Ym6kA Lda7W38d/8PAakONesmO7uwPDIItV6bN9vDkl0NY87RrBQr8jRcRaYMH6CpdFbW3oyZT kvQLWm07cPJEHzYzUGjHl8DCiSnySU5BeA8No= MIME-Version: 1.0 Sender: 4wayned@gmail.com In-Reply-To: <20120301143046.49093711@pwslap01u.europe.root.pri> References: <20120227162251.GA17559@zaphod.q-ix.net> <20120227173523.2941f24d@pwslap01u.europe.root.pri> <20120301143046.49093711@pwslap01u.europe.root.pri> Date: Thu, 1 Mar 2012 08:20:01 -0800 X-Google-Sender-Auth: mVloptmQgtefEzLQWGV1T5YiB4s Message-ID: Subject: Re: Integer overflow during brace expansion From: Wayne Davison To: Peter Stephenson Cc: zsh-workers@zsh.org Content-Type: multipart/alternative; boundary=f46d043089b4032e3904ba30d592 --f46d043089b4032e3904ba30d592 Content-Type: text/plain; charset=UTF-8 On Thu, Mar 1, 2012 at 6:30 AM, Peter Stephenson wrote: > + long long foo = (long long)400; > + char buf[20]; > + sprintf(buf, "before%lldafter", foo); > + if (!strcmp(buf, "before400after")) { > I think it'd be nice to get some higher bits involved in that check. Perhaps something like this: long long foo = ((long long)0xdead << 40) | 0xf00d; compares to before62677660341432333after (and needs a larger buf). ..wayne.. --f46d043089b4032e3904ba30d592--