From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10289 invoked by alias); 29 Apr 2012 18:51:12 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: X-Seq: 17047 Received: (qmail 2945 invoked from network); 29 Apr 2012 18:51:10 -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=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.2 Received-SPF: neutral (ns1.primenet.com.au: 74.125.82.43 is neither permitted nor denied by SPF record at ntlworld.com) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-proxyuser-ip:date:from:to:subject:message-id:in-reply-to :references:x-mailer:mime-version:content-type :content-transfer-encoding:x-gm-message-state; bh=wD2x2IzS7m48VZrnmo6wwgB5ZM+t63q3W6C0khX//9Q=; b=TYwpWCHFPvDdl2n+E5INjA4RteXFupAF7QJ5OCr63B1uiqO+Z7gGC3mAtDzCBsakyQ tXq9KWRm7zbuemALo4ZpLyZTXRqCD0KRVZIv0tioB8Y/cVa7qpP0vkDzrciN3sMsYgRv 4ZlNCFLLFOr/4nr8shajGNJzaAxy4aReJxQzTOHqOnz91DlaNVmYsvtfYEBnw3jWmpjK pViUmEzYL8TPZRiyjHCtL4zdt6joq+CFKBShRoKfEtx4jX+Bz4NF9ifIEIE+aOZr6TBy UdpJgbFs63zt2FrDlLiEKI8/IMFV4SeHU+Wxv2Qbh9d2Y+uoGSGF4oi5pnVLcnElekRI Lajg== X-ProxyUser-IP: 86.6.29.42 Date: Sun, 29 Apr 2012 19:22:26 +0100 From: Peter Stephenson To: zsh-users@zsh.org Subject: Re: ${(s::)VAR} vs "${(s::)VAR}" Message-ID: <20120429192226.7701b9cf@pws-pc.ntlworld.com> In-Reply-To: <120427195048.ZM10479@torch.brasslantern.com> References: <20120427213837.1b861851@pws-pc.ntlworld.com> <120427195048.ZM10479@torch.brasslantern.com> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Gm-Message-State: ALoCoQmKqXboS7wl2/UzwG9SAwiXya+TKG7rVwxDM0UkdftyY97s21k5SQgZVxpj9+/m3bFldi3t On Fri, 27 Apr 2012 19:50:48 -0700 Bart Schaefer wrote: > } for (; (c = findsep(&s, sep, 0)) >= 0; s += sl) > } - if ((c && *(s + sl)) || mul) > } + if ((c || mul) && *(s + sl)) > } r++; > > Does it matter that the changed line dereferences s+sl in cases where > the original line does not? That's true only if c is 0 and mul is 1 (before c had to be 1). c is 0 if we're already at a separator, so I think dereferencing s+sl is still OK. -- Peter Stephenson Web page now at http://homepage.ntlworld.com/p.w.stephenson/