Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp307303pxa; Wed, 12 Aug 2020 02:30:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzhd4nBZ9Em8o11vKs0/tutBXkmfOLUWxMdOFTBWP6Y91N7iMNhTgcK7zdvEOsqfpnK0EWE X-Received: by 2002:a05:6402:1b1c:: with SMTP id by28mr30950529edb.89.1597224621232; Wed, 12 Aug 2020 02:30:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597224621; cv=none; d=google.com; s=arc-20160816; b=WZJmToKhBzQJH2wKs6NFEUXKNtBD6LyXiGOQK9+BGgbK4GBwmDMzJFbtigaamTXQdz iTosH7wpGIDYkBCRbxCbmV5qgWVBi0V9CNize5wMMDQotKM69gG8hUUIkAAQ7Vz22CsO SyzWZsTS1ZIXC1n1zRnXNRrU++63elejz32mnY44Tv+LkW6xV5lcpsaKdzJGcK4Tg17Y 7NXaMEQWZgJLFUyFf58L1WqL2h8xA1JH2+twRfolXkkuClBtDaYL/YRqXP9J+lztNZQN Ea+ln6DIEQPmCNDZyetGpwNNX1p0+DKFjAX6jTZaQnsLoivTLV/gXDe1rkz8VqGYTXuZ 0Rcg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=7RwzPnG6QODTg4ngzPAQeSfb/oLTXt/BgTYC+FeVWXo=; b=MJQfFLP03vLGnyoNd8c7zGz5w+4lWBAE6xAjbmsSIHDcYgpBSdvye0Oiho7fx80b5o gku4INK/T2IdL32tyEaQpXcJz9M7npLHbYvrNQbffBa+r1iLV4tHU8K40jeTEpiArZ48 SNLLWfk0NI4zZcLFMPQIm4pL+2GdPRh/MBwWwfEphTE5fp8B0H5fxHn0O3fIQDj6DUhN /dFYjqTh7qiFRpRJZkjCi3tKCJQFll5RmAozBon6v6s2bs4z/CbEXmYa9Hi/KvKbduM7 TIxkuABY8JEd6AjVhZum2R/pWtf1Zfp1sfHbwzbarsE9VfbTVVbs152FmnHiLn8Cihsn KcGQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n9si907345edo.79.2020.08.12.02.29.58; Wed, 12 Aug 2020 02:30:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727930AbgHLJ1r (ORCPT + 99 others); Wed, 12 Aug 2020 05:27:47 -0400 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:9533 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726601AbgHLJ1r (ORCPT ); Wed, 12 Aug 2020 05:27:47 -0400 X-IronPort-AV: E=Sophos;i="5.76,303,1592863200"; d="scan'208";a="356403421" Received: from abo-173-121-68.mrs.modulonet.fr (HELO hadrien) ([85.68.121.173]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Aug 2020 11:27:45 +0200 Date: Wed, 12 Aug 2020 11:27:45 +0200 (CEST) From: Julia Lawall X-X-Sender: jll@hadrien To: Markus Elfring cc: Denis Efremov , Coccinelle , Gilles Muller , Masahiro Yamada , Michal Marek , Nicolas Palix , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, "Gustavo A. R. Silva" , Kees Cook Subject: Re: [RFC PATCH] coccinelle: misc: add uninitialized_var.cocci script In-Reply-To: <1b8537dd-8bf3-d3b6-4c10-af2fa623f1fe@web.de> Message-ID: References: <1b8537dd-8bf3-d3b6-4c10-af2fa623f1fe@web.de> User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 12 Aug 2020, Markus Elfring wrote: > > +@r@ > > +identifier var; > > +type T; > > +position p; > > +@@ > > + > > +( > > +* T var@p = var; > > +| > > +* T var@p = *(&(var)); > > I suggest to simplify such code for the semantic patch language a bit. > Can an other variant be more succinct for the application of a SmPL disjunction? > > +*T var@p = \( var \| *(&(var)) \); It's fine as is. julia