From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0CC9C432C0 for ; Tue, 3 Dec 2019 13:28:56 +0000 (UTC) Received: from isis.lip6.fr (isis.lip6.fr [132.227.60.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0C67C2073B for ; Tue, 3 Dec 2019 13:28:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=web.de header.i=@web.de header.b="ML/rXqLV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C67C2073B Authentication-Results: mail.kernel.org; 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h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=ML/rXqLV/Ng5S1dVwhC1qKczU+x8/iqFZC2t6bPOUAIplixOpgflZVFHQ2suVwOPo hvAxftGSXt5P91REpWM9DVBl2Fc+uEGinqN474UYUH5pTcfZKtFVlpDzTs+V1cVmlZ 6h845NdiIAaD0De3KSPF1rg9rrCymtSVTs9Dsu0Q= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.3] ([93.132.47.193]) by smtp.web.de (mrweb103 [213.165.67.124]) with ESMTPSA (Nemesis) id 0Lu4uA-1havIo1NZO-011T1M; Tue, 03 Dec 2019 14:28:36 +0100 To: Julia Lawall , stracelabs@gmail.com References: <02fa7455-e76e-7d7d-0d64-41b2803a8025@web.de> <0c03f84d-a05b-2811-96aa-6f82541fb8a3@web.de> <1865799483.10870980.1575350298758.JavaMail.zimbra@inria.fr> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: Date: Tue, 3 Dec 2019 14:28:29 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <1865799483.10870980.1575350298758.JavaMail.zimbra@inria.fr> Content-Language: en-US X-Provags-ID: V03:K1:JUvGRi398hi64tSHnWwo62ypSpxnkfHPSWvVpr8OXUBI91YWbkK cR27FEN0vuIJRIOml9ZWg8493fBKj/eNp2D2nJE0U6BA7y4387p3zEIUTmA2OFbKxeNPhua 1e0XpbIzWD+N0o4ucIWs5QDx9OIuxZk0sXt4mInI6PRVFTRC7ykrfs0iW7EBwzlt0o6yLND NwYj4hNf99KnziFJA1Jcw== X-UI-Out-Filterresults: notjunk:1;V03:K0:XJIoAimnGxw=:h5oEJCkBQkn1mf4/2nIP6y zhLt+LABb3AqANqxhtoDiOC7R+xg6o7W5OYktEyUBtYz7CbV1L2VR72iH7yHePLIHAQ2phweF 8Isyz6yuI50JFZrkCAds8u0sCwecW7s8wXwP2bx+d+1PIAbNzT8KiqUBlffGhjFBQYhjN8K0d mAVOHwpEtiFEqe8vNLAiB2u1EsE0Jh1rX7NJ6HT8YXZl7KwmZ5bIefA6bt4mJKP+hkljYzMI/ lnGlrsaDcG7VJivJiv6CU6+7t01d2adcs/cg/eCQMFW+cbi/kvRMFoGl5iwI03v0gX9RHIc5d dEjnCRiCfH/g2LBnZjV5qgdrci9a0dn0qYP1HLk+w2LlaWEKzNEsXjqGHHfB6d2k+5uRnuBIG K3T1IqWWbrQfYi73voqwF2o4P8WhAZGuD1ovk5v3YZv39D/q8sYTbcJHYcFUg9N3e85A1f4bv PIDTyebpfnH88I0HJHmIKTeGtgIYHIGf3LqHupdbXBtfLFXG1Ue/Xv8V/9e2Qlh7upkyKH+co kMR40Y4NJMFkCZFEX45c/uTz5nJg6Xzi/+eHh1IyvagQrWfl4v135gw9ZO5EYveuCKjD7uel5 rQNRUFKdz9fofbjvmExvga4AGwx+GKDKJRjii2O6GDCQuIl7Nmfc2YuAeVzaw5T0cGnOFuQZ4 bUzeLiqqVFKNrxJH2rV7Sa4xiBM2IvKrWbccktt0c075RkyHUqrHrUbDO7FY+OSfWqpUTZlOl 8a0lRladSGL/Krfq9M51xdsY3V2nL0ZMeaJ+xWUnIECZD6/foOIR0+ZXgzMlERACSXZTqEd0b ztLFS4+rzuLo9TLkLyc5imZ+8O5SjSyg477Lxl3xbExdT6MZ5wCrqfJcVtCABxpDtJJnDm6Y0 BbZt+jysObVtt6CEtFW5S720CTFFjaYE5VngG+XI1JABfljzbwU+6uSamR0XUbhK5816fRa0L uoNcYmmIWvum9UtevFwLCakkLV+fw6Wbqna5wS8NvSemKgbKbHuHBvJRLTzoWMmoO0i3s6wf/ LQW/eelFWA4xXrVgXI2L10iyq3Ynw4aYXTKHAzc5mlWo7XF5Ju9o4mywTfx8xlpKR6tHoHx8R SRY08u2YMDAQkW38TLnheh+yUDnGszPjz9uCz5XRqWog2keH0xUI3oeH4K6aCNjFP3HeAvVXK XKeLfWkioHn5EBsGqW3OXLGZy93uGe7Fbuv3q8chAd/ghbgE8SmyLXVAB5IWUedUD+KC/LFgp ZJasiyfCQOh+OSNaSdiAmKsBA6VFO7bfmbz2uCpADKc/oNKGVpn2/6DvDqCc= X-Greylist: Sender IP whitelisted, Sender e-mail whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Tue, 03 Dec 2019 14:28:40 +0100 (CET) X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Tue, 03 Dec 2019 14:28:38 +0100 (CET) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 Cc: cocci@systeme.lip6.fr Subject: Re: [Cocci] Changing format string usage with SmPL? X-BeenThere: cocci@systeme.lip6.fr X-Mailman-Version: 2.1.13 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: cocci-bounces@systeme.lip6.fr Errors-To: cocci-bounces@systeme.lip6.fr > OK, if you may have more than one argument to your print, > then you can find the offset using an expression list metavariable: > > @r@ > expression list[n] between; > @@ > > print(s,between,h2->name,...) > > Then you can use r.n in your python rule to figure out where is the %s to= change. This data processing approach sounds promising. > Unfortunately, this will not work well if there are multiple name referen= ces in the argument list. I hope that the Coccinelle software can help more with the analysis for format strings. > Because you will be trying to change the format string in multiple ways, > eg once where between has length 2 and once where between has length 4. This can probably happen. > Substantial hacks would be required to deal with this. How can corresponding collateral evolution be better supported? > It would be nice if you could do > > @r@ > expression list[bn] between; > expression list[an] after; > position p; > @@ > print@p(s,between,name,after) > > @@ > format list[r.bn] f1; > format list[r.an] f2; > position r.p; > @@ > print@p( > -=A0=A0=A0 "%@f1@%s%@f2@" > +=A0=A0 "%@f1@%m%@f2@" > , l) > > I don't know if that would work, though. I find this information interesting. How will the clarification be continued for affected open issues? Regards, Markus _______________________________________________ Cocci mailing list Cocci@systeme.lip6.fr https://systeme.lip6.fr/mailman/listinfo/cocci