From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM,RP_MATCHES_RCVD shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 8EFC31FC44 for ; Thu, 16 Feb 2017 15:51:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932715AbdBPPv1 (ORCPT ); Thu, 16 Feb 2017 10:51:27 -0500 Received: from mail-pf0-f174.google.com ([209.85.192.174]:34625 "EHLO mail-pf0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932430AbdBPPvW (ORCPT ); Thu, 16 Feb 2017 10:51:22 -0500 Received: by mail-pf0-f174.google.com with SMTP id e4so6520184pfg.1 for ; Thu, 16 Feb 2017 07:51:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=subject:to:references:cc:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=5tXRYKVBwaitK52C1ukdHXnZS2UGbkjgMwoDUQggGrQ=; b=Jni+e49HTiunXe4m4h7z834KjYvr/Hx2bvDcRicSpvB1h9At2pQnCsajKx9ZzXBkZR AJ5ILj74EBtrMdp3wz6NLZ/8V88ryxxyhnk18uE3Kbk9D9XTM2mWUU45yZffhi39OyVx QEjj5N5Tr2+8Q2glxgFYhf7HQBJx0B2UZlFcWEseyc8NOOKKiCbJfZcbL6GeE02rt4Vb 7djRoRWaKjMvudWY2jBfDSyhJgvUrZzKPZLfVm+MHHZ747Vdko8R/GpeyVPssyaaCJnf LJ936O0jKGNXdW1MmmxuIBr9ShughDrBi+9+ZJVwuKoP2eLAH3hQe+oLyDtWEpGEm81D rKYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=5tXRYKVBwaitK52C1ukdHXnZS2UGbkjgMwoDUQggGrQ=; b=ieDeZkvZYWSwuhc8xBEgFlCa2tOUM0PFNdZFwpoJa41wzJkACVVFUdLoK30f4NqqEq X1EzfGG2ussNkiXKLnfNAtpdSHMZ5j5b1L5X4xEmNh7cQzgP051/dSSQcXVV4+ekfFTe tWhSyMMw7EEVErKJZG6+QB7AgUZG8zqFoLnazWJf4464ziLIpyOD6RqiT6Yep3+Sx2Gv xRpOEB3SZzem2h7vfb9hJt452kTLi9W6oL+I+IBoVEx4w7jYZDvDL8a2Fp0+ES6tQDts nCQv+CIzHx4DdccYIyJXUIA8Tx4kwJ6PDKBfvC8mLHCZ1lgkxDB4UYRZj9dPvuc3ompj MMqA== X-Gm-Message-State: AMke39kHsWmY9Lwsf+K5Wuz8oFVSTvXWNQVi0L+Cn34vWtni/pkX1O1XjPgidGmRsyn86B8B X-Received: by 10.99.161.17 with SMTP id b17mr3704293pgf.72.1487260276391; Thu, 16 Feb 2017 07:51:16 -0800 (PST) Received: from twelve2.mtv.corp.google.com ([2620:0:1000:5b10:e4ca:e8f7:5d37:7899]) by smtp.gmail.com with ESMTPSA id n8sm14642448pgc.16.2017.02.16.07.51.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 16 Feb 2017 07:51:15 -0800 (PST) Subject: Re: [PATCH 1/3] add git_psprintf helper function To: Maxim Moseychuk , git@vger.kernel.org References: <20170216112829.18079-1-franchesko.salias.hudro.pedros@gmail.com> <20170216112829.18079-2-franchesko.salias.hudro.pedros@gmail.com> Cc: peff@peff.net From: Jonathan Tan Message-ID: <616a2b08-71f9-d594-d46c-2687bf20ae2b@google.com> Date: Thu, 16 Feb 2017 07:51:14 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <20170216112829.18079-2-franchesko.salias.hudro.pedros@gmail.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On 02/16/2017 03:28 AM, Maxim Moseychuk wrote: > There are a number of places in the code where we call > xsnprintf(), with the assumption that the output will fit into > the buffer. If the buffer is small, then git die. > In many places buffers have compile-time size, but generated string > depends from current system locale (gettext)and can have size > greater the buffer. > Just run "LANG=ru_RU.UTF8 git bisect start v4.9 v4.8" > on linux sources - it impossible. > > git_psprintf is similar to the standard C sprintf() function > but safer, since it calculates the maximum space required > and allocates memory to hold the result. > The returned string should be freed with free() when no longer needed. If I understand this correctly, xstrfmt (in strbuf.h) should already do what you need, so you do not need a new function.