From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by dcvr.yhbt.net (Postfix) with ESMTP id 039A41F8C4 for ; Thu, 4 Feb 2021 21:08:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230120AbhBDVHf (ORCPT ); Thu, 4 Feb 2021 16:07:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229813AbhBDVHc (ORCPT ); Thu, 4 Feb 2021 16:07:32 -0500 Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1D35C06178C for ; Thu, 4 Feb 2021 13:06:16 -0800 (PST) Received: by mail-wm1-x32f.google.com with SMTP id 190so4330980wmz.0 for ; Thu, 04 Feb 2021 13:06:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=UViOvZ6ebifCYycIoB4e1ICF+utBA/Mwn0gFFMwUjoM=; b=ojHLDaRF6pNp7g9rpIKhA//Oc7ysRTBIFZrhBDfnxtzJxFtoJOFTDBQgfG3UJMlVzH jeX9ncHhfafMfYIEo5U2P+4QHa1nJacztHMN2lBT1G40zWIym696M+MtBiC1Jl+YC8P9 rQQTgEOLkMOYPFr58z/psnQa2FfwLQyWDKVzojw1fShXynV8gj6vSWL6B2WrmPeOdmri W00mSr+Svnl1Mb0Vzb8qsoAv8TNar8ObbY7CU75KcgeKnJHADzVL8VcWLaiFzpRpgV4V MG89+q2y/3hekVcfpa7bmmKyF+mXc12dj8bFVVhF8mqP3btkAy2P1TyNADVdcewPsm4f a+Rg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=UViOvZ6ebifCYycIoB4e1ICF+utBA/Mwn0gFFMwUjoM=; b=T7BjMBTufJFbdg7xmA0IJXd2XgZObsofrCLLXWEZIgFoxsRKouHjGeIZav5wBSNs1E C3zsmoeJD7InuWAUT0lP1wD76KNTrNKx1GGhVypnetonadunDNcnr7XXJpajqAcU4N0t A9DpITsDPJ8NOSZomHCXyw7TImXvneq+iRVui+msibli7nY7CUYD6ofTFnRh+1iO2caT U4Us8sNp4FwLdcCLV9Z6suL74SOJc3L9CUAx9jipBB3y3fn/wDIscLreLUG6hO3XacDe oK9UiOrGzMFG8TIsp2xiKG9jf+xl6V3fyzQrwIE981gDyWfK47KdtoJA4fvPZfS5do4D v9Jw== X-Gm-Message-State: AOAM53125ctAeuzseJ2Ed8f06EY3mNLk5T559LVq8tGg5L6QRg4wVEKN vbFhb5nIxxtlnuRTsWIrm5e3JvgXr04GpQ== X-Google-Smtp-Source: ABdhPJxpqFM0g6wh3ektsp5Yqr/KwOLIMvmn2exVZjxFhtiO95psDsMpvQN576z5RLd7/NxIqelBWw== X-Received: by 2002:a7b:c0d8:: with SMTP id s24mr907651wmh.4.1612472775481; Thu, 04 Feb 2021 13:06:15 -0800 (PST) Received: from vm.nix.is (vm.nix.is. [2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id n5sm6779318wmq.7.2021.02.04.13.06.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Feb 2021 13:06:14 -0800 (PST) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Junio C Hamano , Jeff King , Johannes Schindelin , =?UTF-8?q?Carlo=20Marcelo=20Arenas=20Bel=C3=B3n?= , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH 05/10] grep/pcre2: add GREP_PCRE2_DEBUG_MALLOC debug mode Date: Thu, 4 Feb 2021 22:05:51 +0100 Message-Id: <20210204210556.25242-6-avarab@gmail.com> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7 In-Reply-To: <191d3a2280232ff98964fd42bfe0bc85ee3708f5.1571227824.git.gitgitgadget@gmail.com> References: <191d3a2280232ff98964fd42bfe0bc85ee3708f5.1571227824.git.gitgitgadget@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Add optional printing of PCREv2 allocations to stderr for a developer who manually changes the GREP_PCRE2_DEBUG_MALLOC definition to "1". This will be referenced a subsequent commit, and is generally useful to manually see what's going on with PCREv2 allocations while working on that code. Signed-off-by: Ævar Arnfjörð Bjarmason --- grep.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/grep.c b/grep.c index f96d86c929..7d262a23d8 100644 --- a/grep.c +++ b/grep.c @@ -42,15 +42,25 @@ static struct grep_opt grep_defaults = { #ifdef USE_LIBPCRE2 static pcre2_general_context *pcre2_global_context; +#define GREP_PCRE2_DEBUG_MALLOC 0 static void *pcre2_malloc(PCRE2_SIZE size, MAYBE_UNUSED void *memory_data) { void *pointer = malloc(size); +#if GREP_PCRE2_DEBUG_MALLOC + static int count = 1; + fprintf(stderr, "PCRE2:%p -> #%02d: alloc(%lu)\n", pointer, count++, size); +#endif return pointer; } static void pcre2_free(void *pointer, MAYBE_UNUSED void *memory_data) { +#if GREP_PCRE2_DEBUG_MALLOC + static int count = 1; + if (pointer) + fprintf(stderr, "PCRE2:%p -> #%02d: free()\n", pointer, count++); +#endif free(pointer); } #endif -- 2.30.0.284.gd98b1dd5eaa7