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-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 7FB7A1F48A for ; Tue, 18 Feb 2020 04:18:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726266AbgBRESS (ORCPT ); Mon, 17 Feb 2020 23:18:18 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:37812 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726166AbgBRESS (ORCPT ); Mon, 17 Feb 2020 23:18:18 -0500 Received: by mail-wr1-f65.google.com with SMTP id w15so22201809wru.4 for ; Mon, 17 Feb 2020 20:18:17 -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; bh=mUc5Afj4YkT6YDQKs8UdNrMGyNM/zQK3oY+jl2rU29U=; b=IZj8Wuz+Ws8DsNtLIttV5PKmwp34XlQxpIo21EvNXJi9US8y4mQ71/zoadcy55D/o9 oZyZFcF8zqp5nfi/ey/qyqaXMhE7Gldu/LG6DBJq2jEwP0YO6A2OmrVdqlHWnCg1YvBq kkP8LLWCI2QZPVWOaju596lCqiDJFxchVwCr7pgZUVkqxwBUjlGHS66E8IF2rGYaaZJk P6jc9vjx/fP/jz0kxx8Y/+FWCeC9Z+m2KlOaUBzdKoxzH6waqVHppZP4n1pg0pICPc7U BV1HgF/SutsBTX6jr67WiIWOF4Fwfn84y3yk5Wzysg7Mr3hPx9Rha6C188nQiSnOoMTB V9iA== 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; bh=mUc5Afj4YkT6YDQKs8UdNrMGyNM/zQK3oY+jl2rU29U=; b=mDRJseaLrx5VkuJuCfde8oeL8Zhs+K0oWQotmjUIq7Rs1tu0xhNCVRpNsMivOG/jV9 Ax3U76l3OjJ0xHHJR9Eeg/E+RRH7lmk5UMPexVYAUdORPzUg59iV25xOVxTFjJisyaAY MImDFuvwOuESbq1soDShymhSJk3RVfVpKJjxCkBDF/z+PsaPBotz3I05k25R60BXRpnt 79MdywMKdfjSGUxvVEttP1AAlI2mFAkn2pIbtE5rlXC5dScKFJMlPYu/tOEo4g/MqSFf z0qjDhUi9MvbXE/12GtXvaXUzh0R9Dgrh8XtoOCvjOsdIfs/TbXF7KU6RK/haYNvKACk 73hw== X-Gm-Message-State: APjAAAVFTjM0IOYJYTkggF/BmjT8j+TcXIGEfeiUvEnK8Vo9Dnsicxq8 dg5XK3ouHfHJVo2/cMOchYQH3/xPWNg2jg== X-Google-Smtp-Source: APXvYqxQ/tVK0xBvUPL4ZZND/2qNqR8rhj5RjyPjQKmWe03Fp6p4bl2cXOTxSf/H038WNfLJvJ643Q== X-Received: by 2002:a5d:4c84:: with SMTP id z4mr26856377wrs.423.1581999496739; Mon, 17 Feb 2020 20:18:16 -0800 (PST) Received: from localhost.localdomain ([41.234.233.158]) by smtp.gmail.com with ESMTPSA id k16sm4228083wru.0.2020.02.17.20.18.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2020 20:18:16 -0800 (PST) From: Robear Selwans X-Google-Original-From: Robear Selwans To: git@vger.kernel.org Cc: "brian m. carlson" , Jeff King , Junio C Hamano Subject: [GSoC][RFC][PATCH 1/2] STRBUF_INIT_CONST: a new way to initialize strbuf Date: Tue, 18 Feb 2020 04:18:04 +0000 Message-Id: <20200218041805.10939-2-robear.selwans@outlook.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200218041805.10939-1-robear.selwans@outlook.com> References: <20200218041805.10939-1-robear.selwans@outlook.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org A new function `STRBUF_INIT_CONST(const_str)` was added to allow for a quick initialization of strbuf. Details: Using `STRBUF_INIT_CONST(str)` creates a new struct of type `strbuf` and initializes its `buf`, `len` and `alloc` as `str`, `strlen(str)` and `0`, respectively. Use Case: This is meant to be used to initialize strbufs with constant values and thus, only allocating memory when needed. Usage Example: ``` strbuf env_var = STRBUF_INIT_CONST("dev"); ``` This was added according to the issue opened at [https://github.com/gitgitgadget/git/issues/398] Signed-off-by: Robear Selwans --- strbuf.h | 1 + 1 file changed, 1 insertion(+) diff --git a/strbuf.h b/strbuf.h index bfa66569a4..1a1753424c 100644 --- a/strbuf.h +++ b/strbuf.h @@ -71,6 +71,7 @@ struct strbuf { extern char strbuf_slopbuf[]; #define STRBUF_INIT { .alloc = 0, .len = 0, .buf = strbuf_slopbuf } +#define STRBUF_INIT_CONST(const_str) { .alloc = 0, .len = strlen(const_str), .buf = const_str } /* * Predeclare this here, since cache.h includes this file before it defines the -- 2.17.1