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: AS53758 23.128.96.0/24 X-Spam-Status: No, score=-3.8 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_MED, 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 41B6B1F8C7 for ; Mon, 30 Aug 2021 15:00:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237294AbhH3O64 (ORCPT ); Mon, 30 Aug 2021 10:58:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237162AbhH3O6x (ORCPT ); Mon, 30 Aug 2021 10:58:53 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80591C061760 for ; Mon, 30 Aug 2021 07:57:59 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id g135so9000803wme.5 for ; Mon, 30 Aug 2021 07:57:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:in-reply-to:references:from:date:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=6nw2gGbgLgD/ItZe7r3+xcBp3zrwfuUcf5x285TXfC0=; b=d33BB/6bmnWGE4hii88fmG8iub9xQVyXwIwIwDBFOMuKiAmAh2JJ2ZVQKlylF8HUAo agTSBDtV+TR1EOtqnysDsdHOyqM4wuTb2bQbb+08w7/assRAK/LItIAKyFsLmsALgB76 fr6Lbf0+gx7br3sTV+BGJ7PKUTy5LyKP1V1/cxLm5W8qZY0gf7zeef0REIsvKsH1RhcN 6FmvOK9TZnmTmsQAD9hXHnJTRPOCGyuIDlif1CfgnAUUKmrd+Rbqv881W3JfGCOcCw9y /7l54YLxAjuhrrG3SGjADztBaQ0A630NRlWztOpE9iVNmkkyDVsQdvFdJotRa48/XkjR LHMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:in-reply-to:references:from:date :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=6nw2gGbgLgD/ItZe7r3+xcBp3zrwfuUcf5x285TXfC0=; b=E9BYKDY9OyRPk6yMN3SoJksTsKBYtO6ipTKyS1qTvbVoVMYAJfdmw3fPFQeFsgXpc+ yCzSSpcKM5iUi7/ed3GcoowBWTXS+5T0SsbRwdrnzLZsARX9CVIIARyRuA4ESoefMk+l JgDOeCjiGMmrQ7HQvXzvWZ/rvO8kSWXQntU8V1y09CpOZ/A9k5gutPWFX6E7TGrSsPUz bEE87VwmORL6gnatacj9CNnnTJlR8rFVqxZZSeNrA4z39eIUOenvBGqwaaG2S4lQJDGa xx5piDIdRVE+dX62oA+PUAa2z3Y+zHYgxKgcSOVuGfL9EyDX1TnKj2Ee5HFZSIZR6jtr dPgQ== X-Gm-Message-State: AOAM530XcnlRixLvUghq/AQJJaG95Q6kox8a8Tix0ShgJCaPxuR26VrA FhjtYF2eMX7lb2Tq+OEuPbsMVMT8HNI= X-Google-Smtp-Source: ABdhPJxdjFwM0JnPG0AgDqwT3DcUmP/vHgLWeZX79bHLPRLjGx5GDcwy/sjDLmi8EAHVxNTYkBsMjQ== X-Received: by 2002:a1c:7d06:: with SMTP id y6mr22449793wmc.7.1630335478160; Mon, 30 Aug 2021 07:57:58 -0700 (PDT) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id z126sm14506135wmc.11.2021.08.30.07.57.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Aug 2021 07:57:57 -0700 (PDT) Message-Id: In-Reply-To: References: From: "Han-Wen Nienhuys via GitGitGadget" Date: Mon, 30 Aug 2021 14:57:37 +0000 Subject: [PATCH 01/19] hash.h: provide constants for the hash IDs Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 To: git@vger.kernel.org Cc: Han-Wen Nienhuys , Han-Wen Nienhuys Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Han-Wen Nienhuys This will simplify referencing them from code that is not deeply integrated with Git, in particular, the reftable library. Signed-off-by: Han-Wen Nienhuys --- hash.h | 6 ++++++ object-file.c | 7 ++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/hash.h b/hash.h index 9e25c40e9ac..5d40368f18a 100644 --- a/hash.h +++ b/hash.h @@ -95,12 +95,18 @@ static inline void git_SHA256_Clone(git_SHA256_CTX *dst, const git_SHA256_CTX *s /* Number of algorithms supported (including unknown). */ #define GIT_HASH_NALGOS (GIT_HASH_SHA256 + 1) +/* "sha1", big-endian */ +#define GIT_SHA1_FORMAT_ID 0x73686131 + /* The length in bytes and in hex digits of an object name (SHA-1 value). */ #define GIT_SHA1_RAWSZ 20 #define GIT_SHA1_HEXSZ (2 * GIT_SHA1_RAWSZ) /* The block size of SHA-1. */ #define GIT_SHA1_BLKSZ 64 +/* "s256", big-endian */ +#define GIT_SHA256_FORMAT_ID 0x73323536 + /* The length in bytes and in hex digits of an object name (SHA-256 value). */ #define GIT_SHA256_RAWSZ 32 #define GIT_SHA256_HEXSZ (2 * GIT_SHA256_RAWSZ) diff --git a/object-file.c b/object-file.c index a8be8994814..7bfd5e6e2e9 100644 --- a/object-file.c +++ b/object-file.c @@ -164,7 +164,6 @@ static void git_hash_unknown_final_oid(struct object_id *oid, git_hash_ctx *ctx) BUG("trying to finalize unknown hash"); } - const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { { NULL, @@ -183,8 +182,7 @@ const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { }, { "sha1", - /* "sha1", big-endian */ - 0x73686131, + GIT_SHA1_FORMAT_ID, GIT_SHA1_RAWSZ, GIT_SHA1_HEXSZ, GIT_SHA1_BLKSZ, @@ -199,8 +197,7 @@ const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = { }, { "sha256", - /* "s256", big-endian */ - 0x73323536, + GIT_SHA256_FORMAT_ID, GIT_SHA256_RAWSZ, GIT_SHA256_HEXSZ, GIT_SHA256_BLKSZ, -- gitgitgadget