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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL 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 86486C4338F for ; Wed, 18 Aug 2021 10:39:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 601956103A for ; Wed, 18 Aug 2021 10:39:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234457AbhHRKjw (ORCPT ); Wed, 18 Aug 2021 06:39:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230072AbhHRKjt (ORCPT ); Wed, 18 Aug 2021 06:39:49 -0400 Received: from mail-vk1-xa29.google.com (mail-vk1-xa29.google.com [IPv6:2607:f8b0:4864:20::a29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8BA78C061764 for ; Wed, 18 Aug 2021 03:39:14 -0700 (PDT) Received: by mail-vk1-xa29.google.com with SMTP id bb10so547688vkb.9 for ; Wed, 18 Aug 2021 03:39:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=c05c2VA2MudYLrhVOMigv+VG9dbR4PYlYP6fL1Dj/YM=; b=rgdSnb/j0A+vO6m5/4qP5cqI5I48XNnx9tXw1SwtSl9EYIyoUWbvPEIbPh9lqszjL9 j7Vdm6x5QjbxWNQQo36P1b4dpj94I7mpXhTnQBl1YjQIDiPeITgM6GMG0oJj4tsRpgWj DoCkGMyAHYft4f8QDVx6YcpzwTS6XwUGdQE8mNBAAcg/pATGqnb76MzLB4+WsBBasr+p S+pwAm4/+V3teamhunpdYO1e9YJiHEUIqeCNxCz8KDXb0iuRC2kzP4yd2qgM2IwdBA22 sc5kTWTVv8QyDai+mu3flDxN+2MiMEMsISgxNRDYp3cXuSQqVF87/VkGrw8pCrWQQxKm Hjxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=c05c2VA2MudYLrhVOMigv+VG9dbR4PYlYP6fL1Dj/YM=; b=hyXEtDSZJZlNl7Zx2nnR62VzPk/F96lg9OCdzZL5NPSEHWng+GMMWyVh2CKGkpKvX8 Hm5X3+jAbwMQwHYmiIqLhrQlu3x88EwKlZg5NcyYxOVT2q0rdBHuey37auPVCJOY2of8 NkpRUlwfznYwYp9/jDFScn3NENrFz/pV5zJsHb1FD+1BjdzlJ9r9zvP0dYawIzKAZkZP 9OMs5SHq7L7g/AxAPklkZ2t4H0sT2TnDytFWufS0nSYlErPfljgg5buv8sZGxeCS9KVd i+SrH2qK8Ipd7DzFUcs8GM98G3HOF4bfsgxPeryloT9igf4mS/Iyogq87zo4RNB2drrH FY/w== X-Gm-Message-State: AOAM533otL8P7ZWXE/sPREtdiROn1v82/6VaHXqaYm+pMttrN6WC2bhz frWa8PIzFjh3s6yh7ovHV9qyQz6/62Kl3THqLbrmcg== X-Google-Smtp-Source: ABdhPJzxsrb6wRS7m/gJ0cxeNsQ/j7DwNTJuEAm2VztBDbwYR9lkTkG5sfnAvfqQLWRdgo3ZD5OGrDUFjqCIV+Lwcig= X-Received: by 2002:a1f:a2d1:: with SMTP id l200mr6235705vke.1.1629283153495; Wed, 18 Aug 2021 03:39:13 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Han-Wen Nienhuys Date: Wed, 18 Aug 2021 12:39:01 +0200 Message-ID: Subject: Re: [PATCH v3 08/25] Provide zlib's uncompress2 from compat/zlib-compat.c To: philipoakley@iee.email Cc: Han-Wen Nienhuys via GitGitGadget , git@vger.kernel.org, =?UTF-8?Q?Carlo_Marcelo_Arenas_Bel=C3=B3n?= , Han-Wen Nienhuys Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Wed, Aug 18, 2021 at 12:14 PM Philip Oakley wro= te: > > On 17/08/2021 14:39, Han-Wen Nienhuys via GitGitGadget wrote: > > From: Han-Wen Nienhuys > > > > This will be needed for reading reflog blocks in reftable. > > How large might the reftable become? In particular will it exceed the > 32bit Long limit on Windows? A reftable file is organized as a sequence of blocks. Each block has max size 2^24, and the zlib compression is done per-block. So zlib should not introduce a new 4G limit. The intra-file offsets for the blocks themselves are encoded either as varint (index values) or as uint64 (file footer), so reftable files beyond 4G should be no problem. --=20 Han-Wen Nienhuys - Google Munich I work 80%. Don't expect answers from me on Fridays. -- Google Germany GmbH, Erika-Mann-Strasse 33, 80636 Munich Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg Gesch=C3=A4ftsf=C3=BChrer: Paul Manicle, Halimah DeLaine Prado