From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vicent Marti Subject: [PATCH 14/16] sha1_file: implement `nth_packed_object_info` Date: Tue, 25 Jun 2013 01:23:11 +0200 Message-ID: <1372116193-32762-15-git-send-email-tanoku@gmail.com> References: <1372116193-32762-1-git-send-email-tanoku@gmail.com> Cc: Vicent Marti To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Tue Jun 25 01:24:36 2013 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1UrG7f-0003eB-5y for gcvg-git-2@plane.gmane.org; Tue, 25 Jun 2013 01:24:35 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752181Ab3FXXYO (ORCPT ); Mon, 24 Jun 2013 19:24:14 -0400 Received: from mail-we0-f182.google.com ([74.125.82.182]:45252 "EHLO mail-we0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752005Ab3FXXYL (ORCPT ); Mon, 24 Jun 2013 19:24:11 -0400 Received: by mail-we0-f182.google.com with SMTP id p60so8588719wes.41 for ; Mon, 24 Jun 2013 16:24:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=1N+QUp1LKguV9mEkM/YWQ2pE3QioWzZQIN93IxzX53w=; b=yJzm0WYpYpmulmeTj6gfKf9hllO3ajkuqgfBLoNmuaGC6x+IlQfnaGrMsbTWCMONiv 3lResYxhy6HA8bc0RTZLtvjSl6cAyAHSrv64FHppKlVe5Wsl3iXx4HiznPnI+9TJbR2n iHknwWWtrc4msjpujSQd2/km9K6MUTi7nW42VuA0RYWrczXIUKW12G1Fmvs+E4c5qd4F v9lpk1UmV1DNg6h0SVyhsd9AJe3I9DWqqi3pswCGoErwa2yWVqUOiQBOuS6gfujzn3WZ ZQyJgMc1hQyU1aUYM8mdjRal6FkdsM/3StVKtRnzhdxEjtU6VFCnF4LGW2MA574htDv7 eL7g== X-Received: by 10.180.126.2 with SMTP id mu2mr7346465wib.63.1372116250547; Mon, 24 Jun 2013 16:24:10 -0700 (PDT) Received: from localhost.localdomain (212.Red-81-32-36.dynamicIP.rima-tde.net. [81.32.36.212]) by mx.google.com with ESMTPSA id x13sm593766wib.3.2013.06.24.16.24.09 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 24 Jun 2013 16:24:09 -0700 (PDT) X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1372116193-32762-1-git-send-email-tanoku@gmail.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: A new helper function allows to efficiently query the size and real type of an object in a packfile based on its position on the packfile index. This is particularly useful when trying to parse all the information of an index in memory. --- cache.h | 1 + sha1_file.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/cache.h b/cache.h index bbe5e2a..26e4567 100644 --- a/cache.h +++ b/cache.h @@ -1104,6 +1104,7 @@ extern void clear_delta_base_cache(void); extern struct packed_git *add_packed_git(const char *, int, int); extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); +extern int nth_packed_object_info(struct packed_git *p, uint32_t n, unsigned long *sizep); extern int find_pack_entry_pos(const unsigned char *sha1, struct packed_git *p); extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); extern int is_pack_valid(struct packed_git *); diff --git a/sha1_file.c b/sha1_file.c index 018a847..fd5bd01 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -2223,6 +2223,12 @@ off_t nth_packed_object_offset(const struct packed_git *p, uint32_t n) } } +int nth_packed_object_info(struct packed_git *p, uint32_t n, unsigned long *sizep) +{ + off_t offset = nth_packed_object_offset(p, n); + return packed_object_info(p, offset, sizep, NULL); +} + int find_pack_entry_pos(const unsigned char *sha1, struct packed_git *p) { const uint32_t *level1_ofs = p->index_data; -- 1.7.9.5