From mboxrd@z Thu Jan 1 00:00:00 1970 From: tboegi@web.de Subject: [PATCH v6 1/2] read-cache: factor out get_sha1_from_index() helper Date: Fri, 20 May 2016 19:12:24 +0200 Message-ID: <1463764344-21643-1-git-send-email-tboegi@web.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?UTF-8?q?Torsten=20B=C3=B6gershausen?= To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Fri May 20 19:16:07 2016 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 1b3ntZ-0003FJ-6y for gcvg-git-2@plane.gmane.org; Fri, 20 May 2016 19:07:29 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756145AbcETRHP convert rfc822-to-quoted-printable (ORCPT ); Fri, 20 May 2016 13:07:15 -0400 Received: from mout.web.de ([212.227.17.11]:60086 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755260AbcETRHN (ORCPT ); Fri, 20 May 2016 13:07:13 -0400 Received: from tor.lan ([195.252.60.88]) by smtp.web.de (mrweb101) with ESMTPSA (Nemesis) id 0MV4TZ-1b4cJ31kJp-00YNNg; Fri, 20 May 2016 19:07:04 +0200 X-Mailer: git-send-email 2.0.0.rc1.6318.g0c2c796 In-Reply-To: X-Provags-ID: V03:K0:78KRLa/sht1XPjHl94rpsFLMXeTULefwio959nt08GJzRXrQFUL MNApfMkoTafoXhheWVSC0IWZI6sUScOrSXNP4XfcE27mwViXvbeonydz3RWtehZd87lmQ5B /lMDurtPbE0O/O81u5gqZipYPxwnjoxEL4BYiKsHD/Y8tPkChkV6Nm6hJXw8B7hfQiyCMd2 HmbqWkVUUXE+I/IlzFK+A== X-UI-Out-Filterresults: notjunk:1;V01:K0:7mN6Jv7Tlys=:J33/QMjJ6XMGJTcXOLxi6H aS1Dc1ZWyn5TSOF9kvdFcM6+ftK8iVTW4IZV26MQhe/Yl+ZeRPD+/V059mRkVxtJWhRvNQOXk vPRGEehe4B1CzWIDyS6xPGXNKa4Djqmkb2GKBaRY2e/+Th5f2hztGUI3slnUlKqTUUQw+HlpU 908Shiql0o+6leFWkp5wDR93iYiB6HiubE+dRaOus5bepg7ekaKEBkU90YNdseyNdhd0/QSjr zPJlggAq5lSF5s5ovsvkwuHhpK47HfqGqC73kXRJFg1XKkHRRy4KFwo3XeQqhoZaiKXT34RTh c7ZeEx9h+WdlGcRNwqaYrCJo5RUQNj1P1OAt2l4F51ZpCZHJkQkKHCtsFpnZiAPRmICExB3hc tTJ6YMAlaV/IwgEkmhunY9N4898rFkEgOSYW2lnzDqKCLlaHqCxFUsQ4SC/6VDmMDjU8uo81o tVRL3D2+h85930raeX18KLubrCdZAP5IWZjt5TCHGZg26Br7ELE1BsGcq9lgmYEt1nlf+Nul0 kk7ecsfpM7r0ZX1HRuGUoZSTHp6XW9PdJZ8icBtX5It7QROxObUO++pZv28KIZyCKahucjznD lOgaPzCwj52TJMIunOWEJCzn8HdDS522VJ0w92sO3d9wNNT4PHF92wgMB4O5P+2GxGWNbo1m3 J64e8KjC6U4Xv2TdyyxtkdU8yP7fO3O3xoAqFIYRjXqg468zngAxhWTwLzXcWJqBtipV+12Va SHlFLzskVmAhh1xp14tjBNwfDyaHLU1fIIfbFJxEklt492E7rNlP2HyPjPR5mkJol41unnH/ Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: =46rom: Torsten B=C3=B6gershausen =46actor out the retrieval of the sha1 for a given path in read_blob_data_from_index() into the function get_sha1_from_index(). This will be used in the next commit, when convert.c can do the analyze for "text=3Dauto" without slurping the whole blob into memory at once. Add a wrapper definition get_sha1_from_cache(). Signed-off-by: Torsten B=C3=B6gershausen --- cache.h | 3 +++ read-cache.c | 29 ++++++++++++++++++----------- 2 files changed, 21 insertions(+), 11 deletions(-) diff --git a/cache.h b/cache.h index 160f8e3..15a2a10 100644 --- a/cache.h +++ b/cache.h @@ -379,6 +379,7 @@ extern void free_name_hash(struct index_state *ista= te); #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, = at) #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec) #define read_blob_data_from_cache(path, sz) read_blob_data_from_index(= &the_index, (path), (sz)) +#define get_sha1_from_cache(path) get_sha1_from_index (&the_index, (p= ath)) #endif =20 enum object_type { @@ -1038,6 +1039,8 @@ static inline void *read_sha1_file(const unsigned= char *sha1, enum object_type * return read_sha1_file_extended(sha1, type, size, LOOKUP_REPLACE_OBJEC= T); } =20 +const unsigned char *get_sha1_from_index(struct index_state *istate, c= onst char *path); + /* * This internal function is only declared here for the benefit of * lookup_replace_object(). Please do not call it directly. diff --git a/read-cache.c b/read-cache.c index d9fb78b..a3ef967 100644 --- a/read-cache.c +++ b/read-cache.c @@ -2263,13 +2263,27 @@ int index_name_is_other(const struct index_stat= e *istate, const char *name, =20 void *read_blob_data_from_index(struct index_state *istate, const char= *path, unsigned long *size) { - int pos, len; + const unsigned char *sha1; unsigned long sz; enum object_type type; void *data; =20 - len =3D strlen(path); - pos =3D index_name_pos(istate, path, len); + sha1 =3D get_sha1_from_index(istate, path); + if (!sha1) + return NULL; + data =3D read_sha1_file(sha1, &type, &sz); + if (!data || type !=3D OBJ_BLOB) { + free(data); + return NULL; + } + if (size) + *size =3D sz; + return data; +} + +const unsigned char *get_sha1_from_index(struct index_state *istate, c= onst char *path) +{ + int pos =3D index_name_pos(istate, path, strlen(path)); if (pos < 0) { /* * We might be in the middle of a merge, in which @@ -2285,14 +2299,7 @@ void *read_blob_data_from_index(struct index_sta= te *istate, const char *path, un } if (pos < 0) return NULL; - data =3D read_sha1_file(istate->cache[pos]->sha1, &type, &sz); - if (!data || type !=3D OBJ_BLOB) { - free(data); - return NULL; - } - if (size) - *size =3D sz; - return data; + return (istate->cache[pos]->sha1); } =20 void stat_validity_clear(struct stat_validity *sv) --=20 2.0.0.rc1.6318.g0c2c796