From mboxrd@z Thu Jan 1 00:00:00 1970 From: tboegi@web.de Subject: [PATCH v7 1/2] read-cache: factor out get_sha1_from_index() helper Date: Sat, 21 May 2016 12:01:46 +0200 Message-ID: <1463824906-10190-1-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 Sat May 21 11:56:22 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 1b43du-0002Gb-5l for gcvg-git-2@plane.gmane.org; Sat, 21 May 2016 11:56:22 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751713AbcEUJ4K convert rfc822-to-quoted-printable (ORCPT ); Sat, 21 May 2016 05:56:10 -0400 Received: from mout.web.de ([212.227.15.4]:59148 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751666AbcEUJ4J (ORCPT ); Sat, 21 May 2016 05:56:09 -0400 Received: from tor.lan ([195.252.60.88]) by smtp.web.de (mrweb001) with ESMTPSA (Nemesis) id 0Lbrk4-1bnGHB1tWG-00jIcm; Sat, 21 May 2016 11:56:05 +0200 X-Mailer: git-send-email 2.0.0.rc1.6318.g0c2c796 In-Reply-To: X-Provags-ID: V03:K0:PL779izP3I5Pd1zaomKkUZWRrbCg1viyxk2twIDmr2bx5XVhIOx pocPYQjhCgRxSfvH5C33uUG1bWCF1ePrVNFVwlyFoxaMGM64XS8d8w1uhY2kyl9UibzU5PT r/caUWiga65Jwo2A4RaQwLbtwXp8LLa7zliJBgsmQbrOYTuLRYXsmRgVejUDqsWzFU6egK4 U2gTm86wBmubla3Z9eEFg== X-UI-Out-Filterresults: notjunk:1;V01:K0:J5j0doXx/9k=:+5s/4lJp7DG+8uZ7AqhUBD bQVoxYvl7/k9iTY+8OsGBi4vs6ksp4L45on/AxO1HdXcXepyDJlU49fbpKQjjuwW0MKX3R8TT GISTdS2Jt4h7U4bDmbMlaLzr6hvPFukoQ9w2NYQUZ4AkJhbojri21fsAsrfUEzdDhBh+j0H0o VDmxVGxmzSYQzuQ8RZupkjGA521DSZRWq/xrnG3JByNxeGuxP802ZEqJjLqMSk2ykcz5vaBSR pjOVWMfftmPrJSXLH0z74uiwsFjgWsywtJSEI9cBrDgCexx6Y77ZhZHeDgNqCLxeTG2zzI4k7 VWMMdIxAwl4BcHQ0SaJPfVrOs4tg6hM3HFG/YHhtzxsdoa74UkEKWHsRvah0XgGkmmJPXWfWS PZj+u+svbqsgtzavKneEFnLdnVViPJPhXf4NLyJYSCXIvCDzC7lPpjO6FPOna+Li+iVueK7RL 2ckRGUWw1joNFlijjdzn7vPrDM6AEdpX0cVj/otPz7Bk/fNU/XMT/MBS2XcxqYom6+FNwMo5L rXLAew3g6ybhuuhOU2BbDT+wkdaD+vyi+rwDvmS36BA+NaQLrWDLEs/7Jq3YIJpXFu1trQe4q IjSxwkfnmyYawgfszcoMRSOdHz+vpW8cxlFEvt4hT+sApdkSJEJBI9U8YRIOgwBzxwfHlz2wd Ouzjn+L57y6xxSoxfabGi+W1f25TENPXrrlM9sGY8ladJzlgdINDkKcN96vzNjCbrVm5r0KIH h23yYwETOTN/eGeYn+ZOxI7Ci12hkmZUk6TqzQEr9v+/+cvJEoZ/ZElk4refW7hCbAhIvWP3 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