From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Couder Subject: [PATCH v5 01/14] Add data structures and basic functions for commit trailers Date: Thu, 06 Feb 2014 21:19:50 +0100 Message-ID: <20140206202004.325.80557.chriscool@tuxfamily.org> References: <20140206194123.325.99451.chriscool@tuxfamily.org> Cc: git@vger.kernel.org, Johan Herland , Josh Triplett , Thomas Rast , Michael Haggerty , Eric Sunshine , Dan Carpenter , Greg Kroah-Hartman , Jeff King To: Junio C Hamano X-From: git-owner@vger.kernel.org Thu Feb 06 21:22:30 2014 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 1WBVSw-0004d4-1G for gcvg-git-2@plane.gmane.org; Thu, 06 Feb 2014 21:22:30 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755098AbaBFUVW (ORCPT ); Thu, 6 Feb 2014 15:21:22 -0500 Received: from mail-3y.bbox.fr ([194.158.98.45]:40464 "EHLO mail-3y.bbox.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754297AbaBFUVU (ORCPT ); Thu, 6 Feb 2014 15:21:20 -0500 Received: from [127.0.1.1] (cha92-h01-128-78-31-246.dsl.sta.abo.bbox.fr [128.78.31.246]) by mail-3y.bbox.fr (Postfix) with ESMTP id 967D33A; Thu, 6 Feb 2014 21:21:18 +0100 (CET) X-git-sha1: bfafa1a5ea78db84973a2bce1f85a401c05fe6a1 X-Mailer: git-mail-commits v0.5.2 In-Reply-To: <20140206194123.325.99451.chriscool@tuxfamily.org> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: We will use a doubly linked list to store all information about trailers and their configuration. This way we can easily remove or add trailers to or from trailer lists while traversing the lists in either direction. Signed-off-by: Christian Couder --- Makefile | 1 + trailer.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 trailer.c diff --git a/Makefile b/Makefile index b4af1e2..ec90feb 100644 --- a/Makefile +++ b/Makefile @@ -871,6 +871,7 @@ LIB_OBJS += submodule.o LIB_OBJS += symlinks.o LIB_OBJS += tag.o LIB_OBJS += trace.o +LIB_OBJS += trailer.o LIB_OBJS += transport.o LIB_OBJS += transport-helper.o LIB_OBJS += tree-diff.o diff --git a/trailer.c b/trailer.c new file mode 100644 index 0000000..f129b5a --- /dev/null +++ b/trailer.c @@ -0,0 +1,48 @@ +#include "cache.h" +/* + * Copyright (c) 2013 Christian Couder + */ + +enum action_where { WHERE_AFTER, WHERE_BEFORE }; +enum action_if_exist { EXIST_ADD_IF_DIFFERENT, EXIST_ADD_IF_DIFFERENT_NEIGHBOR, + EXIST_ADD, EXIST_OVERWRITE, EXIST_DO_NOTHING }; +enum action_if_missing { MISSING_ADD, MISSING_DO_NOTHING }; + +struct conf_info { + char *name; + char *key; + char *command; + enum action_where where; + enum action_if_exist if_exist; + enum action_if_missing if_missing; +}; + +struct trailer_item { + struct trailer_item *previous; + struct trailer_item *next; + const char *token; + const char *value; + struct conf_info *conf; +}; + +static inline int same_token(struct trailer_item *a, struct trailer_item *b, int alnum_len) +{ + return !strncasecmp(a->token, b->token, alnum_len); +} + +static inline int same_value(struct trailer_item *a, struct trailer_item *b) +{ + return !strcasecmp(a->value, b->value); +} + +static inline int same_trailer(struct trailer_item *a, struct trailer_item *b, int alnum_len) +{ + return same_token(a, b, alnum_len) && same_value(a, b); +} + +/* Get the length of buf from its beginning until its last alphanumeric character */ +static inline size_t alnum_len(const char *buf, int len) +{ + while (--len >= 0 && !isalnum(buf[len])); + return (size_t) len + 1; +} -- 1.8.5.2.206.g98f5689.dirty