From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id BBD071FD99 for ; Wed, 10 Aug 2016 22:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752342AbcHJWwn (ORCPT ); Wed, 10 Aug 2016 18:52:43 -0400 Received: from a7-12.smtp-out.eu-west-1.amazonses.com ([54.240.7.12]:39215 "EHLO a7-12.smtp-out.eu-west-1.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751497AbcHJWwn convert rfc822-to-8bit (ORCPT ); Wed, 10 Aug 2016 18:52:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=ihchhvubuqgjsxyuhssfvqohv7z3u4hn; d=amazonses.com; t=1470866239; h=From:To:Message-ID:In-Reply-To:References:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Date:Feedback-ID; bh=+X7IQ0ITBq+C6x2nClmwKqMO74ovBnjZXdgBQfF2mgc=; b=YL2cAARoxROBCgUU5BOz9ewiC1elEvpa2UcvH79swApWcK+aOGkDYwVcqu9HUa6A YHu0zthpq9L/DU6m5wnt8yHSLIMWFp0E8zYGGhp0nEZuonRm3jqBgYelTABA45wSsD0 w5FX/RFscoj3l0OJr6aL+CFQEULL4eoCgfiS0hDE= From: Pranit Bauva To: git@vger.kernel.org Message-ID: <010201567675ae57-614652e4-7e6c-4451-a4cf-aa73922fe552-000000@eu-west-1.amazonses.com> In-Reply-To: <010201567675adc1-17e27495-6b36-40d1-836d-814da029fcc4-000000@eu-west-1.amazonses.com> References: <010201567675adc1-17e27495-6b36-40d1-836d-814da029fcc4-000000@eu-west-1.amazonses.com> Subject: [PATCH v12 06/13] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Date: Wed, 10 Aug 2016 21:57:19 +0000 X-SES-Outgoing: 2016.08.10-54.240.7.12 Feedback-ID: 1.eu-west-1.YYPRFFOog89kHDDPKvTu4MK67j4wW0z7cAgZtFqQH58=:AmazonSES Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org is_empty_file() can help to refactor a lot of code. This will be very helpful in porting "git bisect" to C. Suggested-by: Torsten Bögershausen Mentored-by: Lars Schneider Mentored-by: Christian Couder Signed-off-by: Pranit Bauva --- builtin/am.c | 20 ++------------------ cache.h | 3 +++ wrapper.c | 13 +++++++++++++ 3 files changed, 18 insertions(+), 18 deletions(-) diff --git a/builtin/am.c b/builtin/am.c index 3dfe70b..6ee158f 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -30,22 +30,6 @@ #include "mailinfo.h" /** - * Returns 1 if the file is empty or does not exist, 0 otherwise. - */ -static int is_empty_file(const char *filename) -{ - struct stat st; - - if (stat(filename, &st) < 0) { - if (errno == ENOENT) - return 1; - die_errno(_("could not stat %s"), filename); - } - - return !st.st_size; -} - -/** * Returns the length of the first line of msg. */ static int linelen(const char *msg) @@ -1323,7 +1307,7 @@ static int parse_mail(struct am_state *state, const char *mail) goto finish; } - if (is_empty_file(am_path(state, "patch"))) { + if (is_empty_or_missing_file(am_path(state, "patch"))) { printf_ln(_("Patch is empty. Was it split wrong?")); die_user_resolve(state); } @@ -1911,7 +1895,7 @@ static void am_run(struct am_state *state, int resume) resume = 0; } - if (!is_empty_file(am_path(state, "rewritten"))) { + if (!is_empty_or_missing_file(am_path(state, "rewritten"))) { assert(state->rebasing); copy_notes_for_rebase(state); run_post_rewrite_hook(state); diff --git a/cache.h b/cache.h index 6049f86..91e2f81 100644 --- a/cache.h +++ b/cache.h @@ -1870,4 +1870,7 @@ void sleep_millisec(int millisec); */ void safe_create_dir(const char *dir, int share); +/* Return 1 if the file is empty or does not exists, 0 otherwise. */ +extern int is_empty_or_missing_file(const char *filename); + #endif /* CACHE_H */ diff --git a/wrapper.c b/wrapper.c index 5dc4e15..e70e4d1 100644 --- a/wrapper.c +++ b/wrapper.c @@ -696,3 +696,16 @@ void sleep_millisec(int millisec) { poll(NULL, 0, millisec); } + +int is_empty_or_missing_file(const char *filename) +{ + struct stat st; + + if (stat(filename, &st) < 0) { + if (errno == ENOENT) + return 1; + die_errno(_("could not stat %s"), filename); + } + + return !st.st_size; +} -- https://github.com/git/git/pull/281