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=-5.0 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD 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 0FEB62070C for ; Wed, 6 Jul 2016 20:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755756AbcGFU0v (ORCPT ); Wed, 6 Jul 2016 16:26:51 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:35966 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755693AbcGFU0u (ORCPT ); Wed, 6 Jul 2016 16:26:50 -0400 Received: by mail-pa0-f66.google.com with SMTP id ib6so5804122pad.3 for ; Wed, 06 Jul 2016 13:26:49 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=FaZsdWHkSMTWRVljl9VsOQNnHresblJhXSzhdAB1nXE=; b=kgF2BPbUoCNhA3GkNsVrhc7gqcPsKojnBWIHA0NMo/z8DkfAKwa3vnf90Hen7kYpd5 QjUYGCGUYQnzUXBGIJQRryPLlJKkbgTQK6FuFoFoUgGTQQTaD6cYG7ureU7o5waQj13u lENDRtKmGwshNwJ7ZBwc8EmLozukQcPR+EOrZm2NMKapsOuoHKu0RVkcrH9iN3Z2oz0B vl1c+pfALv1CtrsvfggdZ5LwVJWB2vmf8neKi5Q/cVTeXtD2t1Hqg69zhGSS+SO+wpuc njh6TdXreg+dFDDnOeTkiX9VIvNzoQPP7bqjnGMbrW5s+ZqgOJ1i0+xb6cHTMiJ7zHVA 47tA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FaZsdWHkSMTWRVljl9VsOQNnHresblJhXSzhdAB1nXE=; b=jrwhV/ahtdEJc5enqWgfkzIx6ym5xG7PkV7DuJqW8/i2mD4rPAhR3wQEMI7o72NTih 0kBysnfqLYqWmdxP7r7xI081WmqEiG2G1EQpPq+TJuOoR8e+xGci+nuJzShJAq8HmRqd hsKVgZwuVUuc5iPEWByohoA8ySVfOcrQ+9Z/RpXDIuOrhfdfndFiahLP0chvT2Closg7 Va1g/o+bSf+e2yMwNJ+uKQOo+0tnWZqb+fNhORUDzELMBVkBPSoOTbEVerzDSbPeakfN ooseE65SPab1VUf9xkct1d53szew3m0NeAWXw1baCx54GZMiwn5BGhC8KYeCxpTPOCf/ OOEQ== X-Gm-Message-State: ALyK8tJfp+Uuwhloi/bvA/aAyYDBf6k5gdkfVgeqLoz2p7t8JKGQ85BmLsFTyplLAxe35Q== X-Received: by 10.66.162.3 with SMTP id xw3mr44935940pab.82.1467836809421; Wed, 06 Jul 2016 13:26:49 -0700 (PDT) Received: from localhost.localdomain ([27.106.54.176]) by smtp.gmail.com with ESMTPSA id a87sm6272459pfc.63.2016.07.06.13.26.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 06 Jul 2016 13:26:48 -0700 (PDT) From: Pranit Bauva To: git@vger.kernel.org Cc: Pranit Bauva , larsxschneider@gmail.com, christian.couder@gmail.com, chriscool@tuxfamily.org, sunshine@sunshineco.com Subject: [PATCH v4 3/6] wrapper: move is_empty_file() and rename it as is_empty_or_missing_file() Date: Thu, 7 Jul 2016 01:55:20 +0530 Message-Id: <20160706202523.9850-4-pranit.bauva@gmail.com> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160706202523.9850-1-pranit.bauva@gmail.com> References: <20160626122356.28999-1-pranit.bauva@gmail.com> <20160706202523.9850-1-pranit.bauva@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ next: 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; +} -- 2.9.0