From patchwork Tue Oct 8 06:44:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masatake YAMATO X-Patchwork-Id: 11178861 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E238718B7 for ; Tue, 8 Oct 2019 06:53:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C47BA217D7 for ; Tue, 8 Oct 2019 06:53:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730123AbfJHGxu (ORCPT ); Tue, 8 Oct 2019 02:53:50 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:50734 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730131AbfJHGxu (ORCPT ); Tue, 8 Oct 2019 02:53:50 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9D0FB4023031 for ; Tue, 8 Oct 2019 06:45:18 +0000 (UTC) Received: from slave.localdomain.com (unknown [10.64.193.217]) by smtp.corp.redhat.com (Postfix) with ESMTP id D6441178BA; Tue, 8 Oct 2019 06:45:17 +0000 (UTC) From: Masatake YAMATO To: selinux@vger.kernel.org Cc: yamato@redhat.com Subject: [PATCH 2/5] dispol: add an option for printing the command usage Date: Tue, 8 Oct 2019 15:44:57 +0900 Message-Id: <20191008064500.8651-4-yamato@redhat.com> In-Reply-To: <20191008064500.8651-1-yamato@redhat.com> References: <20191008064500.8651-1-yamato@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 08 Oct 2019 06:45:18 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 08 Oct 2019 06:45:18 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'yamato@redhat.com' RCPT:'' Sender: selinux-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: selinux@vger.kernel.org Signed-off-by: Masatake YAMATO --- checkpolicy/test/dispol.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/checkpolicy/test/dispol.c b/checkpolicy/test/dispol.c index 1d9556f4..37b22cf8 100644 --- a/checkpolicy/test/dispol.c +++ b/checkpolicy/test/dispol.c @@ -39,7 +39,7 @@ static policydb_t policydb; static __attribute__((__noreturn__)) void usage(const char *progname, int status) { - printf("usage: %s binary_pol_file\n\n", progname); + printf("usage: %s [-h] binary_pol_file\n\n", progname); exit(status); } @@ -395,7 +395,11 @@ int main(int argc, char **argv) int state; struct policy_file pf; - if (argc != 2) + if (argc <= 1) + usage(argv[0], 1); + else if (strcmp(argv[1], "-h") == 0) + usage(argv[0], 0); + else if (argc != 2) usage(argv[0], 1); fd = open(argv[1], O_RDONLY);