From patchwork Thu Apr 9 15:30:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 284507 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5667C2BA2B for ; Thu, 9 Apr 2020 15:32:12 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B2E1920784 for ; Thu, 9 Apr 2020 15:32:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XqqTAJcO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2E1920784 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51756 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMZA3-0002tE-Ok for qemu-devel@archiver.kernel.org; Thu, 09 Apr 2020 11:32:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50602) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMZ8l-00019P-Hn for qemu-devel@nongnu.org; Thu, 09 Apr 2020 11:30:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMZ8k-0003iZ-D6 for qemu-devel@nongnu.org; Thu, 09 Apr 2020 11:30:51 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:48036 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jMZ8k-0003hs-A5 for qemu-devel@nongnu.org; Thu, 09 Apr 2020 11:30:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1586446250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gOCUd8UN3wzT8fEQwhe54oUKmFBLgPdAHxu8KZRWRng=; b=XqqTAJcO90/SnYHrstpLvSgEtVopFBqsWJDUiZvparBCGAK1qn1XT5oxBp9ui521ExOfqr PZyY5T17FpknLY6OJ5vYrLA7+HSddS4qamtGqcaaMamoKrCEX68uaB6oI08WnijB8sLWwy kP0EVWLckWCtc0freoR8vOK44bAdhTk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-363-0F6hhmfNNkqBsbSD6xP5lQ-1; Thu, 09 Apr 2020 11:30:45 -0400 X-MC-Unique: 0F6hhmfNNkqBsbSD6xP5lQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 694F818FF661; Thu, 9 Apr 2020 15:30:44 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-113-20.ams2.redhat.com [10.36.113.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 37BCA9D348; Thu, 9 Apr 2020 15:30:44 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 438CA11358B2; Thu, 9 Apr 2020 17:30:41 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH for-5.1 5/8] qemu-option: Fix has_help_option()'s sloppy parsing Date: Thu, 9 Apr 2020 17:30:38 +0200 Message-Id: <20200409153041.17576-6-armbru@redhat.com> In-Reply-To: <20200409153041.17576-1-armbru@redhat.com> References: <20200409153041.17576-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-block@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" has_help_option() uses its own parser. It's inconsistent with qemu_opts_parse(), as demonstrated by test-qemu-opts case /qemu-opts/has_help_option. Fix by reusing the common parser. Signed-off-by: Markus Armbruster --- tests/test-qemu-opts.c | 2 +- util/qemu-option.c | 39 +++++++++++++++++++-------------------- 2 files changed, 20 insertions(+), 21 deletions(-) diff --git a/tests/test-qemu-opts.c b/tests/test-qemu-opts.c index 27c24bb1a2..58a4ea2408 100644 --- a/tests/test-qemu-opts.c +++ b/tests/test-qemu-opts.c @@ -744,7 +744,7 @@ static void test_has_help_option(void) { "a,help", true, true, true }, { "a=0,help,b", true, true, true }, { "help,b=1", true, true, false }, - { "a,b,,help", false /* BUG */, true, true }, + { "a,b,,help", true, true, true }, }; int i; QemuOpts *opts; diff --git a/util/qemu-option.c b/util/qemu-option.c index 6403e521fc..279f1b3fb3 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -165,26 +165,6 @@ void parse_option_size(const char *name, const char *value, *ret = size; } -bool has_help_option(const char *param) -{ - const char *p = param; - bool result = false; - - while (*p && !result) { - char *value; - - p = get_opt_value(p, &value); - if (*p) { - p++; - } - - result = is_help_option(value); - g_free(value); - } - - return result; -} - bool is_valid_option_list(const char *p) { char *value = NULL; @@ -890,6 +870,25 @@ static char *opts_parse_id(const char *params) return NULL; } +bool has_help_option(const char *params) +{ + const char *p; + char *name, *value; + bool ret; + + for (p = params; *p;) { + p = get_opt_name_value(p, NULL, &name, &value); + ret = !strcmp(name, "help"); + g_free(name); + g_free(value); + if (ret) { + return true; + } + } + + return false; +} + /** * Store options parsed from @params into @opts. * If @firstname is non-null, the first key=value in @params may omit