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Wed, 29 Apr 2020 03:20:56 -0400 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-36-zpFDKbq9PCyPSXJHuJBrhg-1; Wed, 29 Apr 2020 03:20:52 -0400 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 265A3BFC3 for ; Wed, 29 Apr 2020 07:20:52 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-113-6.ams2.redhat.com [10.36.113.6]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E9EC9648C8; Wed, 29 Apr 2020 07:20:51 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id D984B11358C3; Wed, 29 Apr 2020 09:20:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588144854; 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=WFwTmY5izH7vt1PFzmbOpOPKretwC0f3JKTKzMM1H/Y=; b=MUt1L/rKGkcWmajys6VCZRuDnc6KHk+RB5MU1qo0QACmFkg/0BV9gQalf8jd4sFz12BXAD FtMm+B1ASp+3M1TSyxAXKSsxU8fuKy56ssVae/GkvVAlGkGFGLPR0g4E5T+tVRSXobLzXo MfImfLN1CIatsBnHGKOn5ewRhWqLaGU= X-MC-Unique: zpFDKbq9PCyPSXJHuJBrhg-1 From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 07/32] qemu-option: Avoid has_help_option() in qemu_opts_parse_noisily() Date: Wed, 29 Apr 2020 09:20:23 +0200 Message-Id: <20200429072048.29963-8-armbru@redhat.com> In-Reply-To: <20200429072048.29963-1-armbru@redhat.com> References: <20200429072048.29963-1-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 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/29 00:53:13 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" When opts_parse() sets @invalidp to true, qemu_opts_parse_noisily() uses has_help_option() to decide whether to print help. This parses the input string a second time. Easy to avoid: replace @invalidp by @help_wanted. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Message-Id: <20200415074927.19897-7-armbru@redhat.com> --- util/qemu-option.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/util/qemu-option.c b/util/qemu-option.c index 0abf26b61f..2d0d24ee27 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -519,7 +519,7 @@ int qemu_opt_unset(QemuOpts *opts, const char *name) } =20 static void opt_set(QemuOpts *opts, const char *name, char *value, - bool prepend, bool *invalidp, Error **errp) + bool prepend, bool *help_wanted, Error **errp) { QemuOpt *opt; const QemuOptDesc *desc; @@ -529,8 +529,8 @@ static void opt_set(QemuOpts *opts, const char *name, c= har *value, if (!desc && !opts_accepts_any(opts)) { g_free(value); error_setg(errp, QERR_INVALID_PARAMETER, name); - if (invalidp) { - *invalidp =3D true; + if (help_wanted && is_help_option(name)) { + *help_wanted =3D true; } return; } @@ -827,7 +827,7 @@ static const char *get_opt_name_value(const char *param= s, =20 static void opts_do_parse(QemuOpts *opts, const char *params, const char *firstname, bool prepend, - bool *invalidp, Error **errp) + bool *help_wanted, Error **errp) { Error *local_err =3D NULL; char *option, *value; @@ -843,7 +843,7 @@ static void opts_do_parse(QemuOpts *opts, const char *p= arams, continue; } =20 - opt_set(opts, option, value, prepend, invalidp, &local_err); + opt_set(opts, option, value, prepend, help_wanted, &local_err); g_free(option); if (local_err) { error_propagate(errp, local_err); @@ -903,7 +903,7 @@ void qemu_opts_do_parse(QemuOpts *opts, const char *par= ams, =20 static QemuOpts *opts_parse(QemuOptsList *list, const char *params, bool permit_abbrev, bool defaults, - bool *invalidp, Error **errp) + bool *help_wanted, Error **errp) { const char *firstname; char *id =3D opts_parse_id(params); @@ -928,7 +928,7 @@ static QemuOpts *opts_parse(QemuOptsList *list, const c= har *params, return NULL; } =20 - opts_do_parse(opts, params, firstname, defaults, invalidp, &local_err); + opts_do_parse(opts, params, firstname, defaults, help_wanted, &local_e= rr); if (local_err) { error_propagate(errp, local_err); qemu_opts_del(opts); @@ -964,11 +964,11 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list,= const char *params, { Error *err =3D NULL; QemuOpts *opts; - bool invalidp =3D false; + bool help_wanted =3D false; =20 - opts =3D opts_parse(list, params, permit_abbrev, false, &invalidp, &er= r); + opts =3D opts_parse(list, params, permit_abbrev, false, &help_wanted, = &err); if (err) { - if (invalidp && has_help_option(params)) { + if (help_wanted) { qemu_opts_print_help(list, true); error_free(err); } else { --=20 2.21.1