From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42599) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fa1au-0004SY-Cg for qemu-devel@nongnu.org; Mon, 02 Jul 2018 12:22:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fa1as-0006g2-0e for qemu-devel@nongnu.org; Mon, 02 Jul 2018 12:22:28 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:54118 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fa1ar-0006e6-Ic for qemu-devel@nongnu.org; Mon, 02 Jul 2018 12:22:25 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BAE95402316D for ; Mon, 2 Jul 2018 16:22:24 +0000 (UTC) From: Markus Armbruster Date: Mon, 2 Jul 2018 18:22:07 +0200 Message-Id: <20180702162218.13678-22-armbru@redhat.com> In-Reply-To: <20180702162218.13678-1-armbru@redhat.com> References: <20180702162218.13678-1-armbru@redhat.com> Subject: [Qemu-devel] [PATCH 21/32] qobject: New qdict_from_jsonf_nofail() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peterx@redhat.com, eblake@redhat.com, stefanha@redhat.com, dgilbert@redhat.com Many uses of qobject_from_jsonf() convert JSON objects. Create new convenience function qdict_from_jsonf_nofail() that includes the conversion to QDict. The next few commits will put it to use. Signed-off-by: Markus Armbruster --- include/qapi/qmp/qjson.h | 2 ++ qobject/qjson.c | 18 ++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/include/qapi/qmp/qjson.h b/include/qapi/qmp/qjson.h index b274ac3a86..43b2ce2f33 100644 --- a/include/qapi/qmp/qjson.h +++ b/include/qapi/qmp/qjson.h @@ -19,6 +19,8 @@ QObject *qobject_from_jsonf(const char *string, ...) GCC_FMT_ATTR(1, 2); QObject *qobject_from_jsonv(const char *string, va_list *ap, Error **errp) GCC_FMT_ATTR(1, 0); +QDict *qdict_from_jsonf_nofail(const char *string, ...) GCC_FMT_ATTR(1, 2); + QString *qobject_to_json(const QObject *obj); QString *qobject_to_json_pretty(const QObject *obj); diff --git a/qobject/qjson.c b/qobject/qjson.c index 9816a65c7d..0df3120202 100644 --- a/qobject/qjson.c +++ b/qobject/qjson.c @@ -76,6 +76,24 @@ QObject *qobject_from_jsonf(const char *string, ...) return obj; } +/* + * Parse @string as JSON object with %-escapes interpolated. + * Abort on error. Do not use with untrusted @string. + * Return the resulting QDict. It is never null. + */ +QDict *qdict_from_jsonf_nofail(const char *string, ...) +{ + QDict *obj; + va_list ap; + + va_start(ap, string); + obj = qobject_to(QDict, qobject_from_jsonv(string, &ap, &error_abort)); + va_end(ap); + + assert(obj); + return obj; +} + typedef struct ToJsonIterState { int indent; -- 2.17.1