From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 AF859C2D0E4 for ; Fri, 13 Nov 2020 01:18:09 +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 2B8FB216C4 for ; Fri, 13 Nov 2020 01:18:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ir6wgJ26" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B8FB216C4 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]:60348 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kdNj5-0006bd-Vd for qemu-devel@archiver.kernel.org; Thu, 12 Nov 2020 20:18:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43838) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kdNfc-00032p-Jw for qemu-devel@nongnu.org; Thu, 12 Nov 2020 20:14:32 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:30181) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kdNfb-00039O-0l for qemu-devel@nongnu.org; Thu, 12 Nov 2020 20:14:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605230070; 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=TtKceOPcfijKA0lu5EBBrSOzESFqQZvnqvrNydbWnbw=; b=ir6wgJ26wDS+XRkC2X0ts6Ba+Ugiiqcwe92bkWSK3Aev4hU28LVL4ruv67yEF0/7PEcejc Q7uQNFkcj3P0rU/MjuJjFx5eizWNLLKkJJW8pUypUfEe09aUlJBDLj8b59SqgoEZ3I8vB6 E5z3Xu3lots5yKgwzX6IOJyhR8aAqwU= 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-326-ol9ktYG1NI2lKVdIMLsVPA-1; Thu, 12 Nov 2020 20:14:28 -0500 X-MC-Unique: ol9ktYG1NI2lKVdIMLsVPA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CCDC81074643; Fri, 13 Nov 2020 01:14:27 +0000 (UTC) Received: from blue.redhat.com (ovpn-113-51.phx2.redhat.com [10.3.113.51]) by smtp.corp.redhat.com (Postfix) with ESMTP id D2ABB19C71; Fri, 13 Nov 2020 01:14:25 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v2 5/7] qapi: Introduce QAPI_LIST_APPEND Date: Thu, 12 Nov 2020 19:13:38 -0600 Message-Id: <20201113011340.463563-6-eblake@redhat.com> In-Reply-To: <20201113011340.463563-1-eblake@redhat.com> References: <20201113011340.463563-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/12 16:09:27 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: armbru@redhat.com, Michael Roth Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Similar to the existing QAPI_LIST_PREPEND, but designed for use where we want to preserve insertion order. Callers will be added in upcoming patches. Note the difference in signature: PREPEND takes List*, APPEND takes List**. Signed-off-by: Eric Blake --- include/qapi/util.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/qapi/util.h b/include/qapi/util.h index 6178e98e97a5..8b4967990c0d 100644 --- a/include/qapi/util.h +++ b/include/qapi/util.h @@ -37,4 +37,17 @@ int parse_qapi_name(const char *name, bool complete); (list) = _tmp; \ } while (0) +/* + * For any pointer to a GenericList @tail, insert @element at the back and + * update the tail. + * + * Note that this macro evaluates @element exactly once, so it is safe + * to have side-effects with that argument. + */ +#define QAPI_LIST_APPEND(tail, element) do { \ + *(tail) = g_malloc0(sizeof(**(tail))); \ + (*(tail))->value = (element); \ + (tail) = &(*tail)->next; \ +} while (0) + #endif -- 2.28.0