From nobody Tue Feb 10 04:13:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1610576164; cv=none; d=zohomail.com; s=zohoarc; b=Jf3jnN+5Sy5WurJPcuMJ99bwue6oE4T2Z9dCFOsdBtO66kjq+7FE9v0ZSkY5ZJ8S/AT3oHCddXL0TzCgzm0fzn4C1Rye4WvYElN4TIniAcfrUbYJtgbQxzWffTHo4Oa5YJ73aJBloeCXZ0iD6nqFzO/n1I00o36Njh9w0G/p/8Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610576164; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=HvRm14N5gc5L2Vm3/eIwg6y25D08xuhVkD08X5eyYWY=; b=Yw0RhxoCfqKz1IrpdwZiW6+Updicuq7CHrXiZIQzMlUXLjOREbqJkOQHJSZTjH09xGj51wHBYLPZILdf5cAY32vkUsw1T5pvwt8Pu8j9LD6+JmP4C1NLRgjkMJdPFnBl38tdEm3D+1c1HKlf9QDSIr6t0SwpXhPRWp/IfYOpnxA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1610576164290548.4619048640876; Wed, 13 Jan 2021 14:16:04 -0800 (PST) Received: from localhost ([::1]:44086 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzoQs-00076Y-Qn for importer@patchew.org; Wed, 13 Jan 2021 17:16:02 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44756) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzoLa-0001KA-Re for qemu-devel@nongnu.org; Wed, 13 Jan 2021 17:10:35 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:32279) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kzoLP-0001iu-P3 for qemu-devel@nongnu.org; Wed, 13 Jan 2021 17:10:34 -0500 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-521-Sv0f45JFPx2rWqx5Pg8_DA-1; Wed, 13 Jan 2021 17:10:18 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9AD6B192D78B; Wed, 13 Jan 2021 22:10:17 +0000 (UTC) Received: from blue.redhat.com (ovpn-113-36.phx2.redhat.com [10.3.113.36]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3B6F510016F7; Wed, 13 Jan 2021 22:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610575822; 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=HvRm14N5gc5L2Vm3/eIwg6y25D08xuhVkD08X5eyYWY=; b=J+msSTHspSXmk6Hn5a1qDf8T0lfM0VsnAuLLkxe9xgSLVsyZhojVkS9/jNOoAegBSe80T5 A4d9wNd9V2pcCEV3J5Ya54y70452V3Jup/c9VmRSzBMhZJtiNaQUW8PXz7QYR84nJXElbJ pOyXNyAwgKjVV0RvxUd7HF8XWhn8k7E= X-MC-Unique: Sv0f45JFPx2rWqx5Pg8_DA-1 From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v4 3/5] qapi: Introduce QAPI_LIST_APPEND Date: Wed, 13 Jan 2021 16:10:11 -0600 Message-Id: <20210113221013.390592-4-eblake@redhat.com> In-Reply-To: <20210113221013.390592-1-eblake@redhat.com> References: <20210113221013.390592-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 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: 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=216.205.24.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=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: Michael Roth , vsementsov@virtuozzo.com, armbru@redhat.com 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" 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 Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Markus Armbruster --- include/qapi/util.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/qapi/util.h b/include/qapi/util.h index 6178e98e97a5..d7bfb30e25c6 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) =3D _tmp; \ } while (0) +/* + * For any pointer to a GenericList @tail (usually the 'next' member of a + * list element), 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) =3D g_malloc0(sizeof(**(tail))); \ + (*(tail))->value =3D (element); \ + (tail) =3D &(*(tail))->next; \ +} while (0) + #endif --=20 2.30.0