From nobody Fri Apr 19 16:18:42 2024 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=1600276856; cv=none; d=zohomail.com; s=zohoarc; b=bhKJq5rLp4xitec1Hrx/a552YOc2tUCcnhAGl12c3QVmwep7ebncdSxIpA82v0UduCcUNSBIIwKOSW8XtvhklDKqng+CwbjCmSzaKy+8Hy6gTMyQwMDUMmr9Kt1r53uswWC2jbWwXDEu0X2A32/lej4ZcYikQUZzL6CnmF8Ibxs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600276856; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=CgW2KANwbVMp0WkfF4cdtdysL1MWg1LCa6COmzA9/Q8=; b=Dpc7VFa9zSYu2yVeNywlYhfMARPzMGhrP+F3+NqzvP7LxzZeW5cRPIDNnZc08eWV7Zu+DOWQP7CBsUpbqvr9LvxqewISnP/Ow9ETDcApghANDKYVMGmYY/s/pGf/C7G6fjuoJMuNj+6xx+7zXhnWYPwuTJaiyHdCeBVIkb3yWuk= 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 1600276856890183.2018645866268; Wed, 16 Sep 2020 10:20:56 -0700 (PDT) Received: from localhost ([::1]:51800 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIb71-0004UO-Jc for importer@patchew.org; Wed, 16 Sep 2020 13:20:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39584) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIb5b-0003Xm-Lv for qemu-devel@nongnu.org; Wed, 16 Sep 2020 13:19:27 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:43976 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kIb5Y-0000EP-4W for qemu-devel@nongnu.org; Wed, 16 Sep 2020 13:19:27 -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-185-r6eNavfePB67cydZdInXlw-1; Wed, 16 Sep 2020 13:19:21 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 30CC1186DD23; Wed, 16 Sep 2020 17:19:20 +0000 (UTC) Received: from thuth.com (ovpn-113-19.ams2.redhat.com [10.36.113.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8B963702E7; Wed, 16 Sep 2020 17:19:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600276763; 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; bh=CgW2KANwbVMp0WkfF4cdtdysL1MWg1LCa6COmzA9/Q8=; b=WeJq1hSnNAJXTJjAc6CyDP4DbqOK8HCjb6BSZ5050ZUtAOZ2w8ODkdX0w56ZoHypOLB/o2 216Xum1+0XliKynqQL627c+v9I63Nt6g+OV7UfPGF/HTq5JBatIxJP0SDiZkIEi8zo05bf oUoIpLUaNVNQ7L8DwefGP9u0PwM4Sr4= X-MC-Unique: r6eNavfePB67cydZdInXlw-1 From: Thomas Huth To: Juan Quintela , "Dr. David Alan Gilbert" , qemu-devel@nongnu.org Subject: [PATCH] migration: Silence compiler warning in global_state_store_running() Date: Wed, 16 Sep 2020 19:19:13 +0200 Message-Id: <20200916171913.148681-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0.003 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" 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=207.211.31.81; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/16 11:15:25 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.999, 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_H2=-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: qemu-trivial@nongnu.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Richard Henderson , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) GCC 9.3.0 on Ubuntu complains: In file included from /usr/include/string.h:495, from /home/travis/build/huth/qemu/include/qemu/osdep.h:87, from ../migration/global_state.c:13: In function =E2=80=98strncpy=E2=80=99, inlined from =E2=80=98global_state_store_running=E2=80=99 at ../migrati= on/global_state.c:47:5: /usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: error: =E2=80= =98__builtin_strncpy=E2=80=99 specified bound 100 equals destination size [= -Werror=3Dstringop-truncation] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__de= st)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~= ~~~~ ... but we apparently really want to do the strncpy here. Silence the warning with QEMU_NONSTRING. Signed-off-by: Thomas Huth Reviewed-by: Eric Blake --- migration/global_state.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/migration/global_state.c b/migration/global_state.c index 25311479a4..f1355d7d97 100644 --- a/migration/global_state.c +++ b/migration/global_state.c @@ -43,9 +43,9 @@ int global_state_store(void) void global_state_store_running(void) { const char *state =3D RunState_str(RUN_STATE_RUNNING); + QEMU_NONSTRING char *dest =3D (char *)global_state.runstate; assert(strlen(state) < sizeof(global_state.runstate)); - strncpy((char *)global_state.runstate, - state, sizeof(global_state.runstate)); + strncpy(dest, state, sizeof(global_state.runstate)); } =20 bool global_state_received(void) --=20 2.18.2