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=-6.9 required=3.0 tests=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 0FB0AC432C0 for ; Mon, 25 Nov 2019 13:41:53 +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 CA615207FD for ; Mon, 25 Nov 2019 13:41:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="avYSbkXJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA615207FD 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]:44090 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZEch-0003dO-TP for qemu-devel@archiver.kernel.org; Mon, 25 Nov 2019 08:41:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:43966) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZEZr-0000Zw-Kl for qemu-devel@nongnu.org; Mon, 25 Nov 2019 08:38:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iZEZp-0007iD-Hf for qemu-devel@nongnu.org; Mon, 25 Nov 2019 08:38:55 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:34320 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iZEZn-0007h0-Hl for qemu-devel@nongnu.org; Mon, 25 Nov 2019 08:38:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574689130; 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=wo8nMmg5eLNgbhvYGkzsTMpiAjxrROXdulWsJagBLNU=; b=avYSbkXJhQX37uiRckAv8rKlLlRCd6mZRsAoxnGJZyZ/ZJzirUCUADtLyEOucLEaIE1Dw6 +DCn1BLu33jkyIgjZNgGCaf5Qy1oliJqhwG3VQ0Yb65kZe1vUoF05QXCW6nxNkm91ju6OH s1C1Ax7+UIWrZbQ8oq6PiSw1zE1YLzs= 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-208-dxS8kqqFNAau4tSY7DjKEQ-1; Mon, 25 Nov 2019 08:38:49 -0500 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 CCB2DDB61; Mon, 25 Nov 2019 13:38:48 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-134.ams2.redhat.com [10.36.116.134]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 83BBF19C6A; Mon, 25 Nov 2019 13:38:48 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 056A011385C7; Mon, 25 Nov 2019 14:38:47 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 1/2] util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON() Date: Mon, 25 Nov 2019 14:38:45 +0100 Message-Id: <20191125133846.27790-2-armbru@redhat.com> In-Reply-To: <20191125133846.27790-1-armbru@redhat.com> References: <20191125133846.27790-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: dxS8kqqFNAau4tSY7DjKEQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] 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: , Cc: qemu-trivial@nongnu.org, tao3.xu@intel.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" qemu_strtoi64() assumes int64_t is long long. This is marked FIXME. Replace by a QEMU_BUILD_BUG_ON() to avoid surprises. Same for qemu_strtou64(). Fix a typo in qemu_strtoul()'s contract while there. Signed-off-by: Markus Armbruster --- util/cutils.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/util/cutils.c b/util/cutils.c index fd591cadf0..b372dd3e68 100644 --- a/util/cutils.c +++ b/util/cutils.c @@ -502,7 +502,7 @@ int qemu_strtoul(const char *nptr, const char **endptr,= int base, * Convert string @nptr to an int64_t. * * Works like qemu_strtol(), except it stores INT64_MAX on overflow, - * and INT_MIN on underflow. + * and INT64_MIN on underflow. */ int qemu_strtoi64(const char *nptr, const char **endptr, int base, int64_t *result) @@ -517,8 +517,9 @@ int qemu_strtoi64(const char *nptr, const char **endptr= , int base, return -EINVAL; } =20 + /* This assumes int64_t is long long TODO relax */ + QEMU_BUILD_BUG_ON(sizeof(int64_t) !=3D sizeof(long long));=20 errno =3D 0; - /* FIXME This assumes int64_t is long long */ *result =3D strtoll(nptr, &ep, base); return check_strtox_error(nptr, ep, endptr, errno); } @@ -541,8 +542,9 @@ int qemu_strtou64(const char *nptr, const char **endptr= , int base, return -EINVAL; } =20 + /* This assumes uint64_t is unsigned long long TODO relax */ + QEMU_BUILD_BUG_ON(sizeof(uint64_t) !=3D sizeof(unsigned long long)); errno =3D 0; - /* FIXME This assumes uint64_t is unsigned long long */ *result =3D strtoull(nptr, &ep, base); /* Windows returns 1 for negative out-of-range values. */ if (errno =3D=3D ERANGE) { --=20 2.21.0