From patchwork Tue Jan 12 18:12:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manuel Bouyer X-Patchwork-Id: 12014321 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 AFEA4C433DB for ; Tue, 12 Jan 2021 18:13:38 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 6EE0F22DFA for ; Tue, 12 Jan 2021 18:13:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6EE0F22DFA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=antioche.eu.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.65829.116654 (Exim 4.92) (envelope-from ) id 1kzOAe-0003lG-5S; Tue, 12 Jan 2021 18:13:32 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 65829.116654; Tue, 12 Jan 2021 18:13:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kzOAe-0003l8-0k; Tue, 12 Jan 2021 18:13:32 +0000 Received: by outflank-mailman (input) for mailman id 65829; Tue, 12 Jan 2021 18:13:30 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kzOAc-0003Yo-So for xen-devel@lists.xenproject.org; Tue, 12 Jan 2021 18:13:30 +0000 Received: from isis.lip6.fr (unknown [2001:660:3302:283c::2]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 6af9ba9a-f110-4bfa-9ef3-c6e59713c1af; Tue, 12 Jan 2021 18:13:14 +0000 (UTC) Received: from asim.lip6.fr (asim.lip6.fr [132.227.86.2]) by isis.lip6.fr (8.15.2/8.15.2) with ESMTP id 10CID1Gu016415; Tue, 12 Jan 2021 19:13:01 +0100 (CET) Received: from armandeche.soc.lip6.fr (armandeche [132.227.63.133]) by asim.lip6.fr (8.15.2/8.14.4) with ESMTP id 10CID1n3015326; Tue, 12 Jan 2021 19:13:01 +0100 (MET) Received: by armandeche.soc.lip6.fr (Postfix, from userid 20331) id 3BE407218; Tue, 12 Jan 2021 19:13:01 +0100 (MET) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6af9ba9a-f110-4bfa-9ef3-c6e59713c1af From: Manuel Bouyer To: xen-devel@lists.xenproject.org Cc: Manuel Bouyer , Ian Jackson , Wei Liu , Anthony PERARD , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini Subject: [PATCH] Fix error: array subscript has type 'char' Date: Tue, 12 Jan 2021 19:12:21 +0100 Message-Id: <20210112181242.1570-1-bouyer@antioche.eu.org> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (isis.lip6.fr [132.227.60.2]); Tue, 12 Jan 2021 19:13:01 +0100 (CET) X-Scanned-By: MIMEDefang 2.78 on 132.227.60.2 From: Manuel Bouyer Use unsigned char variable, or cast to (unsigned char), for tolower()/islower() and friends. Fix compiler error array subscript has type 'char' [-Werror=char-subscripts] Signed-off-by: Manuel Bouyer Reviewed-by: Ian Jackson --- tools/libs/light/libxl_qmp.c | 2 +- tools/xentrace/xentrace.c | 2 +- xen/tools/symbols.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/tools/libs/light/libxl_qmp.c b/tools/libs/light/libxl_qmp.c index c394000ea9..9b638e6f54 100644 --- a/tools/libs/light/libxl_qmp.c +++ b/tools/libs/light/libxl_qmp.c @@ -1249,7 +1249,7 @@ static int qmp_error_class_to_libxl_error_code(libxl__gc *gc, se++; continue; } - if (tolower(*s) != tolower(*se)) + if (tolower((unsigned char)*s) != tolower((unsigned char)*se)) break; s++, se++; } diff --git a/tools/xentrace/xentrace.c b/tools/xentrace/xentrace.c index 4b50b8a53e..a8903ebf46 100644 --- a/tools/xentrace/xentrace.c +++ b/tools/xentrace/xentrace.c @@ -957,7 +957,7 @@ static int parse_cpumask_range(const char *mask_str, xc_cpumap_t map) { unsigned int a, b; int nmaskbits; - char c; + unsigned char c; int in_range; const char *s; diff --git a/xen/tools/symbols.c b/xen/tools/symbols.c index 9f9e2c9900..0b12452616 100644 --- a/xen/tools/symbols.c +++ b/xen/tools/symbols.c @@ -173,11 +173,11 @@ static int read_symbol(FILE *in, struct sym_entry *s) /* include the type field in the symbol name, so that it gets * compressed together */ s->len = strlen(str) + 1; - if (islower(stype) && filename) + if (islower((unsigned char)stype) && filename) s->len += strlen(filename) + 1; s->sym = malloc(s->len + 1); sym = SYMBOL_NAME(s); - if (islower(stype) && filename) { + if (islower((unsigned char)stype) && filename) { sym = stpcpy(sym, filename); *sym++ = '#'; }