From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id ADD9F3843856 for ; Thu, 18 Mar 2021 18:52:46 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org ADD9F3843856 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-275-HK6-nOLUPuyib4sxiTi80Q-1; Thu, 18 Mar 2021 14:52:42 -0400 X-MC-Unique: HK6-nOLUPuyib4sxiTi80Q-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4E193814315; Thu, 18 Mar 2021 18:52:41 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-115-121.ams2.redhat.com [10.36.115.121]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1378E60C03; Thu, 18 Mar 2021 18:52:39 +0000 (UTC) From: Florian Weimer To: Tom de Vries Cc: Jakub Jelinek , mark@klomp.org, dwz@sourceware.org Subject: Re: [committed] Make main more readable References: <20210317131444.GA11885@delia> <20210317131802.GG231854@tucnak> <20210317172818.GI231854@tucnak> Date: Thu, 18 Mar 2021 19:52:48 +0100 In-Reply-To: (Tom de Vries's message of "Thu, 18 Mar 2021 11:30:00 +0100") Message-ID: <87czvwpa4f.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-6.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: dwz@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Dwz mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Mar 2021 18:52:47 -0000 * Tom de Vries: > I've prepared a patch implementing that suggestion. Does that address > your concerns? > > [ FWIW, I've read through a C99 draft pdf to refresh my memory on this > topic. Looking at the effective type of **argv, AFAIU it falls into the > catagory "For all other accesses to an object having no declared type, > the effective type of the object is simply the type of the lvalue used > for the access". In other words, the effective type is char. > > Then I read: > ... > An object shall have its stored value accessed only by an lvalue > expression that has one of the following types: > =E2=80=94 a qualified version of a type compatible with the effective typ= e of > the object, > ... > > So, const char is a qualified version of a type char compatible with the > effective type of the object (char). > > So I still don't see the problem. ] I think the issue is about the char * array elements, not the individual bytes in the strings themselves. Thanks, Florian