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 C66A0385781A for ; Wed, 17 Mar 2021 13:18:10 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C66A0385781A 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-575-msAaqXwBNgq1Mp_XuCJ3RA-1; Wed, 17 Mar 2021 09:18:08 -0400 X-MC-Unique: msAaqXwBNgq1Mp_XuCJ3RA-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 38D931007467; Wed, 17 Mar 2021 13:18:07 +0000 (UTC) Received: from tucnak.zalov.cz (ovpn-112-34.ams2.redhat.com [10.36.112.34]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C12AE60853; Wed, 17 Mar 2021 13:18:06 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.16.1/8.16.1) with ESMTPS id 12HDI33p136747 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 17 Mar 2021 14:18:04 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.16.1/8.16.1/Submit) id 12HDI2gA136746; Wed, 17 Mar 2021 14:18:02 +0100 Date: Wed, 17 Mar 2021 14:18:02 +0100 From: Jakub Jelinek To: Tom de Vries Cc: dwz@sourceware.org, mark@klomp.org Subject: Re: [committed] Make main more readable Message-ID: <20210317131802.GG231854@tucnak> Reply-To: Jakub Jelinek References: <20210317131444.GA11885@delia> MIME-Version: 1.0 In-Reply-To: <20210317131444.GA11885@delia> 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=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-6.1 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: Wed, 17 Mar 2021 13:18:12 -0000 On Wed, Mar 17, 2021 at 02:14:45PM +0100, Tom de Vries wrote: > @@ -17048,10 +17050,12 @@ main (int argc, char *argv[]) > outfile = NULL; > hardlink = false; > parse_args (argc, argv, &hardlink, &outfile); > + nr_files = argc - optind; > + files = (const char **)&argv[optind]; > > - if (optind == argc || optind + 1 == argc) > + if (nr_files <= 1) > { > - const char *file = optind == argc ? "a.out" : argv[optind]; > + const char *file = nr_files == 0 ? "a.out" : files[0]; Isn't that aliasing violation? Jakub