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 [63.128.21.124]) by sourceware.org (Postfix) with ESMTP id 44B1E3858022 for ; Thu, 14 Jan 2021 09:08:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 44B1E3858022 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-320-P4KCF2qWMzOwVciaHfX5pQ-1; Thu, 14 Jan 2021 04:08:31 -0500 X-MC-Unique: P4KCF2qWMzOwVciaHfX5pQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1A0D1BBEE2; Thu, 14 Jan 2021 09:08:30 +0000 (UTC) Received: from oldenburg2.str.redhat.com (ovpn-114-66.ams2.redhat.com [10.36.114.66]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 54E0E10027AA; Thu, 14 Jan 2021 09:08:29 +0000 (UTC) From: Florian Weimer To: "Yihan Dang" Cc: "libc-help" Subject: Re: Can I use printf in dl-load.c? References: <87k0sgrkv2.fsf@oldenburg2.str.redhat.com> Date: Thu, 14 Jan 2021 10:08:27 +0100 In-Reply-To: (Yihan Dang's message of "Thu, 14 Jan 2021 16:31:52 +0800") Message-ID: <87ft33sx6c.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.7 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_H4, 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: libc-help@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-help mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jan 2021 09:08:35 -0000 * Yihan Dang: > Also, I did not find any function related to scanf in ldsodefs.h, does > that mean there is no way to achieve the similar functionality? Yes, there is no scanf in ld.so. Perhaps you can use _dl_strtoul instead. Thanks, Florian -- Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'Neill