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 [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 8F271385BC23 for ; Wed, 10 Nov 2021 09:27:24 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8F271385BC23 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-277-gcc9NtksPlST2UWtNsLXlA-1; Wed, 10 Nov 2021 04:27:23 -0500 X-MC-Unique: gcc9NtksPlST2UWtNsLXlA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D0DD11006AA0; Wed, 10 Nov 2021 09:27:21 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.82]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DBA4960C0F; Wed, 10 Nov 2021 09:27:20 +0000 (UTC) From: Florian Weimer To: Joseph Myers Cc: Subject: Re: [PATCH v2] Support C2X printf %b, %B References: Date: Wed, 10 Nov 2021 10:27:18 +0100 In-Reply-To: (Joseph Myers's message of "Wed, 13 Oct 2021 00:37:42 +0000") Message-ID: <87lf1w743t.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Nov 2021 09:27:25 -0000 * Joseph Myers: > +@item @samp{%b}, @samp{%B} > +Print an integer as an unsigned binary number. @samp{%b} uses > +lower-case @samp{b} with the @samp{#} flag and @samp{%B} uses > +upper-case. @samp{%b} is an ISO C2X feature; @samp{%B} is an > +extension recommended by ISO C2X. @xref{Integer Conversions}, for > +details. The new tests do not contain any negative input numbers. Do they result in undefined behavior? The code changes themselves look okay to me. Thanks, Florian