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 [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 3D6B83858C2C for ; Mon, 8 Nov 2021 22:27:59 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3D6B83858C2C 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-556-D6VjKiWsPVCCux-7UuACHw-1; Mon, 08 Nov 2021 17:27:57 -0500 X-MC-Unique: D6VjKiWsPVCCux-7UuACHw-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 A5224102CB76; Mon, 8 Nov 2021 22:27:56 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.82]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C996660BE5; Mon, 8 Nov 2021 22:27:55 +0000 (UTC) From: Florian Weimer To: Jonny Grant Cc: Szabolcs Nagy via Libc-help Subject: Re: include/stdio.h References: <476789a5-fca8-34c2-3a73-27ae85771bcf@jguk.org> Date: Mon, 08 Nov 2021 23:27:54 +0100 In-Reply-To: <476789a5-fca8-34c2-3a73-27ae85771bcf@jguk.org> (Jonny Grant's message of "Mon, 8 Nov 2021 21:45:35 +0000") Message-ID: <87pmrae105.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_H2, 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-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: Mon, 08 Nov 2021 22:28:00 -0000 * Jonny Grant: > May I check, I'd not expected /usr/include/stdio.h to state this, is it to state stdio is built on top of C++ iostreams nowadays? > > In the repo it is /glibc/libio/stdio.h > > "Define ISO C stdio on top of C++ iostreams" Internally, it's still built this way. But the C++ meant here is the C++ ABI implemented by GCC 2.95, so that aspect is now entirely useless. We should probably remove that C++ reference from the public header. Thanks, Florian