From nobody Tue Sep 5 19:48:59 2023 X-Original-To: hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RgGKV0pYwz4sGTX for ; Tue, 5 Sep 2023 19:49:02 +0000 (UTC) (envelope-from des@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RgGKV0C3Nz4c61 for ; Tue, 5 Sep 2023 19:49:02 +0000 (UTC) (envelope-from des@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1693943342; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=6Mk0KLCSAOqNHnJWOg0+8iefrVQm+N7c/0jZpLK+Cms=; b=KrRH0FR0llZqrk3lBPSYBjVwOxpeMt/q3PnTyQE3zQDbRQ4X7tZwoX3GgjgzxX97TNOSjr MKHmN6hXrGoBPdEyiplx1kEdO99A29S4fdy5MbXqMaE6JIqNpXaqwuuv03Hw00W95ZHq4o EXRlO/XqsU+AROcS9hQNOcDetxBPQAi1PKodRwknbNk5TzZQK6zyoSnknLKePpviYBTHho tYoAcmHY2cPn7wdsF58Vvxl2Xe8To0sRH70EIrodF6jYV0ULvkpn7dRqkFbTFDwakUMMW+ 2jheMllkPRGIy42xoCeAOtqsjzGsywV9Kg2cAQoA9ESGPBCZT0atW1fGBPPmig== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1693943342; a=rsa-sha256; cv=none; b=f5aOM4Y174RGsAZF11CgWDZRjgYXpcPNMydEXBKOBxTugSxN4xDEfF+8tJ4kqsTdEQfAL6 6usPpyd32ZjxwcZT5CnZgDy2yeeBsHTQKdp9e7BCCGleAVvZmaNKoWBz2Of5fZOuJ862nl pet9dSmJeDdBSXFWSEDwRUb+kIf3rsM0uzoM5jSNo3xx4bRewkAMApNtarqAlN1oD4nwIU RGz+D8vcXPGHQgysHLR0czvll5DAT5LR37+lrho5F3+9OEHdBd3OBejbaLuzUVcmvqhT7Q PAAMb7RFAWMz0qtqRBi+unA/9cQlchEvZVJBsowu7H7HUsPhj0cARMLZFVfBEg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1693943342; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=6Mk0KLCSAOqNHnJWOg0+8iefrVQm+N7c/0jZpLK+Cms=; b=edFzbgJqnvBRC43/0aC6TymHVlAxuGOhiGeqyt1fR6Bz45Abuj4FAKO3I9awGloy/ew8Os TEYt1j8a3ea2gfUlgO1EPNkTOJymgK+zbAR4WoBG1BSPFYRwht3zURYJj22aDKnd8VYltj mAwduH8QiV7TCOxmZZvuzQnyR5tKPi/TDs/iUC9FZUUJk4RjDvzg2pp6pVFc50Awx0BL6b hE7pNUcsENuOc65ACJ8OwMD8ZYouvM/Tsuiwk8B88F/38jh8LGb7KrhOijKY8I4nn2NbPI 40WlgkHSmGCscc2ns6exdXpQTi/UiZ+z4jLmuCtyEHQTvjk6nHF2wGlsDXKNUg== Received: from ltc.des.no (unknown [IPv6:2001:4647:d671:0:36e8:94ff:feca:9834]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: des) by smtp.freebsd.org (Postfix) with ESMTPSA id 4RgGKT5XJCz1NRq for ; Tue, 5 Sep 2023 19:49:01 +0000 (UTC) (envelope-from des@freebsd.org) Received: by ltc.des.no (Postfix, from userid 1001) id 41D9A4CEE1; Tue, 5 Sep 2023 21:48:59 +0200 (CEST) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: hackers@freebsd.org Subject: Please help review C23 features User-Agent: Gnus/5.13 (Gnus v5.13) Date: Tue, 05 Sep 2023 21:48:59 +0200 Message-ID: <86a5u0s8no.fsf@ltc.des.no> List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable As you may have noticed, I've been working on adding C23 features to libc. I have a few more patches in flight which I'd like to get committed in time for 14.0 but which still await review: - Add a wchar version of the snprintf test for N2630 (formatted binary inte= gers) https://reviews.freebsd.org/D41726 - Implement N2680 (specific-width length modifier) https://reviews.freebsd.org/D41725 - Add test cases for N2680 (and fix some nits in the N2630 tests) https://reviews.freebsd.org/D41743 - Implement N2867 (checked integer arithmetic) https://reviews.freebsd.org/D41734 - Add tests for N2867 https://reviews.freebsd.org/D41735 This is far from everything we need for C23 (clang 16 understands N2630 but not N2680, for instance, and we're still missing ) but it gets us pretty close. DES -- Dag-Erling Sm=C3=B8rgrav - des@FreeBSD.org