DMARC-Filter: OpenDMARC Filter v1.4.2 delorie.com 643AxA232849897 Authentication-Results: delorie.com; dmarc=pass (p=none dis=none) header.from=cygwin.com Authentication-Results: delorie.com; spf=pass smtp.mailfrom=cygwin.com DKIM-Filter: OpenDKIM Filter v2.11.0 delorie.com 643AxA232849897 Authentication-Results: delorie.com; dkim=pass (1024-bit key, unprotected) header.d=cygwin.com header.i=@cygwin.com header.a=rsa-sha256 header.s=default header.b=auClqhx+ X-Recipient: archive-cygwin@delorie.com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5EC854BB1C37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1777805949; bh=+nWosIEX3lsrrJ2OkOz0n7cqe/gqvUvDIXO4J5/1Odw=; h=Subject:In-Reply-To:Date:Cc:References:To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=auClqhx+3yTEWU/j+w3jas1DwoCV4Wl/ywfT1MmgL0HczQlS5vVtzT6jm8fDVRLcr hNrRoWx4u5uYKJCsORBeFDIpUbflUH/0Ck4Wu1Dkx9/asew0jvWwNI/lzypQUo0BP6 m2M94Dq420pEcP/+0tz3yu+10jqolzPFNPU5wMO4= X-Original-To: cygwin@cygwin.com Delivered-To: cygwin@cygwin.com DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 91DC54BB1C2C ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 91DC54BB1C2C ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1777805930; cv=none; b=YSDXn3Wqxp4n7zanZtUiKFetKVQ14LuM7zuLg1DRPOQAv1Gik/W29/PH+0wDyoVzLpkhHJ0XBxjY10gcrUUhZjhiMm4pWplnXtkFCcSWfBsIGJJZoNLYEu0B66awh0p5S6mrQ8LmpRL7QfQBgWvzKxuxXYdqdsALn+mFgYSU0wc= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1777805930; c=relaxed/simple; bh=yFvlo3TCBlDKF6QVj8T1wRe9YNZuirKV5PB9iRa49zs=; h=DKIM-Signature:Mime-Version:Subject:From:Date:Message-Id:To; b=qSqjzbS/3DCCMFTyrNWQiPVLHHijZO3ZgjLwnUTHLbM0ozdkryvr78Igk82uyw3YZqvszFv/Qq6sKgieEQNkx8XKCZVgN4QyE5U0XJnE4FbA7FundT5WnQqBA4Hd3Ty93ajKy5blR86xSr/m6KkjI/TZCCXfcLDdbWJYQxKOBas= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 91DC54BB1C2C X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777805928; x=1778410728; h=to:references:message-id:content-transfer-encoding:cc:date :in-reply-to:from:subject:mime-version:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=yFvlo3TCBlDKF6QVj8T1wRe9YNZuirKV5PB9iRa49zs=; b=s7oQUwOYeAHyciV6BSmY9lt9dGqp7gTg9jsImE5JUP1rBdG11Hfbuh0HRMwrfd8WE0 bE2T7HO5bD1EtWrnGhxs/9KvT8G7mNoPUfvIX2Ljjch8GADi/WZ4iY270sNBdtaTGHcj TDRicMxNem45xyMcJFmRKZ2wwAH5YBGs+l+KrKPvXIjnns9cL8FFTSLWZwgVm3FL9hS1 I6AUWXb2ztSKgL+ADQ1a+uAvdhQDo1YlWpc4NNwcaoO1M6Pgw1eahX0vA0PkrguVrpWR A9h+MtrKL+iVLcFNOjo7RYr7lJpFT5SuXYakuBAu8xWvljxKMcAncAwV/3O0SLyhxYDm 9g1A== X-Gm-Message-State: AOJu0Yxzc0Udz6rZiXIPpiZRC/mkBxiYWHWma/O76HzLmxwL3eGvjnnB CyN+hAQQuf7Eu/amNdcyecldqizennd9ZUfUtBrXrdgZOniathXYmk7JuBWCA2XZ/+2UkJlkjXW 4bvMa X-Gm-Gg: AeBDiesAQ0n+7yyDlwvfYnkaTDLjbIeN9wgGSpfKYy83S+q1jTDbrjRgY2DuwPSV2Tp aFJ6euTYWbHpCOoEWVecbSthpI3OB909dSDSHGv9JCQxo4rG3hx+yOFzhYYXR7XGWLJGsiUyBz4 3PScb9+HNvqg2asc3bx7wd7MFcVtU2NwqSVXPsbpiziARWWNOfpRDfPqU+eD5m9dm6uvBfJAZmv A7ux04jmF6mGEXwr4tqmWfg1jJ1g3XSGUtBz4uRUarpILiNxL/Q8w9njjbqnwLq2yWBGze9k/Sd dn4WZgdMQNiz4e2NmbeEyEnYQF7c+hiwWqT1xQXA39OFafMXXojj1Qg6F6Te8ZNd+Kig8ftJhMe eFTwUPsyvgNMfFqMFXAaQVZ2cn1if/akv5rJDR6F8a9gUNhIe62PfUCZF4AkVEeM3TKGvVU+05X Ot4EWMNio6eAXBorSbtGf72EXeTfltYVocaD6vJ6fmkrn8IzcT6K6DFPtHh0r7vrQiUoXRQg+W0 OQAHOiUIuQUl6dMNI+4 X-Received: by 2002:a17:906:6a09:b0:bbe:3f15:f480 with SMTP id a640c23a62f3a-bbffc67fc52mr288721966b.39.1777805927974; Sun, 03 May 2026 03:58:47 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81.1.6\)) Subject: Re: wcwidth broken with gcc 16 In-Reply-To: <8ff2ab8d-dfdc-459c-96f3-ed4a4f451440@towo.net> Date: Sun, 3 May 2026 12:58:46 +0200 Cc: cygwin@cygwin.com Message-Id: <0140C1F4-CA22-46DE-AE21-69C5427C59B5@unified-streaming.com> References: <874ikpawdk.fsf@Gerda.invalid> <8ff2ab8d-dfdc-459c-96f3-ed4a4f451440@towo.net> To: Thomas Wolff X-Mailer: Apple Mail (2.3826.700.81.1.6) X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.30 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Dimitry Andric via Cygwin Reply-To: Dimitry Andric Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: cygwin-bounces~archive-cygwin=delorie.com@cygwin.com Sender: "Cygwin" On 3 May 2026, at 12:47, Thomas Wolff via Cygwin wrote: > > Am 03.05.2026 um 07:35 schrieb ASSI via Cygwin: >> Thomas Wolff via Cygwin writes: >>> Observed with gcc 16: >>> For a number of character ranges, mainly (but not only) from CJK >>> ranges, wcwidth incorrectly reports width 1 instead of 2, 0, or -1. >>> Test file attached. >> Can you report this upstream, please? > I couldn't yet test it with gcc 16 on Linux as there is no Debian package. > Did you test it? On Ubuntu 26.04, with gcc version 16.0.1 20260322, the results are: 2 U+8000 -1 U+A4CF 0 U+A66F 0 U+A672 0 U+A674 0 U+A67D 0 U+A8E0 0 U+A8F1 2 U+AC00 0 U+D7C6 0 U+D7CB 0 U+D7FB -1 U+D800 -1 U+DFFF 2 U+F900 -1 U+FAFF 0 U+FE00 -1 U+FE6F 2 U+FF01 2 U+FF60 2 U+FFE0 2 U+FFE6 On macOS 15.7.5 with Apple clang 17.0.0 (clang-1700.6.4.2): 2 U+8000 -1 U+A4CF 0 U+A66F 0 U+A672 0 U+A674 0 U+A67D 0 U+A8E0 0 U+A8F1 2 U+AC00 1 U+D7C6 1 U+D7CB 1 U+D7FB -1 U+D800 -1 U+DFFF 2 U+F900 -1 U+FAFF 0 U+FE00 -1 U+FE6F 2 U+FF01 2 U+FF60 2 U+FFE0 2 U+FFE6 On FreeBSD 15.0 with clang 19.1.7: 2 U+8000 -1 U+A4CF 0 U+A66F 0 U+A672 0 U+A674 0 U+A67D 0 U+A8E0 0 U+A8F1 2 U+AC00 1 U+D7C6 1 U+D7CB 1 U+D7FB -1 U+D800 -1 U+DFFF 2 U+F900 -1 U+FAFF 0 U+FE00 -1 U+FE6F 2 U+FF01 2 U+FF60 2 U+FFE0 2 U+FFE6 It looks like BSD-based libc gives 1 for U+D7C6, U+D7CB and U+D7CB, while glibc gives 0. -Dimitry -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple