From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CA2B634D907 for ; Wed, 4 Mar 2026 10:16:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772619421; cv=none; b=nCyIW8ukUCiL1d3ZxqD1rS7hIJQMe2SVhw0Ukr+dWdn20O3mGA6FXUT8fQbvq+JtCp8UvCj5iWlcPTwwOMpscIPDIA33KmXdwe9HG/fpNZmdQSfsvTuwofiM0DZpmiWYG5MSXnFrE/0EPBztVC1gXNwr5uhJMMaYHZGRc/wFapE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772619421; c=relaxed/simple; bh=e78qIDzHbDTqXVogJF+UVOVMy75B++Q+8NZ/1KY9TUY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jPvUXH6n8RjLGd0MSiiyQIcDObenIjFG1PLEZGo6FqRd9jD38rkGP56l3yUihvBnWNvqzLJ5rfpAujJ2Ip0AJF0TyT+Pdf3xQccChTJkkExINIf0mxm8+dLPCX8DU6+0buRrf6fp+A0eUvWSAvSh5ThzV69mS/Jhv6o87s9qTcg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=F+FSwpMX; arc=none smtp.client-ip=209.85.128.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="F+FSwpMX" Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-483bd7354efso89379645e9.2 for ; Wed, 04 Mar 2026 02:16:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772619418; x=1773224218; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=hYB3YNu9CO7wLt2ZT8Xt9m7azMQTOfSk/ijLWaYuruI=; b=F+FSwpMXpboj5Xote2ENRoHs8jokK6NZkRGnHXH4Qy3cV3lBdhiex5fHH9wNHAjdhK yqGvfBGwjpHrGAR+l6wgHNZa77l96PQY1fJWo2xhuCVwQp6WrSo/kVUGJtLRM+lpwMlz tP+31aj1JPS+X4nRNiTwhltna0Em727kkN2S2Iw7DmoBsbn1CDPDOHgMd18NfKRPRqk8 0TvYXo1BoWGnRr73ONsX444mo+GUDtdoixmN6R+5aBXYazoDMqyRZ9QHPbl3AT1nnCk1 +/K1DTBEv0BP29zEOeRkYIjutxE2ZIuX7lhUCht8CRZhQInAqHabKMqS5C73FREKZnDG otzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772619418; x=1773224218; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=hYB3YNu9CO7wLt2ZT8Xt9m7azMQTOfSk/ijLWaYuruI=; b=xVUT6WIGMwH2dZX3qE6FvDuzIWE1QNyhEcQ/G9/NN5YvwWJhEvSxy4tKB+UOTEHC5e 99R41mDesMAu51Tawui7Oy1ktFeI++PYR0N2DNjdkClnafslz7Xo9ZcOy8AE/AoPYbLV ygYYwgXV776msO+K1O0RHtjDb/3dVJrdS0Hm+NU+Cv4qJZ5c3/XDa3+1cUdEyT99L86P E+XeEg+/bL8xjsyYMGaEkVdXByWqzAeLF50TnjSmGoraME1H/338VdLc9VAbPkzZZSZ2 UromoVIj6xBV4ovZoC8l7mR3EDaJXfB7kUsMn71z2uEixo5avzrpVQ/dSfQ08UjEAzW4 Ng3w== X-Forwarded-Encrypted: i=1; AJvYcCXSau8WZE214iAC3E4bjIfdY7wxFXnJ8BT0iZiDqEcjp7nYoV5xFt+yiHvuTmo94o5ag6zcYKwfdTc=@vger.kernel.org X-Gm-Message-State: AOJu0YySCtpgCfcnN+o4za7IHoGSJtmeGRSDK5dFbZFV/TTweD2D3Kkb cVToqX0yB+uMaoWJ5s7oaj1djlevIqujKtx20kBRRnM8ZM9ERy9Rzc7A X-Gm-Gg: ATEYQzwXO4knNOhhsh4xKMmZYW4GP7MSDTw5T8vsEwCO1tVbM5GSsWrh5IJK6s7jrmL qZ20kwKFIl/JGYLhL9OK9Ti8K49RXIfEBKLdEtRbWN3qxRADcmcQJlzB6zB5ioe43Pn1gOrMqH9 tYL5h3cHZ0CenZF2pkvWiPEuCmA698MF1PWELqRxLSxtEljeBCEzKiSjsR8zgfqx8haybNeQhK7 DUxePS2Roj9KuU43lEW1KjCQVBF/fhtIfVaB9AGzhqDgB1owSUxHP4iSM2MCx0EJT9tzKC3Czf4 qqyHBjTTDP2d2+aEvMuBRLIcYeiWUL7WJp/+1S8pXmGd5pIAmabb+SgBEh6sxY50XuB8gbXHnpW l/Q+t4E+MXVmf7NdYgSPqdAqC1/n1zvP8dpSE4OFRs4Zp2pOtS0beR8PS669yw8E5hOZTgpxyck uZMJPujRUsONbneUrp6QaG1dfIbtlPPf/WCuufyV3Hov1DL8Qos19GVwcHV2CUZ12m X-Received: by 2002:a05:600c:a51:b0:47d:3ffa:5f03 with SMTP id 5b1f17b1804b1-48519886ca3mr23059915e9.21.1772619417522; Wed, 04 Mar 2026 02:16:57 -0800 (PST) Received: from pumpkin (82-69-66-36.dsl.in-addr.zen.co.uk. [82.69.66.36]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48518839ae7sm36391845e9.1.2026.03.04.02.16.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2026 02:16:57 -0800 (PST) Date: Wed, 4 Mar 2026 10:16:55 +0000 From: David Laight To: Rodrigo Alencar via B4 Relay Cc: rodrigo.alencar@analog.com, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Jonathan Cameron , David Lechner , Andy Shevchenko , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , Andrew Morton Subject: Re: [PATCH v8 02/10] lib: kstrtox: add kstrntoull() helper Message-ID: <20260304101655.620df7ee@pumpkin> In-Reply-To: <20260303-adf41513-iio-driver-v8-2-8dd2417cc465@analog.com> References: <20260303-adf41513-iio-driver-v8-0-8dd2417cc465@analog.com> <20260303-adf41513-iio-driver-v8-2-8dd2417cc465@analog.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 03 Mar 2026 13:27:07 +0000 Rodrigo Alencar via B4 Relay wrote: > From: Rodrigo Alencar > > Add kstrntoull() function, which converts a string to an ULL with a max > character limit. The function is an alternative integer parsing function > that does not require a null-terminated string. It becomes a better option > over simple_strtoull() or kstrtoull() when parsing integers from a buffer > with custom delimiters without having to create temporary copies. > The function is consumed inside the implementation _kstrtoull(), > promoting reuse. If you've got custom delimiters use a function that returns a pointer to the character that terminated the conversion. They save you having to find the delimiter as well as taking a copy. David