From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Nieder Subject: Re: [PATCH 1/2] log-tree: simplify digit_in_number Date: Sun, 25 Jul 2010 12:46:02 -0500 Message-ID: <20100725174602.GA9146@burratino> References: <1280079381-4548-1-git-send-email-ralf.thielow@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: git@vger.kernel.org To: Ralf Thielow X-From: git-owner@vger.kernel.org Sun Jul 25 19:47:19 2010 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Od5IB-00089f-Og for gcvg-git-2@lo.gmane.org; Sun, 25 Jul 2010 19:47:16 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752165Ab0GYRrK (ORCPT ); Sun, 25 Jul 2010 13:47:10 -0400 Received: from mail-gw0-f46.google.com ([74.125.83.46]:59189 "EHLO mail-gw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751105Ab0GYRrJ (ORCPT ); Sun, 25 Jul 2010 13:47:09 -0400 Received: by gwb20 with SMTP id 20so1178975gwb.19 for ; Sun, 25 Jul 2010 10:47:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:cc:subject :message-id:references:mime-version:content-type:content-disposition :in-reply-to:user-agent; bh=THLqJA4wpaT9YLFrz0ZUbwbtKdFKIGEMZaGrvY+2A0w=; b=rKb9bhj9nF3UtuWB08qXlkGRaf5bqeODf8A5OhRusRXJ7xP53QRWsOsAbBLcslYqUI WjXIMk70TdFBB2hBbuXVZqK4rlsvlTVCfp/emlyFZXgaUaqdPklRNKGVGpSxmxt/UMbY jLl6+tCaV5J9fZrPke5Xwu3sDSEUNCdHa/aXM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=of19SyGE4Y9tiLbYvHX89a/fEcX1haKOKNy+F1BArpEZUO1nVBecGTgw0PMoczCnSH OZHA0F45SWLt9B43fkIwTEi8KfPguuqE4OTWvkXFUVRIFYwPHW/6XPlmFkRbtCR5zxtZ +9tnkAJvg0dmqrsoSrzkKH9cJ4yV4fRq7lC20= Received: by 10.100.174.16 with SMTP id w16mr6595771ane.258.1280080028482; Sun, 25 Jul 2010 10:47:08 -0700 (PDT) Received: from burratino (c-98-212-3-231.hsd1.il.comcast.net [98.212.3.231]) by mx.google.com with ESMTPS id p12sm4842466ane.14.2010.07.25.10.47.07 (version=SSLv3 cipher=RC4-MD5); Sun, 25 Jul 2010 10:47:07 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1280079381-4548-1-git-send-email-ralf.thielow@googlemail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Ralf Thielow wrote: > +++ b/log-tree.c > @@ -254,12 +254,10 @@ static void append_signoff(struct strbuf *sb, const char *signoff) > > static unsigned int digits_in_number(unsigned int number) > { > - unsigned int i = 10, result = 1; > - while (i <= number) { > - i *= 10; > - result++; > - } > - return result; > + int digits = 0; > + while (number /= 10) > + digits++; > + return digits++; I think you mean "return ++digits;". But other questions come to mind first: - What is the motivation? How did this come up and what does your change improve? - Why rewrite this in one patch, only to rewrite it again? Hope that helps, Jonathan