From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750827AbVKWOce (ORCPT ); Wed, 23 Nov 2005 09:32:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750835AbVKWOce (ORCPT ); Wed, 23 Nov 2005 09:32:34 -0500 Received: from 167.imtp.Ilyichevsk.Odessa.UA ([195.66.192.167]:36501 "HELO port.imtp.ilyichevsk.odessa.ua") by vger.kernel.org with SMTP id S1750827AbVKWOcd (ORCPT ); Wed, 23 Nov 2005 09:32:33 -0500 From: Denis Vlasenko To: moreau francis Subject: Re: Use enum to declare errno values Date: Wed, 23 Nov 2005 16:27:27 +0200 User-Agent: KMail/1.8.2 Cc: linux-kernel@vger.kernel.org References: <20051123132443.32793.qmail@web25813.mail.ukl.yahoo.com> In-Reply-To: <20051123132443.32793.qmail@web25813.mail.ukl.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200511231627.27252.vda@ilport.com.ua> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 23 November 2005 15:24, moreau francis wrote: > Hi, > > I'm just wondering why not declaring errno values using enumaration ? It is > just more convenient when debuging the kernel. enums are really nice substitute for integer constants instead of #defines. They obey scope rules. #defines do not. However enums are not widely used because of 1. tradition and style 2. awkward syntax required: enum { CONST = 1234 }; -- vda