From owner-freebsd-hackers Fri Oct 30 10:15:01 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id KAA08000 for freebsd-hackers-outgoing; Fri, 30 Oct 1998 10:15:01 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from whistle.com (s205m131.whistle.com [207.76.205.131]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id KAA07995 for ; Fri, 30 Oct 1998 10:15:00 -0800 (PST) (envelope-from archie@whistle.com) Received: (from smap@localhost) by whistle.com (8.7.5/8.6.12) id KAA05207; Fri, 30 Oct 1998 10:14:58 -0800 (PST) Received: from bubba.whistle.com(207.76.205.7) by whistle.com via smap (V1.3) id sma005205; Fri Oct 30 10:14:45 1998 Received: (from archie@localhost) by bubba.whistle.com (8.8.7/8.6.12) id KAA16349; Fri, 30 Oct 1998 10:14:45 -0800 (PST) From: Archie Cobbs Message-Id: <199810301814.KAA16349@bubba.whistle.com> Subject: Re: scanf in the kernel? In-Reply-To: <199810300813.AAA01726@dingo.cdrom.com> from Mike Smith at "Oct 30, 98 00:13:48 am" To: mike@smith.net.au (Mike Smith) Date: Fri, 30 Oct 1998 10:14:45 -0800 (PST) Cc: hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Mike Smith writes: > Just wondering what the general feeling would be about having scanf in > the kernel? As we move towards more abstract representations of things > (eg. device names), it's becoming more important to be able to parse > strings inside the kernel. > > Doing this in hand-rolled code is tedious, error-prone and results in > code that can be hard to read and maintain (as everyone does it their > own way). > > If this isn't totally repulsive, I'll roll a somewhat smaller version > of the libc vfscanf for general approval. I think you may even get a net savings after replacing all the instances where scanf() could be used... we certainly have had to do it manually in some custom drivers here. -Archie ___________________________________________________________________________ Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message