linux-kernel - Re: [PATCH] sscanf: don't ignore field widths for numeric conversions

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Message-Id: <20121102143247.6c581e16.akpm@linux-foundation.org>
Date:	Fri, 2 Nov 2012 14:32:47 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Jan Beulich" <JBeulich@...e.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sscanf: don't ignore field widths for numeric
 conversions

On Fri, 02 Nov 2012 14:44:08 +0000
"Jan Beulich" <JBeulich@...e.com> wrote:

> This is another step towards better standard conformance. Rather than
> adding a local buffer to store the specified portion of the string
> (with the need to enforce an arbitrary maximum supported width to
> limit the buffer size), do a maximum width conversion and then drop as
> much of it as is necessary to meet the caller's request.
> 
> Also fail on negative field widths.
> 
> ...
>
> +				simple_strtol(str, &next, base) :

simple_strtol() kerndoc says "This function is obsolete.  Please use
kstrtol instead."  Can we?

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