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Re: how to handle userspace string copy failures


Frank Ch. Eigler wrote:
>>>> At worst, I think we should print warnings.  I also propose that any
>>>> user_string() request that fails should return "<unknown>".
>>> I am uncomfortable with hard-coding such a decorated english term.  A
>>> simple blank string would be fine.
>> blank strings do nothing to indicate that information was missing.
> 
> Nor does "<unknown>", except to an english-speaking user looking over
> a literally transcribed output after the fact.  That's the point.

The string "<unknown>" has much more information content,
even for a non-english speaker, than "".  At least you
can google it.

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Electronics
=============================


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