On Tuesday 07 March 2006 23:28, Joe Korty wrote:
> On Tue, Mar 07, 2006 at 04:57:39PM -0800, Linus Torvalds wrote:
>
> > Well, snprintf() should be safe, though. It will warn if the caller is
> > lazy, but these days, the thing does
> >
> > max(buf_size - len, 0)
> >
> > which should mean that the input layer passes in 0 instead of a negative
> > number. And snprintf() will then _not_ print anything.
>
> I assume this is a typo, and you meant scnprintf? AFAIK, snprintf has
> the same ol' bad behavior when #bytes-to-be-written > #bytes-in-buffer.
>
No, we do want to know if output was truncated or not so snprintf is used.
--
Dmitry
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