[U-Boot] [PATCH 3/4] Make printf and vprintf safe from buffer overruns

Wolfgang Denk
2011-09-26T18:47:21Z

Dear Simon Glass,

In message <CAPnjgZ1Q89Ew2Be2QcjoWF3Nyb+sJ-SxfFunZturMwdLxBc_Wg@mail.gmail.com> you wrote:
>
> > If you can find one that fits for all boards? =A0Keep in mind that
> > printf() gets used before relocation, when available stack space may
> > be _very_ limited.
>
> Yes that is a problem. Perhaps we could changes things so that this
> CONFIG really only matters prior to relocation (see other thread with
> Albert) and we could just choose a suitable small value like 256,
> which seems to be the minimum for most boards.

You are probably addressing a non-issue. How many related bug reports
can you find in the last decade or so?

Best regards,

Wolfgang Denk

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