Re: [Linux-fbdev-devel] Two bugs in fbcon_putcs

[Geert U. <ge...@li...>]

On Sat, 16 Jun 2001, Martin Erhardsen wrote:
> From: "Geert Uytterhoeven" <ge...@li...>
> > On Sat, 16 Jun 2001, Martin Erhardsen wrote:
> > > I have a couple of further API questions.
> > >
> > > How about reading 3 bytes past the end of the bitmap.
> > > I have noticed that 3dfx driver carefully avoids this,
> > > but if this were allowed, it would avoid having a special case for
> > > the last 3 bytes.
> >
> > Which bitmap?
> 
> The bitmap used for drawing characters with putc and putcs.

You mean the font data?

> I was wondering if reading 3 extra bytes past the end could
> cause a segmantation fault.

In theory yes. But why would you want to read more fontdata than is present?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds