Re: [Tuxpaint-devel] 256 missing fonts

[Albert C. <aca...@gm...>]

On Fri, Jun 5, 2009 at 7:58 PM, Bill Kendrick <nb...@so...> wrote:
> On Fri, Jun 05, 2009 at 07:58:23PM +0200, Pere Pujal i Carabantes wrote:

>> I don't know why, but num_font_families flows between -127 and 127
>> instead between 0 and 256
>
> This late in the day, just glancing at it, my eyes are getting crossed.
> See that "walk" is a "char *".  Meaning it is signed, so cannot
> go below -128 or above +127.  (Meaning it certainly cannot reach 255,
> as an unsigned char could.)

Yep. Cast it to usnigned char, like this:

num_font_families = *(unsigned char*)walk++;
num_font_families += *(unsigned char*)walk++ << 8u;

That should allow up to 64 K fonts.