calc: jumbo sheets on windows (never gonna happen)

Luboš Luňák l.lunak at collabora.com
Wed Oct 7 20:44:12 UTC 2020


On Wednesday 07 of October 2020, Noel Grandin wrote:
> On Wed, 7 Oct 2020 at 16:51, Luboš Luňák <l.lunak at collabora.com> wrote:
> > On Tuesday 06 of October 2020, Noel Grandin wrote:
> >  Does it really need to be this extensive though? E.g. VCL should be more
> > or
> > less safe from this, I think trying any drawing with >32bit sizes is
> > simply
> > not going to work one way or another.
>
> We extensively use shared types like tool::Rectangle in sc.

 Yes, I know, but the question was more like how many like these are there.

> >  Also, how realistic of a solution would be to compile with the
> > undefined-behaviour sanitizer and make it fail on overflows as a way to
> > get a
> > decent enough coverage of the problematic areas?
>
> If you can get that working under Windows, sure, that could help.

 The Clang/UBSan page says it works on Windows (I'm not going to try that 
myself though).

On Wednesday 07 of October 2020, Thorsten Behrens wrote:
> Noel Grandin wrote:
> > We extensively use shared types like tool::Rectangle in sc.
>
> But we don't do spreadsheet math with them, no?

 No, but we do math to show spreadsheet math with them.

-- 
 Luboš Luňák
 l.lunak at collabora.com


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