[cairo] X crash with BadAlloc with too-large pixmap

[Vladimir Vukicevic]

Don't think I got a response last time -- any thoughts on this?  The  
fix seems reasonable to me, though I'd probably change the function  
name to _cairo_safe_XCreatePixmap or somesuch.

     - Vlad

On Mar 26, 2008, at 4:07 PM, Vladimir Vukicevic wrote:

>
> It seems to be possible to crash the xlib backend by trying to create
> an image with dimensions grater than SHRT_MAX, as would be expected
> due to X's limits.  Mats has a fix for this in bug https://bugzilla.mozilla.org/show_bug.cgi?id=424333
>  -- essentially, it wraps XCreatePixmap to something that checks
> width/height and returns an error in that case.  Does that seem like a
> reasonable fix?
>
>     - Vlad
>
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