<AWT Dev> [14] RFR 8230782: Robot.createScreenCapture() fails if “awt.robot.gtk” is set to false

[Phil Race]

+1 to the fix but any ideas for a regression test.
There are no related keywords on the bug ..

-phil.


On 9/19/19 9:12 AM, Dmitry Markov wrote:
> Hello,
>
> Could you review a fix for jdk14, please?
>
>  bug: https://bugs.openjdk.java.net/browse/JDK-8230782
>  webrev: http://cr.openjdk.java.net/~dmarkov/8230782/webrev.00/
>
> Problem description:
> After integration of JDK-8210776 [1] we started to use malloc() 
> function for allocation of XColor array in QueryColorMap() (see 
> multiVis.c). However malloc() does not initialise allocated memory. So 
> if the memory contains some “garbage” we may get incorrect data inside 
> the array. As a result Robot.createsScreenCapture() retrieves 
> incorrect colours.
>
> Fix:
> It is necessary to invoke calloc() for allocation of the array as it 
> used to be before XWD upgrade
>
> Thanks,
> Dmitry
>
> [1] - https://bugs.openjdk.java.net/browse/JDK-8210776

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