[8u] RFR for JDK-8162419: closed/com/oracle/jfr/runtime/TestVMInfoEvent.sh failing after JDK-8155968

[David Holmes]

Hi Shafi,

On 10/08/2016 6:34 PM, Shafi Ahmad wrote:
> Hi,
>
> Please review the code change for "JDK-8162419: closed/com/oracle/jfr/runtime/TestVMInfoEvent.sh failing after JDK-8155968" to jdk8u.
> Please note this is partial backport of http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/110ec5963eb1#l23.1
>
> Summary:
> Microsoft version of vsnprintf() behaves differently from the standard C version when there is not enough space in the buffer.
> Microsoft version doesn't null terminates its output under error conditions, whereas the standard C version does. On Windows, it returns -1.
> We handle both cases here and always return -1, and perform null termination.

This looks fine to me.

Thanks,
David

> Jdk8 bug: https://bugs.openjdk.java.net/browse/JDK-8162419
> Webrev link: http://cr.openjdk.java.net/~shshahma/8162419/webrev.00/
>
> Testing: jprt
>
> Regards,
> Shafi
>