RFR(XS) 8170981: Possible access to char array with negative index

Rachel Protacio rachel.protacio at oracle.com
Mon Dec 12 19:54:44 UTC 2016


Looks great!

Rachel


On 12/12/2016 12:10 PM, Schmidt, Lutz wrote:
> Rachel,
>
>
> thanks a lot for the review. An updated webrev (according to my comments
> below) can be found here:
>     http://cr.openjdk.java.net/~simonis/webrevs/2016/8170981.v1
>
> Regards,
> Lutz
>
>
> On 12.12.16, 17:07, "hotspot-runtime-dev on behalf of Rachel Protacio"
> <hotspot-runtime-dev-bounces at openjdk.java.net on behalf of
> rachel.protacio at oracle.com> wrote:
>
>> Hi,
>>
>> I wonder whether it's better to declare
>>
>>     const char* spaces = "         ";
>>
>> and then set nSpaces as strlen(spaces), so it's clear that the spaces
>> string will always be consistent with nSpaces?
> Good idea, Rachel! I feel uncomfortable with the ³disconnected²
> declarations as well. I had to use a non-constant char array because a
> Œ\0¹ is stored into it.
>
> Btw, a ³beautiful² fix would abandon the spaces array altogether and
> implement columnar alignment with the help of tty->fill_to(pos). But that
> would be a reengineering effort which might not take the Java9 hurdle.
>
>> Otherwise, looks good to me.
>> Rachel
>>
>> On 12/12/2016 9:45 AM, Schmidt, Lutz wrote:
>>> Hi,
>>>
>>> may I please ask for reviews and sponsorship for this small fix in
>>> command
>>> line flag printing?
>>>
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8170981
>>> webrev: http://cr.openjdk.java.net/~simonis/webrevs/2016/8170981
>>>
>>> Thank you!
>>> Lutz
>>>



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