On Fri, 6 Nov 2020 14:03:10 GMT, Thomas Stuefe <stu...@openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one 
>> additional commit since the last revision:
>> 
>>   More.
>
> src/jdk.jdwp.agent/share/native/libjdwp/log_messages.c line 86:
> 
>> 84:     char tmp[20];
>> 85:     snprintf(tmp, sizeof(tmp), "%.3d", millisecs);
>> 86:     snprintf(tbuf, ltbuf, "%s.%s %s", timestamp_date_time, tmp, 
>> timestamp_timezone);
> 
> Sorry, Coleen, we still miss the precision limit in the second printf.
> 
> char tmp[20];
> snprintf(tmp, sizeof(tmp), "%.3d", millisecs);
> snprintf(tbuf, ltbuf, "%s.%.3s %s", timestamp_date_time, tmp, 
> timestamp_timezone);
>                           ^^^^
> 
> The point was to first print the digit with enough space to hold its 
> stringified value (20 is more than enough). We need to print that one with 
> .3d to get zero-padding to three digits if the value is <100.
> 
> Then to print that stringified version with ".3s" since, in contrast to %d, 
> with %s the precision actually works as a limiter.
> 
> Thanks for your patience.

Thanks for all your help and quick responses.  I made that change, see new 
commit.  I should realize that there are no simple changes!

-------------

PR: https://git.openjdk.java.net/jdk/pull/1067

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