RFR: 8296812: sprintf is deprecated in Xcode 14 [v17]

Laurent Bourgès lbourges at openjdk.org
Wed Dec 7 16:02:21 UTC 2022


On Wed, 7 Dec 2022 08:35:52 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Xue-Lei Andrew Fan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   comment for snprintf_checked
>
> src/hotspot/os/bsd/attachListener_bsd.cpp line 260:
> 
>> 258:   // name ("load", "datadump", ...), and <arg> is an argument
>> 259:   int expected_str_count = 2 + AttachOperation::arg_count_max;
>> 260:   const int max_len = (ver_str_len + 1) + (AttachOperation::name_length_max + 1) +
> 
> This makes `max_len` a runtime variable, before it was a compile time constant. Below, we use it to create the buf array. IIRC creating an array with a variable runtime length is a non-standard compiler extension. I am surprised this even builds.

better to keep sizeof(ver_str) here (const)

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PR: https://git.openjdk.org/jdk/pull/11115


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