On Mon, 21 Sep 2026 16:31:55 GMT, Daniel Jeliński <[email protected]> wrote:

>> There are some RegQueryValueEx* calls in e.g. net and nio, those can 
>> potentially be simplified by using RegGetValue*.
>> Benefit is that some null termination of string results might be not needed 
>> any more, that is missing now.
>> 
>> See 
>> https://learn.microsoft.com/de-de/windows/win32/api/winreg/nf-winreg-reggetvaluea
>>  .
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> src/java.base/windows/native/libjava/TimeZone_md.c line 72:
> 
>> 70:  * Calls RegGetValue to get the value for the specified key.
>> 71:  * First tries the Unicode version, if that fails,
>> 72:  * falls back to the ANSI version and converts to Unicode.
> 
> The fallback only made sense on non-Unicode Windows versions, the last of 
> which was Windows ME. We should remove it, either here or in a follow up 
> ticket. This method `getValueInRegistry` can be replaced with `RegGetValueW` 
> then.

Thanks for the comment and hint, I thought the same considering the comment 
about the ancient Windows versions.
Should we maybe do it in a follow-up issue ?

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PR Review Comment: https://git.openjdk.org/jdk/pull/32987#discussion_r4069098453

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