RFR: 8377983: (zipfs) ZipFileSystem.initCEN needlessly reads END header

[Eirik Bjørsnøs]

On Mon, 16 Feb 2026 11:38:03 GMT, Eirik Bjørsnøs <eirbjo at openjdk.org> wrote:

> Please review this cleanup PR which updates `ZipFileSystem.initCEN` to not include the END header when reading the CEN bytes into memory.
> 
> The inclusion of the (unused) END header is a remnant from conversion from native to Java in Java 9 and  was already fixed for the corresponding `ZipFile.Source.initCEN` via JDK-8339711.
> 
> Fixing this also in `ZipFileSystem` cleans up the code locally but more importantly brings the implemenation more into alignment with the `ZipFile`.
> 
> Pure refactoring / cleanup, `noreg-cleanup`.

Thanks for the review Lance

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PR Comment: https://git.openjdk.org/jdk/pull/29741#issuecomment-3921414297