Hello!

On Mon, Dec 05, 2022 at 09:39:21AM +0800, 杜叶飞(淮叶) via nginx-devel wrote:

> OK, I I have another question about this.
> 'NGX_MODULE_SIGNATURE_27' should be with NGX_HTTP_GZIP as the
> following patch ?

No.

The NGX_HTTP_GZIP macro, which affects layout of nginx public
structures, already affects the binary signature, so it won't be
possible to load a module built with NGX_HTTP_GZIP defined into
nginx built without NGX_HTTP_GZIP (and vice versa). No additional
characters in the signature are needed for NGX_HTTP_GZIP.

The NGX_MODULE_SIGNATURE_27 macro is basically a spare one after
3b522d7a5b34, and can be reused for something else (or removed if
we'll decide to clean up things).

--
Maxim Dounin
http://mdounin.ru/
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