On Thu, Nov 24, 2011 at 10:36:11AM +0530, Fasih wrote:
> Hi Igor
>
> Really thankful for your patience with me. I think I now understood what
> you are saying :).
>
> To summarize, header.hash == 0 is used as a flag
> in ngx_http_header_filter_module.c:http_header_filter to test whether to
> send the header downstream or not. Setting it to 1(or anything non-zero) is
> to ensure that the header is sent downstream.
>
> Since headers_out is not used by nginx core to do hash lookups, it doesnt
> calculate hash or lowcase_key, however modules like proxy or fastcgi use
> the hash value for their own benefit in which case they ensure that the
> hash/lowcase_key is initialized.
>
> I hope I got it right this time.

Yes. Sorry, I could not explain it from the very start.


--
Igor Sysoev

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