mod_http2: more rigid error handling in DATA frame assembly



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failures under Visual Studio 2015 and other mismatched MSVCRT flavors.

PR: 59630
Submitted by: Jan Ehrhardt <phpdev ehrhardt.nl>



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(follow up/fix to r1748338 committed in 2.4.21)

Submitted by: ylavic
Reviewed by: icing, minfrin


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follow-up to r1748429


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mod_proxy_http2 no longer shares objects with mod_http2
h2_casecmpstr eliminated, uses backported ap_cstr_casecmp*



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to opt-in previous behaviour (2.2) with CRLs verification when checking
certificate(s) with no corresponding CRL.

Submitted by: ylavic
Reviewed by: icing, minfrin


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according the number of listeners buckets.

Submitted by: ylavic
Reviewed by: jim, minfrin


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for case-insensitive C/POSIX-locale token comparison.

Submitted by: wrowe
Reviewed by: jim, minfrin


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"UserDir" directive

Submitted by: jailletc36
Reviewed by: jim, minfrin


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Cache-Control header parsing.

Submitted by: jailletc36
Reviewed by: jim, minfrin


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     Example:

        Included configuration files:
          (*) .../conf/httpd.conf
            (517) .../conf/extra/proxy-html.conf
              (91) /dev/null

Submitted by: Jacob Champion <champion.pxi gmail.com>
Reviewed by: covener, gsmith, minfrin


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SCRIPT_FILENAME to a FastCGI server. PR59618.


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mod_dav: Add dav_get_provider_name() function to obtain the name
of the provider from mod_dav.

Submitted by: minfrin
Reviewed/backported by: jim


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Add 451... Needed to adjust RESPONSE_CODES which
was not in the provided patch
BUGZ# 58985
Reviewed/backported by: jim


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Avoid memory allocation before making sure that this handler can handle the URL

Avoid memory allocation before making sure that this handler can handle the URL
Submitted by: jailletc36
Reviewed/backported by: jim


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mod_proxy_http2: properly care for HTTP2 flow control of the frontend
     connection is HTTP/1.1. [Patch supplied by Evgeny Kotkov]



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