Don't check LimitRequestBody when there is no (more) body.

This fixes an uninitialized use of 'totalread' in ap_http_filter() when either
the remaining or requested number of body bytes is zero, leading to an invalid
computation of bytes received.

Reported by: Michael Kaufmann <mail michael-kaufmann.ch>


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   an error during a compare operation. [Eric Covener]

+ accompanying trace.

Note: the if/else now matches (don't replace unknown compare errors with 
LDAP_NO_SUCH_ATTRIBUTE) the logic just above when pulling comparisons
out of the cache.



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The resource is not dereferenceable if connection_destructor()
is called from reslist_destroy().


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Use tristate single inherit_before variable instead of two, according to
wrowe's advices.


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Introduce the SubstituteInheritBefore directive to configure the merge order.
This allows to preserve 2.4 and earlier behaviour.


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Move the new pool argument of dbd_load() first as the other functions in the
module (no functional change).
Suggested by: mrumph

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DBD entries should also have request lifetime.
Proposed by: Jacob Champion <jacob.champion ni.com>
Reviewed by: ylavic

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Factorize code (no functional change).

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Limit Redirect expressions to directory (Location) context
and redirect statuses (implicit or explicit).


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Patch by Jacob Champion at ni.com


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   data during read of chunked request bodies. PR 58049. 
   [Edward Lu <Chaosed0 gmail.com>]

Submitted By: Edward Lu <Chaosed0 gmail.com>



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Will remove the deprecation message in a follow up commit.


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"LDAPConnectionPoolTTL 0".  PR58037.

Submitted by: Ted Phelps <phelps gnusto.com>
committed by: covener



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