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From Justin Erenkrantz <>
Subject Re: Patch for bug 18757 breaks TLS upgrade - [Content-Length is removed from HEAD requests]
Date Wed, 08 Dec 2004 21:18:00 GMT
--On Wednesday, December 8, 2004 8:53 PM +0000 Joe Orton <> 

> I can't convince myself it would solve the general case, though: if both
> r-> and c->output_filters to happen point to the *same* filter,
> modifying the filter chain without knowledge of r-> (which is the
> problem) will still break if the filter must be inserted in the ->prev
> position?

We'd likely have to switch r->output_filters (and perhaps c->output_filters) 
to use double-indirection (**) - so that we can change the underlying pointer 
and update all 'pointers' at the same time.  -- justin

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