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From Torsten Förtsch <>
Subject modperl_filter_t question
Date Fri, 02 Apr 2010 17:40:05 GMT

modperl_filter_t contains 2 bucket brigades:

    apr_bucket_brigade *bb_in;
    apr_bucket_brigade *bb_out;

Each time a filter is invoked a new modperl_filter_t structure is created by 
modperl_filter_new. This function sets either bb_in or bb_out bit not both.

It seems to me that it is not possible that both fields are used at the same 
time since the result of modperl_filter_new is either an output or an input 
filter but not both.

So, why are there 2 fields?

Am I missing something?

Torsten Förtsch

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