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Date: Sat, 18 Aug 2012 12:32:48 -0400
Message-ID: 
 <CALK=YjNuiEBjtK7a1PyXD=n7wyXM-OSy6_bgW0e_r3RoOx7Q_w@mail.gmail.com>
Subject: Re: best way to return the content of a file
From: Eric Covener <covener@gmail.com>
To: modules-dev@httpd.apache.org
Content-Type: text/plain; charset=ISO-8859-1

> i'm enabling my module with a Location directive:
>
>     <Location /data>
>     SetHandler kcache
>     </Location>
>
> and i want to control the execution of the module with an initial check:
>
> if (!r->handler || strcmp(r->handler, "kcache")) return (DECLINED);
>
> but r->handler is null if the hook is called in ap_hook_translate_name
> state, so how can i check this condition?

You can't check that condition early.  You should implement a
directive to enable your module in these early phases.