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From: telephil9@gmail.com
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Date: Fri, 20 Mar 2020 18:12:41 +0100
To: ori@eigenstate.org, knusbaum@sdf.org, 9front@9front.org, kokamoto@hera.eonet.ne.jp
Subject: Re: [9front] adding javascript enable to netsurf
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X-Bullshit: pipelining browser high-performance grid 

On Fri Mar 20 17:16:38 CET 2020, ori@eigenstate.org wrote:
> > I think the error is due to a limitation of the webfs fetcher. Currently, the fetcher hangs on
> > to webfs handles until they're freed by netsurf, even after the data is
> > read, because after they're closed things like headers are unavailable.
> > This means tha webfs handles can be exhausted, at which point netsurf
> > starts to run into that error.
> > 
> > This can definitely be improved in the webfs fetcher, but maybe the
> > relatively low webfs handle limit could also be raised.
> > 
> 
> Are they ever released, or are they effectively leaked?
> 
> Also, searching on Google just.. doesn't work. It seems like we get
> a bogus URL.
> 

I tracked this one down to iconv not being implemented (see posix/src/iconv.c).
For the bogus URL, the reason is that when the form is submitted, its fields are encoded (form_encode_item() in netsurf/content/handlers/html/form.c) using iconv which returns null each time (hence the many =&=&=&=).
Proper fix would be to implement the iconv() function, easy cheat is to return the unmodified item in the form_encode_item() function.