Learning C and VRT_SetHdr()

[Ken Brownfield]

On Thu, Mar 31, 2011 at 06:25, Dan <dan at retrobadger.net> wrote:

> Sadly no luck with that, I have ammended my code as recommended.  Varnish
> is still able to restart without errors, but WSOD on page load.  My custom
> function is now something:
>

The length of your header is 20 characters including the colon.  013 is the
length (in octal) of the X-Whatever: example provided to explain this to
you, it is not octal for 20.  Replace 013 with 024 to avoid segfaults.
 There are docs covering this on the website, BTW.

What on earth is a WSOD?
-- 
kb



>
> sub detectmobile {
>  C{
>    VRT_SetHdr(sp, HDR_BEREQ, "\013X-Varnish-TeraWurfl:", "no1",
> vrt_magic_string_end);
>  }C
> }
>
> And the only occurance of 'call detectmobile;' is in:
> sub vcl_deliver {}
>
> Are there any libraries required for the VRT scripts to work?
>
> Do I need to alter the /etc/varnish/default file for C to work in varnish?
>
>
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>
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