[Devel] find_export("append_hf") - usage?

[Daniel-Constantin Mierla]

On 03/04/06 01:31, Daniel Hsueh wrote:
>>> Instead of fighting with the struct lump mechanism, is it simply 
>>> easier to find the "append_hf" function and call it directly?
>>
>> you should take care of parameter format, since append_hf() uses a 
>> fixup for its parameters.
>
> I tried calling append_hf in the following fashion:
>
>   append_hf( p->req, (char*)elem, 0 );
>
> where p is a tm module TMCB_REQUEST_IN callback, and elem is either
>   - char*
>   - str*
>   - xl_elem_t* generated via
>     xl_parse_format( "Header: value", &elem, XL_DISABLE_COLORS );
>     (patterned after textops.c:it_list_fixup)
Is the elem taken from callback's parameter? Take a look at core dump 
and backtrace, you will get some hints there.

Cheers,
Daniel

>
> and I get SEGVs in all cases.
>
> Can anyone suggest where I'm going wrong?
>
> (And due to the problems with str*, I believe the code in 
> modules/osp/sipheader.c:addOspHeader to be incorrect; comments?)
>