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List:       serdev
Subject:    [Serdev] how are arguemnts supplied to functions called from
From:       rao_ser () yahoo ! com (Rao)
Date:       2004-03-29 22:00:49
Message-ID: 20040329200114.36141.qmail () web60602 ! mail ! yahoo ! com
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Andrei,

Thanks for the answer. I was confused since the 
documentation does not mention that the sip message 
structure is passed by default (I kind of assume it 
did) and I was too afraid and unfamiliar to look at
the 
yacc/lex code :-)

Thanks a lot for your help.

Rao.
 
--- Andrei Pelinescu-Onciul
<pelinescu-onciul@fokus.fraunhofer.de> wrote:
> On Mar 28, 2004 at 01:34, Rao <rao_ser@yahoo.com>
> wrote:
> > Hi,
> >  
> > Can someone please tell me how are arguments
> supplied to functions such
> > as loose_route(), t_relay() etc  when they are
> called from the config file.
> >  
> 
> Right now all modules registered functions must take
> by default one
> parameter which is the sip message structure, and
> they can use 2
> additional ones, which are the arguments used when
> calling them from the
> script.
> 
> E.g: t_relay() in tm.c
> static int w_t_relay( struct sip_msg  *p_msg , char
> *_foo, char *_bar);
> 
> static cmd_export_t cmds[]={
> ...
> {T_RELAY,              w_t_relay,               0,
> 0,
>                         REQUEST_ROUTE |
> FAILURE_ROUTE },
> ...
> 
> In this case w_t_relay takes 0 additional parameters
> (soo foo & bar
> won't contain anything), and there is no fixup
> function  ( 0, 0 in the
> above initialization).
> 
> 
> Andrei


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