Re: [lwip-users] callback function args in lwip 1.3

[Kieran Mansley]

On Mon, 2008-02-18 at 13:55 +0000, Hans Jacob Moller wrote:
> Allocate inst pointer and fill ind some values.
> 
> .
> 
> newpcb = tcp_listen(oldpcb);
> 
> tcp_arg(newpcb,inst);
> 
> tcp_accept(newpcb, acceptConnect);
>
> err_t acceptConnect(void *arg, struct tcp_pcb *newpcb, err_t err)
> 
> arg seems to be NULL when it is called from the lwip stack….

Can you check what the values of newpcb are at each stage?  e.g. Does
the newpcb argument supplied when acceptConnect() is called match the
newpcb you gave to tcp_arg() and tcp_accept()?

Kieran