Re: [lwip-users] RE: lwip-users Digest, Vol 14, Issue 9

[Leon Woestenberg]

Hello Eric,

Eric Shufro wrote:

> Kieran, 
>
> Why would a pcb->next pointer end up pointing to itself (pcb)?
>
> I get infinite loops and cant figure out why. Wonder if it's something with
> the way I call tcpwrite. I create a new pcb, fill in an ip address struct
> and call tcp_connect(...ip addr... callback...) etc..
>
>  
Can you enable assert() debugging in some way on your target?

You could sprinkle some assertions like these:

assert(pbuf->next != pbuf);

into often-called positions, then see when it triggers.

Anyway, good luck in debugging.

Regards, Leon.