Re: [lwip-users] Ok- Where Are They? #2

[Kieran Mansley]

On Wed, 2008-04-16 at 16:55 +1000, address@hidden wrote:

> As an aside, my compiler is questioning line 947 from api-msg.c:-
> 
>  if ((conn->write_msg->msg.w.len - conn->write_offset > 0xffff)) { /* 
> max_u16_t */
>    len = 0xffff;
> 
> with a warning that the comparison is always zero, which does beg the 
> question how can a 16-bit variable/result ever exceed 0xffff?

The two variables being subtracted are of type int.  This could easily
be greater than 16 bits on many (or even most) platforms.

Kieran