sending an empty UDP packet.

[Corinna Vinschen]

On Jun 30 14:27, Dave Korn wrote:
> On 30 June 2006 12:09, Corinna Vinschen wrote:
> 
> > On Jun 30 19:18, Tanaka Akira wrote:
> >> Hi.  I have a trouble to send an empty UDP packet.
> > 
> > Thanks for the bug report and especially the testcase.  It's incredible
> > but the check for a zero length packet has been introduced in 2002, 4
> > years ago, and nobody has ever complained that it's wrong.  Wow.  Almost
> > embarrassing.
> > 
> > I've fixed that in current CVS.  Check the next snapshot from
> > http://cygwin.com/snapshots or wait for 1.5.20, which is really
> > due soon now.
> 
>   Sending no data with unreliable delivery (of that no data) is a bit too zen
> for most, I guess ...

Agreed.  I'm still scratching my head what sending an empty UDP packet
is good for, but it's perfectly valid.


Corinna