On Tue, Oct 09, 2007 at 09:27:38AM +0200, Joakim Tjernlund wrote:
>
> Just fond out something:
> if I redirect my prog like so:
> ./sniff > log
> and press Ctrl-C after a packet has been sent to it,
> it does NOT work. I don't get ANY output in my "log" file, not
> even the printf("---------\n") appears.
> But if I run whithout redirect it works(at least with ETH_P_BPQ)
> Anyone else see this too?
Um, this is what we call buffering.
You either need to turn buffering off with setbuf(3) or you
should install a SIGINT handler to flush the output before
exiting.
Cheers,
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