Date: Mon, 20 Jun 2005 13:32:54 +0200 From: "Cole" <cole@opteqint.net> To: <hackers@freebsd.org> Subject: Re: FD_ZERO problem Message-ID: <000701c5758b$d9784910$4206000a@deadmind> References: <000b01c57583$fa036820$4206000a@deadmind>
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Infact, ignore this, im not thinking today :)
Sorry for totally stupid post
/Cole
----- Original Message -----
From: "Cole" <cole@opteqint.net>
To: <hackers@freebsd.org>
Sent: Monday, June 20, 2005 12:36 PM
Subject: FD_ZERO problem
> Hi
>
> Ive been looking at nbtscan, the 1.5.1 version, and it seems to core, with a segmentation fault.
> I traced the problem down to a FD_ZERO(fdsr).
>
> I was wondering is there any like checking that can be done before issuing that command. Its part of a while loop, inside the
> program, where it runs fine, till the last loop, im guessing maybe its maybe doing an extra loop where it shouldnt, but the while
> loop is
> while( (select(sock+1, fdsr, fdsw, NULL, &select_timeout) ) > 0 ) {
>
> So I dont think the while is giving a false positive, but this isnt my code, I havent had time to check it all out, but I was just
> wondering if there are any checks that can be done to the fd_set * fdsr pointer before issuing a FD_ZERO?
>
> Regards
> /Cole
>
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