Date: Thu, 25 Oct 2001 09:48:19 +1000 From: Darren Reed <darrenr@reed.wattle.id.au> To: peter@wemm.org (Peter Wemm) Cc: astouffer@adelphia.net, freebsd-alpha@FreeBSD.ORG, darrenr@reed.wattle.id.au Subject: Re: ipfilter bug (was: Re: compiler bugs? ) Message-ID: <200110242348.JAA06267@avalon.reed.wattle.id.au> In-Reply-To: <20011024164534.857FF39F3@overcee.netplex.com.au> from Peter Wemm at "Oct 24, 1 09:45:34 am"
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Thanks Peter!
Darren
In some email I received from Peter Wemm, sie wrote:
> Adam Stouffer wrote:
> > I'm trying to get ipfilter compiled so this box can be made into a
> > firewall. After getting the latest ipfilter sources (3.4.21) I follow the
> > instructions and type 'make freebsd4' after a minute or so it stops with
> > this error:
> >
> > cc1: warnings being treated as errors
> > ../../ip_auth.c: In function `fr_auth_ioctl':
> > ../../ip_auth.c:344: warning: comparison is always false due to limited
> > range of data type
> > *** Error code 1
> >
> > Line 344 shows:
> >
> > if (cmd == SIOCRMAFR) {
> >
> > After emailing Darren Reed he says its because of a compiler bug. Is this
> > true? 4.4 release also ships with the same 2.95.3 version of gcc. Also why
> > is ipfilter not included in the ports tree? Thanks.
>
> Nope. It is a code bug in ipfilter:
>
> int fr_auth_ioctl(data, mode, cmd, fr, frptr)
> caddr_t data;
> int mode;
> #if defined(__NetBSD__) || defined(__OpenBSD__) || (FreeBSD_version >= 300003)
> ^^^^^^^^^^^^^^^^^^^
> u_long cmd;
> #else
> int cmd;
> #endif
>
> It is __FreeBSD_version, not FreeBSD_version. This means that it is using
> the 'int cmd' form, which is not large enough to represent the SIOCRMAFR
> ioctl value.
>
> > Adam
>
> Cheers,
> -Peter
> --
> Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
> "All of this is for nothing if we don't go to the stars" - JMS/B5
>
>
>
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