X-Spam-Check-By: sourceware.org
Message-ID: <44E473D3.1070309@sh.cvut.cz>
Date: Thu, 17 Aug 2006 15:49:07 +0200
From: =?ISO-8859-1?Q?V=E1clav_Haisman?= <v DOT haisman AT sh DOT cvut DOT cz>
User-Agent: Thunderbird 1.5.0.5 (Windows/20060719)
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: Cygwin 1.5.18: Problem using setsockopt() for multicast
References: <Pine DOT LNX DOT 4 DOT 21 DOT 0608170139450 DOT 20778-100000 AT aass DOT oru DOT se> <Pine DOT CYG DOT 4 DOT 58 DOT 0608170836160 DOT 2408 AT PC1163-8460-XP DOT flightsafety DOT com>
In-Reply-To: <Pine.CYG.4.58.0608170836160.2408@PC1163-8460-XP.flightsafety.com>
Content-Type: multipart/signed; micalg=pgp-sha1;  protocol="application/pgp-signature";  boundary="------------enig6733855D9EED7D46B288679A"
X-IsSubscribed: yes
Reply-To: cygwin AT cygwin DOT com
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

--------------enig6733855D9EED7D46B288679A
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Brian Ford wrote:
> On Thu, 17 Aug 2006, Alessandro Saffiotti wrote:
>=20
>> I ran into the following problem when using setsockopt to create a
>> multicast receiver in my own application.  Here is the relevant part
>> of the code:
>>
>>   tcp_broadcast_receiver =3D socket(PF_INET,SOCK_DGRAM,IPPROTO_IP);
>>
>>   memset(&imreq, 0, sizeof(struct ip_mreq));
>>   imreq.imr_multiaddr.s_addr =3D inet_addr("227.1.3.5");
>>   imreq.imr_interface.s_addr =3D INADDR_ANY;
>=20
> INADDR_ANY is in host byte order, but you need network order for this
> call.
>=20
INADDR_ANY is 0 (zero), so that should not cause any problem anywhere.

--
VH



--------------enig6733855D9EED7D46B288679A
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.3 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iQEVAwUBRORz5ENOZDESBK8FAQKANAf+OEbfIjkhNsDI9cWjjPvThXmecC9/zHgp
zg/v/5Eh5NRF1su+lR4pcoKsBPAy5yPVlEQs68Ym81vCgB/6K8Jso553UATu/++5
j031jexPQZcuwxcqsge0S5JDJn8d3L+s8fyok51XG3uU+PW+m56Ua6Oh0rUKxRkC
MwkTOZwBNSdkUiNNHzlnY+WGWIUII8bqeQcWIzIzIdqrKlWzI9TlK9tXwNPbFze6
ph1RkS69h911E/YukSThMMMGh9g3mYdLgIpPvvX4pVgb2azB2a8MKvWxFTcRE8u4
6SWuAWeuPpoL/Hs5CeVTNtTWQBJKff2SiPLb9IeixMUHK/Cmq8a4lQ==
=cqAA
-----END PGP SIGNATURE-----

--------------enig6733855D9EED7D46B288679A--