On Mon, 19 Jan 2004, Poul-Henning Kamp wrote: > In message <[EMAIL PROTECTED]>, Garrett Wollman > writes: > ><<On Mon, 19 Jan 2004 12:58:00 +0100, "Poul-Henning Kamp" <[EMAIL PROTECTED]> said: > > > >> I'm considering ways to make sendmsg(2)/recvmsg(2) DTRT, and my > >> current candidate is give them a flag bit which says "msg_name has > >> both addresses". > > > >Um, they already do the right thing. That's what the IP_RECVDESTADDR
actually it is IP_RECVDSTADDR (no E). > >option (and its dual whose name I forget right now) is all about. > > Yeah, I found that out. Now, where on the earth is that documented ? You mean for FreeBSD or in ISBN 0-13-490012-X ? For FreeBSD it is man 4 ip: --- cite --- If the IP_RECVDSTADDR option is enabled on a SOCK_DGRAM socket, the recvmsg(2) call will return the destination IP address for a UDP data- gram. The msg_control field in the msghdr structure points to a buffer that contains a cmsghdr structure followed by the IP address. The cmsghdr fields have the following values: --- cite --- -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT 56 69 73 69 74 http://www.zabbadoz.net/ _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"