Date: Wed, 01 Sep 2004 14:44:45 -0600 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: Brooks Davis <brooks@FreeBSD.org>, src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sbin/ifconfig ifconfig.c src/sys/net if.c if.h Message-ID: <73F8DDC079929FAA3D43CA2E@caspian.scsiguy.com> In-Reply-To: <200409011822.i81IMERb017602@repoman.freebsd.org> References: <200409011822.i81IMERb017602@repoman.freebsd.org>
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> brooks 2004-09-01 18:22:14 UTC > > FreeBSD src repository > > Modified files: > sbin/ifconfig ifconfig.c > sys/net if.c if.h > Log: > Use a spare byte in struct if_data to store the structure size without > increasing it. Add code to ifconfig to use this size to find the > sockaddr_dl after the struct if_data in the routing message. This > allows struct if_data to grow (up to 255 bytes) without breaking > ifconfig. You could squeeze out 256 bytes if you treat 0 as meaning 256 - just like the SCSI protocol. -- Justin
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