cvs commit: src/sbin/ifconfig ifconfig.c src/sys/net if.c if.h

Justin T. Gibbs gibbs at
Wed Sep 1 13:43:51 PDT 2004

> 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.


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