Fix a bug in route(8)

Matthew Dillon dillon at
Sun Sep 9 16:25:21 PDT 2007

:The attached patch allows "route add 128/8 <gateway>" to work
:correctly. While here, rectify the way netmasks are deduced from the
:address class.
:Please verify.
:Noticed-by: Tom Judge <tom at>
:Reported-on: freebsd-net mailing list

    Works here.  I noticed something while testing it... netstat -rn
    (display routes) is not displaying CIDR blocks properly.  Look:

Destination        Gateway            Flags    Refs      Use  Netif Expire          UH          0      183    lo0
128.0/8         UGSc        0        0   nfe0

    That should read 128/8, not 128.0/8.  It's mixing the core classes
    with the CIDR specification.

    Would you like to have a go at fixing that, too?

    If nobody reports any bugs I'll commit your route patch on Monday.


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