Re: [PATCH] ifconfig(8) flag to display IPv4 netmasks in dot-decimal format

From: Sergey Vinogradov <boogie_at_lazybytes.org>
Date: Wed, 13 Apr 2011 17:03:08 +0400
On 11.04.2011 19:17, Gary Jennejohn wrote:
> On Mon, 11 Apr 2011 16:11:27 +0400
> Sergey Vinogradov<boogie_at_lazybytes.org>  wrote:
>
>> I've written a tiny-tiny patch, which adds the '-t' flag to ifconfig(8).
>> It modifies the output to display IPv4 netmasks in dotted decimal notation:
>>
>> % ifconfig msk0
>> msk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>  metric 0 mtu 1500
>>
>> options=c011a<TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,VLAN_HWTSO,LINKSTATE>
>>           ether 00:16:e6:88:0f:89
>>           inet 10.10.0.1 netmask 0xffffff00 broadcast 10.10.0.255
>>           media: Ethernet autoselect (none)
>>           status: no carrier
>>
>> % ifconfig -t msk0
>> msk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>  metric 0 mtu 1500
>>
>> options=c011a<TXCSUM,VLAN_MTU,VLAN_HWTAGGING,TSO4,VLAN_HWTSO,LINKSTATE>
>>           ether 00:16:e6:88:0f:89
>>           inet 10.10.0.1 netmask 255.255.255.0 broadcast 10.10.0.255
>>           media: Ethernet autoselect (none)
>>           status: no carrier
>>
>> There was a discussion [1] in freebsd-hackers_at_ about adding such
>> functionality to ifconfig(8), which urged me write this patch. The
>> default behavior of ifconfig(8) is kept unmodified, so there shouldn't
>> be any compatibility breakages. At least, it works fine for me :)
>>
>> [1]
>> http://lists.freebsd.org/pipermail/freebsd-hackers/2011-April/034997.html
>>
>
> Looks good, except I'd change this line to read like this:
> +The
> +.Fl t
> +flag makes IPv4 netmasks being displayed in dotted decimal notation.
>        ^^^^^ results in
>

Note taken, fix will appear in the next patch version (if any).

-- 
wbr,
Boo
Received on Wed Apr 13 2011 - 11:02:15 UTC

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