Re: [HACKERS] CIDR type and functions

Thus spake Bruce Momjian
> Check \df and \fo. There is a >> and << operators that do subnet
> testing.

[I assume you meant \do]

Cool. I checked out what other functions as well. I don't see a couple
that were discussed early on though. Specifically, how about functions
to extract the host, the network or the netmask from an address?

Here are the functions I had suggested.

netmask('192.3.4.5/24::cidr') == 255.255.255.0
masklen('192.3.4.5/24::cidr') == 24
host('192.3.4.5/24::cidr') == 192.3.4.5
network('192.3.4.5/24::cidr') == 192.3.4.0

and perhaps;

class('192.3.4.5/24::cidr') == C
classnet('192.3.4.5/24::cidr') == 192.3.4

Can I help code up some of this stuff?

--
D'Arcy J.M. Cain <darcy(at){druid|vex}.net> | Democracy is three wolves
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