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?

Yes, we need those. Code them up, and I will add them as standard
types.

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026