netmask - Mailing list pgsql-general

From Oleg Sharoiko
Subject netmask
Date
Msg-id Pine.BSF.4.10.9907301015240.14588-200000@fido.rnd.runnet.ru
Whole thread Raw
Responses Re: [GENERAL] netmask
List pgsql-general
Hello!

I think this is a bug. But it's said not to report any bugs unless you're
sure that it's a bug, so I'm asking heer is this a bug?

template1=> select netmask('10.0.0.1/0');
        netmask
---------------
255.255.255.255
(1 row)

This happens because
word << shift
uses only 5 low bits of shift (this is described in docs on Intel processor).
Running
word << 32
on sparc also gives unchanegd word

I've included a patch for 6.5.
I think it will work with 6.5.1

--
Oleg.

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