[HACKERS] arithmetic about inet

2010-03-07 Thread fanng yuan
I got some point from others.I already red and debug network.c . Now I now the basic logic behind that. But still I'm confused by arithmetic. I find some comments on that , I need some one's help. /* * int * bitncmp(l, r, n) * compare bit masks l and r, for n bits. * return: * -1, 1, or 0 in

Re: [HACKERS] arithmetic about inet

2010-03-07 Thread tomas
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mon, Mar 08, 2010 at 09:47:00AM +0800, fanng yuan wrote: I got some point from others.I already red and debug network.c . Now I now the basic logic behind that. But still I'm confused by arithmetic. I find some comments on that , I need some

[HACKERS] arithmetic about inet

2010-03-05 Thread fanng yuan
Hi Guys: I just do some research on ip address storage and comparing. I found pgsql already fixed that issue. I want to get some point from your guys about how this work. Could you give me some data about that . Also I'm interesting in pgsql . Could you give me some suggestion about how to hack

Re: [HACKERS] arithmetic about inet

2010-03-05 Thread Robert Haas
On Thu, Mar 4, 2010 at 4:36 AM, fanng yuan fanngy...@gmail.com wrote: Hi Guys: I just do some research on ip address storage and comparing. I found pgsql already fixed that issue. I want to get some point from your guys about how this work. Could you give me some data about that . Also I'm