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Re: mac.c

From: Alex Pilosov <alex(at)pilosoft(dot)com>
To: Larry Rosenman <ler(at)lerctr(dot)org>
Cc: pgsql-hackers(at)hub(dot)org
Subject: Re: mac.c
Date: 2000-08-02 03:06:44
Message-ID: Pine.BSO.4.10.10008012259421.4362-100000@spider.pilosoft.com (view raw or flat)
Thread:
Lists: pgsql-hackers
It appears to me that macaddr_manuf can be defined as this:

macaddr * macaddr_trunc (macaddr *addr)
{
   macaddr *result;
   if (addr==NULL) return NULL;
   result=(macaddr *) palloc(sizeof(struct macaddr));
   result->a=addr->a;
   result->b=addr->b;
   result->c=addr->c;
   result->d=0;
   result->e=0;
   result->f=0;
   return result;
}

and then 

create function macaddr_trunc(macaddr) returns macaddr as 
 'MODULE_PATHNAME' language 'c';

and then
create function macaddr_manuf(macaddr) returns varchar2 as '
  select name from macaddr_blah where mac=macaddr_trunc($1)
' language 'sql';

Be warned, this code was typed directly in editor and not compiled ;P
Unfortunately, I don't have time to make a full-fledged contrib out of
this and Larry's awk files.

-alex


On Tue, 1 Aug 2000, Larry Rosenman wrote:

> Any comments at all from anyone on my mail from Sunday Nite on
> making the macaddr_manuf function just return a 
> masked MACADDR (I.E. set the low 3 bytes to 0x00) and how we
> do this in the code?
> 
> Any comments on the ouiparse.awk script?
> 
> LER
> 
> 



In response to

  • mac.c at 2000-08-02 01:55:19 from Larry Rosenman

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