From: Jim Freeze <jim@...>
Date: 2005-05-24T03:39:29+09:00
Subject: Re: Endian packing errors.

* Brian Mitchell <binary42@gmail.com> [2005-05-24 03:25:24 +0900]:

> On 5/23/05, Jim Freeze <jim@freeze.org> wrote:
> > * Brian Mitchell <binary42@gmail.com> [2005-05-24 02:53:52 +0900]:
> > 
> > > I have a number I must convert to a network long. I have been using
> > > this thus far with success:
> > >
> > >  [number].pack("N")
> > >
> > > for 65 it should return "\000\000\000A". It does so on my linux boxes,
> > > an iMac with 10.3 but on my Powerbook with 10.4 it returns the reverse
> > > "A\000\000\000". What is causing this. Did Apple mess up yet again
> > > with including ruby? Could someone duplicate this on tiger?

On my PowerBook with Ruby 1.8.2, I get:

irb(main):001:0> [65].pack('N')
=> "\000\000\000A"
irb(main):002:0> [65].pack('n')
=> "\000A"

The "A\000\000\000" is not making sense to me.
Sorry I don't have Tiger installed to compare with.

> > Hmm, What do your machines (specifically the iMac) return for this:
> > 
> >   BigEndian    = (0 == [1].pack('l')[0])
> PB(G4): true
> iMac(G5): true
> Linux(x86): false
> >   LittleEndian = (1 == [1].pack('l')[0])
> PB(G4): false
> iMac(G5): false
> Linux(x86): true
 
-- 
Jim Freeze
Ruby: I can explain it to ya but I can't understand it fer ya.