From: David Balmain <dbalmain.ml@...>
Date: 2006-09-23T00:09:17+09:00
Subject: Re: 64-bit integers in network byte-order

On 9/22/06, Francis Cianfrocca <garbagecat10@gmail.com> wrote:
> All,
> does Ruby have a way to convert 64-bit integers to and from network
> order in a platform-independent way?
>
> For 32-bit ints, I can use [value].pack("N"). The conversion operator
> for 64-bit ints ("Q") doesn't have a network-order variant. (I assume
> this is because the underlying byte-order converters (htons/htonl) don't
> have a 64-bit version on 32-bit platforms.)
>
> --
> Posted via http://www.ruby-forum.com/.
>

Hi Francis,

A quick scan of the Ruby source tells me that you'll have to implement
it yourself. Network byte order is big-endian so you should be able to
do it like this:

    [val >> 32, val & 0xFFFFFFFF].pack("NN")

At least I think that is correct.

Cheers,
Dave