[Haskell-cafe] Detecting system endianness

Ryan Ingram ryani.spam at gmail.com
Thu Dec 18 07:33:22 EST 2008


I think something like this might work:

Prelude GHC.Exts GHC.Word> let W64# x = 0x100000002 in W32# (unsafeCoerce# x)
2

You should get 1 for big-endian and 2 for little-endian.

(Disclaimer: not particularily well-tested.)

  -- ryan

On Thu, Dec 18, 2008 at 3:27 AM, Mauricio <briqueabraque at yahoo.com> wrote:
> Hi,
>
> Is there some way I can check the endianness
> of the machine my haskell code is running in?
>
> Thanks,
> Maurício
>
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