{-# LANGUAGE CPP #-}

-- |
-- Module      : Crypto.Internal.Endian
-- License     : BSD-style
-- Maintainer  : Vincent Hanquez <vincent@snarc.org>
-- Stability   : stable
-- Portability : good
module Crypto.Internal.Endian (
    fromBE64,
    toBE64,
    fromLE64,
    toLE64,
) where

import Crypto.Internal.Compat (byteSwap64)
import Data.Word (Word64)

#ifdef ARCH_IS_LITTLE_ENDIAN
fromLE64 :: Word64 -> Word64
fromLE64 = id

toLE64 :: Word64 -> Word64
toLE64 = id

fromBE64 :: Word64 -> Word64
fromBE64 = byteSwap64

toBE64 :: Word64 -> Word64
toBE64 = byteSwap64
#else
fromLE64 :: Word64 -> Word64
fromLE64 :: Word64 -> Word64
fromLE64 = Word64 -> Word64
byteSwap64

toLE64 :: Word64 -> Word64
toLE64 :: Word64 -> Word64
toLE64 = Word64 -> Word64
byteSwap64

fromBE64 :: Word64 -> Word64
fromBE64 :: Word64 -> Word64
fromBE64 = Word64 -> Word64
forall a. a -> a
id

toBE64 :: Word64 -> Word64
toBE64 :: Word64 -> Word64
toBE64 = Word64 -> Word64
forall a. a -> a
id
#endif