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add a LE64 method

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This commit is contained in:
Vincent Hanquez 2015-04-08 20:41:57 +01:00
parent 21c4c1befb
commit 7e6f570e49
1 changed files with 4 additions and 0 deletions
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4
Crypto/Internal/ByteArray.hs
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@ -22,6 +22,7 @@ module Crypto.Internal.ByteArray
, byteArrayToBS
, byteArrayFromBS
, byteArrayToW64BE
, byteArrayToW64LE
) where
import Control.Applicative ((<$>))
@ -127,3 +128,6 @@ byteArrayFromBS bs = byteArrayCopyAndFreeze bs (\_ -> return ())
byteArrayToW64BE :: ByteArrayAccess bs => bs -> Int -> Word64
byteArrayToW64BE bs ofs = unsafeDoIO $ withByteArray bs $ \p -> fromBE64 <$> peek (p `plusPtr` ofs)
byteArrayToW64LE :: ByteArrayAccess bs => bs -> Int -> Word64
byteArrayToW64LE bs ofs = unsafeDoIO $ withByteArray bs $ \p -> fromLE64 <$> peek (p `plusPtr` ofs)