28 lines
672 B
Haskell
28 lines
672 B
Haskell
module Utils where
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import Data.Char
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import Data.Word
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import Data.ByteString (ByteString)
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import Data.Monoid (mconcat)
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import qualified Data.ByteString as B
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katZero :: Int
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katZero = 0
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--hexalise :: String -> [Word8]
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hexalise s = concatMap (\c -> [ hex $ c `div` 16, hex $ c `mod` 16 ]) s
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where hex i
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| i >= 0 && i <= 9 = fromIntegral (ord '0') + i
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| i >= 10 && i <= 15 = fromIntegral (ord 'a') + i - 10
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| otherwise = 0
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splitB :: Int -> ByteString -> [ByteString]
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splitB l b =
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if B.length b > l
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then
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let (b1, b2) = B.splitAt l b in
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b1 : splitB l b2
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else
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[ b ]
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