Data.Memory.Endian

Documentation

data Endianness

represent the CPU endianness

Big endian system stores bytes with the MSB as the first byte. Little endian system stores bytes with the LSB as the first byte.

middle endian is purposely avoided.

Constructors

LittleEndian

BigEndian

Instances

Show Endianness

Defined in Data.Memory.Endian

Methods

showsPrec :: Int -> Endianness -> ShowS

show :: Endianness -> String

showList :: [Endianness] -> ShowS

Eq Endianness

Defined in Data.Memory.Endian

Methods

(==) :: Endianness -> Endianness -> Bool

(/=) :: Endianness -> Endianness -> Bool

getSystemEndianness :: Endianness

Return the system endianness

newtype BE a

Big Endian value

Constructors

BE

Fields

• unBE :: a

Instances

Storable a => Storable (BE a)

Defined in Data.Memory.Endian

Methods

sizeOf :: BE a -> Int

alignment :: BE a -> Int

peekElemOff :: Ptr (BE a) -> Int -> IO (BE a)

pokeElemOff :: Ptr (BE a) -> Int -> BE a -> IO ()

peekByteOff :: Ptr b -> Int -> IO (BE a)

pokeByteOff :: Ptr b -> Int -> BE a -> IO ()

peek :: Ptr (BE a) -> IO (BE a)

poke :: Ptr (BE a) -> BE a -> IO ()

Show a => Show (BE a)

Defined in Data.Memory.Endian

Methods

showsPrec :: Int -> BE a -> ShowS

show :: BE a -> String

showList :: [BE a] -> ShowS

Eq a => Eq (BE a)

Defined in Data.Memory.Endian

Methods

(==) :: BE a -> BE a -> Bool

(/=) :: BE a -> BE a -> Bool

newtype LE a

Little Endian value

Constructors

LE

Fields

• unLE :: a

Instances

Storable a => Storable (LE a)

Defined in Data.Memory.Endian

Methods

sizeOf :: LE a -> Int

alignment :: LE a -> Int

peekElemOff :: Ptr (LE a) -> Int -> IO (LE a)

pokeElemOff :: Ptr (LE a) -> Int -> LE a -> IO ()

peekByteOff :: Ptr b -> Int -> IO (LE a)

pokeByteOff :: Ptr b -> Int -> LE a -> IO ()

peek :: Ptr (LE a) -> IO (LE a)

poke :: Ptr (LE a) -> LE a -> IO ()

Show a => Show (LE a)

Defined in Data.Memory.Endian

Methods

showsPrec :: Int -> LE a -> ShowS

show :: LE a -> String

showList :: [LE a] -> ShowS

Eq a => Eq (LE a)

Defined in Data.Memory.Endian

Methods

(==) :: LE a -> LE a -> Bool

(/=) :: LE a -> LE a -> Bool

fromBE :: ByteSwap a => BE a -> a

Convert from a big endian value to the cpu endianness

toBE :: ByteSwap a => a -> BE a

Convert a value in cpu endianess to big endian

fromLE :: ByteSwap a => LE a -> a

Convert from a little endian value to the cpu endianness

toLE :: ByteSwap a => a -> LE a

Convert a value in cpu endianess to little endian

class Storable a => ByteSwap a

Class of types that can be byte-swapped.

e.g. Word16, Word32, Word64

Minimal complete definition

byteSwap

Instances

ByteSwap Word16

Defined in Data.Memory.Endian

Methods

byteSwap :: Word16 -> Word16

ByteSwap Word32

Defined in Data.Memory.Endian

Methods

byteSwap :: Word32 -> Word32

ByteSwap Word64

Defined in Data.Memory.Endian

Methods

byteSwap :: Word64 -> Word64