License	BSD-style
Maintainer	Vincent Hanquez <vincent@snarc.org>
Stability	stable
Portability	good
Safe Haskell	None
Language	Haskell2010

Data.Memory.Endian

Description

Synopsis

Documentation

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 details

Eq Endianness Source #
Instance details Defined in Data.Memory.Endian Methods (==) :: Endianness -> Endianness -> Bool Source # (/=) :: Endianness -> Endianness -> Bool Source #
Show Endianness Source #
Instance details Defined in Data.Memory.Endian Methods showsPrec :: Int -> Endianness -> ShowS Source # show :: Endianness -> String Source # showList :: [ Endianness ] -> ShowS Source #

Return the system endianness

newtype BE a Source #

Big Endian value

Constructors

BE
Fields unBE :: a

Instances details

Eq a => Eq ( BE a) Source #
Instance details Defined in Data.Memory.Endian Methods (==) :: BE a -> BE a -> Bool Source # (/=) :: BE a -> BE a -> Bool Source #
Show a => Show ( BE a) Source #
Instance details Defined in Data.Memory.Endian Methods showsPrec :: Int -> BE a -> ShowS Source # show :: BE a -> String Source # showList :: [ BE a] -> ShowS Source #
Storable a => Storable ( BE a) Source #
Instance details Defined in Data.Memory.Endian Methods sizeOf :: BE a -> Int Source # alignment :: BE a -> Int Source # peekElemOff :: Ptr ( BE a) -> Int -> IO ( BE a) Source # pokeElemOff :: Ptr ( BE a) -> Int -> BE a -> IO () Source # peekByteOff :: Ptr b -> Int -> IO ( BE a) Source # pokeByteOff :: Ptr b -> Int -> BE a -> IO () Source # peek :: Ptr ( BE a) -> IO ( BE a) Source # poke :: Ptr ( BE a) -> BE a -> IO () Source #

newtype LE a Source #

Little Endian value

Constructors

LE
Fields unLE :: a

Instances details

Eq a => Eq ( LE a) Source #
Instance details Defined in Data.Memory.Endian Methods (==) :: LE a -> LE a -> Bool Source # (/=) :: LE a -> LE a -> Bool Source #
Show a => Show ( LE a) Source #
Instance details Defined in Data.Memory.Endian Methods showsPrec :: Int -> LE a -> ShowS Source # show :: LE a -> String Source # showList :: [ LE a] -> ShowS Source #
Storable a => Storable ( LE a) Source #
Instance details Defined in Data.Memory.Endian Methods sizeOf :: LE a -> Int Source # alignment :: LE a -> Int Source # peekElemOff :: Ptr ( LE a) -> Int -> IO ( LE a) Source # pokeElemOff :: Ptr ( LE a) -> Int -> LE a -> IO () Source # peekByteOff :: Ptr b -> Int -> IO ( LE a) Source # pokeByteOff :: Ptr b -> Int -> LE a -> IO () Source # peek :: Ptr ( LE a) -> IO ( LE a) Source # poke :: Ptr ( LE a) -> LE a -> IO () Source #

Convert from a big endian value to the cpu endianness

Convert a value in cpu endianess to big endian

Convert from a little endian value to the cpu endianness

Convert a value in cpu endianess to little endian

Class of types that can be byte-swapped.

e.g. Word16, Word32, Word64

Minimal complete definition

byteSwap

Instances details

ByteSwap Word16 Source #
Instance details Defined in Data.Memory.Endian Methods byteSwap :: Word16 -> Word16
ByteSwap Word32 Source #
Instance details Defined in Data.Memory.Endian Methods byteSwap :: Word32 -> Word32
ByteSwap Word64 Source #
Instance details Defined in Data.Memory.Endian Methods byteSwap :: Word64 -> Word64