Codec.Compression.BZip

High-level functions throw BZError on error.

Since: 0.1.1.0

High-level functions.

compress :: ByteString -> ByteString

Since: 0.1.1.0

compressWith

Arguments

:: CInt

Block size (1-9)

-> CInt

Work factor (0-250)

-> ByteString

-> ByteString

See bzlib manual for information on compression parameters.

Since: 0.1.1.0

decompress :: ByteString -> ByteString

Don't use this on pathological input; it may not be secure

This does not handle nested streams

Since: 0.1.1.0

decompressErr :: ByteString -> Either BZError ByteString

Return an error rather than throwing an exception.

Since: 1.0.1.0

Errors

data BZError

Constructors

BzConfigError

BzOutbuffFull

BzUnexpectedEof

BzIoError

BzDataErrorMagic

BzDataError

BzMemError

BzParamError

BzSequenceError

BzOk

BzRunOk

BzFlushOk

BzFinishOk

BzStreamEnd

Instances

Enum BZError

Defined in Codec.Compression.BZip.Foreign.Common

Methods

succ :: BZError -> BZError

pred :: BZError -> BZError

toEnum :: Int -> BZError

fromEnum :: BZError -> Int

enumFrom :: BZError -> [BZError]

enumFromThen :: BZError -> BZError -> [BZError]

enumFromTo :: BZError -> BZError -> [BZError]

enumFromThenTo :: BZError -> BZError -> BZError -> [BZError]

Eq BZError

Defined in Codec.Compression.BZip.Foreign.Common

Methods

(==) :: BZError -> BZError -> Bool

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

Show BZError

Defined in Codec.Compression.BZip.Foreign.Common

Methods

showsPrec :: Int -> BZError -> ShowS

show :: BZError -> String

showList :: [BZError] -> ShowS

Exception BZError

Defined in Codec.Compression.BZip.Foreign.Common

Methods

toException :: BZError -> SomeException

fromException :: SomeException -> Maybe BZError

displayException :: BZError -> String

Miscellany

bZ2BzlibVersion :: String