{- | Copyright : Will Thompson, Iñaki García Etxebarria and Jonas Platte License : LGPL-2.1 Maintainer : Iñaki García Etxebarria (garetxe@gmail.com) Structure used for scatter/gather data output. You generally pass in an array of #GOutputVectors and the operation will use all the buffers as if they were one buffer. -} module GI.Gio.Structs.OutputVector ( -- * Exported types OutputVector(..) , noOutputVector , -- * Properties -- ** Buffer outputVectorReadBuffer , -- ** Size outputVectorReadSize , ) where import Prelude () import Data.GI.Base.ShortPrelude import qualified Data.Text as T import qualified Data.ByteString.Char8 as B import qualified Data.Map as Map import GI.Gio.Types import GI.Gio.Callbacks newtype OutputVector = OutputVector (ForeignPtr OutputVector) noOutputVector :: Maybe OutputVector noOutputVector = Nothing outputVectorReadBuffer :: OutputVector -> IO (Ptr ()) outputVectorReadBuffer s = withManagedPtr s $ \ptr -> do val <- peek (ptr `plusPtr` 0) :: IO (Ptr ()) return val outputVectorReadSize :: OutputVector -> IO Word64 outputVectorReadSize s = withManagedPtr s $ \ptr -> do val <- peek (ptr `plusPtr` 8) :: IO Word64 return val