{-# LANGUAGE MultiParamTypeClasses #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module System.Process.ByteString.Lazy where

import Control.DeepSeq (force)
import Control.Exception
import qualified Control.Exception as C (evaluate)
import Control.Monad
import Data.ByteString.Lazy (ByteString)
import Data.ListLike (null)
import Data.ListLike.IO (hGetContents, hPutStr)
import Data.Word (Word8)
import Prelude hiding (null)
import System.Process
import qualified System.Process.ListLike as LL
import System.Exit (ExitCode)
import System.IO (hClose, hFlush)
import Utils (forkWait)

-- | Like 'System.Process.readProcessWithExitCode', but using 'ByteString'
instance LL.ListLikeProcessIO ByteString Word8 where
    forceOutput = C.evaluate . force

-- | Specialized version for backwards compatibility.
readProcessWithExitCode :: FilePath -> [String] -> ByteString -> IO (ExitCode, ByteString, ByteString)
readProcessWithExitCode = LL.readProcessWithExitCode

readCreateProcessWithExitCode :: CreateProcess -> ByteString -> IO (ExitCode, ByteString, ByteString)
readCreateProcessWithExitCode = LL.readCreateProcessWithExitCode