-{-# OPTIONS_GHC -XNoImplicitPrelude -XBangPatterns #-}
+{-# OPTIONS_GHC -XNoImplicitPrelude -XBangPatterns -fno-warn-identities #-}
+-- Whether there are identities depends on the platform
{-# OPTIONS_HADDOCK hide #-}
-----------------------------------------------------------------------------
-- |
-- always returns EISDIR if the file is a directory and was opened
-- for writing, so I think we're ok with a single open() here...
fd <- throwErrnoIfMinus1Retry "openFile"
- (c_open f (fromIntegral oflags) 0o666)
+ (c_open f oflags 0o666)
(fD,fd_type) <- mkFD fd iomode Nothing{-no stat-}
False{-not a socket-}
#ifndef mingw32_HOST_OS
(flip finally) (release fd) $ do
#endif
- throwErrnoIfMinus1Retry_ "GHC.IO.FD.close" $
+ let closer realFd =
+ throwErrnoIfMinus1Retry_ "GHC.IO.FD.close" $
#ifdef mingw32_HOST_OS
- if fdIsSocket fd then
- c_closesocket (fdFD fd)
- else
+ if fdIsSocket fd then
+ c_closesocket (fromIntegral realFd)
+ else
#endif
- c_close (fdFD fd)
+ c_close (fromIntegral realFd)
+ closeFdWith closer (fromIntegral (fdFD fd))
release :: FD -> IO ()
#ifdef mingw32_HOST_OS
-- Reading and Writing
fdRead :: FD -> Ptr Word8 -> Int -> IO Int
-fdRead fd ptr bytes = do
- r <- readRawBufferPtr "GHC.IO.FD.fdRead" fd ptr 0 (fromIntegral bytes)
- return (fromIntegral r)
+fdRead fd ptr bytes
+ = do { r <- readRawBufferPtr "GHC.IO.FD.fdRead" fd ptr 0 (fromIntegral bytes)
+ ; return (fromIntegral r) }
fdReadNonBlocking :: FD -> Ptr Word8 -> Int -> IO (Maybe Int)
fdReadNonBlocking fd ptr bytes = do
r <- readRawBufferPtrNoBlock "GHC.IO.FD.fdReadNonBlocking" fd ptr
0 (fromIntegral bytes)
- case r of
+ case fromIntegral r of
(-1) -> return (Nothing)
- n -> return (Just (fromIntegral n))
+ n -> return (Just n)
fdWrite :: FD -> Ptr Word8 -> Int -> IO ()