-- 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-}
-- 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
+ = readRawBufferPtr "GHC.IO.FD.fdRead" fd ptr 0 (fromIntegral bytes)
fdReadNonBlocking :: FD -> Ptr Word8 -> Int -> IO (Maybe Int)
fdReadNonBlocking fd ptr bytes = do
0 (fromIntegral bytes)
case r of
(-1) -> return (Nothing)
- n -> return (Just (fromIntegral n))
+ n -> return (Just n)
fdWrite :: FD -> Ptr Word8 -> Int -> IO ()