    {-# LINE 1 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    {-# LINE 2 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    {-# LANGUAGE Safe #-}

    {-# LINE 6 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    -----------------------------------------------------------------------------
    -- |
    -- Module      :  System.Posix.Temp.ByteString
    -- Copyright   :  (c) Volker Stolz <vs@foldr.org>
    --                    Deian Stefan <deian@cs.stanford.edu>
    -- License     :  BSD-style (see the file libraries/base/LICENSE)
    --
    -- Maintainer  :  libraries@haskell.org, vs@foldr.org, deian@cs.stanford.edu
    -- Stability   :  provisional
    -- Portability :  non-portable (requires POSIX)
    --
    -- POSIX temporary file and directory creation functions.
    --
    -----------------------------------------------------------------------------

    module System.Posix.Temp.ByteString (
            mkstemp, mkstemps, mkdtemp
        ) where

    {-# LINE 26 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    import Data.ByteString (ByteString)
    import qualified Data.ByteString as B
    import qualified Data.ByteString.Char8 as BC

    import Foreign.C

    import System.IO
    import System.Posix.ByteString.FilePath

    {-# LINE 38 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    import System.Posix.IO
    import System.Posix.Types

    {-# LINE 42 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    foreign import ccall unsafe "HsUnix.h __hscore_mkstemp"
      c_mkstemp :: CString -> IO CInt

    {-# LINE 45 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    -- | Make a unique filename and open it for reading\/writing. The returned
    -- 'RawFilePath' is the (possibly relative) path of the created file, which is
    -- padded with 6 random characters. The argument is the desired prefix of the
    -- filepath of the temporary file to be created.
    --
    -- If you aren't using GHC or Hugs then this function simply wraps mktemp and
    -- so shouldn't be considered safe.
    mkstemp :: ByteString -> IO (RawFilePath, Handle)
    mkstemp template' = do
      let template = template' `B.append` (BC.pack "XXXXXX")

    {-# LINE 57 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
      withFilePath template $ \ ptr -> do
        fd <- throwErrnoIfMinus1 "mkstemp" (c_mkstemp ptr)
        name <- peekFilePath ptr
        h <- fdToHandle (Fd fd)
        return (name, h)

    {-# LINE 67 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    {-# LINE 69 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    foreign import ccall unsafe "HsUnix.h __hscore_mkstemps"
      c_mkstemps :: CString -> CInt -> IO CInt

    {-# LINE 72 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    -- |'mkstemps' - make a unique filename with a given prefix and suffix
    -- and open it for reading\/writing (only safe on GHC & Hugs).
    -- The returned 'RawFilePath' is the (possibly relative) path of
    -- the created file, which contains  6 random characters in between
    -- the prefix and suffix.
    mkstemps :: ByteString -> ByteString -> IO (RawFilePath, Handle)

    {-# LINE 80 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    mkstemps prefix suffix = do
      let template = prefix `B.append` (BC.pack "XXXXXX") `B.append` suffix
          lenOfsuf = (fromIntegral $ B.length suffix) :: CInt
      withFilePath template $ \ ptr -> do
        fd <- throwErrnoIfMinus1 "mkstemps" (c_mkstemps ptr lenOfsuf)
        name <- peekFilePath ptr
        h <- fdToHandle (Fd fd)
        return (name, h)

    {-# LINE 91 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    {-# LINE 93 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
    foreign import ccall unsafe "HsUnix.h __hscore_mkdtemp"
      c_mkdtemp :: CString -> IO CString

    {-# LINE 96 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    -- | Make a unique directory. The returned 'RawFilePath' is the path of the
    -- created directory, which is padded with 6 random characters. The argument is
    -- the desired prefix of the filepath of the temporary directory to be created.
    --
    -- If you aren't using GHC or Hugs then this function simply wraps mktemp and
    -- so shouldn't be considered safe.
    mkdtemp :: ByteString -> IO RawFilePath
    mkdtemp template' = do
      let template = template' `B.append` (BC.pack "XXXXXX")

    {-# LINE 107 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}
      withFilePath template $ \ ptr -> do
        _ <- throwErrnoIfNull "mkdtemp" (c_mkdtemp ptr)
        name <- peekFilePath ptr
        return name

    {-# LINE 116 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}

    {-# LINE 131 "libraries/unix/System/Posix/Temp/ByteString.hsc" #-}