-#if __GLASGOW_HASKELL__ < 601
-
--- This code is copied from System.Cmd on GHC 6.1.
-
-rawSystem :: FilePath -> [String] -> IO ExitCode
-
-#ifndef mingw32_TARGET_OS
-
-rawSystem cmd args =
- withCString cmd $ \pcmd ->
- withMany withCString (cmd:args) $ \cstrs ->
- withArray0 nullPtr cstrs $ \arr -> do
- status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmd arr)
- case status of
- 0 -> return ExitSuccess
- n -> return (ExitFailure n)
-
-foreign import ccall "rawSystem" unsafe
- c_rawSystem :: CString -> Ptr CString -> IO Int
-
-#else
-
--- On Windows, the command line is passed to the operating system as
--- a single string. Command-line parsing is done by the executable
--- itself.
-rawSystem cmd args = do
- -- NOTE: 'cmd' is assumed to contain the application to run _only_,
- -- as it'll be quoted surrounded in quotes here.
- let cmdline = translate cmd ++ concat (map ((' ':) . translate) args)
- withCString cmdline $ \pcmdline -> do
- status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmdline)
- case status of
- 0 -> return ExitSuccess
- n -> return (ExitFailure n)
-
-translate :: String -> String
-translate str@('"':_) = str -- already escaped.
-translate str = '"' : foldr escape "\"" str
- where escape '"' str = '\\' : '"' : str
- escape '\\' str = '\\' : '\\' : str
- escape c str = c : str
-
-foreign import ccall "rawSystem" unsafe
- c_rawSystem :: CString -> IO Int
-
-#endif