X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FCmd.hs;h=978c7a0ac9510b2ad22faa7c358ac82b4258a697;hb=3f2b8c7b91b7088eaa2a0c8a1b754ed14dad350f;hp=4e7d2847545c2ca9af7f8b3c48b4723486af1f9a;hpb=fcc7094bfb5cf5beb7d29ea9257adc6196ff9fc7;p=ghc-base.git diff --git a/System/Cmd.hs b/System/Cmd.hs index 4e7d284..978c7a0 100644 --- a/System/Cmd.hs +++ b/System/Cmd.hs @@ -15,7 +15,7 @@ module System.Cmd ( system, -- :: String -> IO ExitCode #ifdef __GLASGOW_HASKELL__ - rawSystem, -- :: String -> IO ExitCode + rawSystem, -- :: FilePath -> [String] -> IO ExitCode #endif ) where @@ -26,6 +26,7 @@ import Foreign import Foreign.C import System.Exit import GHC.IOBase +#include "config.h" #endif #ifdef __HUGS__ @@ -71,50 +72,10 @@ system cmd = foreign import ccall unsafe "systemCmd" primSystem :: CString -> IO Int -{- | -The same as 'system', but bypasses the shell (GHC only). -Will behave more portably between systems, -because there is no interpretation of shell metasyntax. --} - -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 unsafe "rawSystem" - 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 - 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 = '"' : foldr escape "\"" str - where escape '"' str = '\\' : '"' : str - escape '\\' str = '\\' : '\\' : str - escape c str = c : str - -foreign import ccall unsafe "rawSystem" - c_rawSystem :: CString -> IO Int +-- --------------------------------------------------------------------------- +-- rawSystem -#endif +-- rawSystem is in a separate file, so we can #include it various places. +#include "RawSystem.hs-inc" #endif /* __GLASGOW_HASKELL__ */