diff options
Diffstat (limited to 'RegUtils.hs')
| -rw-r--r-- | RegUtils.hs | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/RegUtils.hs b/RegUtils.hs index 429abec..ba997a1 100644 --- a/RegUtils.hs +++ b/RegUtils.hs @@ -12,7 +12,6 @@ module RegUtils ( delValue import Control.Exception ( bracket ) import Data.Maybe ( fromMaybe ) -import Foreign.C.String ( peekCWString, withCWString ) import Foreign.ForeignPtr ( withForeignPtr ) import Foreign.Marshal.Alloc ( alloca, allocaBytes ) import Foreign.Ptr ( castPtr, plusPtr ) @@ -25,7 +24,7 @@ getType :: HKEY -> String -> String -> IO (Maybe RegValueType) getType key subKeyPath valueName = bracket (regOpenKey key subKeyPath) regCloseKey $ \key -> withForeignPtr key $ \keyPtr -> - withCWString valueName $ \valueNamePtr -> + withTString valueName $ \valueNamePtr -> alloca $ \typePtr -> do ret <- c_RegQueryValueEx keyPtr valueNamePtr nullPtr typePtr nullPtr nullPtr case ret of @@ -39,7 +38,7 @@ getString :: HKEY -> String -> String -> IO String getString key subKeyPath valueName = bracket (regOpenKey key subKeyPath) regCloseKey $ \key -> withForeignPtr key $ \keyPtr -> - withCWString valueName $ \valueNamePtr -> + withTString valueName $ \valueNamePtr -> alloca $ \dataSizePtr -> do poke dataSizePtr 0 ret <- c_RegQueryValueEx keyPtr valueNamePtr nullPtr nullPtr nullPtr dataSizePtr @@ -52,16 +51,16 @@ getString key subKeyPath valueName = poke (castPtr $ plusPtr dataPtr $ fromIntegral dataSize) '\0' failUnlessSuccess "RegQueryValueEx" $ c_RegQueryValueEx keyPtr valueNamePtr nullPtr nullPtr dataPtr dataSizePtr - peekCWString $ castPtr dataPtr + peekTString $ castPtr dataPtr 0x2 -> ioError $ mkIOError doesNotExistErrorType "RegQueryValueEx" Nothing $ Just (subKeyPath ++ "\\" ++ valueName) _ -> failWith "RegQueryValueEx" ret setString :: HKEY -> String -> String -> String -> IO () setString key subKeyPath valueName valueValue = bracket (regOpenKey key subKeyPath) regCloseKey $ \subKey -> - withTStringLen valueValue $ \(ptr, len) -> do + withTString valueValue $ \ptr -> do type' <- getType key subKeyPath valueName - regSetValueEx subKey valueName (fromMaybe rEG_SZ type') ptr $ len * sizeOf (undefined :: TCHAR) + regSetValueEx subKey valueName (fromMaybe rEG_SZ type') ptr $ (length valueValue + 1) * sizeOf (undefined :: TCHAR) notifyEnvironmentUpdate foreign import ccall "BroadcastSystemMessageW" @@ -69,7 +68,7 @@ foreign import ccall "BroadcastSystemMessageW" notifyEnvironmentUpdate :: IO () notifyEnvironmentUpdate = - withCWString "Environment" $ \lparamPtr -> do + withTString "Environment" $ \lparamPtr -> do let wparam = fromIntegral $ castPtrToUINTPtr nullPtr let lparam = fromIntegral $ castPtrToUINTPtr lparamPtr c_BroadcastSystemMessage bSF_POSTMESSAGE nullPtr wM_SETTINGCHANGE wparam lparam @@ -82,7 +81,7 @@ delValue :: HKEY -> String -> String -> IO () delValue key subKeyPath valueName = bracket (regOpenKey key subKeyPath) regCloseKey $ \subKey -> withForeignPtr subKey $ \subKeyPtr -> - withCWString valueName $ \valueNamePtr -> do + withTString valueName $ \valueNamePtr -> do ret <- c_RegDeleteValue subKeyPtr valueNamePtr notifyEnvironmentUpdate case ret of |