diff -r b31b72756927 -r 82ac0596aa3c netserver/Miscutils.hs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netserver/Miscutils.hs	Fri Apr 18 18:06:17 2008 +0000
@@ -0,0 +1,27 @@
+module Miscutils where
+
+import IO
+import System.IO
+import Control.Concurrent
+import Control.Concurrent.STM
+import Control.Exception (finally)
+
+sendMsg :: Handle -> String -> IO()
+sendMsg clientHandle str = finally (return ()) (hPutStrLn clientHandle str >> hFlush clientHandle) -- catch exception when client tries to send to other
+
+sendAll :: [Handle] -> String -> IO[()]
+sendAll clientsList str = mapM (\x -> sendMsg x str) clientsList
+
+sendOthers :: [Handle] -> Handle -> String -> IO[()]
+sendOthers clientsList clientHandle str = sendAll (filter (/= clientHandle) clientsList) str
+
+extractCmd :: String -> (String, [String])
+extractCmd str = if ws == [] then ("", []) else (head ws, tail ws)
+		where ws = words str
+
+manipState :: TVar[a] -> ([a] -> [a]) -> IO()
+manipState state op =
+	atomically $ do
+			ls <- readTVar state
+			writeTVar state $ op ls
+