src/Main.hs: inline MissingH "join" function to eliminate the dependency.

[haeredes.git] / src / Main.hs

diff --git a/src/Main.hs b/src/Main.hs
index f513ec67ff62149c5ec1409940cedbdab1bae7e2..8178209b5dac41ee3692aa545c39f2c63e5d3e4e 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -9,8 +9,7 @@ import qualified Data.ByteString.Char8 as BS (
   getContents,
   pack,
   words )
-import Data.List ( (\\) )
-import Data.String.Utils (join)
+import Data.List ( (\\), intersperse )
 import Network.DNS (
   Domain,
   FileOrNumericHost(RCHostName),
@@ -20,18 +19,19 @@ import Network.DNS (
   normalize,
   normalizeCase,
   withResolver )
-import System.Exit (ExitCode(..), exitWith)
+import System.Exit (ExitCode(ExitFailure), exitWith)
 import System.IO (hPutStrLn, stderr)
 
-
-import CommandLine (Args(..), get_args)
+import CommandLine (
+   Args(NS,MX,delegates,no_append_root,server,timeout),
+   get_args)
 import DNS (
   LookupResult,
   lookupMX',
   lookupNS',
   resolve_address )
 import ExitCodes (exit_bad_server)
-import Timeout (Timeout(..))
+import Timeout (Timeout(seconds))
 
 
 -- | Given a list of delegates, report results for this
@@ -71,6 +71,11 @@ report delgts normalize_function (d, Right raw_hosts) = do
                (show d) ++
                " delegates somewhere else: " ++
                (join " " (map show leftovers))
+  where
+    -- Create one big string by joining together a list of smaller
+    -- strings and placing a delimiter between them.
+    join :: String -> [String] -> String
+    join delimiter strings = concat (intersperse delimiter strings)
 
 
 main :: IO ()