X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FDirectory.hs;h=beed8798cca5fa154974083563baaaf4055361f4;hb=30c6a57ac9dfc3808a28bb2654912aa7460568c8;hp=1d63bde809152fe724e479da1bbf5341c7c79fc5;hpb=56e0a42849406ad2e3038f9185bf12691befd949;p=haskell-directory.git

diff --git a/System/Directory.hs b/System/Directory.hs
index 1d63bde..beed879 100644
--- a/System/Directory.hs
+++ b/System/Directory.hs
@@ -39,6 +39,7 @@ module System.Directory
     , copyFile                  -- :: FilePath -> FilePath -> IO ()
     
     , canonicalizePath
+    , makeRelativeToCurrentDirectory
     , findExecutable
 
     -- * Existence tests
@@ -67,6 +68,7 @@ module System.Directory
 
 import System.Directory.Internals
 import System.Environment      ( getEnv )
+import System.FilePath
 import System.IO.Error
 import Control.Monad           ( when, unless )
 
@@ -596,6 +598,12 @@ foreign import ccall unsafe "realpath"
                               -> IO CString
 #endif
 
+-- | 'makeRelative' the current directory.
+makeRelativeToCurrentDirectory :: FilePath -> IO FilePath
+makeRelativeToCurrentDirectory x = do
+    cur <- getCurrentDirectory
+    return $ makeRelative cur x
+
 -- | Given an executable file name, searches for such file
 -- in the directories listed in system PATH. The returned value 
 -- is the path to the found executable or Nothing if there isn't
@@ -875,7 +883,7 @@ foreign import ccall unsafe "__hscore_long_path_size"
 
 #else
 long_path_size :: Int
-long_path_size = 2048	/* guess? */
+long_path_size = 2048	--  // guess?
 
 #endif /* __GLASGOW_HASKELL__ */