X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Foreign%2FMarshal%2FAlloc.hs;h=fb9f8dd351e5b2144757687305036aac50b729d8;hb=e689c74ff37943db15ce9886f6361387a8f80e5f;hp=65294cefea71b469d8e45e37640bdeb65c14258f;hpb=7196f1ea1790dc0ef7986ae6757bdcf46a286e3f;p=ghc-base.git

diff --git a/Foreign/Marshal/Alloc.hs b/Foreign/Marshal/Alloc.hs
index 65294ce..fb9f8dd 100644
--- a/Foreign/Marshal/Alloc.hs
+++ b/Foreign/Marshal/Alloc.hs
@@ -30,22 +30,28 @@ module Foreign.Marshal.Alloc (
 
 import Data.Maybe
 import Foreign.Ptr	 	( Ptr, nullPtr, FunPtr )
-import Foreign.ForeignPtr	( FinalizerPtr )
 import Foreign.C.Types	 	( CSize )
 import Foreign.Storable  	( Storable(sizeOf) )
 
 #ifdef __GLASGOW_HASKELL__
+import Foreign.ForeignPtr	( FinalizerPtr )
 import GHC.IOBase
 import GHC.Real
 import GHC.Ptr
 import GHC.Err
 import GHC.Base
+import GHC.Num
 #elif defined(__NHC__)
+import NHC.FFI			( FinalizerPtr, CInt(..) )
 import IO			( bracket )
 #else
 import Control.Exception	( bracket )
 #endif
 
+#ifdef __HUGS__
+import Hugs.ForeignPtr		( FinalizerPtr )
+#endif
+
 
 -- exported functions
 -- ------------------
@@ -115,6 +121,7 @@ realloc  = doRealloc undefined
 -- C\'s @realloc()@).
 --
 reallocBytes          :: Ptr a -> Int -> IO (Ptr a)
+reallocBytes ptr 0     = do free ptr; return nullPtr
 reallocBytes ptr size  = 
   failWhenNULL "realloc" (_realloc ptr (fromIntegral size))