[project @ 2003-07-29 12:03:13 by ross]

[ghc-base.git] / Foreign / C / Error.hs

diff --git a/Foreign/C/Error.hs b/Foreign/C/Error.hs
index dcee040..33a7bfd 100644 (file)
--- a/Foreign/C/Error.hs
+++ b/Foreign/C/Error.hs
@@ -9,7 +9,7 @@
 -- Stability   :  provisional
 -- Portability :  portable
 --
--- C-specific Marshalling support: Handling of C "errno" error codes
+-- C-specific Marshalling support: Handling of C \"errno\" error codes
 --
 -----------------------------------------------------------------------------
 
@@ -82,7 +82,9 @@ module Foreign.C.Error (
 -- this is were we get the CCONST_XXX definitions from that configure
 -- calculated for us
 --
+#ifndef __NHC__
 #include "config.h"
+#endif
 
 -- system dependent imports
 -- ------------------------
@@ -105,7 +107,6 @@ import Foreign.Marshal.Error        ( void )
 import Data.Maybe
 
 #if __GLASGOW_HASKELL__
-import GHC.Storable
 import GHC.IOBase
 import GHC.Num
 import GHC.Base
@@ -114,6 +115,11 @@ import System.IO           ( IOError, Handle, ioError )
 import System.IO.Unsafe                ( unsafePerformIO )
 #endif
 
+#ifdef __HUGS__
+{-# CBITS errno.c #-}
+#endif
+
+
 -- "errno" type
 -- ------------
 
@@ -121,7 +127,11 @@ import System.IO.Unsafe            ( unsafePerformIO )
 -- This function exists because errno is a variable on some systems, but on
 -- Windows it is a macro for a function...
 -- [yes, global variables and thread safety don't really go hand-in-hand. -- sof]
+#ifdef __NHC__
+foreign import ccall unsafe "errno.h &errno" _errno :: Ptr CInt
+#else
 foreign import ccall unsafe "HsBase.h ghcErrno" _errno :: Ptr CInt
+#endif
 
 -- Haskell representation for "errno" values
 --
@@ -153,6 +163,9 @@ eOK, e2BIG, eACCES, eADDRINUSE, eADDRNOTAVAIL, eADV, eAFNOSUPPORT, eAGAIN,
 -- configure 
 --
 eOK             = Errno 0
+#ifdef __NHC__
+#include "Errno.hs"
+#else
 e2BIG           = Errno (CCONST_E2BIG)
 eACCES         = Errno (CCONST_EACCES)
 eADDRINUSE     = Errno (CCONST_EADDRINUSE)
@@ -251,6 +264,7 @@ eTXTBSY             = Errno (CCONST_ETXTBSY)
 eUSERS         = Errno (CCONST_EUSERS)
 eWOULDBLOCK    = Errno (CCONST_EWOULDBLOCK)
 eXDEV          = Errno (CCONST_EXDEV)
+#endif
 
 -- checks whether the given errno value is supported on the current
 -- architecture