[project @ 2001-01-12 17:45:30 by qrczak]

Add resetErrno :: IO ()
Use it in Directory, before calling readdir.

2 files changed, 10 insertions, 2 deletions

diff --git a/ghc/lib/std/Directory.hsc b/ghc/lib/std/Directory.hsc
index 67f959f784..2672fea907 100644
--- a/ghc/lib/std/Directory.hsc
+++ b/ghc/lib/std/Directory.hsc
@@ -1,5 +1,5 @@
 -- -----------------------------------------------------------------------------
--- $Id: Directory.hsc,v 1.2 2001/01/12 15:48:56 simonmar Exp $
+-- $Id: Directory.hsc,v 1.3 2001/01/12 17:45:30 qrczak Exp $
 --
 -- (c) The University of Glasgow, 1994-2000
 --
@@ -345,6 +345,7 @@ getDirectoryContents path = do
   where
     loop :: Ptr CDir -> IO [String]
     loop dir = do
+      resetErrno
       p <- readdir dir
       if (p /= nullPtr)
 	 then do entry   <- peekCString ((#ptr struct dirent,d_name) p)
diff --git a/ghc/lib/std/PrelCError.lhs b/ghc/lib/std/PrelCError.lhs
index 84553214aa..757f43bea9 100644
--- a/ghc/lib/std/PrelCError.lhs
+++ b/ghc/lib/std/PrelCError.lhs
@@ -1,5 +1,5 @@
 % -----------------------------------------------------------------------------
-% $Id: PrelCError.lhs,v 1.1 2001/01/11 17:25:57 simonmar Exp $
+% $Id: PrelCError.lhs,v 1.2 2001/01/12 17:45:30 qrczak Exp $
 %
 % (c) The FFI task force, 2000
 %
@@ -39,6 +39,7 @@ module PrelCError (
   -- access to the current thread's "errno" value
   --
   getErrno,             -- :: IO Errno
+  resetErrno,           -- :: IO ()
 
   -- conversion of an "errno" value into IO error
   --
@@ -281,6 +282,12 @@ getErrno :: IO Errno
 getErrno  = liftM Errno (peek _errno)
 
 
+-- set the current thread's "errno" value to 0
+--
+resetErrno :: IO ()
+resetErrno  = poke _errno 0
+
+
 -- throw current "errno" value
 -- ---------------------------