[project @ 1998-06-19 10:06:21 by simonm]

Use BUFSIZ sized blocks for Haskell-side buffering, not (BUFSIZ+1),
which probably interacts very badly with the C-side buffering.

diff --git a/ghc/lib/std/IO.lhs b/ghc/lib/std/IO.lhs
index b524d39..8a63dac 100644 (file)
--- a/ghc/lib/std/IO.lhs
+++ b/ghc/lib/std/IO.lhs
@@ -415,7 +415,7 @@ hPutStr handle str = do
             Just (BlockBuffering (Just size)) ->
                writeBlocks (filePtr hdl) size str
             Just (BlockBuffering Nothing) ->
-               writeBlocks (filePtr hdl) ``BUFSIZ'' str
+               writeBlocks (filePtr hdl) (``BUFSIZ''-1) str
             _ -> -- Nothing is treated pessimistically as NoBuffering
                writeChars (filePtr hdl) str
          )
@@ -429,7 +429,7 @@ writeLines :: ForeignObj -> String -> IO Bool
 #else
 writeLines :: Addr -> String -> IO Bool
 #endif
-writeLines = writeChunks ``BUFSIZ'' True 
+writeLines = writeChunks (``BUFSIZ''-1) True 
 
 #ifndef __PARALLEL_HASKELL__
 writeBlocks :: ForeignObj -> Int -> String -> IO Bool