X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=GHC%2FIO%2FHandle%2FInternals.hs;h=403407f0d9cd0f21342faedc37c42ac2847057f1;hb=7d39e10019df33f1a19d65b3c58c4d01a7dc8d30;hp=0de07f437ff7366bcd64fa92278d888c32d5b238;hpb=2c7c50ca5e6f9bf1eebf70ba633c77027952edef;p=ghc-base.git

diff --git a/GHC/IO/Handle/Internals.hs b/GHC/IO/Handle/Internals.hs
index 0de07f4..403407f 100644
--- a/GHC/IO/Handle/Internals.hs
+++ b/GHC/IO/Handle/Internals.hs
@@ -205,7 +205,8 @@ checkWritableHandle act h_@Handle__{..}
            buf <- readIORef haCharBuffer
            writeIORef haCharBuffer buf{ bufState = WriteBuffer }
            buf <- readIORef haByteBuffer
-           writeIORef haByteBuffer buf{ bufState = WriteBuffer }
+           buf' <- Buffered.emptyWriteBuffer haDevice buf
+           writeIORef haByteBuffer buf'
         act h_
       _other               -> act h_
 
@@ -705,8 +706,8 @@ writeTextDevice h_@Handle__{..} cbuf = do
   debugIO ("writeTextDevice after encoding: cbuf=" ++ summaryBuffer cbuf' ++ 
         " bbuf=" ++ summaryBuffer bbuf')
 
-  Buffered.flushWriteBuffer haDevice bbuf'
-  writeIORef haByteBuffer bbuf{bufL=0,bufR=0}
+  bbuf' <- Buffered.flushWriteBuffer haDevice bbuf'
+  writeIORef haByteBuffer bbuf'
   if not (isEmptyBuffer cbuf')
      then writeTextDevice h_ cbuf'
      else return ()