Robert Shearman : ole32: Add more tracing for reading and writing storage streams.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 8d39c809501f61f011758e7f41f351d2259b7a49
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=8d39c809501f61f011758e7f41f351d2259b7a49

Author: Robert Shearman <rob at codeweavers.com>
Date:   Wed May  3 14:48:15 2006 +0100

ole32: Add more tracing for reading and writing storage streams.

Add more tracing for read and write operations and warn in the case of
failure.

---

 dlls/ole32/stg_stream.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/dlls/ole32/stg_stream.c b/dlls/ole32/stg_stream.c
index e208fb6..9bbb9a8 100644
--- a/dlls/ole32/stg_stream.c
+++ b/dlls/ole32/stg_stream.c
@@ -268,7 +268,10 @@ static HRESULT WINAPI StgStreamImpl_Read
 	iface, pv, cb, pcbRead);
 
   if (!This->parentStorage)
+  {
+    WARN("storage reverted\n");
     return STG_E_REVERTED;
+  }
  
   /*
    * If the caller is not interested in the number of bytes read,
@@ -372,6 +375,7 @@ static HRESULT WINAPI StgStreamImpl_Writ
   case STGM_READWRITE:
       break;
   default:
+      WARN("access denied by flags: 0x%lx\n", STGM_ACCESS_MODE(This->grfMode));
       return STG_E_ACCESSDENIED;
   }
 
@@ -379,7 +383,10 @@ static HRESULT WINAPI StgStreamImpl_Writ
     return STG_E_INVALIDPOINTER;
 
   if (!This->parentStorage)
+  {
+    WARN("storage reverted\n");
     return STG_E_REVERTED;
+  }
  
   /*
    * If the caller is not interested in the number of bytes written,
@@ -395,6 +402,7 @@ static HRESULT WINAPI StgStreamImpl_Writ
 
   if (cb == 0)
   {
+    TRACE("<-- S_OK, written 0\n");
     return S_OK;
   }
   else
@@ -441,6 +449,7 @@ static HRESULT WINAPI StgStreamImpl_Writ
    */
   This->currentPosition.u.LowPart += *pcbWritten;
 
+  TRACE("<-- S_OK, written %lu\n", *pcbWritten);
   return S_OK;
 }