From 8d39c809501f61f011758e7f41f351d2259b7a49 Mon Sep 17 00:00:00 2001
From: Robert Shearman <rob@codeweavers.com>
Date: Wed, 3 May 2006 14:48:15 +0100
Subject: [PATCH] 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 file changed, 9 insertions(+)

diff --git a/dlls/ole32/stg_stream.c b/dlls/ole32/stg_stream.c
index e208fb63d0f..9bbb9a8506a 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_Write(
   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_Write(
     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_Write(
 
   if (cb == 0)
   {
+    TRACE("<-- S_OK, written 0\n");
     return S_OK;
   }
   else
@@ -441,6 +449,7 @@ static HRESULT WINAPI StgStreamImpl_Write(
    */
   This->currentPosition.u.LowPart += *pcbWritten;
 
+  TRACE("<-- S_OK, written %lu\n", *pcbWritten);
   return S_OK;
 }
 
-- 
2.11.4.GIT