Huw Davies : ole32: Rewrite OleQueryCreateFromData so it compares clipboard format ids rather than strings and be sure to free the enumerator .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 211268a74e739b5902be4246be2402a96a4afe82
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=211268a74e739b5902be4246be2402a96a4afe82

Author: Huw Davies <huw at codeweavers.com>
Date:   Thu Apr 23 11:52:22 2009 +0100

ole32: Rewrite OleQueryCreateFromData so it compares clipboard format ids rather than strings and be sure to free the enumerator.

---

 dlls/ole32/ole2impl.c |   69 ++++++++++++++++++++++++-------------------------
 1 files changed, 34 insertions(+), 35 deletions(-)

diff --git a/dlls/ole32/ole2impl.c b/dlls/ole32/ole2impl.c
index e9310ac..f7da399 100644
--- a/dlls/ole32/ole2impl.c
+++ b/dlls/ole32/ole2impl.c
@@ -32,6 +32,7 @@
 #include "wine/debug.h"
 #include "ole2.h"
 #include "olestd.h"
+#include "compobj_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(ole);
 
@@ -40,7 +41,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(ole);
 /******************************************************************************
  *		OleQueryCreateFromData [OLE32.@]
  *
- * Author   : Abey George
  * Checks whether an object can become an embedded object.
  * the clipboard or OLE drag and drop.
  * Returns  : S_OK - Format that supports Embedded object creation are present.
@@ -48,41 +48,40 @@ WINE_DEFAULT_DEBUG_CHANNEL(ole);
  *            S_FALSE - No acceptable format is available.
  */
 
-HRESULT WINAPI OleQueryCreateFromData(LPDATAOBJECT pSrcDataObject)
+HRESULT WINAPI OleQueryCreateFromData(IDataObject *data)
 {
-  IEnumFORMATETC *pfmt;
-  FORMATETC fmt;
-  CHAR szFmtName[MAX_CLIPFORMAT_NAME];
-  BOOL bFoundStatic = FALSE;
-
-  HRESULT hr = IDataObject_EnumFormatEtc(pSrcDataObject, DATADIR_GET, &pfmt);
-
-  if (hr == S_OK)
-    hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
-
-  while (hr == S_OK)
-  {
-    GetClipboardFormatNameA(fmt.cfFormat, szFmtName, MAX_CLIPFORMAT_NAME-1);
+    IEnumFORMATETC *enum_fmt;
+    FORMATETC fmt;
+    BOOL found_static = FALSE;
+    HRESULT hr;
 
-    /* first, Check for Embedded Object, Embed Source or Filename */
+    hr = IDataObject_EnumFormatEtc(data, DATADIR_GET, &enum_fmt);
 
-    if (!strcmp(szFmtName, CF_EMBEDDEDOBJECT) || !strcmp(szFmtName, CF_EMBEDSOURCE) || !strcmp(szFmtName, CF_FILENAME))
-      return S_OK;
+    if(FAILED(hr)) return hr;
 
-    /* Check for Metafile, Bitmap or DIB */
-
-    if (fmt.cfFormat == CF_METAFILEPICT || fmt.cfFormat == CF_BITMAP || fmt.cfFormat == CF_DIB)
-      bFoundStatic = TRUE;
-
-    hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
-  }
+    do
+    {
+        hr = IEnumFORMATETC_Next(enum_fmt, 1, &fmt, NULL);
+        if(hr == S_OK)
+        {
+            if(fmt.cfFormat == embedded_object_clipboard_format ||
+               fmt.cfFormat == embed_source_clipboard_format ||
+               fmt.cfFormat == filename_clipboard_format)
+            {
+                IEnumFORMATETC_Release(enum_fmt);
+                return S_OK;
+            }
 
-  /* Found a static format, but no embed format */
+            if(fmt.cfFormat == CF_METAFILEPICT ||
+               fmt.cfFormat == CF_BITMAP ||
+               fmt.cfFormat == CF_DIB)
+                found_static = TRUE;
+        }
+    } while (hr == S_OK);
 
-  if (bFoundStatic)
-    return OLE_S_STATIC;
+    IEnumFORMATETC_Release(enum_fmt);
 
-  return S_FALSE;
+    return found_static ? OLE_S_STATIC : S_FALSE;
 }
 
 /******************************************************************************