Nikolay Sivov : ole32: Add support for writing VT_BLOB properties.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ade78855293c9a9a853f76ff79864bc4a0cda1bb
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=ade78855293c9a9a853f76ff7...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Mon Apr  5 09:06:00 2021 +0300

ole32: Add support for writing VT_BLOB properties.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50917
Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/ole32/stg_prop.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dlls/ole32/stg_prop.c b/dlls/ole32/stg_prop.c
index 63e93c0b8c9..cd30dad8c99 100644
--- a/dlls/ole32/stg_prop.c
+++ b/dlls/ole32/stg_prop.c
@@ -2267,6 +2267,16 @@ static HRESULT PropertyStorage_WritePropertyToStream(PropertyStorage_impl *This,
         bytesWritten = count;
         break;
     }
+    case VT_BLOB:
+    {
+        StorageUtl_WriteDWord(&dwTemp, 0, var->blob.cbSize);
+        hr = IStream_Write(This->stm, &dwTemp, sizeof(dwTemp), &count);
+        if (FAILED(hr))
+            goto end;
+        hr = IStream_Write(This->stm, var->blob.pBlobData, var->blob.cbSize, &count);
+        bytesWritten = count + sizeof(DWORD);
+        break;
+    }
     default:
         FIXME("unsupported type: %d\n", var->vt);
         return STG_E_INVALIDPARAMETER;