1 files changed, 44 insertions, 0 deletions

diff --git a/src/burn/engine/update.cpp b/src/burn/engine/update.cpp
new file mode 100644
index 00000000..b04fa9a4
--- /dev/null
+++ b/src/burn/engine/update.cpp
@@ -0,0 +1,44 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+#include "precomp.h"
+
+
+// internal function declarations
+
+
+// function definitions
+
+extern "C" HRESULT UpdateParseFromXml(
+    __in BURN_UPDATE* pUpdate,
+    __in IXMLDOMNode* pixnBundle
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMNode* pixnUpdateNode = NULL;
+
+    hr = XmlSelectSingleNode(pixnBundle, L"Update", &pixnUpdateNode);
+    if (S_FALSE == hr)
+    {
+        ExitFunction1(hr = S_OK);
+    }
+    ExitOnFailure(hr, "Failed to select Bundle/Update node.");
+
+    // @Location
+    hr = XmlGetAttributeEx(pixnUpdateNode, L"Location", &pUpdate->sczUpdateSource);
+    ExitOnFailure(hr, "Failed to get Update@Location.");
+
+LExit:
+    ReleaseObject(pixnUpdateNode);
+
+    return hr;
+}
+
+extern "C" void UpdateUninitialize(
+    __in BURN_UPDATE* pUpdate
+    )
+{
+    PackageUninitialize(&pUpdate->package);
+
+    ReleaseStr(pUpdate->sczUpdateSource);
+    memset(pUpdate, 0, sizeof(BURN_UPDATE));
+}