1 files changed, 23 insertions, 0 deletions
diff --git a/ipc/mscom/StructStream.cpp b/ipc/mscom/StructStream.cpp
new file mode 100644
index 0000000000..4a24962a6f
--- /dev/null
+++ b/ipc/mscom/StructStream.cpp
@@ -0,0 +1,23 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <malloc.h>
+#include <rpc.h>
+
+/**
+ * These functions need to be defined in order for the types that use
+ * mozilla::mscom::StructToStream and mozilla::mscom::StructFromStream to work.
+ */
+extern "C" {
+
+void __RPC_FAR* __RPC_USER midl_user_allocate(size_t aNumBytes) {
+  const unsigned long kRpcReqdBufAlignment = 8;
+  return _aligned_malloc(aNumBytes, kRpcReqdBufAlignment);
+}
+
+void __RPC_USER midl_user_free(void* aBuffer) { _aligned_free(aBuffer); }
+
+}  // extern "C"