1 files changed, 35 insertions, 0 deletions
diff --git a/mozglue/misc/WindowsUnicode.h b/mozglue/misc/WindowsUnicode.h
new file mode 100644
index 0000000000..77fc376b92
--- /dev/null
+++ b/mozglue/misc/WindowsUnicode.h
@@ -0,0 +1,35 @@
+/* -*- 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 https://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_glue_WindowsUnicode_h
+#define mozilla_glue_WindowsUnicode_h
+
+#include "mozilla/UniquePtr.h"
+
+#include <string>
+
+struct _UNICODE_STRING;
+
+namespace mozilla {
+namespace glue {
+
+mozilla::UniquePtr<char[]> WideToUTF8(const wchar_t* aStr,
+                                      const size_t aStrLenExclNul);
+
+mozilla::UniquePtr<char[]> WideToUTF8(const wchar_t* aStr);
+mozilla::UniquePtr<char[]> WideToUTF8(const std::wstring& aStr);
+mozilla::UniquePtr<char[]> WideToUTF8(const _UNICODE_STRING* aStr);
+
+#if defined(bstr_t)
+inline mozilla::UniquePtr<char[]> WideToUTF8(const _bstr_t& aStr) {
+  return WideToUTF8(static_cast<const wchar_t*>(aStr), aStr.length());
+}
+#endif  // defined(bstr_t)
+
+}  // namespace glue
+}  // namespace mozilla
+
+#endif  // mozilla_glue_WindowsUnicode_h