1 files changed, 61 insertions, 0 deletions
diff --git a/common/os_version.hpp b/common/os_version.hpp
new file mode 100644
index 00000000..ad85de7d
--- /dev/null
+++ b/common/os_version.hpp
@@ -0,0 +1,61 @@
+/**************************************************************************
+ *
+ * Copyright 2014 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#pragma once
+
+
+#ifdef _WIN32
+
+
+#include <windows.h>
+
+
+/**
+ * VersionHelpers.h is not yet widely available (only available on certain MSVC
+ * and Windows SDK versions), so just define our own helpers.
+ *
+ * See http://msdn.microsoft.com/en-gb/library/windows/desktop/ms725491.aspx
+ */
+static inline bool
+IsWindows8OrGreater()
+{
+   OSVERSIONINFOEXW osvi;
+   ZeroMemory(&osvi, sizeof osvi);
+   osvi.dwOSVersionInfoSize = sizeof osvi;
+   osvi.dwMajorVersion = 6;
+   osvi.dwMinorVersion = 2;
+   osvi.wServicePackMajor = 0;
+   DWORDLONG dwlConditionMask = 0;
+   VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
+   VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
+   VER_SET_CONDITION(dwlConditionMask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
+   return VerifyVersionInfoW(&osvi,
+                             VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR,
+                             dwlConditionMask);
+}
+
+
+#endif /* _WIN32 */