From 42f1ad36ef93c98542f9899ada57bd55396a99f5 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 16 Sep 2016 01:08:49 +0300
Subject: .hpp instead of .h for C++ headers

---
 os.hpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 os.hpp

(limited to 'os.hpp')

diff --git a/os.hpp b/os.hpp
new file mode 100644
index 0000000..1a3c52d
--- /dev/null
+++ b/os.hpp
@@ -0,0 +1,30 @@
+#pragma once
+
+#include "error.hpp"
+
+#include <Windows.h>
+
+namespace os
+{
+    OSVERSIONINFOW get_version_info()
+    {
+        OSVERSIONINFOW info;
+        ZeroMemory(&info, sizeof(info));
+        info.dwOSVersionInfoSize = sizeof(info);
+
+        if (!GetVersionExW(&info))
+            error::raise("GetVersionExW");
+
+        return info;
+    }
+
+    bool is_vista_or_later(const OSVERSIONINFOW& info)
+    {
+        return info.dwMajorVersion >= 6;
+    }
+
+    bool is_vista_or_later()
+    {
+        return is_vista_or_later(get_version_info());
+    }
+}
-- 
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