[APPHELP_APITEST] Remove some code duplication.

[reactos.git] / rostests / apitests / apphelp / data.c

diff --git a/rostests/apitests/apphelp/data.c b/rostests/apitests/apphelp/data.c
index cfb1f5c..8ad575a 100644 (file)
--- a/rostests/apitests/apphelp/data.c
+++ b/rostests/apitests/apphelp/data.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Mark Jansen
+ * Copyright 2015,2016 Mark Jansen
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -783,3 +783,19 @@ void test_create_db(const char* name)
     }
 }
 
+static DWORD g_WinVersion;
+DWORD get_host_winver()
+{
+    if (!g_WinVersion)
+    {
+        RTL_OSVERSIONINFOEXW rtlinfo = {0};
+        void (__stdcall* pRtlGetVersion)(RTL_OSVERSIONINFOEXW*);
+        pRtlGetVersion = (void (__stdcall*)(RTL_OSVERSIONINFOEXW*))GetProcAddress(GetModuleHandleA("ntdll"), "RtlGetVersion");
+
+        rtlinfo.dwOSVersionInfoSize = sizeof(rtlinfo);
+        pRtlGetVersion(&rtlinfo);
+        g_WinVersion = (rtlinfo.dwMajorVersion << 8) | rtlinfo.dwMinorVersion;
+    }
+    return g_WinVersion;
+}
+