dv17: #i108414#: Check for existance of GetNativeSystemInfo before using this function

1 files changed, 24 insertions, 1 deletions

diff --git a/desktop/win32/source/setup/setup.cpp b/desktop/win32/source/setup/setup.cpp
index c51dcd105bfd..6a43f20ebb22 100644..100755
--- a/desktop/win32/source/setup/setup.cpp
+++ b/desktop/win32/source/setup/setup.cpp
@@ -1981,7 +1981,30 @@ boolean SetupAppX::InstallRuntimes()
     TCHAR *sRuntimePath = 0;
     SYSTEM_INFO siSysInfo;
 
-    GetNativeSystemInfo(&siSysInfo);
+    HMODULE hKernel32 = ::LoadLibrary(_T("Kernel32.dll"));
+    if ( hKernel32 != NULL )
+    {
+        typedef void (CALLBACK* pfnGetNativeSystemInfo_t)(LPSYSTEM_INFO);
+        pfnGetNativeSystemInfo_t pfnGetNativeSystemInfo;
+        pfnGetNativeSystemInfo = (pfnGetNativeSystemInfo_t)::GetProcAddress(hKernel32, "GetNativeSystemInfo");
+        if ( pfnGetNativeSystemInfo != NULL )
+        {
+            pfnGetNativeSystemInfo(&siSysInfo);
+        }
+        else
+        {
+            // GetNativeSystemInfo does not exist. Maybe the code is running under Windows 2000.
+            // Use GetSystemInfo instead.
+            GetSystemInfo(&siSysInfo);
+        }
+        FreeLibrary(hKernel32);
+    }
+    else
+    {
+        // Failed to check Kernel32.dll. There may be something wrong.
+        // Use GetSystemInfo instead anyway.
+        GetSystemInfo(&siSysInfo);
+    }
 
     OutputDebugStringFormat( TEXT( "found architecture<%d>\r\n" ), siSysInfo.wProcessorArchitecture );