From 3de8b6345796d527bc59d69df0fa4897f62e0dc1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Fri, 19 Dec 2014 22:37:31 -0800
Subject: [PATCH] Fixed crash when xinput is not present.

---
 examples/common/entry/entry_windows.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/examples/common/entry/entry_windows.cpp b/examples/common/entry/entry_windows.cpp
index c70127db3..66189681d 100644
--- a/examples/common/entry/entry_windows.cpp
+++ b/examples/common/entry/entry_windows.cpp
@@ -79,12 +79,21 @@ namespace entry
 			{
 				XInputGetState = (PFN_XINPUT_GET_STATE)bx::dlsym(m_xinputdll, "XInputGetState");
 //				XInputEnable   = (PFN_XINPUT_ENABLE   )bx::dlsym(m_xinputdll, "XInputEnable"  );
+
+				if (NULL == XInputGetState)
+				{
+					shutdown();
+				}
 			}
 		}
 
 		void shutdown()
 		{
-			bx::dlclose(m_xinputdll);
+			if (NULL != m_xinputdll)
+			{
+				bx::dlclose(m_xinputdll);
+				m_xinputdll = NULL;
+			}
 		}
 
 		bool filter(GamepadAxis::Enum _axis, int32_t _old, int32_t* _value)
@@ -98,6 +107,11 @@ namespace entry
 
 		void update(EventQueue& _eventQueue)
 		{
+			if (NULL == m_xinputdll)
+			{
+				return;
+			}
+
 			WindowHandle defaultWindow = { 0 };
 			GamepadHandle handle = { 0 };