From 8b72229ffd33aa35d34a7226eb82a485ae36b1dd Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Sun, 19 Aug 2018 12:34:47 +0100
Subject: [PATCH] C++11 improvements in Mac event-input code

---
 src/Input/FGMacOSXEventInput.cxx | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Input/FGMacOSXEventInput.cxx b/src/Input/FGMacOSXEventInput.cxx
index 9eb7e80a6..4fee85f2c 100644
--- a/src/Input/FGMacOSXEventInput.cxx
+++ b/src/Input/FGMacOSXEventInput.cxx
@@ -94,10 +94,10 @@ static std::string nameForUsage(uint32_t usagePage, uint32_t usage)
 class FGMacOSXEventInputPrivate
 {
 public:
-    IOHIDManagerRef hidManager;
-    FGMacOSXEventInput* p;
-    double currentDt;
-    int currentModifiers;
+    IOHIDManagerRef hidManager = nullptr;
+    FGMacOSXEventInput* p = nullptr;
+    double currentDt = 0.0;
+    int currentModifiers = 0;
 
     void matchedDevice(IOHIDDeviceRef device);
     void removedDevice(IOHIDDeviceRef device);
@@ -170,8 +170,8 @@ private:
 
     std::string nameForHIDElement(IOHIDElementRef element) const;
     
-    IOHIDDeviceRef _hid;
-    IOHIDQueueRef _queue;
+    IOHIDDeviceRef _hid = nullptr;
+    IOHIDQueueRef _queue = nullptr;
     FGMacOSXEventInputPrivate* _subsystem;
 
     typedef std::map<std::string, IOHIDElementRef> NameElementDict;