From a4f0b179a3668e45278717e26af619d41b199cd5 Mon Sep 17 00:00:00 2001
From: ed <eddavies95@gmail.com>
Date: Mon, 29 Apr 2019 10:24:56 +0100
Subject: [PATCH] Added a check for an empty lambda in
 LambdaCallback::modalStateFinished()

---
 .../components/juce_ModalComponentManager.cpp            | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/modules/juce_gui_basics/components/juce_ModalComponentManager.cpp b/modules/juce_gui_basics/components/juce_ModalComponentManager.cpp
index 94865c3b96..5c5c44e25d 100644
--- a/modules/juce_gui_basics/components/juce_ModalComponentManager.cpp
+++ b/modules/juce_gui_basics/components/juce_ModalComponentManager.cpp
@@ -283,8 +283,13 @@ int ModalComponentManager::runEventLoopForCurrentComponent()
 //==============================================================================
 struct LambdaCallback  : public ModalComponentManager::Callback
 {
-    LambdaCallback (std::function<void(int)> fn) noexcept : function (fn) {}
-    void modalStateFinished (int result) override  { function (result); }
+    LambdaCallback (std::function<void(int)> fn) noexcept  : function (fn)  {}
+
+    void modalStateFinished (int result) override
+    {
+        if (function != nullptr)
+            function (result);
+    }
 
     std::function<void(int)> function;