From 399f11086685c6703a42fc6e10f5640f0f359eb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rud=C3=A1=20Cunha?= <ruda@ruda.com.br>
Date: Mon, 27 Feb 2017 06:11:26 -0300
Subject: [PATCH] Fix crash Stop and pNext (#15)

Crash occurs if you make a Stop and then a Start.
Then you should check if it's really running.

Set NULL in pNext pointer to avoid junk.
---
 src/Task.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/Task.h b/src/Task.h
index 95cd9b1..d8183b0 100644
--- a/src/Task.h
+++ b/src/Task.h
@@ -57,7 +57,8 @@ class Task
     Task(uint32_t timeInterval) :
             _timeInterval(timeInterval),
             _remainingTime(0),
-            _taskState(TaskState_Stopped)
+            _taskState(TaskState_Stopped),
+            _pNext(NULL)
     {
     }
 
@@ -102,8 +103,11 @@ class Task
     }
     void Stop()
     {
-        OnStop();
-        _taskState = TaskState_Stopping;
+        if (_taskState == TaskState_Running)
+        {
+            OnStop();
+            _taskState = TaskState_Stopping;
+        }
     }
 };