added operator= in ThreadInfo + removed redundant null check

GleeBug/Debugger.Thread.cpp

@@ -21,6 +21,18 @@ namespace GleeBug
     {
     }
 
+    ThreadInfo & ThreadInfo::operator=(const ThreadInfo& other)
+    {
+        dwThreadId = other.dwThreadId;
+        hThread = other.hThread;
+        lpThreadLocalBase = other.lpThreadLocalBase;
+        lpStartAddress = other.lpStartAddress;
+        registers = Registers(); //create new registers
+        stepCallbacks = other.stepCallbacks;
+        isSingleStepping = other.isSingleStepping;
+        return *this;
+    }
+
     bool ThreadInfo::RegReadContext()
     {
         SuspendThread(this->hThread);

GleeBug/Debugger.Thread.h

@@ -34,6 +34,13 @@ namespace GleeBug
         */
         ThreadInfo(const ThreadInfo & other);
 
+        /**
+        \brief Assignment operator.
+        \param other The other object.
+        \return A shallow copy of this object.
+        */
+        ThreadInfo & operator=(const ThreadInfo & other);
+
         /**
         \brief Read the register context from the thread. This fills the RegistersInfo member.
         \return true if it succeeds, false if it fails.

GleeBug/Debugger.cpp

@@ -45,8 +45,7 @@ namespace GleeBug
             &si,
             &_mainProcess);
 
-        if (szCreateWithCmdLine)
+        delete[] szCreateWithCmdLine;
-            delete[] szCreateWithCmdLine;
 
         return result;
     }