Secure Faust::RefManager::release() by raising a runtime_error when an unknown...

Secure Faust::RefManager::release() by raising a runtime_error when an unknown pointer is asked to be removed.

misc/test/src/C++/test_RefManager.cpp

@@ -5,7 +5,7 @@
 #include "faust_constant.h"
 
 using namespace Faust;
-
+using namespace std;
 void free_cb(void* ref)
 {
 	cout << "\tcallback frees MatGeneric" << endl;
@@ -32,5 +32,13 @@ int main()
 	manager.release(mat1);
 	cout << "release mat2" << endl;
 	manager.release(mat2);
+	try
+	{
+		manager.release(mat2);
+	}
+	catch(runtime_error re)
+	{
+		cerr << re.what() << endl;
+	}
 	return EXIT_SUCCESS;
 }

src/utils/faust_RefManager.cpp

 #include "faust_RefManager.h"
+#include <exception>
 
 void Faust::RefManager::acquire(void* ref)
 {
@@ -37,6 +38,8 @@ void Faust::RefManager::release(void* ref)
 		else
 			refCounts[ref]--;
 	}
+	else
+		throw runtime_error("RefManager error: unknown pointer reference asked.");
 }
 
 void Faust::RefManager::set_free_cb(void(*cb)(void*))