[sonar] Use a logger for help messages.

[simgrid.git] / include / xbt / string.hpp

diff --git a/include/xbt/string.hpp b/include/xbt/string.hpp
index cd51303..5b8ab7d 100644 (file)
--- a/include/xbt/string.hpp
+++ b/include/xbt/string.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -121,7 +121,8 @@ public:
   }
   string& operator=(string const& s)
   {
-    assign(s.c_str(), s.size());
+    if (this != &s)
+      assign(s.c_str(), s.size());
     return *this;
   }
   string& operator=(std::string const& s)