Avoid memory leaks and undefined behavior in rmw_fastrtps_dynamic_cpp…

… typesupport code (#429) (#577) Signed-off-by: Miguel Company <[email protected]> Co-authored-by: Miguel Company <[email protected]>
ros2 · Feb 3, 2022 · 2a69277 · 2a69277
1 parent a798448
commit 2a69277
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Showing 2 changed files with 90 additions and 296 deletions.
diff --git a/rmw_fastrtps_dynamic_cpp/include/rmw_fastrtps_dynamic_cpp/TypeSupport.hpp b/rmw_fastrtps_dynamic_cpp/include/rmw_fastrtps_dynamic_cpp/TypeSupport.hpp
@@ -100,7 +100,7 @@ struct StringHelper<rosidl_typesupport_introspection_c__MessageMembers>
     return std::string(data.data);
   }
 
-  static void assign(eprosima::fastcdr::Cdr & deser, void * field, bool)
+  static void assign(eprosima::fastcdr::Cdr & deser, void * field)
   {
     std::string str;
     deser >> str;
@@ -120,12 +120,9 @@ struct StringHelper<rosidl_typesupport_introspection_cpp::MessageMembers>
     return *(static_cast<std::string *>(data));
   }
 
-  static void assign(eprosima::fastcdr::Cdr & deser, void * field, bool call_new)
+  static void assign(eprosima::fastcdr::Cdr & deser, void * field)
   {
     std::string & str = *(std::string *)field;
-    if (call_new) {
-      new(&str) std::string;
-    }
     deser >> str;
   }
 };
@@ -195,8 +192,7 @@ class TypeSupport : public BaseTypeSupport
   bool deserializeROSmessage(
     eprosima::fastcdr::Cdr & deser,
     const MembersType * members,
-    void * ros_message,
-    bool call_new) const;
+    void * ros_message) const;
 };
 
 }  // namespace rmw_fastrtps_dynamic_cpp