core: fix deprecated-copy warning in GCC 9

This fixes the warning that appeared with GCC 9: core/system_impl.cpp:877:73: error: implicitly-declared ‘dronecode_sdk::MAVLinkParameters::ParamValue::ParamValue(const dronecode_sdk::MAVLinkParameters::ParamValue&)’ is deprecated [-Werror=deprecated-copy]
mavlink · May 16, 2019 · 00ae76d · 00ae76d
1 parent 88c77e5
commit 00ae76d
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/core/mavlink_parameters.h b/core/mavlink_parameters.h
@@ -24,9 +24,15 @@ class MAVLinkParameters {
     public:
         typedef char custom_type_t[128];
 
-        ParamValue &operator=(ParamValue value)
+        ParamValue() {}
+
+        ParamValue(ParamValue &rhs) { _value = rhs._value; }
+
+        ParamValue(const ParamValue &rhs) { _value = rhs._value; }
+
+        ParamValue &operator=(ParamValue rhs)
         {
-            _value = value._value;
+            _value = rhs._value;
             return *this;
         }