More ownership work.

src/url.hh

@@ -112,6 +112,8 @@ struct DilloUrl {
    int illegal_chars_spc;         /**< number of illegal space chars */
 
    ~DilloUrl();
+
+   friend bool operator == ( const DilloUrl &lhs, const DilloUrl &rhs );
 };
 
 
@@ -121,6 +123,12 @@ char *a_Url_str(const DilloUrl *url);
 const char *a_Url_hostname(const DilloUrl *u);
 std::unique_ptr< DilloUrl > a_Url_dup(const DilloUrl *u);
 int a_Url_cmp(const DilloUrl *A, const DilloUrl *B);
+
+inline bool
+operator == ( const DilloUrl &lhs, const DilloUrl &rhs )
+{
+   return a_Url_cmp( &lhs, &rhs ) == 0;
+}
 void a_Url_set_flags(DilloUrl *u, int flags);
 void a_Url_set_data(DilloUrl *u, std::string_view data);
 void a_Url_set_ismap_coords(DilloUrl *u, char *coord_str);