ospf6d: replace memcmp with correct comparisons

Using memcmp with complex structures like prefix or ospf6_ls_origin is
not correct, because even two structures with same values in all fields
may have different values in padding bytes and comparison will fail.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>

ospf6d/ospf6_route.h

@@ -291,14 +291,13 @@ extern const char *const ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX];
 #define OSPF6_ROUTE_PREFIX_STR  "Display the route\n"
 #define OSPF6_ROUTE_MATCH_STR   "Display the route matches the prefix\n"
 
-#define ospf6_route_is_prefix(p, r)                                            \
-	(memcmp(p, &(r)->prefix, sizeof(struct prefix)) == 0)
+#define ospf6_route_is_prefix(p, r) (prefix_same(p, &(r)->prefix))
 #define ospf6_route_is_same(ra, rb) (prefix_same(&(ra)->prefix, &(rb)->prefix))
 #define ospf6_route_is_same_origin(ra, rb)                                     \
 	((ra)->path.area_id == (rb)->path.area_id                              \
-	 && memcmp(&(ra)->path.origin, &(rb)->path.origin,                     \
-		   sizeof(struct ospf6_ls_origin))                             \
-		    == 0)
+	&& (ra)->path.origin.type == (rb)->path.origin.type                    \
+	&& (ra)->path.origin.id == (rb)->path.origin.id                        \
+	&& (ra)->path.origin.adv_router == (rb)->path.origin.adv_router)
 
 #define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST))