There is no warnings here any more.
diff --git a/ripd/rip_routemap.c b/ripd/rip_routemap.c
index 45a45f4..ffe1317 100644
--- a/ripd/rip_routemap.c
+++ b/ripd/rip_routemap.c
@@ -47,7 +47,7 @@
/* Add rip route map rule. */
int
rip_route_match_add (struct vty *vty, struct route_map_index *index,
- char *command, char *arg)
+ const char *command, char *arg)
{
int ret;
@@ -70,7 +70,7 @@
/* Delete rip route map rule. */
int
rip_route_match_delete (struct vty *vty, struct route_map_index *index,
- char *command, char *arg)
+ const char *command, char *arg)
{
int ret;
@@ -93,7 +93,7 @@
/* Add rip route map rule. */
int
rip_route_set_add (struct vty *vty, struct route_map_index *index,
- char *command, char *arg)
+ const char *command, char *arg)
{
int ret;
@@ -116,7 +116,7 @@
/* Delete rip route map rule. */
int
rip_route_set_delete (struct vty *vty, struct route_map_index *index,
- char *command, char *arg)
+ const char *command, char *arg)
{
int ret;