route table: constify some APIs

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit 3293bc280f15d8e3c04e0bf9b0a8d54d342a87a9)
This commit is contained in:
Timo Teräs 2015-05-22 13:41:01 +03:00 committed by Daniel Walton
parent 95e0999cc5
commit d3830f1fa4
2 changed files with 8 additions and 8 deletions

View File

@ -59,7 +59,7 @@ route_node_new (struct route_table *table)
/* Allocate new route node with prefix set. */
static struct route_node *
route_node_set (struct route_table *table, struct prefix *prefix)
route_node_set (struct route_table *table, const struct prefix *prefix)
{
struct route_node *node;
@ -141,14 +141,14 @@ static const u_char maskbit[] =
/* Common prefix route genaration. */
static void
route_common (struct prefix *n, struct prefix *p, struct prefix *new)
route_common (const struct prefix *n, const struct prefix *p, struct prefix *new)
{
int i;
u_char diff;
u_char mask;
u_char *np = (u_char *)&n->u.prefix;
u_char *pp = (u_char *)&p->u.prefix;
const u_char *np = (const u_char *)&n->u.prefix;
const u_char *pp = (const u_char *)&p->u.prefix;
u_char *newp = (u_char *)&new->u.prefix;
for (i = 0; i < p->prefixlen / 8; i++)
@ -265,7 +265,7 @@ route_node_match_ipv6 (const struct route_table *table,
/* Lookup same prefix node. Return NULL when we can't find route. */
struct route_node *
route_node_lookup (const struct route_table *table, struct prefix *p)
route_node_lookup (const struct route_table *table, const struct prefix *p)
{
struct route_node *node;
u_char prefixlen = p->prefixlen;
@ -287,7 +287,7 @@ route_node_lookup (const struct route_table *table, struct prefix *p)
/* Add node to routing table. */
struct route_node *
route_node_get (struct route_table *const table, struct prefix *p)
route_node_get (struct route_table *const table, const struct prefix *p)
{
struct route_node *new;
struct route_node *node;

View File

@ -148,9 +148,9 @@ extern struct route_node *route_next (struct route_node *);
extern struct route_node *route_next_until (struct route_node *,
struct route_node *);
extern struct route_node *route_node_get (struct route_table *const,
struct prefix *);
const struct prefix *);
extern struct route_node *route_node_lookup (const struct route_table *,
struct prefix *);
const struct prefix *);
extern struct route_node *route_lock_node (struct route_node *node);
extern struct route_node *route_node_match (const struct route_table *,
const struct prefix *);