zebra, libs: use const prefix ptrs in apis

Add 'const' to prefix args to several zebra route update,
redistribution, and route owner notification apis.

Signed-off-by: Mark Stapp <mjs@voltanet.io>

1 files changed, 17 insertions, 16 deletions

diff --git a/lib/srcdest_table.c b/lib/srcdest_table.c
index a70574cff2..32f8e8ca5b 100644
--- a/lib/srcdest_table.c
+++ b/lib/srcdest_table.c
@@ -127,7 +127,7 @@ route_table_delegate_t _srcdest_srcnode_delegate = {
 
 /* NB: read comments in code for refcounting before using! */
 static struct route_node *srcdest_srcnode_get(struct route_node *rn,
-					      struct prefix_ipv6 *src_p)
+					      const struct prefix_ipv6 *src_p)
 {
 	struct srcdest_rnode *srn;
 
@@ -158,11 +158,12 @@ static struct route_node *srcdest_srcnode_get(struct route_node *rn,
 		route_unlock_node(rn);
 	}
 
-	return route_node_get(srn->src_table, (struct prefix *)src_p);
+	return route_node_get(srn->src_table, (const struct prefix *)src_p);
 }
 
-static struct route_node *srcdest_srcnode_lookup(struct route_node *rn,
-						 struct prefix_ipv6 *src_p)
+static struct route_node *srcdest_srcnode_lookup(
+	struct route_node *rn,
+	const struct prefix_ipv6 *src_p)
 {
 	struct srcdest_rnode *srn;
 
@@ -180,7 +181,7 @@ static struct route_node *srcdest_srcnode_lookup(struct route_node *rn,
 	if (!srn->src_table)
 		return NULL;
 
-	return route_node_lookup(srn->src_table, (struct prefix *)src_p);
+	return route_node_lookup(srn->src_table, (const struct prefix *)src_p);
 }
 
 /* ----- exported functions ----- */
@@ -233,25 +234,25 @@ struct route_node *srcdest_route_next(struct route_node *rn)
 }
 
 struct route_node *srcdest_rnode_get(struct route_table *table,
-				     union prefixptr dst_pu,
-				     struct prefix_ipv6 *src_p)
+				     union prefixconstptr dst_pu,
+				     const struct prefix_ipv6 *src_p)
 {
-	struct prefix_ipv6 *dst_p = dst_pu.p6;
+	const struct prefix_ipv6 *dst_p = dst_pu.p6;
 	struct route_node *rn;
 
-	rn = route_node_get(table, (struct prefix *)dst_p);
+	rn = route_node_get(table, (const struct prefix *)dst_p);
 	return srcdest_srcnode_get(rn, src_p);
 }
 
 struct route_node *srcdest_rnode_lookup(struct route_table *table,
-					union prefixptr dst_pu,
-					struct prefix_ipv6 *src_p)
+					union prefixconstptr dst_pu,
+					const struct prefix_ipv6 *src_p)
 {
-	struct prefix_ipv6 *dst_p = dst_pu.p6;
+	const struct prefix_ipv6 *dst_p = dst_pu.p6;
 	struct route_node *rn;
 	struct route_node *srn;
 
-	rn = route_node_lookup_maynull(table, (struct prefix *)dst_p);
+	rn = route_node_lookup_maynull(table, (const struct prefix *)dst_p);
 	srn = srcdest_srcnode_lookup(rn, src_p);
 
 	if (rn != NULL && rn == srn && !rn->info) {
@@ -263,8 +264,8 @@ struct route_node *srcdest_rnode_lookup(struct route_table *table,
 	return srn;
 }
 
-void srcdest_rnode_prefixes(struct route_node *rn, struct prefix **p,
-			    struct prefix **src_p)
+void srcdest_rnode_prefixes(struct route_node *rn, const struct prefix **p,
+			    const struct prefix **src_p)
 {
 	if (rnode_is_srcnode(rn)) {
 		struct route_node *dst_rn = rn->table->info;
@@ -282,7 +283,7 @@ void srcdest_rnode_prefixes(struct route_node *rn, struct prefix **p,
 
 const char *srcdest_rnode2str(struct route_node *rn, char *str, int size)
 {
-	struct prefix *dst_p, *src_p;
+	const struct prefix *dst_p, *src_p;
 	char dst_buf[PREFIX_STRLEN], src_buf[PREFIX_STRLEN];
 
 	srcdest_rnode_prefixes(rn, &dst_p, &src_p);