treewide: use RELAYD_MAX_ADDRS as address array size

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

3 files changed, 5 insertions, 4 deletions

diff --git a/src/ndp.c b/src/ndp.c
index f9e0405..7cabc5e 100644
--- a/src/ndp.c
+++ b/src/ndp.c
@@ -291,9 +291,9 @@ static int prefixcmp(const void *va, const void *vb)
 // Check address update
 static void check_updates(struct interface *iface)
 {
-	struct odhcpd_ipaddr addr[8] = {{IN6ADDR_ANY_INIT, 0, 0, 0, 0}};
+	struct odhcpd_ipaddr addr[RELAYD_MAX_ADDRS] = {{IN6ADDR_ANY_INIT, 0, 0, 0, 0}};
 	time_t now = odhcpd_time();
-	ssize_t len = odhcpd_get_interface_addresses(iface->ifindex, addr, 8);
+	ssize_t len = odhcpd_get_interface_addresses(iface->ifindex, addr, ARRAY_SIZE(addr));
 
 	if (len < 0)
 		return;
diff --git a/src/odhcpd.h b/src/odhcpd.h
index 0e5868c..cbeaaf8 100644
--- a/src/odhcpd.h
+++ b/src/odhcpd.h
@@ -43,6 +43,7 @@
 
 #define RELAYD_BUFFER_SIZE 8192
 #define RELAYD_MAX_PREFIXES 8
+#define RELAYD_MAX_ADDRS 8
 
 #define INFINITE_VALID(x) ((x) == 0)
 
@@ -118,7 +119,7 @@ struct interface {
 	// Runtime data
 	struct uloop_timeout timer_rs;
 	struct list_head ia_assignments;
-	struct odhcpd_ipaddr ia_addr[8];
+	struct odhcpd_ipaddr ia_addr[RELAYD_MAX_ADDRS];
 	size_t ia_addr_len;
 	bool ia_reconf;
 
diff --git a/src/router.c b/src/router.c
index f964a82..bc22829 100644
--- a/src/router.c
+++ b/src/router.c
@@ -247,7 +247,7 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add
 	odhcpd_get_mac(iface, adv.lladdr.data);
 
 	// If not currently shutting down
-	struct odhcpd_ipaddr addrs[8];
+	struct odhcpd_ipaddr addrs[RELAYD_MAX_ADDRS];
 	ssize_t ipcnt = 0;
 	int64_t minvalid = INT64_MAX;