Avoid some bloat
authorSteven Barth <steven@midlink.org>
Tue, 18 Feb 2014 08:36:29 +0000 (09:36 +0100)
committerSteven Barth <steven@midlink.org>
Tue, 18 Feb 2014 08:36:29 +0000 (09:36 +0100)
src/router.c

index 907011aa29d83ad4835796d7d6eea3fed83d3906..7a79119baff24f4ccae9f0dea3abf47d0d7ab10c 100644 (file)
@@ -186,20 +186,6 @@ static void handle_icmpv6(void *addr, void *data, size_t len,
 }
 
 
-static bool match_route(const struct odhcpd_ipaddr *n, const struct in6_addr *addr)
-{
-       if (n->prefix <= 32)
-               return ntohl(n->addr.s6_addr32[0]) >> (32 - n->prefix) ==
-                               ntohl(addr->s6_addr32[0]) >> (32 - n->prefix);
-
-       if (n->addr.s6_addr32[0] != addr->s6_addr32[0])
-               return false;
-
-       return ntohl(n->addr.s6_addr32[1]) >> (64 - n->prefix) ==
-                       ntohl(addr->s6_addr32[1]) >> (64 - n->prefix);
-}
-
-
 // Detect whether a default route exists, also find the source prefixes
 static bool parse_routes(struct odhcpd_ipaddr *n, ssize_t len)
 {
@@ -224,7 +210,7 @@ static bool parse_routes(struct odhcpd_ipaddr *n, ssize_t len)
 
                        for (ssize_t i = 0; i < len; ++i) {
                                if (n[i].prefix <= 64 && n[i].prefix >= p.prefix &&
-                                               match_route(&p, &n[i].addr)) {
+                                               !odhcpd_bmemcmp(&p.addr, &n[i].addr, p.prefix)) {
                                        n[i].prefix = p.prefix;
                                        break;
                                }