1 files changed, 21 insertions, 12 deletions

diff --git a/networking/libiproute/rtm_map.c b/networking/libiproute/rtm_map.c
index 7fad0ecc8..593017bf1 100644
--- a/networking/libiproute/rtm_map.c
+++ b/networking/libiproute/rtm_map.c
@@ -51,31 +51,40 @@ const char *rtnl_rtntype_n2a(int id, char *buf, int len)
 
 int rtnl_rtntype_a2n(int *id, char *arg)
 {
+        static const char * const keywords[] = {
+                "local", "nat", "broadcast", "brd", "anycast",
+                "multicast", "prohibit", "unreachable", "blackhole",
+                "xresolve", "unicast", "throw", NULL
+        };
+        enum { ARG_local = 1, ARG_nat, ARG_broadcast, ARG_brd, ARG_anycast,
+                ARG_multicast, ARG_prohibit, ARG_unreachable, ARG_blackhole,
+                ARG_xresolve, ARG_unicast, ARG_throw
+        };
+        const smalluint key = index_in_substr_array(keywords, arg) + 1;
         char *end;
         unsigned long res;
 
-        if (strcmp(arg, "local") == 0)
+        if (key == ARG_local)
                 res = RTN_LOCAL;
-        else if (strcmp(arg, "nat") == 0)
+        else if (key == ARG_nat)
                 res = RTN_NAT;
-        else if (matches(arg, "broadcast") == 0 ||
-                 strcmp(arg, "brd") == 0)
+        else if (key == ARG_broadcast || key == ARG_brd)
                 res = RTN_BROADCAST;
-        else if (matches(arg, "anycast") == 0)
+        else if (key == ARG_anycast)
                 res = RTN_ANYCAST;
-        else if (matches(arg, "multicast") == 0)
+        else if (key == ARG_multicast)
                 res = RTN_MULTICAST;
-        else if (matches(arg, "prohibit") == 0)
+        else if (key == ARG_prohibit)
                 res = RTN_PROHIBIT;
-        else if (matches(arg, "unreachable") == 0)
+        else if (key == ARG_unreachable)
                 res = RTN_UNREACHABLE;
-        else if (matches(arg, "blackhole") == 0)
+        else if (key == ARG_blackhole)
                 res = RTN_BLACKHOLE;
-        else if (matches(arg, "xresolve") == 0)
+        else if (key == ARG_xresolve)
                 res = RTN_XRESOLVE;
-        else if (matches(arg, "unicast") == 0)
+        else if (key == ARG_unicast)
                 res = RTN_UNICAST;
-        else if (strcmp(arg, "throw") == 0)
+        else if (key == ARG_throw)
                 res = RTN_THROW;
         else {
                 res = strtoul(arg, &end, 0);