1 files changed, 24 insertions, 11 deletions

diff --git a/networking/libiproute/ip_parse_common_args.c b/networking/libiproute/ip_parse_common_args.c
index cea5b4753..3606d3877 100644
--- a/networking/libiproute/ip_parse_common_args.c
+++ b/networking/libiproute/ip_parse_common_args.c
@@ -26,6 +26,20 @@ void ip_parse_common_args(int *argcp, char ***argvp)
 {
         int argc = *argcp;
         char **argv = *argvp;
+        static const char * const ip_common_commands[] =
+                {"-family", "inet", "inet6", "link",
+                 "-4", "-6", "-0", "-oneline", 0};
+        enum {
+                ARG_family,
+                ARG_inet,
+                ARG_inet6,
+                ARG_link,
+                ARG_IPv4,
+                ARG_IPv6,
+                ARG_packet,
+                ARG_oneline
+        };
+        smalluint arg;
 
         while (argc > 1) {
                 char *opt = argv[1];
@@ -35,33 +49,32 @@ void ip_parse_common_args(int *argcp, char ***argvp)
                         argv++;
                         break;
                 }
-
                 if (opt[0] != '-')
                         break;
-
                 if (opt[1] == '-')
                         opt++;
-
-                if (matches(opt, "-family") == 0) {
+                arg = index_in_str_array(ip_common_commands, opt) + 1;
+                if (arg == ARG_family) {
                         argc--;
                         argv++;
                         if (!argv[1])
                                 bb_show_usage();
-                        if (strcmp(argv[1], "inet") == 0)
+                        arg = index_in_str_array(ip_common_commands, argv[1]) + 1;
+                        if (arg == ARG_inet)
                                 preferred_family = AF_INET;
-                        else if (strcmp(argv[1], "inet6") == 0)
+                        else if (arg == ARG_inet6)
                                 preferred_family = AF_INET6;
-                        else if (strcmp(argv[1], "link") == 0)
+                        else if (arg == ARG_link)
                                 preferred_family = AF_PACKET;
                         else
                                 invarg(argv[1], "protocol family");
-                } else if (strcmp(opt, "-4") == 0) {
+                } else if (arg == ARG_IPv4) {
                         preferred_family = AF_INET;
-                } else if (strcmp(opt, "-6") == 0) {
+                } else if (arg == ARG_IPv6) {
                         preferred_family = AF_INET6;
-                } else if (strcmp(opt, "-0") == 0) {
+                } else if (arg == ARG_packet) {
                         preferred_family = AF_PACKET;
-                } else if (matches(opt, "-oneline") == 0) {
+                } else if (arg == ARG_oneline) {
                         ++oneline;
                 } else {
                         bb_show_usage();