split out per-command help

diff --git a/iw.c b/iw.c
index 94d33501148f002ead187e309694aad75a6473d5..affa0d49e9789dd1a020944fe7021791b149fc56 100644 (file)
--- a/iw.c
+++ b/iw.c
@@ -99,6 +99,27 @@ __COMMAND(NULL, NULL, "", NULL, 1, 0, 0, CIB_NONE, NULL);
 
 static int cmd_size;
 
+static void usage_cmd(struct cmd *cmd)
+{
+       switch (cmd->idby) {
+       case CIB_NONE:
+               fprintf(stderr, "\t");
+               break;
+       case CIB_PHY:
+               fprintf(stderr, "\tphy <phyname> ");
+               break;
+       case CIB_NETDEV:
+               fprintf(stderr, "\tdev <devname> ");
+               break;
+       }
+       if (cmd->section)
+               fprintf(stderr, "%s ", cmd->section);
+       fprintf(stderr, "%s", cmd->name);
+       if (cmd->args)
+               fprintf(stderr, " %s", cmd->args);
+       fprintf(stderr, "\n");
+}
+
 static void usage(const char *argv0)
 {
        struct cmd *cmd;
@@ -114,23 +135,7 @@ static void usage(const char *argv0)
             cmd = (struct cmd *)((char *)cmd + cmd_size)) {
                if (!cmd->handler || cmd->hidden)
                        continue;
-               switch (cmd->idby) {
-               case CIB_NONE:
-                       fprintf(stderr, "\t");
-                       break;
-               case CIB_PHY:
-                       fprintf(stderr, "\tphy <phyname> ");
-                       break;
-               case CIB_NETDEV:
-                       fprintf(stderr, "\tdev <devname> ");
-                       break;
-               }
-               if (cmd->section)
-                       fprintf(stderr, "%s ", cmd->section);
-               fprintf(stderr, "%s", cmd->name);
-               if (cmd->args)
-                       fprintf(stderr, " %s", cmd->args);
-               fprintf(stderr, "\n");
+               usage_cmd(cmd);
        }
 }