Handling unknown actions

diff --git a/bti.c b/bti.c
index 8243ad7..cd9d94c 100644 (file)
--- a/bti.c
+++ b/bti.c
@@ -55,7 +55,8 @@ enum action {
        ACTION_FRIENDS = 1,
        ACTION_USER = 2,
        ACTION_REPLIES = 4,
-       ACTION_PUBLIC = 8
+       ACTION_PUBLIC = 8,
+       ACTION_UNKNOWN = 16
 };
 
 struct session {
@@ -383,6 +384,8 @@ static int send_request(struct session *session)
                        break;
                }
 
+               break;
+       default:
                break;
        }
 
@@ -513,14 +516,16 @@ static void parse_configfile(struct session *session)
        if (action) {
                if (strcasecmp(action, "update") == 0)
                        session->action = ACTION_UPDATE;
-               if (strcasecmp(action, "friends") == 0)
+               else if (strcasecmp(action, "friends") == 0)
                        session->action = ACTION_FRIENDS;
-               if (strcasecmp(action, "user") == 0)
+               else if (strcasecmp(action, "user") == 0)
                        session->action = ACTION_USER;
-               if (strcasecmp(action, "replies") == 0)
+               else if (strcasecmp(action, "replies") == 0)
                        session->action = ACTION_REPLIES;
-               if (strcasecmp(action, "public") == 0)
+               else if (strcasecmp(action, "public") == 0)
                        session->action = ACTION_PUBLIC;
+               else
+                       session->action = ACTION_UNKNOWN;
                free(action);
        }
        if (user) {
@@ -587,6 +592,8 @@ static void log_session(struct session *session, int retval)
                fprintf(log_file, "%s: host=%s retrieving public timeline\n",
                        session->time, host);
                break;
+       default:
+               break;
        }
 
        fclose(log_file);
@@ -676,14 +683,16 @@ int main(int argc, char *argv[], char *envp[])
                case 'A':
                        if (strcasecmp(optarg, "update") == 0)
                                session->action = ACTION_UPDATE;
-                       if (strcasecmp(optarg, "friends") == 0)
+                       else if (strcasecmp(optarg, "friends") == 0)
                                session->action = ACTION_FRIENDS;
-                       if (strcasecmp(optarg, "user") == 0)
+                       else if (strcasecmp(optarg, "user") == 0)
                                session->action = ACTION_USER;
-                       if (strcasecmp(optarg, "replies") == 0)
+                       else if (strcasecmp(optarg, "replies") == 0)
                                session->action = ACTION_REPLIES;
-                       if (strcasecmp(optarg, "public") == 0)
+                       else if (strcasecmp(optarg, "public") == 0)
                                session->action = ACTION_PUBLIC;
+                       else
+                               session->action = ACTION_UNKNOWN;
                        dbg("action = %d\n", session->action);
                        break;
                case 'u':
@@ -720,6 +729,12 @@ int main(int argc, char *argv[], char *envp[])
                }
        }
 
+       if (session->action == ACTION_UNKNOWN) {
+               fprintf(stderr, "Unknown action, valid actions are:\n");
+               fprintf(stderr, "'update', 'friends', 'public', 'replies' or 'user'.\n");
+               goto exit;
+       }
+
        if (!session->account) {
                fprintf(stdout, "Enter twitter account: ");
                session->account = readline(NULL);