Add a usage function

2019-02-23 19:33:54 -05:00 · 2019-02-23 19:33:54 -05:00 · aa7697833e
parent 7d38e2bf78
commit aa7697833e
1 changed files with 11 additions and 0 deletions
--- a/main.c
+++ b/main.c
@ -35,6 +35,12 @@ void blockHost(FILE *hostsFile, char *host)
    fputs(blockRule, hostsFile);
 }

+void usage()
+{
+    fprintf(stdout, "Usage: ");
+    fprintf(stdout, "hb [add] <sitename>\n");
+}
+
 /**
 * Entrypoint.
 */
@ -58,6 +64,11 @@ int main(int argc, char **argv)
        {
            fprintf(stdout, "Soon to be implemented!\n");
        }
+        else if (strcmp(argv[i], "-h") == 0)
+        {
+            usage();
+            exit(0);
+        }
    }

    if (hostsFile != NULL)