* examples/fadot.c: accept -h option to print usage

hercules-team · Aug 8, 2011 · 93e9ada · 93e9ada
1 parent ead3e5c
commit 93e9ada
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/examples/fadot.c b/examples/fadot.c
@@ -66,7 +66,7 @@ int main (int argc, char **argv) {
 
   progname = argv[0];
 
-  while ((c = getopt (argc, argv, "nf:o:")) != -1)
+  while ((c = getopt (argc, argv, "nhf:o:")) != -1)
     switch (c)
       {
       case 'n':
@@ -75,6 +75,9 @@ int main (int argc, char **argv) {
       case 'f':
         file_output = optarg;
         break;
+      case 'h':
+        usage();
+        break;
       case 'o':
         operation = optarg;
         break;