--- fcrackzip/main.c	2008/08/04 07:09:51	1.1
+++ fcrackzip/main.c	2008/10/01 04:29:43	1.2
@@ -375,6 +375,12 @@
         break;
 
       case 'p':
+        if (strlen (optarg) > MAX_PW)
+          {
+            fprintf (stderr, "'%s' is too long: passwords longer than %d characters not supported\n", optarg, MAX_PW);
+            exit (1);
+          }
+
         strcpy (pw, optarg);
         break;