Merge branch 'pr/6'

diff --combined src/oping.c
index 883c86227c6713f33247548136ee3d81c899aefa,0ec67947310e7b73d5d8ae1cb8afbf016bdc0577..0cfe64672065c0a99dd3a1d2e9ca8bc9bd5763ce
--- 1/src/oping.c
--- 2/src/oping.c
+++ b/src/oping.c
@@@ -209,6 -209,7 +209,7 @@@ static int     opt_show_graph = 1
  static int     opt_utf8       = 0;
  #endif
  static char   *opt_outfile    = NULL;
+ static int     opt_bell       = 0;
  
  static int host_num  = 0;
  static FILE *outfile = NULL;
@@@ -652,7 -653,7 +653,7 @@@ static int read_options (int argc, cha
  
        while (1)
        {
-               optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:Z:O:P:m:w:"
+               optchar = getopt (argc, argv, "46c:hi:I:t:Q:f:D:Z:O:P:m:w:b"
  #if USE_NCURSES
                                "uUg:"
  #endif
@@@ -754,7 -755,6 +755,7 @@@
                                        free (opt_outfile);
                                        opt_outfile = strdup (optarg);
                                }
 +                              break;
  
                        case 'P':
                                {
@@@ -791,6 -791,9 +792,9 @@@
                                opt_utf8 = 1;
                                break;
  #endif
+                       case 'b':
+                               opt_bell = 1;
+                               break;
  
                        case 'Z':
                        {
@@@ -1576,6 -1579,13 +1580,13 @@@ static void update_host_hook (pingobj_i
  #if USE_NCURSES
                }
  #endif
+                 if (opt_bell) {
+ #if USE_NCURSES
+                       beep();
+ #else
+                       HOST_PRINTF ("\a");
+ #endif
+                 }
        }
        else /* if (!(latency > 0.0)) */
        {