src/oping.c: Exit successfully when using the -h option.

[liboping.git] / src / oping.c

diff --git a/src/oping.c b/src/oping.c
index 0ef6ec6..a1dbade 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -107,7 +107,7 @@ static void context_destroy (ping_context_t *context)
        free (context);
 }
 
-static void usage_exit (const char *name)
+static void usage_exit (const char *name, int status)
 {
        int name_length;
 
@@ -128,7 +128,7 @@ static void usage_exit (const char *name)
                        "by Florian octo Forster <octo@verplant.org>\n"
                        "for contributions see `AUTHORS'\n",
                        name);
-       exit (1);
+       exit (status);
 }
 
 static int read_options (int argc, char **argv)
@@ -201,8 +201,10 @@ static int read_options (int argc, char **argv)
                        }
 
                        case 'h':
+                               usage_exit (argv[0], 0);
+                               break;
                        default:
-                               usage_exit (argv[0]);
+                               usage_exit (argv[0], 1);
                }
        }
 
@@ -329,7 +331,7 @@ int main (int argc, char **argv)
        optind = read_options (argc, argv);
 
        if ((optind >= argc) && (opt_filename == NULL)) {
-               usage_exit (argv[0]);
+               usage_exit (argv[0], 1);
        }
 
        if (geteuid () != 0)