Make smbclient to display error message and usage in the case of invalid options.

diff --git a/source/client/client.c b/source/client/client.c
index d59af9e6cfb833bb2ff2504e8d8c76574b266187..e1d67d783bdf4e6d6c6d26b784e8cc4aff02b75d 100644 (file)
--- a/source/client/client.c
+++ b/source/client/client.c
@@ -4654,6 +4654,11 @@ static int do_message_op(void)
                case 'g':
                        grepable=true;
                        break;
+               default:
+                       d_fprintf(stderr, "\nInvalid option %s: %s\n\n",
+                                 poptBadOption(pc, 0), poptStrerror(opt));
+                       poptPrintUsage(pc, stderr, 0);
+                       exit(1);
                }
        }