Don't crash if the 'o' option of ControlPlayback is used without any value.
[asterisk/asterisk.git] / apps / app_controlplayback.c
index edf10a1..80df592 100644 (file)
@@ -124,7 +124,7 @@ static int controlplayback_exec(struct ast_channel *chan, void *data)
 
        if (args.options) {
                ast_app_parse_options(cpb_opts, &opts, opt_args, args.options);         
-               if (ast_test_flag(&opts, OPT_OFFSET))
+               if (ast_test_flag(&opts, OPT_OFFSET) && !ast_strlen_zero(opt_args[OPT_ARG_OFFSET]))
                        offsetms = atol(opt_args[OPT_ARG_OFFSET]);
        }