To keep it more logical, rename the unsigned variable in the code.
int arg_type;
dbus_bool_t b;
unsigned char c;
int arg_type;
dbus_bool_t b;
unsigned char c;
+ dbus_uint32_t u;
+ dbus_int32_t i;
case DBUS_TYPE_UINT16:
case DBUS_TYPE_UINT32:
case DBUS_TYPE_UINT16:
case DBUS_TYPE_UINT32:
+ dbus_message_iter_get_basic(iter, &u);
+ fprintf(stdout, "%d", u);
+ break;
+
+ case DBUS_TYPE_INT32:
dbus_message_iter_get_basic(iter, &i);
fprintf(stdout, "%d", i);
break;
dbus_message_iter_get_basic(iter, &i);
fprintf(stdout, "%d", i);
break;