Re: [Libusb-devel] LIBUSB_ERROR_NOT_SUPPORTED

[Peter S. <pe...@st...>]

Xiaofan Chen wrote:
> On Thu, Apr 5, 2012 at 9:34 AM, Quân Phạm Minh <qua...@gm...> wrote:
> > please view my source code:
..
> >     for(ssize_t i = 0; i < k; i++){
> >         libusb_device_handle *handler;
> >         int er = libusb_open(devs[i], &handler);
> >         switch(er){
> >             case 0:
> >                 qDebug() <<"device opened";
> >                 break;
> >             case LIBUSB_ERROR_NO_MEM:
> >                 qDebug() <<"memory allocation failure";

I suggest to replace the entire switch() with perhaps:

qDebug() << er ? libusb_error_name(er) : "device opened";


//Peter