int
_sync_gen_transfer(struct usbi_transfer *itransfer)
{
struct libusb_transfer *transfer;
int fd, nr = 1;
transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
if ((fd = _access_endpoint(transfer)) < 0)
return _errno_to_libusb(errno);
if ((ioctl(fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
return _errno_to_libusb(errno);
if (IS_XFERIN(transfer)) {
if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
if ((ioctl(fd, USB_SET_SHORT_XFER, &nr)) < 0)
return _errno_to_libusb(errno);
nr = read(fd, transfer->buffer, transfer->length);
} else {
nr = write(fd, transfer->buffer, transfer->length);
}
if (nr < 0)
return _errno_to_libusb(errno);
itransfer->transferred = nr;
return (0);
}
int
_sync_gen_transfer(struct usbi_transfer *itransfer)
{
struct libusb_transfer *transfer;
struct device_priv *dpriv;
int fd, nr = 1;
transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
dpriv = (struct device_priv *)transfer->dev_handle->dev->os_priv;
if (dpriv->devname == NULL)
return (LIBUSB_ERROR_NOT_SUPPORTED);
/*
* Bulk, Interrupt or Isochronous transfer depends on the
* endpoint and thus the node to open.
*/
if ((fd = _access_endpoint(transfer)) < 0)
return _errno_to_libusb(errno);
if ((ioctl(fd, USB_SET_TIMEOUT, &transfer->timeout)) < 0)
return _errno_to_libusb(errno);
if (IS_XFERIN(transfer)) {
if ((transfer->flags & LIBUSB_TRANSFER_SHORT_NOT_OK) == 0)
if ((ioctl(fd, USB_SET_SHORT_XFER, &nr)) < 0)
return _errno_to_libusb(errno);
nr = read(fd, transfer->buffer, transfer->length);
} else {
nr = write(fd, transfer->buffer, transfer->length);
}
if (nr < 0)
return _errno_to_libusb(errno);
itransfer->transferred = nr;
return (0);
}
