/* LIBUSB-WIN32, Generic Windows USB Library * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#include "libusb_driver.h"NTSTATUS get_status(libusb_device_t *dev, int recipient,                    int index, char *status, int *ret, int timeout){  NTSTATUS _status = STATUS_SUCCESS;  URB urb;  DEBUG_PRINT_NL();  DEBUG_MESSAGE("get_status(): recipient %02d", recipient);  DEBUG_MESSAGE("get_status(): index %04d", index);  DEBUG_MESSAGE("get_status(): timeout %d", timeout);  memset(&urb, 0, sizeof(URB));  switch(recipient)    {    case USB_RECIP_DEVICE:      urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_DEVICE;      break;    case USB_RECIP_INTERFACE:      urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_INTERFACE;      break;    case USB_RECIP_ENDPOINT:      urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_ENDPOINT;      break;    case USB_RECIP_OTHER:      urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_OTHER;      break;    default:      DEBUG_ERROR("get_status(): invalid recipient");      return STATUS_INVALID_PARAMETER;    }  urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_STATUS_REQUEST);  urb.UrbControlGetStatusRequest.TransferBufferLength = 2;  urb.UrbControlGetStatusRequest.TransferBuffer = status;   urb.UrbControlGetStatusRequest.Index = (USHORT)index; 	  _status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);        if(!NT_SUCCESS(_status) || !USBD_SUCCESS(urb.UrbHeader.Status))    {      DEBUG_ERROR("get_status(): getting status failed: "                   "status: 0x%x, urb-status: 0x%x",                    _status, urb.UrbHeader.Status);      *ret = 0;    }  else    {      *ret = urb.UrbControlGetStatusRequest.TransferBufferLength;    }  return _status;}