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/* LIBUSB-WIN32, Generic Windows USB Library
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* Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "libusb_driver.h"
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NTSTATUS get_configuration(libusb_device_t *dev,
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unsigned char *configuration, int *ret,
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NTSTATUS status = STATUS_SUCCESS;
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DEBUG_MESSAGE("get_configuration(): timeout %d", timeout);
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memset(&urb, 0, sizeof(URB));
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urb.UrbHeader.Function = URB_FUNCTION_GET_CONFIGURATION;
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urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_CONFIGURATION_REQUEST);
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urb.UrbControlGetConfigurationRequest.TransferBufferLength = 1;
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urb.UrbControlGetConfigurationRequest.TransferBuffer = configuration;
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status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);
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if(!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))
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DEBUG_ERROR("get_configuration(): getting configuration failed: "
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"status: 0x%x, urb-status: 0x%x",
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status, urb.UrbHeader.Status);
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DEBUG_MESSAGE("get_configuration(): current configuration is: %d",
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*ret = urb.UrbControlGetConfigurationRequest.TransferBufferLength;