?? release_interface.c
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/* 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 release_interface(libusb_device_t *dev, int interface){ DEBUG_MESSAGE("release_interface(): interface %d", interface); if(!dev->config.value) { DEBUG_ERROR("release_interface(): device is not configured"); return STATUS_INVALID_DEVICE_STATE; } if(interface >= LIBUSB_MAX_NUMBER_OF_INTERFACES) { DEBUG_ERROR("release_interface(): interface number %d too high", interface); return STATUS_INVALID_PARAMETER; } if(!dev->config.interfaces[interface].valid) { DEBUG_ERROR("release_interface(): invalid interface %02d", interface); return STATUS_INVALID_PARAMETER; } if(!dev->config.interfaces[interface].claimed) { DEBUG_ERROR("claim_interface(): could not release interface %d, " "interface is not claimed", interface); return STATUS_INVALID_DEVICE_STATE; } dev->config.interfaces[interface].claimed = FALSE; return STATUS_SUCCESS;}NTSTATUS release_all_interfaces(libusb_device_t *dev){ int i; for(i = 0; i < LIBUSB_MAX_NUMBER_OF_INTERFACES; i++) { dev->config.interfaces[i].claimed = FALSE; } return STATUS_SUCCESS;}
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