60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* Internal header for libusb-compat-0.1
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* Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
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* Copyright (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __LIBUSB_USBI_H__
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#define __LIBUSB_USBI_H__
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/* Some quick and generic macros for the simple kind of lists we use */
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#define LIST_ADD(begin, ent) \
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do { \
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if (begin) { \
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ent->next = begin; \
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ent->next->prev = ent; \
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} else \
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ent->next = NULL; \
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ent->prev = NULL; \
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begin = ent; \
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} while(0)
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#define LIST_DEL(begin, ent) \
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do { \
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if (ent->prev) \
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ent->prev->next = ent->next; \
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else \
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begin = ent->next; \
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if (ent->next) \
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ent->next->prev = ent->prev; \
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ent->prev = NULL; \
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ent->next = NULL; \
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} while (0)
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struct usb_dev_handle {
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libusb_device_handle *handle;
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struct usb_device *device;
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/* libusb-0.1 is buggy w.r.t. interface claiming. it allows you to claim
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* multiple interfaces but only tracks the most recently claimed one,
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* which is used for usb_set_altinterface(). we clone the buggy behaviour
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* here. */
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int last_claimed_interface;
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};
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#endif
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