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