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Editing: list.h

/* $Id: list.h,v 1.6 2006/10/31 06:25:28 gmm Exp $ */
/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (C) 2005-2011 HighPoint Technologies, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD$
 */
#include <dev/hptnr/hptnr_config.h>
#ifndef _HPT_LIST_H_
#define _HPT_LIST_H_

#ifndef _LINUX_LIST_H

#ifndef HPT_INLINE
#define HPT_INLINE __inline
#endif

struct list_head {
	struct list_head *next, *prev;
};

#define INIT_LIST_HEAD(ptr) do { (ptr)->next = (ptr); (ptr)->prev = (ptr); } while (0)

static HPT_INLINE void __list_add(struct list_head * _new, struct list_head * prev, struct list_head * next)
{
	next->prev = _new;
	_new->next = next;
	_new->prev = prev;
	prev->next = _new;
}

static HPT_INLINE void list_add(struct list_head *_new, struct list_head *head)
{
	__list_add(_new, head, head->next);
}

static HPT_INLINE void list_add_tail(struct list_head *_new, struct list_head *head)
{
	__list_add(_new, head->prev, head);
}

static HPT_INLINE void __list_del(struct list_head * prev, struct list_head * next)
{
	next->prev = prev;
	prev->next = next;
}

static HPT_INLINE void list_del(struct list_head *entry)
{
	__list_del(entry->prev, entry->next);
}

static HPT_INLINE void list_del_init(struct list_head *entry)
{
	__list_del(entry->prev, entry->next);
	INIT_LIST_HEAD(entry); 
}

static HPT_INLINE int list_empty(struct list_head *head)
{
	HPT_ASSERT(!(head->next==head && head->prev!=head));
	return head->next == head;
}

static HPT_INLINE void __list_splice(struct list_head *list,
				 struct list_head *head)
{
	struct list_head *first = list->next;
	struct list_head *last = list->prev;
	struct list_head *at = head->next;

first->prev = head;
	head->next = first;

last->next = at;
	at->prev = last;
}

static HPT_INLINE void list_splice(struct list_head *list, struct list_head *head)
{
	if (!list_empty(list))
		__list_splice(list, head);
}

static HPT_INLINE void list_splice_init(struct list_head *list, struct list_head *head)
{
	if (!list_empty(list)) {
		__list_splice(list, head);
		INIT_LIST_HEAD(list);
	}
}

#define list_entry(ptr, type, member) \
	((type *)((char *)(ptr)-(HPT_UPTR)(&((type *)0)->member)))

#define list_for_each(pos, head) \
	for (pos = (head)->next; pos != (head); pos = pos->next)

#define list_for_each_safe(pos, n, head) \
	for (pos = (head)->next, n = pos->next; pos != (head); \
		pos = n, n = pos->next)

#define get_first_item(attached, type, member) \
	((type *)((char *)((attached)->next)-(HPT_UPTR)(&((type *)0)->member)))

#endif

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Editing: list.h

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