/* crypto/pqueue/pqueue.h */

/* 

 * DTLS implementation written by Nagendra Modadugu

 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  

 */

/* ====================================================================

 * Copyright (c) 1999-2005 The OpenSSL Project.  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.

 *

 * 3. All advertising materials mentioning features or use of this

 *    software must display the following acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"

 *

 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to

 *    endorse or promote products derived from this software without

 *    prior written permission. For written permission, please contact

 *    openssl-core@OpenSSL.org.

 *

 * 5. Products derived from this software may not be called "OpenSSL"

 *    nor may "OpenSSL" appear in their names without prior written

 *    permission of the OpenSSL Project.

 *

 * 6. Redistributions of any form whatsoever must retain the following

 *    acknowledgment:

 *    "This product includes software developed by the OpenSSL Project

 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"

 *

 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY

 * EXPRESSED 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 OpenSSL PROJECT OR

 * ITS 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.

 * ====================================================================

 *

 * This product includes cryptographic software written by Eric Young

 * (eay@cryptsoft.com).  This product includes software written by Tim

 * Hudson (tjh@cryptsoft.com).

 *

 */

/*

 © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 */

#ifndef HEADER_PQUEUE_H

#define HEADER_PQUEUE_H

#if (defined(__SYMBIAN32__) && !defined(SYMBIAN))

#define SYMBIAN

#endif

#ifdef SYMBIAN

#include <e32def.h>

#endif

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <openssl/pq_compat.h>

typedef struct _pqueue *pqueue;

typedef struct _pitem

	{

	PQ_64BIT priority;

	void *data;

	struct _pitem *next;

	} pitem;

typedef struct _pitem *piterator;

IMPORT_C pitem *pitem_new(PQ_64BIT priority, void *data);

IMPORT_C void   pitem_free(pitem *item);

IMPORT_C pqueue pqueue_new(void);

IMPORT_C void   pqueue_free(pqueue pq);

IMPORT_C pitem *pqueue_insert(pqueue pq, pitem *item);

IMPORT_C pitem *pqueue_peek(pqueue pq);

IMPORT_C pitem *pqueue_pop(pqueue pq);

IMPORT_C pitem *pqueue_find(pqueue pq, PQ_64BIT priority);

IMPORT_C pitem *pqueue_iterator(pqueue pq);

IMPORT_C pitem *pqueue_next(piterator *iter);

IMPORT_C void   pqueue_print(pqueue pq);

#endif /* ! HEADER_PQUEUE_H */