1 pqueue.h

     1 /* crypto/pqueue/pqueue.h */

     2 /* 

     3  * DTLS implementation written by Nagendra Modadugu

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

     5  */

     6 /* ====================================================================

     7  * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.

     8  *

     9  * Redistribution and use in source and binary forms, with or without

    10  * modification, are permitted provided that the following conditions

    11  * are met:

    12  *

    13  * 1. Redistributions of source code must retain the above copyright

    14  *    notice, this list of conditions and the following disclaimer. 

    15  *

    16  * 2. Redistributions in binary form must reproduce the above copyright

    17  *    notice, this list of conditions and the following disclaimer in

    18  *    the documentation and/or other materials provided with the

    19  *    distribution.

    20  *

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

    22  *    software must display the following acknowledgment:

    23  *    "This product includes software developed by the OpenSSL Project

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

    25  *

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

    27  *    endorse or promote products derived from this software without

    28  *    prior written permission. For written permission, please contact

    29  *    openssl-core@OpenSSL.org.

    30  *

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

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

    33  *    permission of the OpenSSL Project.

    34  *

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

    36  *    acknowledgment:

    37  *    "This product includes software developed by the OpenSSL Project

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

    39  *

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

    41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR

    44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

    46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

    51  * OF THE POSSIBILITY OF SUCH DAMAGE.

    52  * ====================================================================

    53  *

    54  * This product includes cryptographic software written by Eric Young

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

    56  * Hudson (tjh@cryptsoft.com).

    57  *

    58  */

    59 /*

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

    61  */

    62 

    63 #ifndef HEADER_PQUEUE_H

    64 #define HEADER_PQUEUE_H

    65 

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

    67 #define SYMBIAN

    68 #endif

    69 

    70 #ifdef SYMBIAN

    71 #include <e32def.h>

    72 #endif

    73 #include <stdio.h>

    74 #include <stdlib.h>

    75 #include <string.h>

    76 

    77 #include <openssl/pq_compat.h>

    78 #ifdef  __cplusplus

    79 extern "C" {

    80 #endif

    81 typedef struct _pqueue *pqueue;

    82 

    83 typedef struct _pitem

    84 	{

    85 	PQ_64BIT priority;

    86 	void *data;

    87 	struct _pitem *next;

    88 	} pitem;

    89 

    90 typedef struct _pitem *piterator;

    91 

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

    93 IMPORT_C void   pitem_free(pitem *item);

    94 

    95 IMPORT_C pqueue pqueue_new(void);

    96 IMPORT_C void   pqueue_free(pqueue pq);

    97 

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

    99 IMPORT_C pitem *pqueue_peek(pqueue pq);

   100 IMPORT_C pitem *pqueue_pop(pqueue pq);

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

   102 IMPORT_C pitem *pqueue_iterator(pqueue pq);

   103 IMPORT_C pitem *pqueue_next(piterator *iter);

   104 

   105 IMPORT_C void   pqueue_print(pqueue pq);

   106 #ifdef  __cplusplus

   107 }

   108 #endif

   109 #endif /* ! HEADER_PQUEUE_H */