pqueue.h

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00001 /* crypto/pqueue/pqueue.h */
00002 /* 
00003  * DTLS implementation written by Nagendra Modadugu
00004  * ([email protected]) for the OpenSSL project 2005.  
00005  */
00006 /* ====================================================================
00007  * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
00008  *
00009  * Redistribution and use in source and binary forms, with or without
00010  * modification, are permitted provided that the following conditions
00011  * are met:
00012  *
00013  * 1. Redistributions of source code must retain the above copyright
00014  *    notice, this list of conditions and the following disclaimer. 
00015  *
00016  * 2. Redistributions in binary form must reproduce the above copyright
00017  *    notice, this list of conditions and the following disclaimer in
00018  *    the documentation and/or other materials provided with the
00019  *    distribution.
00020  *
00021  * 3. All advertising materials mentioning features or use of this
00022  *    software must display the following acknowledgment:
00023  *    "This product includes software developed by the OpenSSL Project
00024  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
00025  *
00026  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
00027  *    endorse or promote products derived from this software without
00028  *    prior written permission. For written permission, please contact
00029  *    [email protected]
00030  *
00031  * 5. Products derived from this software may not be called "OpenSSL"
00032  *    nor may "OpenSSL" appear in their names without prior written
00033  *    permission of the OpenSSL Project.
00034  *
00035  * 6. Redistributions of any form whatsoever must retain the following
00036  *    acknowledgment:
00037  *    "This product includes software developed by the OpenSSL Project
00038  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
00039  *
00040  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
00041  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00042  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00043  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
00044  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00045  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00046  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00047  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00048  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
00049  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00050  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
00051  * OF THE POSSIBILITY OF SUCH DAMAGE.
00052  * ====================================================================
00053  *
00054  * This product includes cryptographic software written by Eric Young
00055  * ([email protected]).  This product includes software written by Tim
00056  * Hudson ([email protected]).
00057  *
00058  */
00059 /*
00060  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
00061  */
00062 
00063 #ifndef HEADER_PQUEUE_H
00064 #define HEADER_PQUEUE_H
00065 
00066 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
00067 #define SYMBIAN
00068 #endif
00069 
00070 #ifdef SYMBIAN
00071 #include <e32def.h>
00072 #endif
00073 #include <stdio.h>
00074 #include <stdlib.h>
00075 #include <string.h>
00076 
00077 #include <openssl/pq_compat.h>
00078 #ifdef  __cplusplus
00079 extern "C" {
00080 #endif
00081 typedef struct _pqueue *pqueue;
00082 
00083 typedef struct _pitem
00084         {
00085         PQ_64BIT priority;
00086         void *data;
00087         struct _pitem *next;
00088         } pitem;
00089 
00090 typedef struct _pitem *piterator;
00091 
00092 IMPORT_C pitem *pitem_new(PQ_64BIT priority, void *data);
00093 IMPORT_C void   pitem_free(pitem *item);
00094 
00095 IMPORT_C pqueue pqueue_new(void);
00096 IMPORT_C void   pqueue_free(pqueue pq);
00097 
00098 IMPORT_C pitem *pqueue_insert(pqueue pq, pitem *item);
00099 IMPORT_C pitem *pqueue_peek(pqueue pq);
00100 IMPORT_C pitem *pqueue_pop(pqueue pq);
00101 IMPORT_C pitem *pqueue_find(pqueue pq, PQ_64BIT priority);
00102 IMPORT_C pitem *pqueue_iterator(pqueue pq);
00103 IMPORT_C pitem *pqueue_next(piterator *iter);
00104 
00105 IMPORT_C void   pqueue_print(pqueue pq);
00106 #ifdef  __cplusplus
00107 }
00108 #endif
00109 #endif /* ! HEADER_PQUEUE_H */

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