1*2139Sjp161948 /* crypto/pqueue/pqueue.h */ 2*2139Sjp161948 /* 3*2139Sjp161948 * DTLS implementation written by Nagendra Modadugu 4*2139Sjp161948 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. 5*2139Sjp161948 */ 6*2139Sjp161948 /* ==================================================================== 7*2139Sjp161948 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. 8*2139Sjp161948 * 9*2139Sjp161948 * Redistribution and use in source and binary forms, with or without 10*2139Sjp161948 * modification, are permitted provided that the following conditions 11*2139Sjp161948 * are met: 12*2139Sjp161948 * 13*2139Sjp161948 * 1. Redistributions of source code must retain the above copyright 14*2139Sjp161948 * notice, this list of conditions and the following disclaimer. 15*2139Sjp161948 * 16*2139Sjp161948 * 2. Redistributions in binary form must reproduce the above copyright 17*2139Sjp161948 * notice, this list of conditions and the following disclaimer in 18*2139Sjp161948 * the documentation and/or other materials provided with the 19*2139Sjp161948 * distribution. 20*2139Sjp161948 * 21*2139Sjp161948 * 3. All advertising materials mentioning features or use of this 22*2139Sjp161948 * software must display the following acknowledgment: 23*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 24*2139Sjp161948 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25*2139Sjp161948 * 26*2139Sjp161948 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27*2139Sjp161948 * endorse or promote products derived from this software without 28*2139Sjp161948 * prior written permission. For written permission, please contact 29*2139Sjp161948 * openssl-core@OpenSSL.org. 30*2139Sjp161948 * 31*2139Sjp161948 * 5. Products derived from this software may not be called "OpenSSL" 32*2139Sjp161948 * nor may "OpenSSL" appear in their names without prior written 33*2139Sjp161948 * permission of the OpenSSL Project. 34*2139Sjp161948 * 35*2139Sjp161948 * 6. Redistributions of any form whatsoever must retain the following 36*2139Sjp161948 * acknowledgment: 37*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 38*2139Sjp161948 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39*2139Sjp161948 * 40*2139Sjp161948 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41*2139Sjp161948 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42*2139Sjp161948 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43*2139Sjp161948 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44*2139Sjp161948 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45*2139Sjp161948 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46*2139Sjp161948 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47*2139Sjp161948 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48*2139Sjp161948 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49*2139Sjp161948 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50*2139Sjp161948 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51*2139Sjp161948 * OF THE POSSIBILITY OF SUCH DAMAGE. 52*2139Sjp161948 * ==================================================================== 53*2139Sjp161948 * 54*2139Sjp161948 * This product includes cryptographic software written by Eric Young 55*2139Sjp161948 * (eay@cryptsoft.com). This product includes software written by Tim 56*2139Sjp161948 * Hudson (tjh@cryptsoft.com). 57*2139Sjp161948 * 58*2139Sjp161948 */ 59*2139Sjp161948 60*2139Sjp161948 #ifndef HEADER_PQUEUE_H 61*2139Sjp161948 #define HEADER_PQUEUE_H 62*2139Sjp161948 63*2139Sjp161948 #include <stdio.h> 64*2139Sjp161948 #include <stdlib.h> 65*2139Sjp161948 #include <string.h> 66*2139Sjp161948 67*2139Sjp161948 #include <openssl/pq_compat.h> 68*2139Sjp161948 69*2139Sjp161948 typedef struct _pqueue *pqueue; 70*2139Sjp161948 71*2139Sjp161948 typedef struct _pitem 72*2139Sjp161948 { 73*2139Sjp161948 PQ_64BIT priority; 74*2139Sjp161948 void *data; 75*2139Sjp161948 struct _pitem *next; 76*2139Sjp161948 } pitem; 77*2139Sjp161948 78*2139Sjp161948 typedef struct _pitem *piterator; 79*2139Sjp161948 80*2139Sjp161948 pitem *pitem_new(PQ_64BIT priority, void *data); 81*2139Sjp161948 void pitem_free(pitem *item); 82*2139Sjp161948 83*2139Sjp161948 pqueue pqueue_new(void); 84*2139Sjp161948 void pqueue_free(pqueue pq); 85*2139Sjp161948 86*2139Sjp161948 pitem *pqueue_insert(pqueue pq, pitem *item); 87*2139Sjp161948 pitem *pqueue_peek(pqueue pq); 88*2139Sjp161948 pitem *pqueue_pop(pqueue pq); 89*2139Sjp161948 pitem *pqueue_find(pqueue pq, PQ_64BIT priority); 90*2139Sjp161948 pitem *pqueue_iterator(pqueue pq); 91*2139Sjp161948 pitem *pqueue_next(piterator *iter); 92*2139Sjp161948 93*2139Sjp161948 void pqueue_print(pqueue pq); 94*2139Sjp161948 95*2139Sjp161948 #endif /* ! HEADER_PQUEUE_H */ 96