[b32552c] | 1 | /* crypto/pqueue/pqueue.h */ |
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| 2 | /* |
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| 3 | * DTLS implementation written by Nagendra Modadugu |
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| 4 | * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. |
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| 5 | */ |
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| 6 | /* ==================================================================== |
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| 7 | * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions |
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| 11 | * are met: |
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| 12 | * |
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| 13 | * 1. Redistributions of source code must retain the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer. |
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| 15 | * |
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 17 | * notice, this list of conditions and the following disclaimer in |
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| 18 | * the documentation and/or other materials provided with the |
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| 19 | * distribution. |
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| 20 | * |
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| 21 | * 3. All advertising materials mentioning features or use of this |
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| 22 | * software must display the following acknowledgment: |
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| 23 | * "This product includes software developed by the OpenSSL Project |
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| 24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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| 25 | * |
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| 26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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| 27 | * endorse or promote products derived from this software without |
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| 28 | * prior written permission. For written permission, please contact |
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| 29 | * openssl-core@OpenSSL.org. |
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| 30 | * |
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| 31 | * 5. Products derived from this software may not be called "OpenSSL" |
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| 32 | * nor may "OpenSSL" appear in their names without prior written |
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| 33 | * permission of the OpenSSL Project. |
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| 34 | * |
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| 35 | * 6. Redistributions of any form whatsoever must retain the following |
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| 36 | * acknowledgment: |
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| 37 | * "This product includes software developed by the OpenSSL Project |
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| 38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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| 39 | * |
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| 40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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| 41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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| 44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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| 49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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| 51 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 52 | * ==================================================================== |
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| 53 | * |
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| 54 | * This product includes cryptographic software written by Eric Young |
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| 55 | * (eay@cryptsoft.com). This product includes software written by Tim |
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| 56 | * Hudson (tjh@cryptsoft.com). |
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| 57 | * |
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| 58 | */ |
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| 59 | |
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| 60 | #ifndef HEADER_PQUEUE_H |
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| 61 | #define HEADER_PQUEUE_H |
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| 62 | |
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| 63 | #include <stdio.h> |
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| 64 | #include <stdlib.h> |
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| 65 | #include <string.h> |
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| 66 | |
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| 67 | #include <openssl/pq_compat.h> |
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| 68 | |
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| 69 | typedef struct _pqueue *pqueue; |
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| 70 | |
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| 71 | typedef struct _pitem |
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| 72 | { |
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| 73 | PQ_64BIT priority; |
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| 74 | void *data; |
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| 75 | struct _pitem *next; |
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| 76 | } pitem; |
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| 77 | |
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| 78 | typedef struct _pitem *piterator; |
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| 79 | |
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| 80 | pitem *pitem_new(PQ_64BIT priority, void *data); |
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| 81 | void pitem_free(pitem *item); |
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| 82 | |
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| 83 | pqueue pqueue_new(void); |
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| 84 | void pqueue_free(pqueue pq); |
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| 85 | |
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| 86 | pitem *pqueue_insert(pqueue pq, pitem *item); |
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| 87 | pitem *pqueue_peek(pqueue pq); |
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| 88 | pitem *pqueue_pop(pqueue pq); |
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| 89 | pitem *pqueue_find(pqueue pq, PQ_64BIT priority); |
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| 90 | pitem *pqueue_iterator(pqueue pq); |
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| 91 | pitem *pqueue_next(piterator *iter); |
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| 92 | |
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| 93 | void pqueue_print(pqueue pq); |
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| 94 | |
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| 95 | #endif /* ! HEADER_PQUEUE_H */ |
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