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authorcvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
committercvs2svn <admin@example.com>2015-08-02 21:54:22 +0000
commited3760bf4be4a96a89233fb8f8b84a0d44725862 (patch)
tree5609c82060f75c53af0a7641d9b33a88574876cd /src/lib/libssl/pqueue.h
parentf8b563fb5ba1524c821d37308f4e6abfc866bc3f (diff)
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This commit was manufactured by cvs2git to create tag 'OPENBSD_5_8_BASE'.OPENBSD_5_8_BASE
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1/* $OpenBSD: pqueue.h,v 1.3 2014/06/12 15:49:31 deraadt Exp $ */
2
3/*
4 * DTLS implementation written by Nagendra Modadugu
5 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
6 */
7/* ====================================================================
8 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * 3. All advertising materials mentioning features or use of this
23 * software must display the following acknowledgment:
24 * "This product includes software developed by the OpenSSL Project
25 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 *
27 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
28 * endorse or promote products derived from this software without
29 * prior written permission. For written permission, please contact
30 * openssl-core@OpenSSL.org.
31 *
32 * 5. Products derived from this software may not be called "OpenSSL"
33 * nor may "OpenSSL" appear in their names without prior written
34 * permission of the OpenSSL Project.
35 *
36 * 6. Redistributions of any form whatsoever must retain the following
37 * acknowledgment:
38 * "This product includes software developed by the OpenSSL Project
39 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
42 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
50 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
51 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
52 * OF THE POSSIBILITY OF SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This product includes cryptographic software written by Eric Young
56 * (eay@cryptsoft.com). This product includes software written by Tim
57 * Hudson (tjh@cryptsoft.com).
58 *
59 */
60
61#ifndef HEADER_PQUEUE_H
62#define HEADER_PQUEUE_H
63
64typedef struct _pqueue *pqueue;
65
66typedef struct _pitem {
67 unsigned char priority[8]; /* 64-bit value in big-endian encoding */
68 void *data;
69 struct _pitem *next;
70} pitem;
71
72typedef struct _pitem *piterator;
73
74pitem *pitem_new(unsigned char *prio64be, void *data);
75void pitem_free(pitem *item);
76
77pqueue pqueue_new(void);
78void pqueue_free(pqueue pq);
79
80pitem *pqueue_insert(pqueue pq, pitem *item);
81pitem *pqueue_peek(pqueue pq);
82pitem *pqueue_pop(pqueue pq);
83pitem *pqueue_find(pqueue pq, unsigned char *prio64be);
84pitem *pqueue_iterator(pqueue pq);
85pitem *pqueue_next(piterator *iter);
86
87int pqueue_size(pqueue pq);
88
89#endif /* ! HEADER_PQUEUE_H */