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 module deimos.openssl.pqueue;
61 
62 import deimos.openssl._d_util;
63 
64 import core.stdc.stdio;
65 import core.stdc.stdlib;
66 // #include <string.h>
67 
68 struct _pqueue;
69 alias _pqueue* pqueue;
70 
71 struct _pitem {
72 	ubyte[8] priority; /* 64-bit value in big-endian encoding */
73 	void* data;
74 	_pitem* next;
75 	}
76 alias _pitem pitem;
77 
78 alias _pitem* piterator;
79 
80 pitem* pitem_new(ubyte* prio64be, void* data);
81 void   pitem_free(pitem* item);
82 
83 pqueue pqueue_new();
84 void   pqueue_free(pqueue pq);
85 
86 pitem* pqueue_insert(pqueue pq, pitem* item);
87 pitem* pqueue_peek(pqueue pq);
88 pitem* pqueue_pop(pqueue pq);
89 pitem* pqueue_find(pqueue pq, ubyte* prio64be);
90 pitem* pqueue_iterator(pqueue pq);
91 pitem* pqueue_next(piterator* iter);
92 
93 void   pqueue_print(pqueue pq);
94 int    pqueue_size(pqueue pq);