1 /* crypto/pqueue/pqueue.h */
3 * DTLS implementation written by Nagendra Modadugu
4 * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
6 /* ====================================================================
7 * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
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10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
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17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
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/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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29 * openssl-core@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
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35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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52 * ====================================================================
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).
60 #ifndef HEADER_PQUEUE_H
61 #define HEADER_PQUEUE_H
70 typedef struct _pqueue
*pqueue
;
74 unsigned char priority
[8]; /* 64-bit value in big-endian encoding */
79 typedef struct _pitem
*piterator
;
81 pitem
*pitem_new(unsigned char *prio64be
, void *data
);
82 void pitem_free(pitem
*item
);
84 pqueue
pqueue_new(void);
85 void pqueue_free(pqueue pq
);
87 pitem
*pqueue_insert(pqueue pq
, pitem
*item
);
88 pitem
*pqueue_peek(pqueue pq
);
89 pitem
*pqueue_pop(pqueue pq
);
90 pitem
*pqueue_find(pqueue pq
, unsigned char *prio64be
);
91 pitem
*pqueue_iterator(pqueue pq
);
92 pitem
*pqueue_next(piterator
*iter
);
94 void pqueue_print(pqueue pq
);
95 int pqueue_size(pqueue pq
);
100 #endif /* ! HEADER_PQUEUE_H */