diff options
Diffstat (limited to 'src/lib/libssl/pqueue.c')
-rw-r--r-- | src/lib/libssl/pqueue.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/lib/libssl/pqueue.c b/src/lib/libssl/pqueue.c deleted file mode 100644 index 602969deb0..0000000000 --- a/src/lib/libssl/pqueue.c +++ /dev/null | |||
@@ -1,201 +0,0 @@ | |||
1 | /* $OpenBSD: pqueue.c,v 1.5 2014/06/12 15:49:31 deraadt Exp $ */ | ||
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 | #include <stdlib.h> | ||
61 | #include <string.h> | ||
62 | |||
63 | #include "pqueue.h" | ||
64 | |||
65 | typedef struct _pqueue { | ||
66 | pitem *items; | ||
67 | int count; | ||
68 | } pqueue_s; | ||
69 | |||
70 | pitem * | ||
71 | pitem_new(unsigned char *prio64be, void *data) | ||
72 | { | ||
73 | pitem *item = malloc(sizeof(pitem)); | ||
74 | |||
75 | if (item == NULL) | ||
76 | return NULL; | ||
77 | |||
78 | memcpy(item->priority, prio64be, sizeof(item->priority)); | ||
79 | |||
80 | item->data = data; | ||
81 | item->next = NULL; | ||
82 | |||
83 | return item; | ||
84 | } | ||
85 | |||
86 | void | ||
87 | pitem_free(pitem *item) | ||
88 | { | ||
89 | free(item); | ||
90 | } | ||
91 | |||
92 | pqueue_s * | ||
93 | pqueue_new(void) | ||
94 | { | ||
95 | return calloc(1, sizeof(pqueue_s)); | ||
96 | } | ||
97 | |||
98 | void | ||
99 | pqueue_free(pqueue_s *pq) | ||
100 | { | ||
101 | free(pq); | ||
102 | } | ||
103 | |||
104 | pitem * | ||
105 | pqueue_insert(pqueue_s *pq, pitem *item) | ||
106 | { | ||
107 | pitem *curr, *next; | ||
108 | |||
109 | if (pq->items == NULL) { | ||
110 | pq->items = item; | ||
111 | return item; | ||
112 | } | ||
113 | |||
114 | for (curr = NULL, next = pq->items; next != NULL; | ||
115 | curr = next, next = next->next) { | ||
116 | /* we can compare 64-bit value in big-endian encoding | ||
117 | * with memcmp:-) */ | ||
118 | int cmp = memcmp(next->priority, item->priority, | ||
119 | sizeof(item->priority)); | ||
120 | if (cmp > 0) { /* next > item */ | ||
121 | item->next = next; | ||
122 | |||
123 | if (curr == NULL) | ||
124 | pq->items = item; | ||
125 | else | ||
126 | curr->next = item; | ||
127 | |||
128 | return item; | ||
129 | } else if (cmp == 0) /* duplicates not allowed */ | ||
130 | return NULL; | ||
131 | } | ||
132 | |||
133 | item->next = NULL; | ||
134 | curr->next = item; | ||
135 | |||
136 | return item; | ||
137 | } | ||
138 | |||
139 | pitem * | ||
140 | pqueue_peek(pqueue_s *pq) | ||
141 | { | ||
142 | return pq->items; | ||
143 | } | ||
144 | |||
145 | pitem * | ||
146 | pqueue_pop(pqueue_s *pq) | ||
147 | { | ||
148 | pitem *item = pq->items; | ||
149 | |||
150 | if (pq->items != NULL) | ||
151 | pq->items = pq->items->next; | ||
152 | |||
153 | return item; | ||
154 | } | ||
155 | |||
156 | pitem * | ||
157 | pqueue_find(pqueue_s *pq, unsigned char *prio64be) | ||
158 | { | ||
159 | pitem *next; | ||
160 | |||
161 | for (next = pq->items; next != NULL; next = next->next) | ||
162 | if (memcmp(next->priority, prio64be, | ||
163 | sizeof(next->priority)) == 0) | ||
164 | return next; | ||
165 | |||
166 | return NULL; | ||
167 | } | ||
168 | |||
169 | pitem * | ||
170 | pqueue_iterator(pqueue_s *pq) | ||
171 | { | ||
172 | return pqueue_peek(pq); | ||
173 | } | ||
174 | |||
175 | pitem * | ||
176 | pqueue_next(pitem **item) | ||
177 | { | ||
178 | pitem *ret; | ||
179 | |||
180 | if (item == NULL || *item == NULL) | ||
181 | return NULL; | ||
182 | |||
183 | /* *item != NULL */ | ||
184 | ret = *item; | ||
185 | *item = (*item)->next; | ||
186 | |||
187 | return ret; | ||
188 | } | ||
189 | |||
190 | int | ||
191 | pqueue_size(pqueue_s *pq) | ||
192 | { | ||
193 | pitem *item = pq->items; | ||
194 | int count = 0; | ||
195 | |||
196 | while (item != NULL) { | ||
197 | count++; | ||
198 | item = item->next; | ||
199 | } | ||
200 | return count; | ||
201 | } | ||