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Diffstat (limited to 'src/lib/libcrypto/pqueue/pqueue.c')
-rw-r--r-- | src/lib/libcrypto/pqueue/pqueue.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/lib/libcrypto/pqueue/pqueue.c b/src/lib/libcrypto/pqueue/pqueue.c deleted file mode 100644 index fc68ae19c3..0000000000 --- a/src/lib/libcrypto/pqueue/pqueue.c +++ /dev/null | |||
@@ -1,237 +0,0 @@ | |||
1 | /* crypto/pqueue/pqueue.c */ | ||
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 "cryptlib.h" | ||
61 | #include <openssl/bn.h> | ||
62 | #include "pqueue.h" | ||
63 | |||
64 | typedef struct _pqueue { | ||
65 | pitem *items; | ||
66 | int count; | ||
67 | } pqueue_s; | ||
68 | |||
69 | pitem * | ||
70 | pitem_new(unsigned char *prio64be, void *data) | ||
71 | { | ||
72 | pitem *item = (pitem *)malloc(sizeof(pitem)); | ||
73 | |||
74 | if (item == NULL) | ||
75 | return NULL; | ||
76 | |||
77 | memcpy(item->priority, prio64be, sizeof(item->priority)); | ||
78 | |||
79 | item->data = data; | ||
80 | item->next = NULL; | ||
81 | |||
82 | return item; | ||
83 | } | ||
84 | |||
85 | void | ||
86 | pitem_free(pitem *item) | ||
87 | { | ||
88 | if (item == NULL) | ||
89 | return; | ||
90 | |||
91 | free(item); | ||
92 | } | ||
93 | |||
94 | pqueue_s * | ||
95 | pqueue_new(void) | ||
96 | { | ||
97 | pqueue_s *pq = (pqueue_s *)malloc(sizeof(pqueue_s)); | ||
98 | |||
99 | if (pq == NULL) | ||
100 | return NULL; | ||
101 | |||
102 | memset(pq, 0x00, sizeof(pqueue_s)); | ||
103 | return pq; | ||
104 | } | ||
105 | |||
106 | void | ||
107 | pqueue_free(pqueue_s *pq) | ||
108 | { | ||
109 | if (pq == NULL) | ||
110 | return; | ||
111 | |||
112 | free(pq); | ||
113 | } | ||
114 | |||
115 | pitem * | ||
116 | pqueue_insert(pqueue_s *pq, pitem *item) | ||
117 | { | ||
118 | pitem *curr, *next; | ||
119 | |||
120 | if (pq->items == NULL) { | ||
121 | pq->items = item; | ||
122 | return item; | ||
123 | } | ||
124 | |||
125 | for (curr = NULL, next = pq->items; next != NULL; | ||
126 | curr = next, next = next->next) { | ||
127 | /* we can compare 64-bit value in big-endian encoding | ||
128 | * with memcmp:-) */ | ||
129 | int cmp = memcmp(next->priority, item->priority, | ||
130 | sizeof(item->priority)); | ||
131 | if (cmp > 0) /* next > item */ | ||
132 | { | ||
133 | item->next = next; | ||
134 | |||
135 | if (curr == NULL) | ||
136 | pq->items = item; | ||
137 | else | ||
138 | curr->next = item; | ||
139 | |||
140 | return item; | ||
141 | } else if (cmp == 0) /* duplicates not allowed */ | ||
142 | return NULL; | ||
143 | } | ||
144 | |||
145 | item->next = NULL; | ||
146 | curr->next = item; | ||
147 | |||
148 | return item; | ||
149 | } | ||
150 | |||
151 | pitem * | ||
152 | pqueue_peek(pqueue_s *pq) | ||
153 | { | ||
154 | return pq->items; | ||
155 | } | ||
156 | |||
157 | pitem * | ||
158 | pqueue_pop(pqueue_s *pq) | ||
159 | { | ||
160 | pitem *item = pq->items; | ||
161 | |||
162 | if (pq->items != NULL) | ||
163 | pq->items = pq->items->next; | ||
164 | |||
165 | return item; | ||
166 | } | ||
167 | |||
168 | pitem * | ||
169 | pqueue_find(pqueue_s *pq, unsigned char *prio64be) | ||
170 | { | ||
171 | pitem *next; | ||
172 | pitem *found = NULL; | ||
173 | |||
174 | if (pq->items == NULL) | ||
175 | return NULL; | ||
176 | |||
177 | for (next = pq->items; next != NULL; next = next->next) { | ||
178 | if (memcmp(next->priority, prio64be, 8) == 0) { | ||
179 | found = next; | ||
180 | break; | ||
181 | } | ||
182 | } | ||
183 | |||
184 | if (!found) | ||
185 | return NULL; | ||
186 | |||
187 | return found; | ||
188 | } | ||
189 | |||
190 | void | ||
191 | pqueue_print(pqueue_s *pq) | ||
192 | { | ||
193 | pitem *item = pq->items; | ||
194 | |||
195 | while (item != NULL) { | ||
196 | printf("item\t%02x%02x%02x%02x%02x%02x%02x%02x\n", | ||
197 | item->priority[0], item->priority[1], | ||
198 | item->priority[2], item->priority[3], | ||
199 | item->priority[4], item->priority[5], | ||
200 | item->priority[6], item->priority[7]); | ||
201 | item = item->next; | ||
202 | } | ||
203 | } | ||
204 | |||
205 | pitem * | ||
206 | pqueue_iterator(pqueue_s *pq) | ||
207 | { | ||
208 | return pqueue_peek(pq); | ||
209 | } | ||
210 | |||
211 | pitem * | ||
212 | pqueue_next(pitem **item) | ||
213 | { | ||
214 | pitem *ret; | ||
215 | |||
216 | if (item == NULL || *item == NULL) | ||
217 | return NULL; | ||
218 | |||
219 | /* *item != NULL */ | ||
220 | ret = *item; | ||
221 | *item = (*item)->next; | ||
222 | |||
223 | return ret; | ||
224 | } | ||
225 | |||
226 | int | ||
227 | pqueue_size(pqueue_s *pq) | ||
228 | { | ||
229 | pitem *item = pq->items; | ||
230 | int count = 0; | ||
231 | |||
232 | while (item != NULL) { | ||
233 | count++; | ||
234 | item = item->next; | ||
235 | } | ||
236 | return count; | ||
237 | } | ||