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 | } | ||
