diff options
Diffstat (limited to 'thirdparty/openssl/crypto/pqueue/pqueue.c')
-rw-r--r-- | thirdparty/openssl/crypto/pqueue/pqueue.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/thirdparty/openssl/crypto/pqueue/pqueue.c b/thirdparty/openssl/crypto/pqueue/pqueue.c deleted file mode 100644 index 75f9734931..0000000000 --- a/thirdparty/openssl/crypto/pqueue/pqueue.c +++ /dev/null @@ -1,235 +0,0 @@ -/* crypto/pqueue/pqueue.c */ -/* - * DTLS implementation written by Nagendra Modadugu - * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. - */ -/* ==================================================================== - * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include "cryptlib.h" -#include <openssl/bn.h> -#include "pqueue.h" - -typedef struct _pqueue { - pitem *items; - int count; -} pqueue_s; - -pitem *pitem_new(unsigned char *prio64be, void *data) -{ - pitem *item = (pitem *)OPENSSL_malloc(sizeof(pitem)); - if (item == NULL) - return NULL; - - memcpy(item->priority, prio64be, sizeof(item->priority)); - - item->data = data; - item->next = NULL; - - return item; -} - -void pitem_free(pitem *item) -{ - if (item == NULL) - return; - - OPENSSL_free(item); -} - -pqueue_s *pqueue_new() -{ - pqueue_s *pq = (pqueue_s *)OPENSSL_malloc(sizeof(pqueue_s)); - if (pq == NULL) - return NULL; - - memset(pq, 0x00, sizeof(pqueue_s)); - return pq; -} - -void pqueue_free(pqueue_s *pq) -{ - if (pq == NULL) - return; - - OPENSSL_free(pq); -} - -pitem *pqueue_insert(pqueue_s *pq, pitem *item) -{ - pitem *curr, *next; - - if (pq->items == NULL) { - pq->items = item; - return item; - } - - for (curr = NULL, next = pq->items; - next != NULL; curr = next, next = next->next) { - /* - * we can compare 64-bit value in big-endian encoding with memcmp:-) - */ - int cmp = memcmp(next->priority, item->priority, 8); - if (cmp > 0) { /* next > item */ - item->next = next; - - if (curr == NULL) - pq->items = item; - else - curr->next = item; - - return item; - } - - else if (cmp == 0) /* duplicates not allowed */ - return NULL; - } - - item->next = NULL; - curr->next = item; - - return item; -} - -pitem *pqueue_peek(pqueue_s *pq) -{ - return pq->items; -} - -pitem *pqueue_pop(pqueue_s *pq) -{ - pitem *item = pq->items; - - if (pq->items != NULL) - pq->items = pq->items->next; - - return item; -} - -pitem *pqueue_find(pqueue_s *pq, unsigned char *prio64be) -{ - pitem *next; - pitem *found = NULL; - - if (pq->items == NULL) - return NULL; - - for (next = pq->items; next->next != NULL; next = next->next) { - if (memcmp(next->priority, prio64be, 8) == 0) { - found = next; - break; - } - } - - /* check the one last node */ - if (memcmp(next->priority, prio64be, 8) == 0) - found = next; - - if (!found) - return NULL; - -#if 0 /* find works in peek mode */ - if (prev == NULL) - pq->items = next->next; - else - prev->next = next->next; -#endif - - return found; -} - -void pqueue_print(pqueue_s *pq) -{ - pitem *item = pq->items; - - while (item != NULL) { - printf("item\t%02x%02x%02x%02x%02x%02x%02x%02x\n", - item->priority[0], item->priority[1], - item->priority[2], item->priority[3], - item->priority[4], item->priority[5], - item->priority[6], item->priority[7]); - item = item->next; - } -} - -pitem *pqueue_iterator(pqueue_s *pq) -{ - return pqueue_peek(pq); -} - -pitem *pqueue_next(pitem **item) -{ - pitem *ret; - - if (item == NULL || *item == NULL) - return NULL; - - /* *item != NULL */ - ret = *item; - *item = (*item)->next; - - return ret; -} - -int pqueue_size(pqueue_s *pq) -{ - pitem *item = pq->items; - int count = 0; - - while (item != NULL) { - count++; - item = item->next; - } - return count; -} |