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- /* crypto/lhash/lhash.h */
- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
- /* Header for dynamic hash table routines
- * Author - Eric Young
- */
-
- #ifndef HEADER_LHASH_H
- #define HEADER_LHASH_H
-
- #ifndef NO_FP_API
- #include <stdio.h>
- #endif
-
- #ifndef NO_BIO
- #include <openssl/bio.h>
- #endif
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- typedef struct lhash_node_st
- {
- void *data;
- struct lhash_node_st *next;
- #ifndef NO_HASH_COMP
- unsigned long hash;
- #endif
- } LHASH_NODE;
-
- typedef struct lhash_st
- {
- LHASH_NODE **b;
- int (*comp)();
- unsigned long (*hash)();
- unsigned int num_nodes;
- unsigned int num_alloc_nodes;
- unsigned int p;
- unsigned int pmax;
- unsigned long up_load; /* load times 256 */
- unsigned long down_load; /* load times 256 */
- unsigned long num_items;
-
- unsigned long num_expands;
- unsigned long num_expand_reallocs;
- unsigned long num_contracts;
- unsigned long num_contract_reallocs;
- unsigned long num_hash_calls;
- unsigned long num_comp_calls;
- unsigned long num_insert;
- unsigned long num_replace;
- unsigned long num_delete;
- unsigned long num_no_delete;
- unsigned long num_retrieve;
- unsigned long num_retrieve_miss;
- unsigned long num_hash_comps;
-
- int error;
- } LHASH;
-
- #define LH_LOAD_MULT 256
-
- /* Indicates a malloc() error in the last call, this is only bad
- * in lh_insert(). */
- #define lh_error(lh) ((lh)->error)
-
- LHASH *lh_new(unsigned long (*h)(/* void *a */), int (*c)(/* void *a,void *b */));
- void lh_free(LHASH *lh);
- void *lh_insert(LHASH *lh, void *data);
- void *lh_delete(LHASH *lh, void *data);
- void *lh_retrieve(LHASH *lh, void *data);
- void lh_doall(LHASH *lh, void (*func)(/*void *b*/));
- void lh_doall_arg(LHASH *lh, void (*func)(/*void *a,void *b*/),void *arg);
- unsigned long lh_strhash(const char *c);
- unsigned long lh_num_items(LHASH *lh);
-
- #ifndef NO_FP_API
- void lh_stats(LHASH *lh, FILE *out);
- void lh_node_stats(LHASH *lh, FILE *out);
- void lh_node_usage_stats(LHASH *lh, FILE *out);
- #endif
-
- #ifndef NO_BIO
- void lh_stats_bio(LHASH *lh, BIO *out);
- void lh_node_stats_bio(LHASH *lh, BIO *out);
- void lh_node_usage_stats_bio(LHASH *lh, BIO *out);
- #endif
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-
-