1 /* crypto/lhash/lhash.h */ 2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 /* Header for dynamic hash table routines 60 * Author - Eric Young 61 */ 62 63 #ifndef HEADER_LHASH_H 64 #define HEADER_LHASH_H 65 66 #ifdef __cplusplus 67 extern "C" { 68 #endif 69 70 typedef struct lhash_node_st 71 { 72 char *data; 73 struct lhash_node_st *next; 74 #ifndef NO_HASH_COMP 75 unsigned long hash; 76 #endif 77 } LHASH_NODE; 78 79 typedef struct lhash_st 80 { 81 LHASH_NODE **b; 82 int (*comp)(); 83 unsigned long (*hash)(); 84 unsigned int num_nodes; 85 unsigned int num_alloc_nodes; 86 unsigned int p; 87 unsigned int pmax; 88 unsigned long up_load; /* load times 256 */ 89 unsigned long down_load; /* load times 256 */ 90 unsigned long num_items; 91 92 unsigned long num_expands; 93 unsigned long num_expand_reallocs; 94 unsigned long num_contracts; 95 unsigned long num_contract_reallocs; 96 unsigned long num_hash_calls; 97 unsigned long num_comp_calls; 98 unsigned long num_insert; 99 unsigned long num_replace; 100 unsigned long num_delete; 101 unsigned long num_no_delete; 102 unsigned long num_retrieve; 103 unsigned long num_retrieve_miss; 104 unsigned long num_hash_comps; 105 } LHASH; 106 107 #define LH_LOAD_MULT 256 108 109 #ifndef NOPROTO 110 LHASH *lh_new(unsigned long (*h)(), int (*c)()); 111 void lh_free(LHASH *lh); 112 char *lh_insert(LHASH *lh, char *data); 113 char *lh_delete(LHASH *lh, char *data); 114 char *lh_retrieve(LHASH *lh, char *data); 115 void lh_doall(LHASH *lh, void (*func)(/* char *b */)); 116 void lh_doall_arg(LHASH *lh, void (*func)(/*char *a,char *b*/),char *arg); 117 unsigned long lh_strhash(char *c); 118 119 #ifndef WIN16 120 void lh_stats(LHASH *lh, FILE *out); 121 void lh_node_stats(LHASH *lh, FILE *out); 122 void lh_node_usage_stats(LHASH *lh, FILE *out); 123 #endif 124 125 #ifdef HEADER_BIO_H 126 void lh_stats_bio(LHASH *lh, BIO *out); 127 void lh_node_stats_bio(LHASH *lh, BIO *out); 128 void lh_node_usage_stats_bio(LHASH *lh, BIO *out); 129 #endif 130 #else 131 LHASH *lh_new(); 132 void lh_free(); 133 char *lh_insert(); 134 char *lh_delete(); 135 char *lh_retrieve(); 136 void lh_doall(); 137 void lh_doall_arg(); 138 unsigned long lh_strhash(); 139 140 #ifndef WIN16 141 void lh_stats(); 142 void lh_node_stats(); 143 void lh_node_usage_stats(); 144 #endif 145 void lh_stats_bio(); 146 void lh_node_stats_bio(); 147 void lh_node_usage_stats_bio(); 148 #endif 149 150 #ifdef __cplusplus 151 } 152 #endif 153 154 #endif 155 156