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Diffstat (limited to 'crypto/lhash/lhash.h')
-rw-r--r-- | crypto/lhash/lhash.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/crypto/lhash/lhash.h b/crypto/lhash/lhash.h new file mode 100644 index 0000000000..66678cf393 --- /dev/null +++ b/crypto/lhash/lhash.h @@ -0,0 +1,155 @@ +/* crypto/lhash/lhash.h */ +/* Copyright (C) 1995-1997 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 + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct lhash_node_st + { + char *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; + } LHASH; + +#define LH_LOAD_MULT 256 + +#ifndef NOPROTO +LHASH *lh_new(unsigned long (*h)(), int (*c)()); +void lh_free(LHASH *lh); +char *lh_insert(LHASH *lh, char *data); +char *lh_delete(LHASH *lh, char *data); +char *lh_retrieve(LHASH *lh, char *data); +void lh_doall(LHASH *lh, void (*func)(/* char *b */)); +void lh_doall_arg(LHASH *lh, void (*func)(/*char *a,char *b*/),char *arg); +unsigned long lh_strhash(char *c); + +#ifndef WIN16 +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 + +#ifdef HEADER_BIO_H +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 +#else +LHASH *lh_new(); +void lh_free(); +char *lh_insert(); +char *lh_delete(); +char *lh_retrieve(); +void lh_doall(); +void lh_doall_arg(); +unsigned long lh_strhash(); + +#ifndef WIN16 +void lh_stats(); +void lh_node_stats(); +void lh_node_usage_stats(); +#endif +void lh_stats_bio(); +void lh_node_stats_bio(); +void lh_node_usage_stats_bio(); +#endif + +#ifdef __cplusplus +} +#endif + +#endif + |