mirror of https://github.com/moparisthebest/wget
73 lines
3.1 KiB
C
73 lines
3.1 KiB
C
/* Hash table declarations.
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Wget.
|
|
|
|
GNU Wget is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
GNU Wget is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Wget; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
In addition, as a special exception, the Free Software Foundation
|
|
gives permission to link the code of its release of Wget with the
|
|
OpenSSL project's "OpenSSL" library (or with modified versions of it
|
|
that use the same license as the "OpenSSL" library), and distribute
|
|
the linked executables. You must obey the GNU General Public License
|
|
in all respects for all of the code used other than "OpenSSL". If you
|
|
modify this file, you may extend this exception to your version of the
|
|
file, but you are not obligated to do so. If you do not wish to do
|
|
so, delete this exception statement from your version. */
|
|
|
|
#ifndef HASH_H
|
|
#define HASH_H
|
|
|
|
/* From XEmacs, and hence from Dragon book. */
|
|
|
|
#define GOOD_HASH 65599 /* prime number just over 2^16; Dragon book, p. 435 */
|
|
#define HASH2(a,b) (GOOD_HASH * (a) + (b))
|
|
#define HASH3(a,b,c) (GOOD_HASH * HASH2 (a,b) + (c))
|
|
#define HASH4(a,b,c,d) (GOOD_HASH * HASH3 (a,b,c) + (d))
|
|
#define HASH5(a,b,c,d,e) (GOOD_HASH * HASH4 (a,b,c,d) + (e))
|
|
#define HASH6(a,b,c,d,e,f) (GOOD_HASH * HASH5 (a,b,c,d,e) + (f))
|
|
#define HASH7(a,b,c,d,e,f,g) (GOOD_HASH * HASH6 (a,b,c,d,e,f) + (g))
|
|
#define HASH8(a,b,c,d,e,f,g,h) (GOOD_HASH * HASH7 (a,b,c,d,e,f,g) + (h))
|
|
#define HASH9(a,b,c,d,e,f,g,h,i) (GOOD_HASH * HASH8 (a,b,c,d,e,f,g,h) + (i))
|
|
|
|
struct hash_table;
|
|
|
|
struct hash_table *hash_table_new PARAMS ((int,
|
|
unsigned long (*) (const void *),
|
|
int (*) (const void *,
|
|
const void *)));
|
|
void hash_table_destroy PARAMS ((struct hash_table *));
|
|
|
|
void *hash_table_get PARAMS ((struct hash_table *, const void *));
|
|
int hash_table_get_pair PARAMS ((struct hash_table *, const void *,
|
|
void *, void *));
|
|
int hash_table_contains PARAMS ((struct hash_table *, const void *));
|
|
|
|
void hash_table_put PARAMS ((struct hash_table *, const void *, void *));
|
|
int hash_table_remove PARAMS ((struct hash_table *, const void *));
|
|
void hash_table_clear PARAMS ((struct hash_table *));
|
|
|
|
void hash_table_map PARAMS ((struct hash_table *,
|
|
int (*) (void *, void *, void *),
|
|
void *));
|
|
int hash_table_count PARAMS ((struct hash_table *));
|
|
|
|
unsigned long string_hash PARAMS ((const void *));
|
|
int string_cmp PARAMS ((const void *, const void *));
|
|
struct hash_table *make_string_hash_table PARAMS ((int));
|
|
struct hash_table *make_nocase_string_hash_table PARAMS ((int));
|
|
|
|
#endif /* HASH_H */
|