hashlib.h

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/* {{{ Initial headers */
/*
 * $LastChangedDate: 2003-11-27 01:55:17 +0100 (Thu, 27 Nov 2003) $
 * $LastChangedRevision: 5 $
 * $LastChangedBy: ckruse $
 *
 */
/* }}} */

#ifndef __HASHLIB_H
#define __HASHLIB_H

typedef           u_int32_t  ub4;   
typedef           u_char     ub1;   
#define CF_HASH_SIZE 9

#define CF_HASH_MAX_DOUBLES 5

typedef void (*t_cf_hash_cleanup)(void *);

typedef struct s_cf_hashentry {
  unsigned char *key; 
  size_t keylen; 
  int stat; 
  void *data; 
  ub4 hashval; 
  struct s_cf_hashentry *next;

  struct s_cf_hashentry *prev;
} t_cf_hash_entry;

typedef struct s_cf_hash {
  ub4 tablesize;

  t_cf_hash_cleanup destroy;

  t_cf_hash_entry **table;
} t_cf_hash;

#define hashsize(n) ((ub4)1<<(n))

#define hashmask(n) (hashsize(n)-1)

ub4 lookup(register ub1 *k, register ub4 length, register ub4 level);

t_cf_hash *cf_hash_new(t_cf_hash_cleanup cl);

int cf_hash_set(t_cf_hash *hsh,unsigned char *key,size_t keylen,void *data,size_t datalen);

int cf_hash_set_static(t_cf_hash *hsh,unsigned char *key,size_t keylen,void *data);

void *cf_hash_get(t_cf_hash *hsh,unsigned char *key,size_t keylen);

int cf_hash_entry_delete(t_cf_hash *hsh,unsigned char *key,size_t keylen);

void cf_hash_destroy(t_cf_hash *hsh);

#endif

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