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#ifndef FR_HASH_H
#define FR_HASH_H
/*
* hash.h Structures and prototypes
* for fast hashing.
*
* Version: $Id$
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Copyright 2005,2006 The FreeRADIUS server project
*/
RCSIDH(hash_h, "$Id$")
#ifdef __cplusplus
extern "C" {
#endif
/*
* Fast hash, which isn't too bad. Don't use for cryptography,
* just for hashing internal data.
*/
uint32_t fr_hash(void const *, size_t);
uint32_t fr_hash_update(void const *data, size_t size, uint32_t hash);
uint32_t fr_hash_string(char const *p);
typedef struct fr_hash_table_t fr_hash_table_t;
typedef void (*fr_hash_table_free_t)(void *);
typedef uint32_t (*fr_hash_table_hash_t)(void const *);
typedef int (*fr_hash_table_cmp_t)(void const *, void const *);
typedef int (*fr_hash_table_walk_t)(void * /* ctx */, void * /* data */);
fr_hash_table_t *fr_hash_table_create(fr_hash_table_hash_t hashNode,
fr_hash_table_cmp_t cmpNode,
fr_hash_table_free_t freeNode);
void fr_hash_table_free(fr_hash_table_t *ht);
int fr_hash_table_insert(fr_hash_table_t *ht, void const *data);
int fr_hash_table_delete(fr_hash_table_t *ht, void const *data);
void *fr_hash_table_yank(fr_hash_table_t *ht, void const *data);
int fr_hash_table_replace(fr_hash_table_t *ht, void const *data);
void *fr_hash_table_finddata(fr_hash_table_t *ht, void const *data);
int fr_hash_table_num_elements(fr_hash_table_t *ht);
int fr_hash_table_walk(fr_hash_table_t *ht,
fr_hash_table_walk_t callback,
void *ctx);
typedef struct fr_hash_entry_s fr_hash_entry_t;
typedef struct fr_hash_iter_s {
uint32_t bucket;
fr_hash_entry_t *node;
} fr_hash_iter_t;
void *fr_hash_table_iter_init(fr_hash_table_t *ht, fr_hash_iter_t *iter);
void *fr_hash_table_iter_next(fr_hash_table_t *ht, fr_hash_iter_t *iter);
#ifdef __cplusplus
}
#endif
#endif /* FR_HASH_H */
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