/usr/include/freeradius/hash.h is in libfreeradius-dev 2.2.8+dfsg-0.1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | #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
*/
#include <freeradius/ident.h>
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(const void *, size_t);
uint32_t fr_hash_update(const void *data, size_t size, uint32_t hash);
uint32_t fr_hash_string(const char *p);
/*
* If you need fewer than 32-bits of hash, use this macro to get
* the number of bits in the hash you need. The upper bits of the
* hash will be set to zero.
*/
uint32_t fr_hash_fold(uint32_t hash, int bits);
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)(const void *);
typedef int (*fr_hash_table_cmp_t)(const void *, const void *);
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 *data);
int fr_hash_table_delete(fr_hash_table_t *ht, const void *data);
void *fr_hash_table_yank(fr_hash_table_t *ht, const void *data);
int fr_hash_table_replace(fr_hash_table_t *ht, void *data);
void *fr_hash_table_finddata(fr_hash_table_t *ht, const void *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);
#ifdef __cplusplus
}
#endif
#endif /* FR_HASH_H */
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