1/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published
6 by the Free Software Foundation; version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, see <https://www.gnu.org/licenses/>. */
16
17#ifndef _SIMPLE_HASH_H
18#define _SIMPLE_HASH_H
19
20#include <inttypes.h>
21#include <obstack.h>
22#include <stdint.h>
23
24typedef struct hash_table
25{
26 unsigned long int size;
27 unsigned long int filled;
28 void *first;
29 void *table;
30 struct obstack mem_pool;
31}
32hash_table;
33
34
35extern int init_hash (hash_table *htab, unsigned long int init_size) __THROW;
36extern int delete_hash (hash_table *htab) __THROW;
37extern int insert_entry (hash_table *htab, const void *key, size_t keylen,
38 void *data) __THROW;
39extern int find_entry (const hash_table *htab, const void *key, size_t keylen,
40 void **result) __THROW;
41extern int set_entry (hash_table *htab, const void *key, size_t keylen,
42 void *newval) __THROW;
43
44extern int iterate_table (const hash_table *htab, void **ptr,
45 const void **key, size_t *keylen, void **data)
46 __THROW;
47
48extern uint32_t compute_hashval (const void *key, size_t keylen)
49 __THROW;
50extern unsigned long int next_prime (unsigned long int seed) __THROW;
51
52#endif /* simple-hash.h */
53