1/*
2 * Copyright (c) 2004-2006 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2006 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36/* @(#) st.h 5.1 89/12/14 */
37
38#ifndef ST_INCLUDED
39#define ST_INCLUDED
40
41#include <stdlib.h>
42
43#ifdef __cplusplus
44#  define BEGIN_C_DECLS extern "C" {
45#  define END_C_DECLS   }
46#else				/* !__cplusplus */
47#  define BEGIN_C_DECLS
48#  define END_C_DECLS
49#endif				/* __cplusplus */
50
51BEGIN_C_DECLS
52#define st_ptr_t unsigned long
53typedef st_ptr_t st_data_t;
54
55#define ST_DATA_T_DEFINED
56
57typedef struct st_table st_table;
58
59struct st_hash_type {
60	int (*compare) (void *, void *);
61	st_ptr_t(*hash) (void *);
62};
63
64struct st_table {
65	struct st_hash_type *type;
66	int num_bins;
67	int num_entries;
68	struct st_table_entry **bins;
69};
70
71#define st_is_member(table,key) st_lookup(table,key,(st_data_t *)0)
72
73enum st_retval { ST_CONTINUE, ST_STOP, ST_DELETE };
74
75st_table *st_init_table(struct st_hash_type *);
76st_table *st_init_table_with_size(struct st_hash_type *, size_t);
77st_table *st_init_numtable(void);
78st_table *st_init_numtable_with_size(size_t);
79st_table *st_init_strtable(void);
80st_table *st_init_strtable_with_size(size_t);
81int st_delete(st_table *, st_data_t *, st_data_t *);
82int st_delete_safe(st_table *, st_data_t *, st_data_t *, st_data_t);
83int st_insert(st_table *, st_data_t, st_data_t);
84int st_lookup(st_table *, st_data_t, st_data_t *);
85void st_foreach(st_table *,
86		int (*)(st_data_t key, st_data_t val, st_data_t arg),
87		st_data_t);
88void st_add_direct(st_table *, st_data_t, st_data_t);
89void st_free_table(st_table *);
90void st_cleanup_safe(st_table *, st_data_t);
91st_table *st_copy(st_table *);
92
93#define ST_NUMCMP	((int (*)()) 0)
94#define ST_NUMHASH	((int (*)()) -2)
95
96#define st_numcmp	ST_NUMCMP
97#define st_numhash	ST_NUMHASH
98
99/* int st_strhash(void); */
100
101END_C_DECLS
102#endif				/* ST_INCLUDED */
103