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git.saurik.com Git - apple/libc.git/blob - db/hash/FreeBSD/extern.h
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)extern.h 8.4 (Berkeley) 6/16/94
34 * $FreeBSD: src/lib/libc/db/hash/extern.h,v 1.3 2002/03/22 09:18:22 obrien Exp $
37 BUFHEAD
*__add_ovflpage(HTAB
*, BUFHEAD
*);
38 int __addel(HTAB
*, BUFHEAD
*, const DBT
*, const DBT
*);
39 int __big_delete(HTAB
*, BUFHEAD
*);
40 int __big_insert(HTAB
*, BUFHEAD
*, const DBT
*, const DBT
*);
41 int __big_keydata(HTAB
*, BUFHEAD
*, DBT
*, DBT
*, int);
42 int __big_return(HTAB
*, BUFHEAD
*, int, DBT
*, int);
43 int __big_split(HTAB
*, BUFHEAD
*, BUFHEAD
*, BUFHEAD
*,
44 int, u_int32_t
, SPLIT_RETURN
*);
45 int __buf_free(HTAB
*, int, int);
46 void __buf_init(HTAB
*, int);
47 u_int32_t
__call_hash(HTAB
*, char *, int);
48 int __delpair(HTAB
*, BUFHEAD
*, int);
49 int __expand_table(HTAB
*);
50 int __find_bigpair(HTAB
*, BUFHEAD
*, int, char *, int);
51 u_int16_t
__find_last_page(HTAB
*, BUFHEAD
**);
52 void __free_ovflpage(HTAB
*, BUFHEAD
*);
53 BUFHEAD
*__get_buf(HTAB
*, u_int32_t
, BUFHEAD
*, int);
54 int __get_page(HTAB
*, char *, u_int32_t
, int, int, int);
55 int __ibitmap(HTAB
*, int, int, int);
56 u_int32_t
__log2(u_int32_t
);
57 int __put_page(HTAB
*, char *, u_int32_t
, int, int);
58 void __reclaim_buf(HTAB
*, BUFHEAD
*);
59 int __split_page(HTAB
*, u_int32_t
, u_int32_t
);
61 /* Default hash routine. */
62 extern u_int32_t (*__default_hash
)(const void *, size_t);
64 #ifdef HASH_STATISTICS
65 extern int hash_accesses
, hash_collisions
, hash_expansions
, hash_overflows
;