1 | /*- |
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2 | * Copyright (c) 1991, 1993, 1994 |
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3 | * The Regents of the University of California. All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 3. All advertising materials mentioning features or use of this software |
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14 | * must display the following acknowledgement: |
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15 | * This product includes software developed by the University of |
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16 | * California, Berkeley and its contributors. |
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17 | * 4. Neither the name of the University nor the names of its contributors |
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18 | * may be used to endorse or promote products derived from this software |
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19 | * without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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31 | * SUCH DAMAGE. |
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32 | * |
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33 | * @(#)extern.h 8.4 (Berkeley) 6/16/94 |
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34 | * $FreeBSD: src/lib/libc/db/hash/extern.h,v 1.3 2002/03/22 09:18:22 obrien Exp $ |
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35 | */ |
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36 | |
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37 | BUFHEAD *__add_ovflpage(HTAB *, BUFHEAD *); |
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38 | int __addel(HTAB *, BUFHEAD *, const DBT *, const DBT *); |
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39 | int __big_delete(HTAB *, BUFHEAD *); |
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40 | int __big_insert(HTAB *, BUFHEAD *, const DBT *, const DBT *); |
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41 | int __big_keydata(HTAB *, BUFHEAD *, DBT *, DBT *, int); |
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42 | int __big_return(HTAB *, BUFHEAD *, int, DBT *, int); |
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43 | int __big_split(HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *, |
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44 | int, __uint32_t, SPLIT_RETURN *); |
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45 | int __buf_free(HTAB *, int, int); |
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46 | void __buf_init(HTAB *, int); |
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47 | __uint32_t __call_hash(HTAB *, char *, int); |
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48 | int __delpair(HTAB *, BUFHEAD *, int); |
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49 | int __expand_table(HTAB *); |
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50 | int __find_bigpair(HTAB *, BUFHEAD *, int, char *, int); |
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51 | __uint16_t __find_last_page(HTAB *, BUFHEAD **); |
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52 | void __free_ovflpage(HTAB *, BUFHEAD *); |
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53 | BUFHEAD *__get_buf(HTAB *, __uint32_t, BUFHEAD *, int); |
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54 | int __get_page(HTAB *, char *, __uint32_t, int, int, int); |
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55 | int __ibitmap(HTAB *, int, int, int); |
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56 | __uint32_t __log2(__uint32_t); |
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57 | int __put_page(HTAB *, char *, __uint32_t, int, int); |
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58 | void __reclaim_buf(HTAB *, BUFHEAD *); |
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59 | int __split_page(HTAB *, __uint32_t, __uint32_t); |
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60 | |
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61 | /* Default hash routine. */ |
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62 | extern __uint32_t (*__default_hash)(const void *, size_t); |
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63 | |
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64 | #ifdef HASH_STATISTICS |
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65 | extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows; |
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66 | #endif |
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