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67 lines
3.2 KiB
C
67 lines
3.2 KiB
C
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/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)extern.h 8.4 (Berkeley) 6/16/94
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* $FreeBSD: src/lib/libc/db/hash/extern.h,v 1.3 2002/03/22 09:18:22 obrien Exp $
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*/
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BUFHEAD *__add_ovflpage(HTAB *, BUFHEAD *);
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int __addel(HTAB *, BUFHEAD *, const DBT *, const DBT *);
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int __big_delete(HTAB *, BUFHEAD *);
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int __big_insert(HTAB *, BUFHEAD *, const DBT *, const DBT *);
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int __big_keydata(HTAB *, BUFHEAD *, DBT *, DBT *, int);
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int __big_return(HTAB *, BUFHEAD *, int, DBT *, int);
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int __big_split(HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *,
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int, __uint32_t, SPLIT_RETURN *);
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int __buf_free(HTAB *, int, int);
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void __buf_init(HTAB *, int);
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__uint32_t __call_hash(HTAB *, char *, int);
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int __delpair(HTAB *, BUFHEAD *, int);
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int __expand_table(HTAB *);
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int __find_bigpair(HTAB *, BUFHEAD *, int, char *, int);
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__uint16_t __find_last_page(HTAB *, BUFHEAD **);
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void __free_ovflpage(HTAB *, BUFHEAD *);
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BUFHEAD *__get_buf(HTAB *, __uint32_t, BUFHEAD *, int);
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int __get_page(HTAB *, char *, __uint32_t, int, int, int);
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int __ibitmap(HTAB *, int, int, int);
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__uint32_t __log2(__uint32_t);
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int __put_page(HTAB *, char *, __uint32_t, int, int);
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void __reclaim_buf(HTAB *, BUFHEAD *);
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int __split_page(HTAB *, __uint32_t, __uint32_t);
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/* Default hash routine. */
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extern __uint32_t (*__default_hash)(const void *, size_t);
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#ifdef HASH_STATISTICS
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extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows;
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#endif
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