1*b5745d08Sguenther /* $OpenBSD: extern.h,v 1.9 2016/05/29 20:47:49 guenther Exp $ */ 21b727fc6Smillert 3df930be7Sderaadt /*- 4df930be7Sderaadt * Copyright (c) 1991, 1993, 1994 5df930be7Sderaadt * The Regents of the University of California. All rights reserved. 6df930be7Sderaadt * 7df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 8df930be7Sderaadt * modification, are permitted provided that the following conditions 9df930be7Sderaadt * are met: 10df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 11df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 12df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 13df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 14df930be7Sderaadt * documentation and/or other materials provided with the distribution. 156580fee3Smillert * 3. Neither the name of the University nor the names of its contributors 16df930be7Sderaadt * may be used to endorse or promote products derived from this software 17df930be7Sderaadt * without specific prior written permission. 18df930be7Sderaadt * 19df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29df930be7Sderaadt * SUCH DAMAGE. 30df930be7Sderaadt * 311b727fc6Smillert * @(#)extern.h 8.4 (Berkeley) 6/16/94 32df930be7Sderaadt */ 33df930be7Sderaadt 34bb64080bSguenther __BEGIN_HIDDEN_DECLS 35c72b5b24Smillert BUFHEAD *__add_ovflpage(HTAB *, BUFHEAD *); 36c72b5b24Smillert int __addel(HTAB *, BUFHEAD *, const DBT *, const DBT *); 37c72b5b24Smillert int __big_delete(HTAB *, BUFHEAD *); 38c72b5b24Smillert int __big_insert(HTAB *, BUFHEAD *, const DBT *, const DBT *); 39c72b5b24Smillert int __big_keydata(HTAB *, BUFHEAD *, DBT *, DBT *, int); 40c72b5b24Smillert int __big_return(HTAB *, BUFHEAD *, int, DBT *, int); 41f3c3a9c6Smillert int __big_split(HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *, 42f3c3a9c6Smillert int, u_int32_t, SPLIT_RETURN *); 43c72b5b24Smillert int __buf_free(HTAB *, int, int); 44c72b5b24Smillert void __buf_init(HTAB *, int); 45c72b5b24Smillert u_int32_t __call_hash(HTAB *, char *, int); 46c72b5b24Smillert int __delpair(HTAB *, BUFHEAD *, int); 47c72b5b24Smillert int __expand_table(HTAB *); 48c72b5b24Smillert int __find_bigpair(HTAB *, BUFHEAD *, int, char *, int); 49c72b5b24Smillert u_int16_t __find_last_page(HTAB *, BUFHEAD **); 50c72b5b24Smillert void __free_ovflpage(HTAB *, BUFHEAD *); 51c72b5b24Smillert BUFHEAD *__get_buf(HTAB *, u_int32_t, BUFHEAD *, int); 52c72b5b24Smillert int __get_page(HTAB *, char *, u_int32_t, int, int, int); 53c72b5b24Smillert int __ibitmap(HTAB *, int, int, int); 54c72b5b24Smillert u_int32_t __log2(u_int32_t); 55c72b5b24Smillert int __put_page(HTAB *, char *, u_int32_t, int, int); 56c72b5b24Smillert void __reclaim_buf(HTAB *, BUFHEAD *); 57c72b5b24Smillert int __split_page(HTAB *, u_int32_t, u_int32_t); 58df930be7Sderaadt 59df930be7Sderaadt #ifdef HASH_STATISTICS 60df930be7Sderaadt extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows; 61df930be7Sderaadt #endif 62bb64080bSguenther __END_HIDDEN_DECLS 63