1/*	$NetBSD: nbperf.h,v 1.5 2021/01/07 16:03:08 joerg Exp $	*/
2/*-
3 * Copyright (c) 2009 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Joerg Sonnenberger.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in
17 *    the documentation and/or other materials provided with the
18 *    distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#define	NBPERF_MAX_HASH_SIZE	3
35
36struct nbperf {
37	FILE *output;
38	FILE *map_output;
39	const char *hash_name;
40	int static_hash;
41	int allow_hash_fudging;
42	size_t n;
43	const void * __restrict * keys;
44	const size_t *keylens;
45	int check_duplicates, has_duplicates;
46
47	double c;
48
49	size_t hash_size;
50	void (*seed_hash)(struct nbperf *);
51	void (*print_hash)(struct nbperf *, const char *, const char *, const char *,
52	    const char *);
53	void (*compute_hash)(struct nbperf *, const void *, size_t,
54	    uint32_t *);
55	uint32_t seed[1];
56};
57
58int	chm_compute(struct nbperf *);
59int	chm3_compute(struct nbperf *);
60int	bpz_compute(struct nbperf *);
61