1/* $OpenBSD: ohash_init.c,v 1.2 2004/06/22 20:00:16 espie Exp $ */
2/* ex:ts=8 sw=4:
3 */
4
5/* Copyright (c) 1999, 2004 Marc Espie <espie@openbsd.org>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19#include <sys/cdefs.h>
20__FBSDID("$FreeBSD: releng/10.3/usr.bin/m4/lib/ohash_init.c 228063 2011-11-28 13:32:39Z bapt $");
21
22#include "ohash_int.h"
23
24void
25ohash_init(struct ohash *h, unsigned int size, struct ohash_info *info)
26{
27	h->size = 1UL << size;
28	if (h->size < MINSIZE)
29		h->size = MINSIZE;
30#ifdef STATS_HASH
31	STAT_HASH_CREATION++;
32	STAT_HASH_SIZE += h->size;
33#endif
34	/* Copy info so that caller may free it.  */
35	h->info.key_offset = info->key_offset;
36	h->info.halloc = info->halloc;
37	h->info.hfree = info->hfree;
38	h->info.alloc = info->alloc;
39	h->info.data = info->data;
40	h->t = (h->info.halloc)(sizeof(struct _ohash_record) * h->size,
41	    h->info.data);
42	h->total = h->deleted = 0;
43}
44