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
20 #include "ohash_int.h"
21
22 void
ohash_init(struct ohash * h,unsigned int size,struct ohash_info * info)23 ohash_init(struct ohash *h, unsigned int size, struct ohash_info *info)
24 {
25 h->size = 1UL << size;
26 if (h->size < MINSIZE)
27 h->size = MINSIZE;
28 #ifdef STATS_HASH
29 STAT_HASH_CREATION++;
30 STAT_HASH_SIZE += h->size;
31 #endif
32 /* Copy info so that caller may free it. */
33 h->info.key_offset = info->key_offset;
34 h->info.halloc = info->halloc;
35 h->info.hfree = info->hfree;
36 h->info.alloc = info->alloc;
37 h->info.data = info->data;
38 h->t = (h->info.halloc)(sizeof(struct _ohash_record) * h->size,
39 h->info.data);
40 h->total = h->deleted = 0;
41 }
42