1228063Sbapt/* $OpenBSD: ohash_init.c,v 1.2 2004/06/22 20:00:16 espie Exp $ */ 2228063Sbapt/* ex:ts=8 sw=4: 3228063Sbapt */ 4228063Sbapt 5228063Sbapt/* Copyright (c) 1999, 2004 Marc Espie <espie@openbsd.org> 6228063Sbapt * 7228063Sbapt * Permission to use, copy, modify, and distribute this software for any 8228063Sbapt * purpose with or without fee is hereby granted, provided that the above 9228063Sbapt * copyright notice and this permission notice appear in all copies. 10228063Sbapt * 11228063Sbapt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12228063Sbapt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13228063Sbapt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14228063Sbapt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15228063Sbapt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16228063Sbapt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17228063Sbapt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18228063Sbapt */ 19228063Sbapt#include <sys/cdefs.h> 20228063Sbapt__FBSDID("$FreeBSD$"); 21228063Sbapt 22228063Sbapt#include "ohash_int.h" 23228063Sbapt 24228063Sbaptvoid 25228063Sbaptohash_init(struct ohash *h, unsigned int size, struct ohash_info *info) 26228063Sbapt{ 27228063Sbapt h->size = 1UL << size; 28228063Sbapt if (h->size < MINSIZE) 29228063Sbapt h->size = MINSIZE; 30228063Sbapt#ifdef STATS_HASH 31228063Sbapt STAT_HASH_CREATION++; 32228063Sbapt STAT_HASH_SIZE += h->size; 33228063Sbapt#endif 34228063Sbapt /* Copy info so that caller may free it. */ 35228063Sbapt h->info.key_offset = info->key_offset; 36228063Sbapt h->info.halloc = info->halloc; 37228063Sbapt h->info.hfree = info->hfree; 38228063Sbapt h->info.alloc = info->alloc; 39228063Sbapt h->info.data = info->data; 40228063Sbapt h->t = (h->info.halloc)(sizeof(struct _ohash_record) * h->size, 41228063Sbapt h->info.data); 42228063Sbapt h->total = h->deleted = 0; 43228063Sbapt} 44