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 * $FreeBSD: src/usr.bin/m4/lib/ohash_init.c,v 1.2 2012/11/17 01:54:24 svnexp Exp $ 20 */ 21 22 #include "ohash_int.h" 23 24 void 25 ohash_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