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      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 (at) 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
     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