1 /* $OpenBSD: ohash_enum.c,v 1.3 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_first(struct ohash * h,unsigned int * pos)23 ohash_first(struct ohash *h, unsigned int *pos)
24 {
25 	*pos = 0;
26 	return ohash_next(h, pos);
27 }
28 
29 void *
ohash_next(struct ohash * h,unsigned int * pos)30 ohash_next(struct ohash *h, unsigned int *pos)
31 {
32 	for (; *pos < h->size; (*pos)++)
33 		if (h->t[*pos].p != DELETED && h->t[*pos].p != NULL)
34 			return __UNCONST(h->t[(*pos)++].p);
35 	return NULL;
36 }
37