/*	$OpenBSD: dict.h,v 1.1 2018/12/23 16:06:24 gilles Exp $	*/

/*
 * Copyright (c) 2013 Eric Faurot <eric@openbsd.org>
 * Copyright (c) 2011 Gilles Chehade <gilles@poolp.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef	_DICT_H_
#define	_DICT_H_

SPLAY_HEAD(_dict, dictentry);

struct dict {
	struct _dict	dict;
	size_t		count;
};


/* dict.c */
#define dict_init(d) do { SPLAY_INIT(&((d)->dict)); (d)->count = 0; } while(0)
#define dict_empty(d) SPLAY_EMPTY(&((d)->dict))
#define dict_count(d) ((d)->count)
int dict_check(struct dict *, const char *);
void *dict_set(struct dict *, const char *, void *);
void dict_xset(struct dict *, const char *, void *);
void *dict_get(struct dict *, const char *);
void *dict_xget(struct dict *, const char *);
void *dict_pop(struct dict *, const char *);
void *dict_xpop(struct dict *, const char *);
int dict_poproot(struct dict *, void **);
int dict_root(struct dict *, const char **, void **);
int dict_iter(struct dict *, void **, const char **, void **);
int dict_iterfrom(struct dict *, void **, const char *, const char **, void **);
void dict_merge(struct dict *, struct dict *);

#endif