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/*
 * Copyright 2005-2023 Gentoo Foundation
 * Distributed under the terms of the GNU General Public License v2
 */

#ifndef _SET_H
#define _SET_H 1

#include <stdlib.h>
#include <unistd.h>

#include "xarray.h"

typedef struct elem_t set_elem;
typedef struct set_t set;

struct elem_t {
	char *name;
	unsigned int hash;  /* FNV1a32 */
	void *val;
	set_elem *next;
};

#define _SET_HASH_SIZE 128
struct set_t {
	set_elem *buckets[_SET_HASH_SIZE];
	size_t len;
};

set *create_set(void);
set *add_set(const char *name, set *q);
set *add_set_unique(const char *name, set *q, bool *unique);
set *add_set_value(const char *name, void *ptr, void **prevptr, set *q);
const char *contains_set(const char *name, set *q);
void *get_set(const char *name, set *q);
void *del_set(const char *s, set *q, bool *removed);
size_t list_set(set *q, char ***l);
size_t array_set(set *q, array_t *ret);
size_t values_set(set *q, array_t *ret);
size_t cnt_set(set *q);
void free_set(set *q);
void clear_set(set *q);

#endif