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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include "hashmap.h"
#include "macro.h"
typedef struct Prioq Prioq;
#define PRIOQ_IDX_NULL (UINT_MAX)
Prioq *prioq_new(compare_func_t compare);
Prioq *prioq_free(Prioq *q);
DEFINE_TRIVIAL_CLEANUP_FUNC(Prioq*, prioq_free);
int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func);
int prioq_put(Prioq *q, void *data, unsigned *idx);
int prioq_ensure_put(Prioq **q, compare_func_t compare_func, void *data, unsigned *idx);
int prioq_remove(Prioq *q, void *data, unsigned *idx);
int prioq_reshuffle(Prioq *q, void *data, unsigned *idx);
void *prioq_peek_by_index(Prioq *q, unsigned idx) _pure_;
static inline void *prioq_peek(Prioq *q) {
return prioq_peek_by_index(q, 0);
}
void *prioq_pop(Prioq *q);
#define PRIOQ_FOREACH_ITEM(q, p) \
for (unsigned _i = 0; (p = prioq_peek_by_index(q, _i)); _i++)
unsigned prioq_size(Prioq *q) _pure_;
bool prioq_isempty(Prioq *q) _pure_;
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