2017-11-18 17:09:20 +01:00
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/* SPDX-License-Identifier: LGPL-2.1+ */
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2013-03-21 02:42:28 +01:00
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#pragma once
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2015-11-30 21:43:37 +01:00
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#include <stdbool.h>
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2013-03-21 02:42:28 +01:00
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#include "hashmap.h"
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2015-11-30 21:43:37 +01:00
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#include "macro.h"
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2013-03-21 02:42:28 +01:00
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typedef struct Prioq Prioq;
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2013-10-10 04:40:28 +02:00
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#define PRIOQ_IDX_NULL ((unsigned) -1)
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2013-03-21 02:42:28 +01:00
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Prioq *prioq_new(compare_func_t compare);
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2015-05-18 23:23:17 +02:00
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Prioq *prioq_free(Prioq *q);
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2018-10-16 15:17:04 +02:00
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DEFINE_TRIVIAL_CLEANUP_FUNC(Prioq*, prioq_free);
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2013-03-21 22:50:25 +01:00
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int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func);
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2013-03-21 02:42:28 +01:00
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int prioq_put(Prioq *q, void *data, unsigned *idx);
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int prioq_remove(Prioq *q, void *data, unsigned *idx);
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int prioq_reshuffle(Prioq *q, void *data, unsigned *idx);
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2019-01-26 11:27:18 +01:00
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void *prioq_peek_by_index(Prioq *q, unsigned idx) _pure_;
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static inline void *prioq_peek(Prioq *q) {
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return prioq_peek_by_index(q, 0);
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}
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2013-03-21 02:42:28 +01:00
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void *prioq_pop(Prioq *q);
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2019-01-26 11:27:18 +01:00
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#define PRIOQ_FOREACH_ITEM(q, p) \
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for (unsigned _i = 0; (p = prioq_peek_by_index(q, _i)); _i++)
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2013-05-03 04:51:50 +02:00
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unsigned prioq_size(Prioq *q) _pure_;
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bool prioq_isempty(Prioq *q) _pure_;
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