summaryrefslogtreecommitdiff
path: root/reftable/pq.h
blob: e85bac9b52e0039bd378cb1073215af4d48196c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*
Copyright 2020 Google LLC
 
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
 
#ifndef PQ_H
#define PQ_H
 
#include "record.h"
 
struct pq_entry {
	int index;
	struct reftable_record rec;
};
 
struct merged_iter_pqueue {
	struct pq_entry *heap;
	size_t len;
	size_t cap;
};
 
struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq);
int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq);
void merged_iter_pqueue_check(struct merged_iter_pqueue pq);
struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq);
void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry *e);
void merged_iter_pqueue_release(struct merged_iter_pqueue *pq);
int pq_less(struct pq_entry *a, struct pq_entry *b);
 
#endif