39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/**
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* @file pqueue.h
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* @brief Implements a priority queue.
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* @note Copyright (c) 2015 Richard Cochran <richardcochran@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA.
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*/
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#ifndef HAVE_PQUEUE_H
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#define HAVE_PQUEUE_H
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struct pqueue;
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struct pqueue *pqueue_create(int max_length,
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int (*compare)(void *a, void *b));
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void pqueue_destroy(struct pqueue *q);
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void *pqueue_extract(struct pqueue *q);
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int pqueue_insert(struct pqueue *q, void *d);
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int pqueue_length(struct pqueue *q);
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void *pqueue_peek(struct pqueue *q);
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#endif
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