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