5 * heap.h Structures and prototypes for binary heaps.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * Copyright 2007 Alan DeKok
25 #include <freeradius-devel/ident.h>
26 RCSIDH(heap_h, "$Id$")
32 typedef int (*fr_heap_cmp_t)(const void *, const void *);
34 typedef struct fr_heap_t fr_heap_t;
35 fr_heap_t *fr_heap_create(fr_heap_cmp_t cmp, size_t offset);
36 void fr_heap_delete(fr_heap_t *hp);
38 int fr_heap_insert(fr_heap_t *hp, void *data);
39 int fr_heap_extract(fr_heap_t *hp, void *data);
40 void *fr_heap_peek(fr_heap_t *hp);
41 int fr_heap_num_elements(fr_heap_t *hp);
47 #endif /* LRAD_HEAP_H */