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/* $NetBSD: heap.h,v 1.1.1.1 2004/05/20 19:49:41 christos Exp $ */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1997,1999 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
typedef int (*heap_higher_priority_func)(void *, void *);
typedef void (*heap_index_func)(void *, int);
typedef void (*heap_for_each_func)(void *, void *);
typedef struct heap_context {
int array_size;
int array_size_increment;
int heap_size;
void **heap;
heap_higher_priority_func higher_priority;
heap_index_func index;
} *heap_context;
#define heap_new __heap_new
#define heap_free __heap_free
#define heap_insert __heap_insert
#define heap_delete __heap_delete
#define heap_increased __heap_increased
#define heap_decreased __heap_decreased
#define heap_element __heap_element
#define heap_for_each __heap_for_each
heap_context heap_new(heap_higher_priority_func, heap_index_func, int);
int heap_free(heap_context);
int heap_insert(heap_context, void *);
int heap_delete(heap_context, int);
int heap_increased(heap_context, int);
int heap_decreased(heap_context, int);
void * heap_element(heap_context, int);
int heap_for_each(heap_context, heap_for_each_func, void *);
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