| /* $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 *); |