The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame^] | 1 | /* $NetBSD: heap.h,v 1.1.1.1 2004/05/20 19:49:41 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") |
| 5 | * Copyright (c) 1997,1999 by Internet Software Consortium. |
| 6 | * |
| 7 | * Permission to use, copy, modify, and distribute this software for any |
| 8 | * purpose with or without fee is hereby granted, provided that the above |
| 9 | * copyright notice and this permission notice appear in all copies. |
| 10 | * |
| 11 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES |
| 12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR |
| 14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 17 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | */ |
| 19 | |
| 20 | typedef int (*heap_higher_priority_func)(void *, void *); |
| 21 | typedef void (*heap_index_func)(void *, int); |
| 22 | typedef void (*heap_for_each_func)(void *, void *); |
| 23 | |
| 24 | typedef struct heap_context { |
| 25 | int array_size; |
| 26 | int array_size_increment; |
| 27 | int heap_size; |
| 28 | void **heap; |
| 29 | heap_higher_priority_func higher_priority; |
| 30 | heap_index_func index; |
| 31 | } *heap_context; |
| 32 | |
| 33 | #define heap_new __heap_new |
| 34 | #define heap_free __heap_free |
| 35 | #define heap_insert __heap_insert |
| 36 | #define heap_delete __heap_delete |
| 37 | #define heap_increased __heap_increased |
| 38 | #define heap_decreased __heap_decreased |
| 39 | #define heap_element __heap_element |
| 40 | #define heap_for_each __heap_for_each |
| 41 | |
| 42 | heap_context heap_new(heap_higher_priority_func, heap_index_func, int); |
| 43 | int heap_free(heap_context); |
| 44 | int heap_insert(heap_context, void *); |
| 45 | int heap_delete(heap_context, int); |
| 46 | int heap_increased(heap_context, int); |
| 47 | int heap_decreased(heap_context, int); |
| 48 | void * heap_element(heap_context, int); |
| 49 | int heap_for_each(heap_context, heap_for_each_func, void *); |