projects / apple / libinfo.git / blame
| Commit | Line | Data |
|---|---|---|
| 03fb6eb0 A |
1 | /* |
| 2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| ad21edcc A |
6 | * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights |
| 7 | * Reserved. This file contains Original Code and/or Modifications of | |
| 8 | * Original Code as defined in and that are subject to the Apple Public | |
| 9 | * Source License Version 1.1 (the "License"). You may not use this file | |
| 10 | * except in compliance with the License. Please obtain a copy of the | |
| 11 | * License at http://www.apple.com/publicsource and read it before using | |
| 12 | * this file. | |
| 03fb6eb0 A |
13 | * |
| 14 | * The Original Code and all software distributed under the License are | |
| ad21edcc | 15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 03fb6eb0 A |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| ad21edcc A |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the |
| 19 | * License for the specific language governing rights and limitations | |
| 20 | * under the License. | |
| 03fb6eb0 A |
21 | * |
| 22 | * @APPLE_LICENSE_HEADER_END@ | |
| 23 | */ | |
| 24 | /* | |
| 25 | * Useful memory managment macros | |
| 26 | * Copyright (C) 1989 by NeXT, Inc. | |
| 27 | */ | |
| 28 | #define mm_used() mstats() | |
| 29 | ||
| 30 | #define MM_ALLOC(obj) obj = ((void *)malloc(sizeof(*(obj)))) | |
| 31 | ||
| 32 | #define MM_FREE(obj) free((void *)(obj)) | |
| 33 | ||
| 34 | #define MM_ZERO(obj) bzero((void *)(obj), sizeof(*(obj))) | |
| 35 | ||
| 36 | #define MM_BCOPY(b1, b2, size) bcopy((void *)(b1), (void *)(b2), \ | |
| 37 | (unsigned)(size)) | |
| 38 | ||
| 39 | #define MM_BEQ(b1, b2, size) (bcmp((void *)(b1), (void *)(b2), \ | |
| 40 | (unsigned)(size)) == 0) | |
| 41 | ||
| 42 | #define MM_ALLOC_ARRAY(obj, len) \ | |
| 43 | obj = ((void *)malloc(sizeof(*(obj)) * (len))) | |
| 44 | ||
| 45 | #define MM_ZERO_ARRAY(obj, len) bzero((void *)(obj), sizeof(*obj) * len) | |
| 46 | ||
| 47 | #define MM_FREE_ARRAY(obj, len) free((void *)(obj)) | |
| 48 | ||
| 49 | #define MM_GROW_ARRAY(obj, len) \ | |
| 50 | ((obj == NULL) ? (MM_ALLOC_ARRAY((obj), (len) + 1)) : \ | |
| 51 | (obj = (void *)realloc((void *)(obj), \ | |
| 52 | sizeof(*(obj)) * ((len) + 1)))) | |
| 53 | ||
| 54 | #define MM_SHRINK_ARRAY(obj, len) \ | |
| 55 | obj = (void *)realloc((void *)(obj), \ | |
| 56 | sizeof(*(obj)) * ((len) - 1)) | |
| 57 |