/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Useful memory managment macros * Copyright (C) 1989 by NeXT, Inc. */ #define mm_used() mstats() #define MM_ALLOC(obj) obj = ((void *)malloc(sizeof(*(obj)))) #define MM_FREE(obj) free((void *)(obj)) #define MM_ZERO(obj) bzero((void *)(obj), sizeof(*(obj))) #define MM_BCOPY(b1, b2, size) bcopy((void *)(b1), (void *)(b2), \ (unsigned)(size)) #define MM_BEQ(b1, b2, size) (bcmp((void *)(b1), (void *)(b2), \ (unsigned)(size)) == 0) #define MM_ALLOC_ARRAY(obj, len) \ obj = ((void *)malloc(sizeof(*(obj)) * (len))) #define MM_ZERO_ARRAY(obj, len) bzero((void *)(obj), sizeof(*obj) * len) #define MM_FREE_ARRAY(obj, len) free((void *)(obj)) #define MM_GROW_ARRAY(obj, len) \ ((obj == NULL) ? (MM_ALLOC_ARRAY((obj), (len) + 1)) : \ (obj = (void *)realloc((void *)(obj), \ sizeof(*(obj)) * ((len) + 1)))) #define MM_SHRINK_ARRAY(obj, len) \ obj = (void *)realloc((void *)(obj), \ sizeof(*(obj)) * ((len) - 1))