/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 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 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ 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, QUIET ENJOYMENT 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))