/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 1998 by Sun Microsystems, Inc. * All rights reserved. */ #pragma ident "%Z%%M% %I% %E% SMI" #include <stdio.h> #include <stdlib.h> #include <sys/types.h> /* * This file tests for 8 bytes alignment on all allocations. * * cc -O -o align align.c -lmtmalloc */ #define N 100 /* big enough to hold results */ main(int argc, char ** argv) { int i = 0; char *bar[N]; while (i < 20) { bar[i] = malloc(1<<i); if ((uintptr_t)bar[i] & 7) { fprintf(stderr, "Address %p is not 8 byte aligned\n", bar[i]); fprintf(stderr, "Allocation size %d\n", 1<<i); } i++; } i = 0; while (i < 20) { free(bar[i]); i++; } }