failwide.c revision 2
2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 1998 by Sun Microsystems, Inc.
2N/A * All rights reserved.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include <stdio.h>
2N/A#include <stdlib.h>
2N/A#include <sys/types.h>
2N/A#include <limits.h>
2N/A
2N/A/*
2N/A * This file tests for large (2GB and greater) allocations.
2N/A * this test should fail the second allocation.
2N/A *
2N/A * cc -O -o failwide failwide.c -lmtmalloc
2N/A */
2N/A
2N/Amain(int argc, char ** argv)
2N/A{
2N/A char * foo;
2N/A char * bar;
2N/A size_t request = LONG_MAX;
2N/A
2N/A foo = malloc(request/2); /* prime the pump */
2N/A
2N/A foo = (char *)sbrk(0);
2N/A printf ("Before big malloc brk is %p request %d\n", foo, request);
2N/A foo = malloc(request + request/2);
2N/A bar = (char *)sbrk(0);
2N/A printf ("After big malloc brk is %p, should be the same.\n", bar);
2N/A}