1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #include <stdio.h> 28 #include <stdlib.h> 29 #include <sys/types.h> 30 #include <limits.h> 31 32 /* 33 * This file tests for large (2GB and greater) allocations. 34 * 35 * cc -O -o wideload wideload.c -lmtmalloc 36 */ 37 38 main(int argc, char ** argv) 39 { 40 char * foo; 41 char * bar; 42 size_t request = LONG_MAX; 43 44 foo = malloc(0); /* prime the pump */ 45 46 foo = (char *)sbrk(0); 47 printf ("Before big malloc brk is %p request %d\n", foo, request); 48 foo = malloc(request + 100); 49 bar = (char *)sbrk(0); 50 printf ("After big malloc brk is %p\n", bar); 51 } 52