17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*7257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 30*7257d1b4Sraf #include "lint.h" 317c478bd9Sstevel@tonic-gate #include <stdlib.h> 327c478bd9Sstevel@tonic-gate #include <string.h> 337c478bd9Sstevel@tonic-gate #include <errno.h> 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * calloc - allocate and clear memory block 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate void * calloc(size_t num,size_t size)397c478bd9Sstevel@tonic-gatecalloc(size_t num, size_t size) 407c478bd9Sstevel@tonic-gate { 417c478bd9Sstevel@tonic-gate void *mp; 427c478bd9Sstevel@tonic-gate size_t total; 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate if (num == 0 || size == 0) 457c478bd9Sstevel@tonic-gate total = 0; 467c478bd9Sstevel@tonic-gate else { 477c478bd9Sstevel@tonic-gate total = num * size; 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* check for overflow */ 507c478bd9Sstevel@tonic-gate if (total / num != size) { 51*7257d1b4Sraf errno = ENOMEM; 52*7257d1b4Sraf return (0); 537c478bd9Sstevel@tonic-gate } 547c478bd9Sstevel@tonic-gate } 557c478bd9Sstevel@tonic-gate return ((mp = malloc(total)) ? memset(mp, 0, total) : mp); 567c478bd9Sstevel@tonic-gate } 57