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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1999 by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /* return the non-null environment value or the default argument */ 34 35 #include <stdlib.h> 36 #include <stdio.h> 37 38 char * 39 mygetenv(char *variable, char *deflt) 40 { 41 char *value; 42 43 value = getenv(variable); 44 if (value == (char *)NULL || *value == '\0') { 45 return (deflt); 46 } 47 return (value); 48 } 49