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      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     23 
     24 /*
     25  * Copyright (c) 1992 by Sun Microsystems, Inc.
     26  */
     27 
     28 #include <pwd.h>
     29 #include <stdio.h>
     30 
     31 char *
     32 getlogin()
     33 {
     34 	char *lgn;
     35 
     36 	if ((lgn = (char *)_getlogin()) == NULL) {
     37 		struct passwd *pwd;
     38 		if ((pwd = (struct passwd *)_getpwuid(_getuid())) != NULL)
     39 			return (pwd->pw_name);
     40 	}
     41 	return (lgn);
     42 }
     43