xref: /titanic_41/usr/src/lib/libbc/libc/gen/common/getlogin.c (revision ba2e4443695ee6a6f420a35cd4fc3d3346d22932)
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