1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.3 */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /*LINTLIBRARY*/
28*0Sstevel@tonic-gate #include <stdio.h>
29*0Sstevel@tonic-gate #include <pwd.h>
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate extern char *strcpy(), *getlogin();
32*0Sstevel@tonic-gate extern int getuid();
33*0Sstevel@tonic-gate extern struct passwd *getpwuid();
34*0Sstevel@tonic-gate static char res[L_cuserid];
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate char *
cuserid(s)37*0Sstevel@tonic-gate cuserid(s)
38*0Sstevel@tonic-gate char *s;
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate register struct passwd *pw;
41*0Sstevel@tonic-gate register char *p;
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate if (s == NULL)
44*0Sstevel@tonic-gate s = res;
45*0Sstevel@tonic-gate p = getlogin();
46*0Sstevel@tonic-gate if (p != NULL)
47*0Sstevel@tonic-gate return (strcpy(s, p));
48*0Sstevel@tonic-gate pw = getpwuid(getuid());
49*0Sstevel@tonic-gate endpwent();
50*0Sstevel@tonic-gate if (pw != NULL)
51*0Sstevel@tonic-gate return (strcpy(s, pw->pw_name));
52*0Sstevel@tonic-gate *s = '\0';
53*0Sstevel@tonic-gate return (NULL);
54*0Sstevel@tonic-gate }
55