Mercurial > illumos > onarm

comparison usr/src/cmd/mailx/getname.c @ 0:c9caec207d52 b86

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
comparison
equal deleted inserted replaced
-1:000000000000 0:c9caec207d52
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) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * University Copyright- Copyright (c) 1982, 1986, 1988
28 * The Regents of the University of California
29 * All Rights Reserved
30 *
31 * University Acknowledgment- Portions of this document are derived from
32 * software developed by the University of California, Berkeley, and its
33 * contributors.
34 */
35
36 #pragma ident "@(#)getname.c 1.13 05/06/08 SMI"
37
38 /*
39 * mailx -- a modified version of a University of California at Berkeley
40 * mail program
41 */
42
43 #include "rcv.h"
44 #include <pwd.h>
45 #ifdef preSVr4
46 extern struct passwd *getpwnam();
47 extern struct passwd *getpwuid();
48 #endif
49
50 /*
51 * Search the passwd file for a uid. Return name through ref parameter
52 * if found, indicating success with 0 return. Return -1 on error.
53 * If -1 is passed as the user id, close the passwd file.
54 */
55
56 int
57 getname(uid_t uid, char namebuf[])
58 {
59 struct passwd *pw;
60
61 if (uid == (uid_t)-1) {
62 endpwent();
63 return(0);
64 }
65 setpwent();
66 pw = getpwuid(uid);
67 if (pw) {
68 strcpy(namebuf, pw->pw_name);
69 return(0);
70 }
71 return(-1);
72 }
73
74 /*
75 * Convert the passed name to a user id and return it. Return -1
76 * on error. Iff the name passed is 0, close the passwd file.
77 */
78
79 uid_t
80 getuserid(char name[])
81 {
82 struct passwd *pw;
83
84 if (name == 0) {
85 endpwent();
86 return(0);
87 }
88 setpwent();
89 pw = getpwnam(name);
90 return pw ? pw->pw_uid : (uid_t)-1;
91 }