386BSD 0.1 development
[unix-history] / usr / src / usr.bin / mail / getname.c
CommitLineData
4f4122db
WJ
1/*
2 * Copyright (c) 1980 Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static char sccsid[] = "@(#)getname.c 5.8 (Berkeley) 6/1/90";
36#endif /* not lint */
37
38#include <sys/types.h>
39#include <pwd.h>
40
41/*
42 * Getname / getuserid for those with
43 * hashed passwd data base).
44 *
45 */
46
47#include "rcv.h"
48
49/*
50 * Search the passwd file for a uid. Return name through ref parameter
51 * if found, indicating success with 0 return. Return -1 on error.
52 */
53char *
54getname(uid)
55{
56 struct passwd *pw;
57
58 if ((pw = getpwuid(uid)) == NULL)
59 return NOSTR;
60 return pw->pw_name;
61}
62
63/*
64 * Convert the passed name to a user id and return it. Return -1
65 * on error.
66 */
67getuserid(name)
68 char name[];
69{
70 struct passwd *pw;
71
72 if ((pw = getpwnam(name)) == NULL)
73 return -1;
74 return pw->pw_uid;
75}