xref: /original-bsd/usr.bin/mail/getname.c (revision ea3a8ee8)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)getname.c	5.9 (Berkeley) 06/26/92";
10 #endif /* not lint */
11 
12 #include "rcv.h"
13 #include <pwd.h>
14 #include "extern.h"
15 
16 /* Getname / getuserid for those with hashed passwd data base). */
17 
18 /*
19  * Search the passwd file for a uid.  Return name through ref parameter
20  * if found, indicating success with 0 return.  Return -1 on error.
21  */
22 char *
23 getname(uid)
24 	int uid;
25 {
26 	struct passwd *pw;
27 
28 	if ((pw = getpwuid(uid)) == NULL)
29 		return NOSTR;
30 	return pw->pw_name;
31 }
32 
33 /*
34  * Convert the passed name to a user id and return it.  Return -1
35  * on error.
36  */
37 int
38 getuserid(name)
39 	char name[];
40 {
41 	struct passwd *pw;
42 
43 	if ((pw = getpwnam(name)) == NULL)
44 		return -1;
45 	return pw->pw_uid;
46 }
47