1 /*
2 * getpw.c - This file is part of the libc-8086/pwd package for ELKS,
3 * Copyright (C) 1995, 1996 Nat Friedman <ndf@linux.mit.edu>.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the Free
17 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 *
19 */
20
21 #include <sys/types.h>
22 #include <errno.h>
23 #include <stdio.h>
24 #include <pwd.h>
25
26 int
getpw(uid_t uid,char * buf)27 getpw(uid_t uid, char *buf)
28 {
29 struct passwd * passwd;
30
31 if (buf==NULL)
32 {
33 errno=EINVAL;
34 return -1;
35 }
36 if ((passwd=getpwuid(uid))==NULL)
37 return -1;
38
39 if (sprintf(buf, "%s:%s:%u:%u:%s:%s:%s", passwd->pw_name, passwd->pw_passwd,
40 passwd->pw_gid, passwd->pw_uid, passwd->pw_gecos,
41 passwd->pw_dir, passwd->pw_shell)<0)
42 {
43 errno=ENOBUFS;
44 return -1;
45 }
46
47 return 0;
48 }
49
50
51
52