blob: ca11188aa79830356e7aa221ba7d063259180afb [file] [log] [blame]
Robert Griebl1fca5582002-06-04 20:45:46 +00001/*
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 "busybox.h"
22
23#include <sys/types.h>
24#include <errno.h>
25#include <stdio.h>
26#include "pwd.h"
27
28int getpw(uid_t uid, char *buf)
29{
30 struct passwd *passwd;
31
32 if (buf == NULL) {
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, passwd->pw_dir,
41 passwd->pw_shell) < 0) {
42 errno = ENOBUFS;
43 return -1;
44 }
45
46 return 0;
47}