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
26int getpw(uid_t uid, char *buf)
27{
28	struct passwd *passwd;
29
30	if (buf == NULL) {
31		errno = EINVAL;
32		return -1;
33	}
34	if ((passwd = getpwuid(uid)) == NULL)
35		return -1;
36
37	if (sprintf (buf, "%s:%s:%u:%u:%s:%s:%s", passwd->pw_name, passwd->pw_passwd,
38		 passwd->pw_gid, passwd->pw_uid, passwd->pw_gecos, passwd->pw_dir,
39		 passwd->pw_shell) < 0) {
40		errno = ENOBUFS;
41		return -1;
42	}
43
44	return 0;
45}
46