1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <string.h>
#include <utmp.h>
#include <sys/time.h>
int
logout (const char *line)
{
struct utmp tmp, utbuf;
struct utmp *ut;
int result = 0;
/* Tell that we want to use the UTMP file. */
if (utmpname (_PATH_UTMP) == 0)
return 0;
/* Open UTMP file. */
setutent ();
/* Fill in search information. */
#if _HAVE_UT_TYPE - 0
tmp.ut_type = USER_PROCESS;
#endif
strncpy (tmp.ut_line, line, sizeof tmp.ut_line);
/* Read the record. */
if (getutline_r (&tmp, &utbuf, &ut) >= 0)
{
/* Clear information about who & from where. */
bzero (ut->ut_name, sizeof ut->ut_name);
#if _HAVE_UT_HOST - 0
bzero (ut->ut_host, sizeof ut->ut_host);
#endif
#if _HAVE_UT_TV - 0
gettimeofday (&ut->ut_tv, NULL);
#else
time (&ut->ut_time);
#endif
#if _HAVE_UT_TYPE - 0
ut->ut_type = DEAD_PROCESS;
#endif
if (pututline (ut) != NULL)
result = 1;
}
/* Close UTMP file. */
endutent ();
return result;
}
|
