1/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <string.h>
20#include <sys/time.h>
21#include <time.h>
22#include <unistd.h>
23#include <utmp.h>
24
25
26void
27logwtmp (const char *line, const char *name, const char *host)
28{
29 struct utmp ut;
30
31 /* Set information in new entry. */
32 memset (&ut, 0, sizeof (ut));
33#if _HAVE_UT_PID - 0
34 ut.ut_pid = getpid ();
35#endif
36#if _HAVE_UT_TYPE - 0
37 ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;
38#endif
39 strncpy (ut.ut_line, line, sizeof ut.ut_line);
40 strncpy (ut.ut_name, name, sizeof ut.ut_name);
41#if _HAVE_UT_HOST - 0
42 strncpy (ut.ut_host, host, sizeof ut.ut_host);
43#endif
44
45#if _HAVE_UT_TV - 0
46 struct timeval tv;
47 __gettimeofday (&tv, NULL);
48 ut.ut_tv.tv_sec = tv.tv_sec;
49 ut.ut_tv.tv_usec = tv.tv_usec;
50#else
51 ut.ut_time = time (NULL);
52#endif
53
54 updwtmp (_PATH_WTMP, &ut);
55}
56