1/* Copyright (C) 1996-2021 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 <https://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#include <struct___timespec64.h>
25
26
27void
28logwtmp (const char *line, const char *name, const char *host)
29{
30 struct utmp ut;
31
32 /* Set information in new entry. */
33 memset (&ut, 0, sizeof (ut));
34 ut.ut_pid = getpid ();
35 ut.ut_type = name[0] ? USER_PROCESS : DEAD_PROCESS;
36 strncpy (ut.ut_line, line, sizeof ut.ut_line);
37 strncpy (ut.ut_name, name, sizeof ut.ut_name);
38 strncpy (ut.ut_host, host, sizeof ut.ut_host);
39
40 struct __timespec64 ts;
41 __clock_gettime64 (CLOCK_REALTIME, &ts);
42 TIMESPEC_TO_TIMEVAL (&ut.ut_tv, &ts);
43
44 updwtmp (_PATH_WTMP, &ut);
45}
46