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1 | /* Copyright (C) 1996-2015 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 | ||
26 | void | |
27 | logwtmp (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 | } |