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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* Copyright (C) 2008-2018 Free Software Foundation, Inc.
Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* This file provides functions converting between the 32 and 64 bit
struct utmp variants. */
#ifndef _UTMPX_CONVERT_H
#define _UTMPX_CONVERT_H 1
#include <string.h>
#include "utmpx32.h"
/* Convert the 64 bit struct utmpx value in FROM to the 32 bit version
returned in TO. */
static inline void
utmpx_convert64to32 (const struct utmpx *from, struct utmpx32 *to)
{
#if _HAVE_UT_TYPE - 0
to->ut_type = from->ut_type;
#endif
#if _HAVE_UT_PID - 0
to->ut_pid = from->ut_pid;
#endif
memcpy (to->ut_line, from->ut_line, __UT_LINESIZE);
memcpy (to->ut_user, from->ut_user, __UT_NAMESIZE);
#if _HAVE_UT_ID - 0
memcpy (to->ut_id, from->ut_id, 4);
#endif
#if _HAVE_UT_HOST - 0
memcpy (to->ut_host, from->ut_host, __UT_HOSTSIZE);
#endif
to->ut_exit = from->ut_exit;
to->ut_session = (int32_t) from->ut_session;
#if _HAVE_UT_TV - 0
to->ut_tv.tv_sec = (int32_t) from->ut_tv.tv_sec;
to->ut_tv.tv_usec = (int32_t) from->ut_tv.tv_usec;
#endif
memcpy (to->ut_addr_v6, from->ut_addr_v6, 4 * 4);
}
/* Convert the 32 bit struct utmpx value in FROM to the 64 bit version
returned in TO. */
static inline void
utmpx_convert32to64 (const struct utmpx32 *from, struct utmpx *to)
{
#if _HAVE_UT_TYPE - 0
to->ut_type = from->ut_type;
#endif
#if _HAVE_UT_PID - 0
to->ut_pid = from->ut_pid;
#endif
memcpy (to->ut_line, from->ut_line, __UT_LINESIZE);
memcpy (to->ut_user, from->ut_user, __UT_NAMESIZE);
#if _HAVE_UT_ID - 0
memcpy (to->ut_id, from->ut_id, 4);
#endif
#if _HAVE_UT_HOST - 0
memcpy (to->ut_host, from->ut_host, __UT_HOSTSIZE);
#endif
to->ut_exit = from->ut_exit;
to->ut_session = (int64_t) from->ut_session;
#if _HAVE_UT_TV - 0
to->ut_tv.tv_sec = (int64_t) from->ut_tv.tv_sec;
to->ut_tv.tv_usec = (int64_t) from->ut_tv.tv_usec;
#endif
memcpy (to->ut_addr_v6, from->ut_addr_v6, 4 * 4);
}
#endif /* utmpx-convert.h */
|
