/* The `struct utmp' type, describing entries in the utmp file.

   Copyright (C) 1993-2019 Free Software Foundation, Inc.

   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/>.  */

#ifndef _UTMP_H

# error "Never include <bits/utmp.h> directly; use <utmp.h> instead."

#endif

#include <paths.h>

#include <sys/time.h>

#include <sys/types.h>

#include <bits/wordsize.h>

#define UT_LINESIZE	32

#define UT_NAMESIZE	32

#define UT_HOSTSIZE	256

/* The structure describing an entry in the database of

   previous logins.  */

struct lastlog

  {

#if __WORDSIZE_TIME64_COMPAT32

    int32_t ll_time;

#else

    __time_t ll_time;

#endif

    char ll_line[UT_LINESIZE];

    char ll_host[UT_HOSTSIZE];

  };

/* The structure describing the status of a terminated process.  This

   type is used in `struct utmp' below.  */

struct exit_status

  {

    short int e_termination;	/* Process termination status.  */

    short int e_exit;		/* Process exit status.  */

  };

/* The structure describing an entry in the user accounting database.  */

struct utmp

{

  short int ut_type;		/* Type of login.  */

  pid_t ut_pid;			/* Process ID of login process.  */

  char ut_line[UT_LINESIZE]

    __attribute_nonstring__;	/* Devicename.  */

  char ut_id[4]

    __attribute_nonstring__;	/* Inittab ID.  */

  char ut_user[UT_NAMESIZE]

    __attribute_nonstring__;	/* Username.  */

  char ut_host[UT_HOSTSIZE]

    __attribute_nonstring__;	/* Hostname for remote login.  */

  struct exit_status ut_exit;	/* Exit status of a process marked

				   as DEAD_PROCESS.  */

/* The ut_session and ut_tv fields must be the same size when compiled

   32- and 64-bit.  This allows data files and shared memory to be

   shared between 32- and 64-bit applications.  */

#if __WORDSIZE_TIME64_COMPAT32

  int32_t ut_session;		/* Session ID, used for windowing.  */

  struct

  {

    int32_t tv_sec;		/* Seconds.  */

    int32_t tv_usec;		/* Microseconds.  */

  } ut_tv;			/* Time entry was made.  */

#else

  long int ut_session;		/* Session ID, used for windowing.  */

  struct timeval ut_tv;		/* Time entry was made.  */

#endif

  int32_t ut_addr_v6[4];	/* Internet address of remote host.  */

  char __glibc_reserved[20];		/* Reserved for future use.  */

};

/* Backwards compatibility hacks.  */

#define ut_name		ut_user

#ifndef _NO_UT_TIME

/* We have a problem here: `ut_time' is also used otherwise.  Define

   _NO_UT_TIME if the compiler complains.  */

# define ut_time	ut_tv.tv_sec

#endif

#define ut_xtime	ut_tv.tv_sec

#define ut_addr		ut_addr_v6[0]

/* Values for the `ut_type' field of a `struct utmp'.  */

#define EMPTY		0	/* No valid user accounting information.  */

#define RUN_LVL		1	/* The system's runlevel.  */

#define BOOT_TIME	2	/* Time of system boot.  */

#define NEW_TIME	3	/* Time after system clock changed.  */

#define OLD_TIME	4	/* Time when system clock changed.  */

#define INIT_PROCESS	5	/* Process spawned by the init process.  */

#define LOGIN_PROCESS	6	/* Session leader of a logged in user.  */

#define USER_PROCESS	7	/* Normal process.  */

#define DEAD_PROCESS	8	/* Terminated process.  */

#define ACCOUNTING	9

/* Old Linux name for the EMPTY type.  */

#define UT_UNKNOWN	EMPTY

/* Tell the user that we have a modern system with UT_HOST, UT_PID,

   UT_TYPE, UT_ID and UT_TV fields.  */

#define _HAVE_UT_TYPE	1

#define _HAVE_UT_PID	1

#define _HAVE_UT_ID	1

#define _HAVE_UT_TV	1

#define _HAVE_UT_HOST	1