login/programs/xtmp.h

   1 /* The `struct xtmp' type, describing the old linux utmp format.
   2    Copyright (C) 1997 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef _XTMP_H
  22 #define _XTMP_H         1
  23
  24 #include <sys/time.h>
  25 #include <sys/types.h>
  26
  27
  28 #define XT_LINESIZE     12
  29 #define XT_NAMESIZE     8
  30 #define XT_HOSTSIZE     16
  31
  32 struct xtmp
  33 {
  34   short int xt_type;            /* Type of login.  */
  35   pid_t xt_pid;                 /* Pid of login process.  */
  36   char  xt_line[XT_LINESIZE];   /* NUL-terminated devicename of tty.  */
  37   char  xt_id[4];               /* Inittab id.  */
  38   time_t xt_time;               /* Time entry was made.  */
  39   char  xt_user[XT_NAMESIZE];   /* Username (not NUL terminated).  */
  40   char  xt_host[XT_HOSTSIZE];   /* Hostname for remote login.  */
  41   long  xt_addr;                /* Internet adress of remote host.  */
  42 };
  43
  44 #define _HAVE_XT_TYPE   1
  45 #define _HAVE_XT_PID    1
  46 #define _HAVE_XT_ID     1
  47 #define _HAVE_XT_HOST   1
  48
  49
  50 extern void xtmp_to_utmp (const struct xtmp *xtmp, struct utmp *utmp);
  51 extern void utmp_to_xtmp (const struct utmp *utmp, struct xtmp *xtmp);
  52 extern int compare_entry (const struct utmp *xtmp,
  53                           const struct utmp *utmp);
  54
  55 #endif /* xtmp.h  */