login/getutmpx.c

   1 /* Copyright (C) 1999-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <string.h>
  19 #include <utmp.h>
  20 #include <utmpx.h>
  21
  22 /* Copy the information in UTMP to UTMPX. */
  23 void
  24 getutmpx (const struct utmp *utmp, struct utmpx *utmpx)
  25 {
  26   memset (utmpx, 0, sizeof (struct utmpx));
  27
  28 #if _HAVE_UT_TYPE - 0
  29   utmpx->ut_type = utmp->ut_type;
  30 #endif
  31 #if _HAVE_UT_PID - 0
  32   utmpx->ut_pid = utmp->ut_pid;
  33 #endif
  34   memcpy (utmpx->ut_line, utmp->ut_line, sizeof (utmp->ut_line));
  35   memcpy (utmpx->ut_user, utmp->ut_user, sizeof (utmp->ut_user));
  36 #if _HAVE_UT_ID - 0
  37   memcpy (utmpx->ut_id, utmp->ut_id, sizeof (utmp->ut_id));
  38 #endif
  39 #if _HAVE_UT_HOST - 0
  40   memcpy (utmpx->ut_host, utmp->ut_host, sizeof (utmp->ut_host));
  41 #endif
  42 #if _HAVE_UT_TV - 0
  43   utmpx->ut_tv = utmp->ut_tv;
  44 #else
  45   utmpx->ut_time = utmp->ut_time;
  46 #endif
  47 }