sysdeps/unix/sysv/linux/utmp_file.c

   1 /* Copyright (C) 1998, 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <string.h>
  21 #include <unistd.h>
  22
  23 #define TRANSFORM_UTMP_FILE_NAME(file_name) \
  24     ((strcmp (file_name, _PATH_UTMP) == 0 \
  25       && __access (_PATH_UTMP "x", F_OK) == 0) ? (_PATH_UTMP "x") : \
  26      ((strcmp (file_name, _PATH_WTMP) == 0 \
  27        && __access ( _PATH_WTMP "x", F_OK) == 0) ? (_PATH_WTMP "x") : \
  28       ((strcmp (file_name, _PATH_UTMP "x") == 0 \
  29         && __access (_PATH_UTMP "x", F_OK) != 0) ? _PATH_UTMP : \
  30        ((strcmp (file_name, _PATH_WTMP "x") == 0 \
  31          && __access (_PATH_WTMP "x", F_OK) != 0) ? _PATH_WTMP : \
  32         file_name))))
  33
  34 #include <login/utmp_file.c>