glibc/sysdeps/gnu/updwtmp.c

/* Copyright (C) 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <string.h>
#include <unistd.h>

#define TRANSFORM_UTMP_FILE_NAME(file_name) \
    ((strcmp (file_name, _PATH_UTMP "x") == 0 \
      && __access (_PATH_UTMP "x", F_OK) != 0) ? _PATH_UTMP : \
     ((strcmp (file_name, _PATH_WTMP "x") == 0 \
       && __access (_PATH_WTMP "x", F_OK) != 0) ? _PATH_WTMP : \
      file_name))

#include <sysdeps/generic/updwtmp.c>