glibc/sysdeps/unix/sysv/linux/utmp_file.c

34 lines
1.4 KiB
C

/* Copyright (C) 1998-2016 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 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/>. */
#include <string.h>
#include <unistd.h>
#define TRANSFORM_UTMP_FILE_NAME(file_name) \
((strcmp (file_name, _PATH_UTMP) == 0 \
&& __access (_PATH_UTMP "x", F_OK) == 0) ? (_PATH_UTMP "x") : \
((strcmp (file_name, _PATH_WTMP) == 0 \
&& __access ( _PATH_WTMP "x", F_OK) == 0) ? (_PATH_WTMP "x") : \
((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 <login/utmp_file.c>