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/* root-dev-ino.c -- get the device and inode numbers for `/'.
Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Jim Meyering. */
#include <config.h>
#include "root-dev-ino.h"
#include <stdlib.h>
/* Call lstat to get the device and inode numbers for `/'.
Upon failure, return NULL. Otherwise, set the members of
*ROOT_D_I accordingly and return ROOT_D_I. */
struct dev_ino *
get_root_dev_ino (struct dev_ino *root_d_i)
{
struct stat statbuf;
if (lstat ("/", &statbuf))
return NULL;
root_d_i->st_ino = statbuf.st_ino;
root_d_i->st_dev = statbuf.st_dev;
return root_d_i;
}
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