diff options
Diffstat (limited to 'gl/lib/root-dev-ino.c')
-rw-r--r-- | gl/lib/root-dev-ino.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gl/lib/root-dev-ino.c b/gl/lib/root-dev-ino.c new file mode 100644 index 000000000..a78541212 --- /dev/null +++ b/gl/lib/root-dev-ino.c @@ -0,0 +1,38 @@ +/* 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; +} |