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authorJim Meyering <jim@meyering.net>2003-11-09 21:16:27 +0000
committerJim Meyering <jim@meyering.net>2003-11-09 21:16:27 +0000
commit3bd82a1260fb8ad310eccd98abc5b8ca788edacf (patch)
tree7061218b5b5fa0826b7e5f46dd1a000503f95e54 /lib
parent97cac0c9aec84c145b4ba9147ce3488be06b1253 (diff)
downloadcoreutils-3bd82a1260fb8ad310eccd98abc5b8ca788edacf.tar.xz
*** empty log message ***
Diffstat (limited to 'lib')
-rw-r--r--lib/root-dev-ino.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/root-dev-ino.c b/lib/root-dev-ino.c
new file mode 100644
index 000000000..dc4614a84
--- /dev/null
+++ b/lib/root-dev-ino.c
@@ -0,0 +1,39 @@
+/* root-dev-ino.c -- get the device and inode numbers for `/'.
+ Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Written by Jim Meyering. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+#include "root-dev-ino.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;
+}