*** empty log message ***

lib/ChangeLog

@@ -1,3 +1,10 @@
+2003-11-09  Jim Meyering  <jim@meyering.net>
+
+	* root-dev-ino.c, root-dev-ino.h: New files.
+	* Makefile.am (libfetish_a_SOURCES): Add root-dev-ino.c root-dev-ino.h.
+
+	* dev-ino.h: Include <sys/types.h> and <sys/stat.h>.
+
 2003-11-06  Jim Meyering  <jim@meyering.net>
 
 	* free.c: New file, from gnulib.

lib/root-dev-ino.h

@@ -0,0 +1,29 @@
+#ifndef ROOT_DEV_INO_H
+# define ROOT_DEV_INO_H 1
+
+# include "dev-ino.h"
+
+struct dev_ino *
+get_root_dev_ino (struct dev_ino *root_d_i);
+
+/* These macros are common to the programs that support the
+   --preserve-root and --no-preserve-root options.  */
+
+# define ROOT_DEV_INO_CHECK(Root_dev_ino, Dir_statbuf) \
+    (Root_dev_ino && SAME_INODE (*Dir_statbuf, *Root_dev_ino))
+
+# define ROOT_DEV_INO_WARN(Dirname)					\
+  do									\
+    {									\
+      if (STREQ (Dirname, "/"))						\
+	error (0, 0, _("it is dangerous to operate recursively on %s"),	\
+	       quote (Dirname));					\
+      else								\
+	error (0, 0,							\
+	       _("it is dangerous to operate recursively on %s (same as %s)"), \
+	       quote_n (0, Dirname), quote_n (1, "/"));			\
+      error (0, 0, _("use --no-preserve-root to override this failsafe")); \
+    }									\
+  while (0)
+
+#endif