summaryrefslogtreecommitdiff
path: root/lib/root-dev-ino.h
diff options
context:
space:
mode:
authorJim Meyering <jim@meyering.net>2003-11-09 21:18:35 +0000
committerJim Meyering <jim@meyering.net>2003-11-09 21:18:35 +0000
commit1130a40962dd2d0e4580469884183f5c7bb86a65 (patch)
treec48e6bf927277b60c8b4795b06851207ca4887f4 /lib/root-dev-ino.h
parent3bd82a1260fb8ad310eccd98abc5b8ca788edacf (diff)
downloadcoreutils-1130a40962dd2d0e4580469884183f5c7bb86a65.tar.xz
*** empty log message ***
Diffstat (limited to 'lib/root-dev-ino.h')
-rw-r--r--lib/root-dev-ino.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/root-dev-ino.h b/lib/root-dev-ino.h
new file mode 100644
index 000000000..000b1979d
--- /dev/null
+++ b/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