lib/root-dev-ino.h

   1 #ifndef ROOT_DEV_INO_H
   2 # define ROOT_DEV_INO_H 1
   3
   4 # include "dev-ino.h"
   5 # include "same-inode.h"
   6
   7 struct dev_ino *
   8 get_root_dev_ino (struct dev_ino *root_d_i);
   9
  10 /* These macros are common to the programs that support the
  11    --preserve-root and --no-preserve-root options.  */
  12
  13 # define ROOT_DEV_INO_CHECK(Root_dev_ino, Dir_statbuf) \
  14     (Root_dev_ino && SAME_INODE (*Dir_statbuf, *Root_dev_ino))
  15
  16 # define ROOT_DEV_INO_WARN(Dirname)                                     \
  17   do                                                                    \
  18     {                                                                   \
  19       if (STREQ (Dirname, "/"))                                         \
  20         error (0, 0, _("it is dangerous to operate recursively on %s"), \
  21                quote (Dirname));                                        \
  22       else                                                              \
  23         error (0, 0,                                                    \
  24                _("it is dangerous to operate recursively on %s (same as %s)"), \
  25                quote_n (0, Dirname), quote_n (1, "/"));                 \
  26       error (0, 0, _("use --no-preserve-root to override this failsafe")); \
  27     }                                                                   \
  28   while (0)
  29
  30 #endif