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/* Root device and inode number checking.
Copyright (C) 2003-2022 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */
#ifndef ROOT_DEV_INO_H
# define ROOT_DEV_INO_H 1
# include "dev-ino.h"
# include "same-inode.h"
struct dev_ino *
get_root_dev_ino (struct dev_ino *root_d_i) _GL_ATTRIBUTE_NONNULL ();
/* 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"), \
quoteaf (Dirname)); \
else \
error (0, 0, \
_("it is dangerous to operate recursively on %s (same as %s)"), \
quoteaf_n (0, Dirname), quoteaf_n (1, "/")); \
error (0, 0, _("use --no-preserve-root to override this failsafe")); \
} \
while (0)
#endif
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