48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/* Root device and inode number checking.
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Copyright (C) 2003-2022 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef ROOT_DEV_INO_H
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# define ROOT_DEV_INO_H 1
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# include "dev-ino.h"
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# include "same-inode.h"
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struct dev_ino *
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get_root_dev_ino (struct dev_ino *root_d_i) _GL_ATTRIBUTE_NONNULL ();
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/* These macros are common to the programs that support the
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--preserve-root and --no-preserve-root options. */
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# define ROOT_DEV_INO_CHECK(Root_dev_ino, Dir_statbuf) \
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(Root_dev_ino && SAME_INODE (*Dir_statbuf, *Root_dev_ino))
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# define ROOT_DEV_INO_WARN(Dirname) \
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do \
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{ \
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if (STREQ (Dirname, "/")) \
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error (0, 0, _("it is dangerous to operate recursively on %s"), \
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quoteaf (Dirname)); \
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else \
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error (0, 0, \
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_("it is dangerous to operate recursively on %s (same as %s)"), \
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quoteaf_n (0, Dirname), quoteaf_n (1, "/")); \
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error (0, 0, _("use --no-preserve-root to override this failsafe")); \
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} \
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while (0)
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#endif
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