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/* help detect directory cycles efficiently
Copyright (C) 2003, 2004 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 2, 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; see the file COPYING.
If not, write to the Free Software Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Jim Meyering */
#ifndef CYCLE_CHECK_H
# define CYCLE_CHECK_H 1
# if HAVE_INTTYPES_H
# include <inttypes.h>
# endif
# if HAVE_STDINT_H
# include <stdint.h>
# endif
# include <stdbool.h>
# include "dev-ino.h"
struct cycle_check_state
{
struct dev_ino dev_ino;
uintmax_t chdir_counter;
int magic;
};
void cycle_check_init (struct cycle_check_state *state);
bool cycle_check (struct cycle_check_state *state, struct stat const *sb);
#endif
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