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diff --git a/Utilities/cmlibarchive/tar/tree.h b/Utilities/cmlibarchive/tar/tree.h
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index a99edf2..0000000
--- a/Utilities/cmlibarchive/tar/tree.h
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-/*-
- * Copyright (c) 2003-2007 Tim Kientzle
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD: src/usr.bin/tar/tree.h,v 1.4 2008/11/27 05:49:52 kientzle Exp $
- */
-
-/*-
- * A set of routines for traversing directory trees.
- * Similar in concept to the fts library, but with a few
- * important differences:
- *    * Uses less memory.  In particular, fts stores an entire directory
- *      in memory at a time.  This package only keeps enough subdirectory
- *      information in memory to track the traversal.  Information
- *      about non-directories is discarded as soon as possible.
- *    * Supports very deep logical traversals.  The fts package
- *      uses "non-chdir" approach for logical traversals.  This
- *      package does use a chdir approach for logical traversals
- *      and can therefore handle pathnames much longer than PATH_MAX.
- *    * Supports deep physical traversals "out of the box."
- *      Due to the memory optimizations above, there's no need to
- *      limit dir names to 32k.
- */
-
-#include <sys/stat.h>
-#include <stdio.h>
-
-struct tree;
-
-/* Initiate/terminate a tree traversal. */
-struct tree *tree_open(const char * /* pathname */);
-void tree_close(struct tree *);
-
-/*
- * tree_next() returns Zero if there is no next entry, non-zero if
- * there is.  Note that directories are visited three times.
- * Directories are always visited first as part of enumerating their
- * parent; that is a "regular" visit.  If tree_descend() is invoked at
- * that time, the directory is added to a work list and will
- * subsequently be visited two more times: once just after descending
- * into the directory ("postdescent") and again just after ascending
- * back to the parent ("postascent").
- *
- * TREE_ERROR_DIR is returned if the descent failed (because the
- * directory couldn't be opened, for instance).  This is returned
- * instead of TREE_POSTDESCENT/TREE_POSTASCENT.  TREE_ERROR_DIR is not a
- * fatal error, but it does imply that the relevant subtree won't be
- * visited.  TREE_ERROR_FATAL is returned for an error that left the
- * traversal completely hosed.  Right now, this is only returned for
- * chdir() failures during ascent.
- */
-#define TREE_REGULAR    1
-#define TREE_POSTDESCENT    2
-#define TREE_POSTASCENT 3
-#define TREE_ERROR_DIR  -1
-#define TREE_ERROR_FATAL -2
-
-int tree_next(struct tree *);
-
-/* Errno value associated with the last traversal error. */
-int tree_errno(struct tree *);
-
-/*
- * Request that current entry be visited.  If you invoke it on every
- * directory, you'll get a physical traversal.  This is ignored if the
- * current entry isn't a directory or a link to a directory.  So, if
- * you invoke this on every returned path, you'll get a full logical
- * traversal.
- */
-void tree_descend(struct tree *);
-
-/*
- * Return information about the current entry.
- */
-
-/* Current depth in the traversal. */
-int tree_current_depth(struct tree *);
-
-/*
- * The current full pathname, length of the full pathname, and a name
- * that can be used to access the file.  Because tree does use chdir
- * extensively, the access path is almost never the same as the full
- * current path.
- *
- * TODO: Flesh out this interface to provide other information.  In
- * particular, Windows can provide file size, mode, and some permission
- * information without invoking stat() at all.
- *
- * TODO: On platforms that support it, use openat()-style operations
- * to eliminate the chdir() operations entirely while still supporting
- * arbitrarily deep traversals.  This makes access_path troublesome to
- * support, of course, which means we'll need a rich enough interface
- * that clients can function without it.  (In particular, we'll need
- * tree_current_open() that returns an open file descriptor.)
- *
- * TODO: Provide tree_current_archive_entry().
- */
-const char *tree_current_path(struct tree *);
-size_t tree_current_pathlen(struct tree *);
-const char *tree_current_access_path(struct tree *);
-
-/*
- * Request the lstat() or stat() data for the current path.  Since the
- * tree package needs to do some of this anyway, and caches the
- * results, you should take advantage of it here if you need it rather
- * than make a redundant stat() or lstat() call of your own.
- */
-const struct stat *tree_current_stat(struct tree *);
-const struct stat *tree_current_lstat(struct tree *);
-
-/* The following functions use tricks to avoid a certain number of
- * stat()/lstat() calls. */
-/* "is_physical_dir" is equivalent to S_ISDIR(tree_current_lstat()->st_mode) */
-int tree_current_is_physical_dir(struct tree *);
-/* "is_physical_link" is equivalent to S_ISLNK(tree_current_lstat()->st_mode) */
-int tree_current_is_physical_link(struct tree *);
-/* "is_dir" is equivalent to S_ISDIR(tree_current_stat()->st_mode) */
-int tree_current_is_dir(struct tree *);
-
-/* For testing/debugging: Dump the internal status to the given filehandle. */
-void tree_dump(struct tree *, FILE *);