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Because the dir_entry_t also has a flag for had links, the regular
node and hard-link node interface can be unified. This simplifies
the users of libfstree (gensquashfs, tar2sqfs) since we can simply
hose the entries from an iterator directly into the tree.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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For regular iterator types, it's a no-op, for the tree iterator,
it skips the sub tree.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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A simple unit test is added that mainly checks for the behavior of
recursing into a sub-tree and only matching the children at the end,
but not reporting the parents that don't match. The behavior is
inteded to immitate the `find` command.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Piece together the prefix path and pass it to the iterator. That way,
we get the full target paths back from the iterator and can use those
directly in the callback for filtering.
We also no longer need the root node for fstree_from_dir (always tree
root) and the callback can no longer return an error state.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Create the directory iterator externally and pass it to fstree_from_dir.
The unit test is also removed, because the heavy lifting is now done
outside the function.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This way, we can remove the discard_node function and simplify the
scan_dir code further.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The logic was previously there to allow recursing into directories
that exist in the fstree and the scanned directory, but not create
new directories. Because the dir_tree_iterator_t supports reporting
contents but not directories (and does DFS), we can simply check if
the parent of the directory exists. Under normal DFS, it must exist,
because we created it earlier. If we are skipping the directory
entries, it only exists if it was there earlier and we can skip
entries that have a non-existant parent, retainint the old behavior.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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It is only used in the glob function, so assemble the path there and
jus tuse fstree_from_dir.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Limited unit testing for the flags is added, particularly the
abillity to recurse into sub-directories, but not report the
parents as individual entries.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Instead of printing out error messages, return an errro ID and match
the behavior with the Windows implementation. Also, don't check first
if the struct stat says it is a link, the readlinkat() system call
will fail if it isn't. Avoid confusing the deputy.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This is also the reason we need to lug around the original directory
path on Windows.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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The single boolean created_implicitly can be replaced with a general
purpose flag field. The "children" pointer can then be hoisted directly
into the data union of tree_node_t.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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If we look at a sub directory, piece totether the full path and open
that instead. This allows us to move the directory open into the scan
function and get rid of the dirfd trickery. Also pull the recusion
step out into the parent function.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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