libutil: Add a method to the directory iterator to open a sub directory

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>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/util/dir_iterator.h b/include/util/dir_iterator.h
index 77849e7..4d7607f 100644
--- a/include/util/dir_iterator.h
+++ b/include/util/dir_iterator.h
@@ -29,6 +29,9 @@ typedef struct dir_iterator_t {
 		    dir_entry_t **out);
 
 	int (*read_link)(struct dir_iterator_t *it, char **out);
+
+	int (*open_subdir)(struct dir_iterator_t *it,
+			   struct dir_iterator_t **out);
 } dir_iterator_t;
 
 dir_iterator_t *dir_iterator_create(const char *path);