Move directory iterator from libutil to libio

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 47 insertions, 0 deletions

diff --git a/include/io/dir_iterator.h b/include/io/dir_iterator.h
new file mode 100644
index 0000000..7080d65
--- /dev/null
+++ b/include/io/dir_iterator.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * dir_iterator.h
+ *
+ * Copyright (C) 2023 David Oberhollenzer <goliath@infraroot.at>
+ */
+#ifndef IO_DIR_ITERATOR_H
+#define IO_DIR_ITERATOR_H
+
+#include "sqfs/predef.h"
+
+typedef struct {
+	sqfs_s64 mtime;
+	sqfs_u64 dev;
+	sqfs_u64 rdev;
+	sqfs_u32 uid;
+	sqfs_u32 gid;
+	sqfs_u16 mode;
+
+	char name[];
+} dir_entry_t;
+
+typedef struct dir_iterator_t {
+	sqfs_object_t obj;
+
+	sqfs_u64 dev;
+
+	int (*next)(struct dir_iterator_t *it,
+		    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;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+dir_iterator_t *dir_iterator_create(const char *path);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IO_DIR_ITERATOR_H */