1 files changed, 51 insertions, 0 deletions
diff --git a/src/pmdk/src/core/fs.h b/src/pmdk/src/core/fs.h
new file mode 100644
index 000000000..2323204ad
--- /dev/null
+++ b/src/pmdk/src/core/fs.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/* Copyright 2017-2020, Intel Corporation */
+
+/*
+ * fs.h -- file system traversal abstraction layer
+ */
+
+#ifndef PMDK_FS_H
+#define PMDK_FS_H 1
+
+#include <unistd.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct fs;
+
+enum fs_entry_type {
+	FS_ENTRY_FILE,
+	FS_ENTRY_DIRECTORY,
+	FS_ENTRY_SYMLINK,
+	FS_ENTRY_OTHER,
+
+	MAX_FS_ENTRY_TYPES
+};
+
+struct fs_entry {
+	enum fs_entry_type type;
+
+	const char *name;
+	size_t namelen;
+
+	const char *path;
+	size_t pathlen;
+	/* the depth of the traversal */
+	/* XXX long on FreeBSD. Linux uses short. No harm in it being bigger */
+	long level;
+};
+
+struct fs *fs_new(const char *path);
+void fs_delete(struct fs *f);
+
+/* this call invalidates the previous entry */
+struct fs_entry *fs_read(struct fs *f);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PMDK_FS_H */