1 files changed, 30 insertions, 0 deletions
diff --git a/tree-walk.h b/tree-walk.h
new file mode 100644
index 0000000000..e57befa4da
--- /dev/null
+++ b/tree-walk.h
@@ -0,0 +1,30 @@
+#ifndef TREE_WALK_H
+#define TREE_WALK_H
+
+struct tree_desc {
+	const void *buf;
+	unsigned long size;
+};
+
+struct name_entry {
+	const unsigned char *sha1;
+	const char *path;
+	unsigned int mode;
+	int pathlen;
+};
+
+void update_tree_entry(struct tree_desc *);
+const unsigned char *tree_entry_extract(struct tree_desc *, const char **, unsigned int *);
+
+/* Helper function that does both of the above and returns true for success */
+int tree_entry(struct tree_desc *, struct name_entry *);
+
+void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
+
+typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
+
+void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
+
+int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
+
+#endif