1 files changed, 4 insertions, 1 deletions
diff --git a/refs.h b/refs.h
index 9dc8aa01d..9cd16f829 100644
--- a/refs.h
+++ b/refs.h
@@ -52,7 +52,10 @@ int for_each_reflog_ent(const char *ref, each_reflog_ent_fn fn, void *cb_data);
  */
 extern int for_each_reflog(each_ref_fn, void *);
 
-/** Returns 0 if target has the right format for a ref. **/
+#define CHECK_REF_FORMAT_OK 0
+#define CHECK_REF_FORMAT_ERROR (-1)
+#define CHECK_REF_FORMAT_ONELEVEL (-2)
+#define CHECK_REF_FORMAT_WILDCARD (-3)
 extern int check_ref_format(const char *target);
 
 /** rename ref, return 0 on success **/