merge-trees: let caller decide whether to renormalize

diff --git a/fsck.h b/fsck.h
index 008456b675b6e5c8a5a07e0b8628a41e3acc733a..1e4f527318ea4b4d701a27e08d68f3551173f176 100644 (file)
--- a/fsck.h
+++ b/fsck.h
@@ -17,6 +17,7 @@ typedef int (*fsck_walk_func)(struct object *obj, int type, void *data);
 /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
 typedef int (*fsck_error)(struct object *obj, int type, const char *err, ...);
 
+__attribute__((format (printf, 3, 4)))
 int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
 
 /* descend in all linked child objects