reduce calling of strlen(); #301

1 files changed, 2 insertions, 2 deletions

diff --git a/src/hash.c b/src/hash.c
index 08f906800..7b9ae6a8a 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -904,14 +904,14 @@ inspect_hash(mrb_state *mrb, mrb_value hash, int recur)
 
       str2 = mrb_inspect(mrb, kh_key(h,k));
       mrb_str_append(mrb, str, str2);
-      mrb_str_buf_cat(mrb, str, "=>", strlen("=>"));
+      mrb_str_buf_cat(mrb, str, "=>", sizeof("=>"));
       str2 = mrb_inspect(mrb, kh_value(h,k));
       mrb_str_append(mrb, str, str2);
 
       mrb_gc_arena_restore(mrb, ai);
     }
   }
-  mrb_str_buf_cat(mrb, str, "}", strlen("}"));//mrb_str_buf_cat2(str, "}");
+  mrb_str_buf_cat(mrb, str, "}", sizeof("}"));
 
   return str;
 }