1 files changed, 3 insertions, 6 deletions
diff --git a/src/print.c b/src/print.c
index 156fd1800..6472a4675 100644
--- a/src/print.c
+++ b/src/print.c
@@ -12,14 +12,12 @@ static void
 printstr(mrb_state *mrb, mrb_value obj)
 {
 #ifdef ENABLE_STDIO
-  struct RString *str;
   char *s;
   int len;
 
   if (mrb_string_p(obj)) {
-    str = mrb_str_ptr(obj);
-    s = str->as.heap.ptr;
-    len = str->as.heap.len;
+    s = RSTRING_PTR(obj);
+    len = RSTRING_LEN(obj);
     fwrite(s, len, 1, stdout);
   }
 #endif
@@ -44,8 +42,7 @@ mrb_print_error(mrb_state *mrb)
   mrb_print_backtrace(mrb);
   s = mrb_funcall(mrb, mrb_obj_value(mrb->exc), "inspect", 0);
   if (mrb_string_p(s)) {
-    struct RString *str = mrb_str_ptr(s);
-    fwrite(str->as.heap.ptr, str->as.heap.len, 1, stderr);
+    fwrite(RSTRING_PTR(s), RSTRING_LEN(s), 1, stderr);
     putc('\n', stderr);
   }
 #endif