change mrb_warn to get mrb_state and %S formatter

2 files changed, 2 insertions, 2 deletions

diff --git a/mrbgems/mruby-sprintf/src/sprintf.c b/mrbgems/mruby-sprintf/src/sprintf.c
index fed730c74..fb577c1d0 100644
--- a/mrbgems/mruby-sprintf/src/sprintf.c
+++ b/mrbgems/mruby-sprintf/src/sprintf.c
@@ -1070,7 +1070,7 @@ retry:
   if (posarg >= 0 && nextarg < argc) {
     const char *mesg = "too many arguments for format string";
     if (mrb_test(ruby_debug)) mrb_raise(mrb, E_ARGUMENT_ERROR, mesg);
-    if (mrb_test(ruby_verbose)) mrb_warn("%s", mesg);
+    if (mrb_test(ruby_verbose)) mrb_warn(mrb, "%S", mrb_str_new_cstr(mrb, mesg));
   }
 #endif
   mrb_str_resize(mrb, result, blen);
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index 1d4a44e4e..e58394005 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -252,7 +252,7 @@ make_struct(mrb_state *mrb, mrb_value name, mrb_value members, struct RClass * k
       mrb_name_error(mrb, id, "identifier %S needs to be constant", name);
     }
     if (mrb_const_defined_at(mrb, klass, id)) {
-      mrb_warn("redefining constant Struct::%s", mrb_string_value_ptr(mrb, name));
+      mrb_warn(mrb, "redefining constant Struct::%S", name);
       //?rb_mod_remove_const(klass, mrb_sym2name(mrb, id));
     }
     c = mrb_define_class_under(mrb, klass, RSTRING_PTR(name), klass);