From 898fd2ed2ad13d8c18b6a96304a8ea75ffd96b59 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 25 Oct 2015 00:43:06 +0000
Subject: use rb_check_arity [ci skip]

* ext: use rb_check_arity and rb_error_arity to raise
  ArgumentError.  [Feature #9025]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52275 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/stringio/stringio.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'ext/stringio')

diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
index c57b40fd93..9c23daf0bb 100644
--- a/ext/stringio/stringio.c
+++ b/ext/stringio/stringio.c
@@ -1271,6 +1271,7 @@ strio_read(int argc, VALUE *argv, VALUE self)
     long len;
     int binary = 0;
 
+    rb_check_arity(argc, 0, 2);
     switch (argc) {
       case 2:
 	str = argv[1];
@@ -1307,8 +1308,6 @@ strio_read(int argc, VALUE *argv, VALUE self)
 	    len -= ptr->pos;
 	}
 	break;
-      default:
-	rb_raise(rb_eArgError, "wrong number of arguments (%d for 0)", argc);
     }
     if (NIL_P(str)) {
 	str = strio_substr(ptr, ptr->pos, len);
-- 
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