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/zlib/zlib.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'ext/zlib')

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index d5a18ddd63..8cec7fbc33 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -3097,9 +3097,7 @@ gzfile_s_open(int argc, VALUE *argv, VALUE klass, const char *mode)
 {
     VALUE io, filename;
 
-    if (argc < 1) {
-	rb_raise(rb_eArgError, "wrong number of arguments (0 for 1)");
-    }
+    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
     filename = argv[0];
     io = rb_file_open_str(filename, mode);
     argv[0] = io;
-- 
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