From 934e6b2aeb495686f7fe0d8b1c69d863e6fca072 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Sun, 14 Jul 2019 17:15:44 +0900
Subject: Prefer `rb_error_arity` to `rb_check_arity` when it can be used

---
 file.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'file.c')

diff --git a/file.c b/file.c
index 50d1765d02..15970cb0d3 100644
--- a/file.c
+++ b/file.c
@@ -3219,15 +3219,16 @@ rb_file_s_umask(int argc, VALUE *argv)
 {
     mode_t omask = 0;
 
-    if (argc == 0) {
+    switch (argc) {
+      case 0:
 	omask = umask(0);
 	umask(omask);
-    }
-    else if (argc == 1) {
+        break;
+      case 1:
 	omask = umask(NUM2MODET(argv[0]));
-    }
-    else {
-	rb_check_arity(argc, 0, 1);
+        break;
+      default:
+	rb_error_arity(argc, 0, 1);
     }
     return MODET2NUM(omask);
 }
-- 
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