https://git.ruby-lang.org/ruby.git/commit/?id=62fc81fe12

From 62fc81fe124d4de35153aad5df0dcf21dafdddc6 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Fri, 3 Sep 2021 13:39:47 +0900
Subject: [ruby/cgi] Use Time#strftime

https://github.com/ruby/cgi/commit/caf1d0755d
---
 lib/cgi/util.rb | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/lib/cgi/util.rb b/lib/cgi/util.rb
index 69a252b..55e61bf 100644
--- a/lib/cgi/util.rb
+++ b/lib/cgi/util.rb
@@ -179,21 +179,12 @@ module CGI::Util https://github.com/ruby/ruby/blob/trunk/lib/cgi/util.rb#L179
   # Synonym for CGI.unescapeElement(str)
   alias unescape_element unescapeElement
 
-  # Abbreviated day-of-week names specified by RFC 822
-  RFC822_DAYS = %w[ Sun Mon Tue Wed Thu Fri Sat ]
-
-  # Abbreviated month names specified by RFC 822
-  RFC822_MONTHS = %w[ Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ]
-
   # Format a +Time+ object as a String using the format specified by RFC 1123.
   #
   #   CGI.rfc1123_date(Time.now)
   #     # Sat, 01 Jan 2000 00:00:00 GMT
   def rfc1123_date(time)
-    t = time.clone.gmtime
-    return format("%s, %.2d %s %.4d %.2d:%.2d:%.2d GMT",
-                  RFC822_DAYS[t.wday], t.day, RFC822_MONTHS[t.month-1], t.year,
-                  t.hour, t.min, t.sec)
+    time.getgm.strftime("%a, %d %b %Y %T GMT")
   end
 
   # Prettify (indent) an HTML string.
-- 
cgit v1.1


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