From ca7431965b41da76a9d63024b325edc2d127e97e Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 18 Apr 2013 06:11:31 +0000
Subject: Increase capacity for skipping paddings

fix for r40342

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40343 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

diff --git a/pack.c b/pack.c
index 0a37d8d..e6ea8a9 100644
--- a/pack.c
+++ b/pack.c
@@ -1941,7 +1941,7 @@ pack_unpack(VALUE str, VALUE fmt)
 
 	  case 'm':
 	    {
-		VALUE buf = infected_str_new(0, (send - s)*3/4, str);
+		VALUE buf = infected_str_new(0, (send - s + 2)*3/4, str); /* +2 is for skipping paddings */
 		char *ptr = RSTRING_PTR(buf);
 		int a = -1,b = -1,c = 0,d = 0;
 		static signed char b64_xtable[256];
-- 
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