From 5dc51d821ef76c610d64464d511c34bf6b67e74a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 30 Mar 2015 05:27:21 +0000
Subject: file.c: include terminator

* win32/file.c (rb_readlink): include the terminator, since
  rb_w32_mbstr_to_wstr appends a terminator only when the length
  is not given explicitly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 win32/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/win32/file.c b/win32/file.c
index 0f5b285ff8..6452aadaba 100644
--- a/win32/file.c
+++ b/win32/file.c
@@ -671,7 +671,8 @@ rb_readlink(VALUE path)
 	path = fix_string_encoding(path, enc);
 	cp = CP_UTF8;
     }
-    wpath = mbstr_to_wstr(cp, RSTRING_PTR(path), RSTRING_LEN(path), NULL);
+    wpath = mbstr_to_wstr(cp, RSTRING_PTR(path),
+			  RSTRING_LEN(path)+rb_enc_mbminlen(enc), NULL);
     if (!wpath) rb_memerror();
     len = rb_w32_wreadlink(wpath, wbuf, numberof(wbuf));
     free(wpath);
-- 
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