From dd8f7a6cfdce76078c1deb3d39e6f95edc1283c1 Mon Sep 17 00:00:00 2001
From: glass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 28 Jul 2013 08:49:25 +0000
Subject: * string.c: add internal API rb_str_locktmp_ensure().

* io.c (io_fread): use rb_str_locktmp_ensure().
  [ruby-core:56121] [Bug #8669]

* test/ruby/test_io.rb: add a test for above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'string.c')

diff --git a/string.c b/string.c
index f101a94c32..e7f9b44324 100644
--- a/string.c
+++ b/string.c
@@ -1871,6 +1871,13 @@ rb_str_unlocktmp(VALUE str)
     return str;
 }
 
+VALUE
+rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg)
+{
+    rb_str_locktmp(str);
+    return rb_ensure(func, arg, rb_str_unlocktmp, str);
+}
+
 void
 rb_str_set_len(VALUE str, long len)
 {
-- 
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