merges r23160 from trunk into ruby_1_9_1.

--
* string.c (rb_str_dump): buffer length plus one byte for null
  terminator.  [ruby-dev:38294]

* test/ruby/test_m17n.rb (test_str_dump): add a test for above.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@23334 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/string.c b/string.c
index 160335439..8e264d53a 100644
--- a/string.c
+++ b/string.c
@@ -4167,7 +4167,7 @@ rb_str_dump(VALUE str)
 
     result = rb_str_new5(str, 0, len);
     p = RSTRING_PTR(str); pend = p + RSTRING_LEN(str);
-    q = RSTRING_PTR(result); qend = q + len;
+    q = RSTRING_PTR(result); qend = q + len + 1;
 
     *q++ = '"';
     while (p < pend) {