hash.c: ensure NUL-terminated for ENV

* hash.c (get_env_cstr): ensure NUL-terminated.
  [ruby-dev:49655] [Bug #12475]
* string.c (rb_str_fill_terminator): return the pointer to the
  NUL-terminated content.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/string.c b/string.c
index 776a4d32ae..09afe05cb1 100644
--- a/string.c
+++ b/string.c
@@ -2048,12 +2048,12 @@ rb_string_value_cstr(volatile VALUE *ptr)
     return s;
 }
 
-void
+char *
 rb_str_fill_terminator(VALUE str, const int newminlen)
 {
     char *s = RSTRING_PTR(str);
     long len = RSTRING_LEN(str);
-    str_fill_term(str, s, len, newminlen);
+    return str_fill_term(str, s, len, newminlen);
 }
 
 VALUE