* regparse.c (parse_exp): fix memory leak.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Jul 30 21:30:08 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* regparse.c (parse_exp): fix memory leak.
+
 Wed Jul 30 21:08:06 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* regparse.c (parse_exp): fix memory leak at Regexp.new("x{1,1}").

regparse.c

@@ -729,7 +729,10 @@ name_add(regex_t* reg, UChar* name, UChar* name_end, int backref, ScanEnv* env)
     CHECK_NULL_RETURN_MEMERR(e);
 
     e->name = strdup_with_null(reg->enc, name, name_end);
-    if (IS_NULL(e->name)) return ONIGERR_MEMORY;
+    if (IS_NULL(e->name)) {
+      xfree(e);
+      return ONIGERR_MEMORY;
+    }
     onig_st_insert_strend(t, e->name, (e->name + (name_end - name)),
                           (HashDataType )e);