From 4ce000b9f59753105c3ede25d656b8e4dab3145c Mon Sep 17 00:00:00 2001
From: Milo Yip <miloyip@gmail.com>
Date: Fri, 29 Jan 2016 10:53:33 +0800
Subject: [PATCH] Fix out-of-bound access

---
 include/rapidjson/internal/regex.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/rapidjson/internal/regex.h b/include/rapidjson/internal/regex.h
index 8da60f6..2e5ca58 100644
--- a/include/rapidjson/internal/regex.h
+++ b/include/rapidjson/internal/regex.h
@@ -143,7 +143,12 @@ private:
     public:
         DecodedStream(SourceStream& ss) : ss_(ss), codepoint_() { Decode(); }
         unsigned Peek() { return codepoint_; }
-        unsigned Take() { unsigned c = codepoint_; Decode(); return c; }
+        unsigned Take() {
+            unsigned c = codepoint_;
+            if (c) // No further decoding when '\0'
+                Decode();
+            return c;
+        }
 
     private:
         void Decode() {