From 11128435cd10d0c95bebdd513a42a8dcaacf8230 Mon Sep 17 00:00:00 2001
From: Jaeseung Ha <ipknhama@gmail.com>
Date: Sun, 9 Nov 2014 08:10:51 +0900
Subject: fix query_string bug that crashed test

---
 include/query_string.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/include/query_string.h b/include/query_string.h
index d0a93ea..86c99cc 100644
--- a/include/query_string.h
+++ b/include/query_string.h
@@ -245,6 +245,39 @@ namespace crow
 
         }
 
+        query_string(const query_string& qs)
+            : url_(qs.url_)
+        {
+            for(auto p:qs.key_value_pairs_)
+            {
+                key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str()));
+            }
+        }
+
+        query_string& operator = (const query_string& qs)
+        {
+            url_ = qs.url_;
+            key_value_pairs_.clear();
+            for(auto p:qs.key_value_pairs_)
+            {
+                key_value_pairs_.push_back((char*)(p-qs.url_.c_str()+url_.c_str()));
+            }
+            return *this;
+        }
+
+        query_string& operator = (query_string&& qs)
+        {
+            key_value_pairs_ = std::move(qs.key_value_pairs_);
+            char* old_data = (char*)qs.url_.c_str();
+            url_ = std::move(qs.url_);
+            for(auto& p:key_value_pairs_)
+            {
+                p += (char*)url_.c_str() - old_data;
+            }
+            return *this;
+        }
+
+
         query_string(std::string url)
             : url_(std::move(url))
         {
-- 
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