Implement = operator for BigInteger

There's a copy constructor, but no '=' operator implemented. This is dangerous.
Tencent · Aug 7, 2015 · c085447 · c085447 · cosinekitty · Aug 13, 2015
1 parent fc50f10
commit c085447
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/include/rapidjson/internal/biginteger.h b/include/rapidjson/internal/biginteger.h
@@ -51,7 +51,14 @@ class BigInteger {
         if (length > 0)
             AppendDecimal64(decimals + i, decimals + i + length);
     }
-
+
+    BigInteger& operator=(const BigInteger &rhs)
+    {
+        count_ = rhs.count_;
+        std::memcpy(digits_, rhs.digits_, count_ * sizeof(Type));
+        return *this;
+    }
+
     BigInteger& operator=(uint64_t u) {
         digits_[0] = u;            
         count_ = 1;