X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fserialize.h;h=d7b5ec80d564acc0cf5b4e4c0524f1273cbb1a41;hb=6e1e62a04c79a93d124371fa102d7881449b3673;hp=c55775242b083c1773150f9ab824246b875a2d44;hpb=498a2c9b162dd5e7281e80e364eb82f3e2b333cb;p=novacoin.git

diff --git a/src/serialize.h b/src/serialize.h
index c557752..d7b5ec8 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -59,14 +59,17 @@ class CDataStream;
 class CAutoFile;
 static const unsigned int MAX_SIZE = 0x02000000;
 
-static const int VERSION = 32500;
+static const int VERSION = 40400;
 static const char* pszSubVer = "";
 static const bool VERSION_IS_BETA = true;
 
-
-
-
-
+// Used to bypass the rule against non-const reference to temporary
+// where it makes sense with wrappers such as CFlatData or CTxDB
+template<typename T>
+inline T& REF(const T& val)
+{
+    return const_cast<T&>(val);
+}
 
 /////////////////////////////////////////////////////////////////
 //
@@ -825,6 +828,38 @@ struct secure_allocator : public std::allocator<T>
 };
 
 
+//
+// Allocator that clears its contents before deletion.
+//
+template<typename T>
+struct zero_after_free_allocator : public std::allocator<T>
+{
+    // MSVC8 default copy constructor is broken
+    typedef std::allocator<T> base;
+    typedef typename base::size_type size_type;
+    typedef typename base::difference_type  difference_type;
+    typedef typename base::pointer pointer;
+    typedef typename base::const_pointer const_pointer;
+    typedef typename base::reference reference;
+    typedef typename base::const_reference const_reference;
+    typedef typename base::value_type value_type;
+    zero_after_free_allocator() throw() {}
+    zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {}
+    template <typename U>
+    zero_after_free_allocator(const zero_after_free_allocator<U>& a) throw() : base(a) {}
+    ~zero_after_free_allocator() throw() {}
+    template<typename _Other> struct rebind
+    { typedef zero_after_free_allocator<_Other> other; };
+
+    void deallocate(T* p, std::size_t n)
+    {
+        if (p != NULL)
+            memset(p, 0, sizeof(T) * n);
+        std::allocator<T>::deallocate(p, n);
+    }
+};
+
+
 
 //
 // Double ended buffer combining vector and stream-like interfaces.
@@ -834,7 +869,7 @@ struct secure_allocator : public std::allocator<T>
 class CDataStream
 {
 protected:
-    typedef std::vector<char, secure_allocator<char> > vector_type;
+    typedef std::vector<char, zero_after_free_allocator<char> > vector_type;
     vector_type vch;
     unsigned int nReadPos;
     short state;