// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SERIALIZE_H
#include <map>
#include <set>
#include <cassert>
-#include <climits>
+#include <limits>
#include <cstring>
#include <cstdio>
typedef unsigned long long uint64;
#ifdef WIN32
+#define _WIN32_WINNT 0x0501
#include <windows.h>
// This is used to attempt to keep keying material out of swap
// Note that VirtualLock does not provide this as a guarantee on Windows,
const bool fRead = false; \
unsigned int nSerSize = 0; \
ser_streamplaceholder s; \
+ assert(fGetSize||fWrite||fRead); /* suppress warning */ \
s.nType = nType; \
s.nVersion = nVersion; \
{statements} \
const bool fWrite = true; \
const bool fRead = false; \
unsigned int nSerSize = 0; \
+ assert(fGetSize||fWrite||fRead); /* suppress warning */ \
{statements} \
} \
template<typename Stream> \
const bool fWrite = false; \
const bool fRead = true; \
unsigned int nSerSize = 0; \
+ assert(fGetSize||fWrite||fRead); /* suppress warning */ \
{statements} \
}
-//
-// Wrapper for serializing arrays and POD
-// There's a clever template way to make arrays serialize normally, but MSVC6 doesn't support it
-//
#define FLATDATA(obj) REF(CFlatData((char*)&(obj), (char*)&(obj) + sizeof(obj)))
+
+/** Wrapper for serializing arrays and POD.
+ * There's a clever template way to make arrays serialize normally, but MSVC6 doesn't support it.
+ */
class CFlatData
{
protected:
-//
-// string stored as a fixed length field
-//
+/** string stored as a fixed length field */
template<std::size_t LEN>
class CFixedFieldString
{
};
-
//
-// Double ended buffer combining vector and stream-like interfaces.
-// >> and << read and write unformatted data using the above serialization templates.
-// Fills with data in linear time; some stringstream implementations take N^2 time.
+// 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.
+ *
+ * >> and << read and write unformatted data using the above serialization templates.
+ * Fills with data in linear time; some stringstream implementations take N^2 time.
+ */
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;
-//
-// Automatic closing wrapper for FILE*
-// - Will automatically close the file when it goes out of scope if not null.
-// - If you're returning the file pointer, return file.release().
-// - If you need to close the file early, use file.fclose() instead of fclose(file).
-//
+/** RAII wrapper for FILE*.
+ *
+ * Will automatically close the file when it goes out of scope if not null.
+ * If you're returning the file pointer, return file.release().
+ * If you need to close the file early, use file.fclose() instead of fclose(file).
+ */
class CAutoFile
{
protected: