X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fserialize.h;h=f628510a36e8af5ad0d99fee0ecb45e168f0bfd5;hb=0a1c5c9b104458b3e048c8e3ae5e9f347a5ab399;hp=320ce9d2ae01be2c2144f34140327f5548d9e271;hpb=aec5c5fe26293452d3fe7acf1e4c20830613812c;p=novacoin.git diff --git a/src/serialize.h b/src/serialize.h index 320ce9d..f628510 100644 --- a/src/serialize.h +++ b/src/serialize.h @@ -1,5 +1,5 @@ // 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 @@ -30,7 +30,8 @@ typedef unsigned long long uint64; #define for if (false) ; else for #endif -#ifdef __WXMSW__ +#ifdef WIN32 +#include // This is used to attempt to keep keying material out of swap // Note that VirtualLock does not provide this as a guarantee on Windows, // but, in practice, memory that has been VirtualLock'd almost never gets written to @@ -59,7 +60,7 @@ class CDataStream; class CAutoFile; static const unsigned int MAX_SIZE = 0x02000000; -static const int VERSION = 40100; +static const int VERSION = 50006; static const char* pszSubVer = ""; static const bool VERSION_IS_BETA = true; @@ -98,6 +99,7 @@ enum const bool fRead = false; \ unsigned int nSerSize = 0; \ ser_streamplaceholder s; \ + assert(fGetSize||fWrite||fRead); /* suppress warning */ \ s.nType = nType; \ s.nVersion = nVersion; \ {statements} \ @@ -111,6 +113,7 @@ enum const bool fWrite = true; \ const bool fRead = false; \ unsigned int nSerSize = 0; \ + assert(fGetSize||fWrite||fRead); /* suppress warning */ \ {statements} \ } \ template \ @@ -121,6 +124,7 @@ enum const bool fWrite = false; \ const bool fRead = true; \ unsigned int nSerSize = 0; \ + assert(fGetSize||fWrite||fRead); /* suppress warning */ \ {statements} \ } @@ -828,6 +832,38 @@ struct secure_allocator : public std::allocator }; +// +// Allocator that clears its contents before deletion. +// +template +struct zero_after_free_allocator : public std::allocator +{ + // MSVC8 default copy constructor is broken + typedef std::allocator 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 + zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {} + ~zero_after_free_allocator() throw() {} + template 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::deallocate(p, n); + } +}; + + // // Double ended buffer combining vector and stream-like interfaces. @@ -837,7 +873,7 @@ struct secure_allocator : public std::allocator class CDataStream { protected: - typedef std::vector > vector_type; + typedef std::vector > vector_type; vector_type vch; unsigned int nReadPos; short state;