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git-svn-id: http://encfs.googlecode.com/svn/trunk@99 db9cf616-1c43-0410-9cb8-a902689de0d6
96 lines
2.0 KiB
C++
96 lines
2.0 KiB
C++
/*****************************************************************************
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* Author: Valient Gough <vgough@pobox.com>
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*
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*****************************************************************************
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* Copyright (c) 2003, Valient Gough
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MemoryPool_incl_
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#define _MemoryPool_incl_
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#include "base/config.h"
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#include "base/types.h"
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#ifdef WITH_BOTAN
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namespace Botan {
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template <typename T> class SecureVector;
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}
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#endif
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namespace encfs {
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/*
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Memory Pool for fixed sized objects.
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Use SecureMem if storing sensitive information.
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Usage:
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MemBlock mb;
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mb.allocate( size );
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// do things with storage in mb.data
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byte *buffer = mb.data;
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// memblock freed when destructed
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*/
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struct MemBlock
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{
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byte *data;
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int size;
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MemBlock();
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~MemBlock();
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void allocate(int size);
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};
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inline MemBlock::MemBlock()
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: data(0), size(0)
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{
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}
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class SecureMem
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{
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public:
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byte* data() const;
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int size() const;
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explicit SecureMem(int len);
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~SecureMem();
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private:
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#ifdef WITH_BOTAN
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Botan::SecureVector<unsigned char> *data_;
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#else
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byte *data_;
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int size_;
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#endif
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};
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#ifndef WITH_BOTAN
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inline byte* SecureMem::data() const {
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return data_;
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}
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inline int SecureMem::size() const {
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return size_;
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}
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#endif
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bool operator == (const SecureMem &a, const SecureMem &b);
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} // namespace encfs
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#endif
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