////////////////////////////////////////////////////////////////////////////////
|
// This source file is part of the ZipArchive library source distribution and
|
// is Copyrighted 2000 - 2011 by Artpol Software - Tadeusz Dracz
|
//
|
// This program is free software; you can redistribute it and/or
|
// modify it under the terms of the GNU General Public License
|
// as published by the Free Software Foundation; either version 2
|
// of the License, or (at your option) any later version.
|
//
|
// For the licensing details refer to the License.txt file.
|
//
|
// Web Site: http://www.artpol-software.com
|
////////////////////////////////////////////////////////////////////////////////
|
|
#include "stdafx.h"
|
#include "ZipAutoBuffer.h"
|
#include <memory.h>
|
|
CZipAutoBuffer::CZipAutoBuffer()
|
{
|
m_iSize = 0;
|
m_pBuffer = NULL;
|
}
|
|
CZipAutoBuffer::CZipAutoBuffer(DWORD iSize, bool bZeroMemory)
|
{
|
m_iSize = 0;
|
m_pBuffer = NULL;
|
Allocate(iSize, bZeroMemory);
|
}
|
|
CZipAutoBuffer::~CZipAutoBuffer()
|
{
|
Release();
|
}
|
|
|
void CZipAutoBuffer::Release()
|
{
|
if (m_pBuffer)
|
{
|
delete [] m_pBuffer;
|
m_iSize = 0;
|
m_pBuffer = NULL;
|
}
|
}
|
|
char* CZipAutoBuffer::Allocate(DWORD iSize, bool bZeroMemory)
|
{
|
if (iSize != m_iSize)
|
Release();
|
else
|
{
|
if (bZeroMemory)
|
memset(m_pBuffer, 0, iSize);
|
return m_pBuffer;
|
}
|
|
if (iSize > 0)
|
{
|
m_pBuffer = new char [iSize];
|
if (bZeroMemory)
|
memset(m_pBuffer, 0, iSize);
|
m_iSize = iSize;
|
}
|
else
|
m_pBuffer = NULL;
|
|
return m_pBuffer;
|
}
|
|
|
CZipAutoBuffer::CZipAutoBuffer(const CZipAutoBuffer& buffer)
|
{
|
m_pBuffer = NULL;
|
m_iSize = 0;
|
|
if (buffer.m_pBuffer)
|
{
|
Allocate(buffer.m_iSize);
|
memcpy(m_pBuffer, buffer.m_pBuffer, buffer.m_iSize);
|
}
|
}
|
CZipAutoBuffer& CZipAutoBuffer::operator=(const CZipAutoBuffer& buffer)
|
{
|
if (this == &buffer)
|
return *this;
|
Release();
|
if (buffer.m_pBuffer)
|
{
|
Allocate(buffer.m_iSize);
|
memcpy(m_pBuffer, buffer.m_pBuffer, buffer.m_iSize);
|
}
|
return *this;
|
}
|