From 16f738ecee689c6feb2acb7e4ef4d9bb4144ae7d Mon Sep 17 00:00:00 2001
From: Tomas Bzatek <tbzatek@users.sourceforge.net>
Date: Sun, 8 Jun 2008 11:04:43 +0200
Subject: Initial commit

---
 zip/ZipArchive/ZipAutoBuffer.cpp | 95 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 zip/ZipArchive/ZipAutoBuffer.cpp

(limited to 'zip/ZipArchive/ZipAutoBuffer.cpp')

diff --git a/zip/ZipArchive/ZipAutoBuffer.cpp b/zip/ZipArchive/ZipAutoBuffer.cpp
new file mode 100644
index 0000000..651fb15
--- /dev/null
+++ b/zip/ZipArchive/ZipAutoBuffer.cpp
@@ -0,0 +1,95 @@
+////////////////////////////////////////////////////////////////////////////////
+// This source file is part of the ZipArchive library source distribution and
+// is Copyrighted 2000 - 2007 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); // zerowanie bufora
+		return m_pBuffer;
+	}
+
+	if (iSize > 0)
+	{
+			m_pBuffer = new char [iSize];
+			if (bZeroMemory)
+				memset(m_pBuffer, 0, iSize); // zerowanie bufora
+			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;
+}
-- 
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