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Member "tvnserver-2.0.4/http-server-lib/ByteBuffer.cpp" of archive tvnserver-2.0.4-src.zip:

// Copyright (C) 2008, 2009, 2010 GlavSoft LLC.
// All rights reserved.
//
//-------------------------------------------------------------------------
// This file is part of the TightVNC software.  Please visit our Web site:
//
//                       http://www.tightvnc.com/
//
// 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//-------------------------------------------------------------------------
//

#include "ByteBuffer.h"

ByteBuffer::ByteBuffer()
: m_size(0), m_buffer(NULL)
{
}

ByteBuffer::ByteBuffer(const char *buffer, size_t size)
: m_size(0), m_buffer(NULL)
{
  setBytes(buffer, size);
}

ByteBuffer::~ByteBuffer()
{
  releaseBuffer();
}

const char *ByteBuffer::getBytes() const
{
  return m_buffer;
}

size_t ByteBuffer::getSize() const
{
  return m_size;
}

void ByteBuffer::setBytes(const char *buffer, size_t size)
{
  if (size > m_size) {
    releaseBuffer();

    m_buffer = new char[size];
  }

  m_size = size;

  memcpy(m_buffer, buffer, size);
}

void ByteBuffer::appendBytes(const char *buffer, size_t size)
{
  ByteBuffer copy(m_buffer, size);

  releaseBuffer();

  m_buffer = new char[copy.getSize() + size];

  memcpy(m_buffer, copy.getBytes(), copy.getSize());
  memcpy((char *)(m_buffer + copy.getSize()), buffer, size);

  m_size = copy.getSize() + size;
}

void ByteBuffer::releaseBuffer()
{
  if (m_buffer != NULL) {
    delete m_buffer;

    m_buffer = NULL;
  }

  m_size = 0;
}