Method CreateCopy

crengine/src/lvstream.cpp:2962–2990

Creates memory stream as copy of another stream.

	}
    /// Creates memory stream as copy of another stream.
	lverror_t CreateCopy( LVStreamRef srcStream, lvopen_mode_t mode )
	{
		Close();
        if ( mode!=LVOM_READ || srcStream.isNull() )
            return LVERR_FAIL;
        lvsize_t sz = srcStream->GetSize();
        if ( (int)sz <= 0 || sz > 0x200000 )
            return LVERR_FAIL;
		m_bufsize = sz;
		m_size = 0;
		m_pos = 0;
		m_pBuffer = (lUInt8*)malloc((int)m_bufsize);
		if (m_pBuffer) {
            lvsize_t bytesRead = 0;
            srcStream->Read( m_pBuffer, m_bufsize, &bytesRead );
            if ( bytesRead!=m_bufsize ) {
                free(m_pBuffer);
                m_pBuffer = 0;
                m_size = 0;
                m_pos = 0;
                m_bufsize = 0;
                return LVERR_FAIL;
            }
		}
        m_size = sz;
		m_own_buffer = true;
		m_mode = mode;
		return LVERR_OK;
	}


	lverror_t CreateCopy( const lUInt8 * pBuf, lvsize_t size, lvopen_mode_t mode )