////////////////////////////////////////////////////////////////////////////////
/// @brief markers
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#include "marker.h"

// -----------------------------------------------------------------------------
// --SECTION--                                                  public functions
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @addtogroup VocBase
/// @{
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @brief clones a marker
////////////////////////////////////////////////////////////////////////////////

void TRI_CloneMarker (TRI_df_marker_t* dst,
                      TRI_df_marker_t const* src,
                      TRI_voc_size_t copyLength,
                      TRI_voc_size_t newSize,
                      TRI_voc_tick_t tick) {
  TRI_ASSERT_DEBUG(src != NULL);
  TRI_ASSERT_DEBUG(dst != NULL);
  TRI_ASSERT_DEBUG(copyLength > 0);
  TRI_ASSERT_DEBUG(newSize > 0);
  TRI_ASSERT_DEBUG(tick > 0);

  memcpy(dst, src, copyLength);

  dst->_size = newSize;
  dst->_crc  = 0;
  dst->_tick = tick;
}

////////////////////////////////////////////////////////////////////////////////
/// @brief initialises a marker with the most basic information
////////////////////////////////////////////////////////////////////////////////

void TRI_InitMarker (TRI_df_marker_t* marker,
                     TRI_df_marker_type_e type,
                     TRI_voc_size_t size,
                     TRI_voc_tick_t tick) {
  TRI_ASSERT_DEBUG(marker != NULL);
  TRI_ASSERT_DEBUG(type > TRI_MARKER_MIN && type < TRI_MARKER_MAX);
  TRI_ASSERT_DEBUG(size > 0);
  TRI_ASSERT_DEBUG(tick > 0);

  // initialise the basic byytes
  memset(marker, 0, size);

  marker->_size = size;
  marker->_crc  = 0;
  marker->_type = type;
  marker->_tick = tick;
}

////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////

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