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/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSScoreHeap
 *
 * @brief This source file contains the implementation of
 *   _Heap_Get_information().
 */

/*
 *  COPYRIGHT (c) 1989-2009.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

#include <rtems/score/heapimpl.h>

static bool _Heap_Get_information_visitor(
  const Heap_Block *block RTEMS_UNUSED,
  uintptr_t block_size,
  bool block_is_used,
  void *visitor_arg
)
{
  Heap_Information_block *info_block = visitor_arg;
  Heap_Information *info = block_is_used ?
    &info_block->Used : &info_block->Free;

  ++info->number;
  info->total += block_size;
  if ( info->largest < block_size )
    info->largest = block_size;

  return false;
}

void _Heap_Get_information(
  Heap_Control            *the_heap,
  Heap_Information_block  *the_info
)
{
  memset( the_info, 0, sizeof(*the_info) );
  _Heap_Protection_free_all_delayed_blocks( the_heap );
  _Heap_Iterate( the_heap, _Heap_Get_information_visitor, the_info );
  the_info->Stats = the_heap->stats;
}