db_json_allocator.cpp

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/*
 * Copyright 2008 Search Solution Corporation
 * Copyright 2016 CUBRID Corporation
 *
 *  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.
 *
 */

#include "db_json_allocator.hpp"

#include "error_manager.h"
#include "memory_alloc.h"
#include "system_parameter.h"

void *
JSON_PRIVATE_ALLOCATOR::Malloc (size_t size)
{
  if (size)         //  behavior of malloc(0) is implementation defined.
    {
      char *p = (char *) db_private_alloc (NULL, size);
      if (prm_get_bool_value (PRM_ID_JSON_LOG_ALLOCATIONS))
    {
      er_print_callstack (ARG_FILE_LINE, "JSON_ALLOC: Traced pointer=%p\n", p);
    }
      return p;
    }
  else
    {
      return NULL;      // standardize to returning NULL.
    }
}

void *
JSON_PRIVATE_ALLOCATOR::Realloc (void *originalPtr, size_t originalSize, size_t newSize)
{
  (void) originalSize;
  char *p;
  if (newSize == 0)
    {
      db_private_free (NULL, originalPtr);
      return NULL;
    }
  p = (char *) db_private_realloc (NULL, originalPtr, newSize);
  if (prm_get_bool_value (PRM_ID_JSON_LOG_ALLOCATIONS))
    {
      er_print_callstack (ARG_FILE_LINE, "Traced pointer=%p\n", p);
    }
  return p;
}

void
JSON_PRIVATE_ALLOCATOR::Free (void *ptr)
{
  db_private_free (NULL, ptr);
}

const bool JSON_PRIVATE_ALLOCATOR::kNeedFree = true;