/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file memoryInfo.I
 * @author drose
 * @date 2001-06-04
 */

/**
 * Returns the data pointer as a void pointer.  This should always be non-
 * NULL.
 */
void *MemoryInfo::get_void_ptr() const {
  if (_void_ptr != nullptr) {
    return _void_ptr;
  }
  if (_ref_ptr == nullptr) {
    return _typed_ptr;
  }
  if (_typed_ptr == nullptr) {
    return _ref_ptr;
  }
  return ((void *)_ref_ptr < (void *)_typed_ptr) ? (void *)_ref_ptr : (void *)_typed_ptr;
}

/**
 * Returns the data pointer as a ReferenceCount pointer.  This may be NULL if
 * the data pointer does not represent a ReferenceCount object.
 */
ReferenceCount *MemoryInfo::get_ref_ptr() const {
  return _ref_ptr;
}

/**
 * Returns the data pointer as a TypedObject pointer.  This may be NULL if the
 * data pointer does not represent a pointer to a TypedObject.
 */
TypedObject *MemoryInfo::get_typed_ptr() const {
  return _typed_ptr;
}

/**
 * Returns true if the size of the memory block referenced by this pointer is
 * known.  Most pointers' sizes should be known, but some may not be.
 */
bool MemoryInfo::is_size_known() const {
  return (_flags & F_size_known) != 0;
}

/**
 * Returns the size in bytes of the memory block referenced by this pointer,
 * if it is known.  Returns zero if the size is not known.
 */
size_t MemoryInfo::get_size() const {
  return _size;
}

/**
 * Returns the time in seconds (based on the GlobalClock) at which the pointer
 * was allocated.
 */
double MemoryInfo::get_time() const {
  return _time;
}