cpukit/score/src/timespecisvalid.c


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/**
 * @file
 *
 * @ingroup RTEMSScoreTimespec
 *
 * @brief This source file contains the implementation of
 *   _Timespec_Is_valid().
 */

/*
 *  COPYRIGHT (c) 1989-2007.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

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

#include <rtems/score/timespec.h>
#include <rtems/score/todimpl.h>

bool _Timespec_Is_valid(
  const struct timespec *time
)
{
  if ( !time )
    return false;

  if ( time->tv_sec < 0 )
    return false;

  if ( time->tv_nsec < 0 )
    return false;

  if ( time->tv_nsec >= TOD_NANOSECONDS_PER_SECOND )
    return false;

  return true;
}