Headers/timing_types.h

/*
 * BRLTTY - A background process providing access to the console screen (when in
 *          text mode) for a blind person using a refreshable braille display.
 *
 * Copyright (C) 1995-2023 by The BRLTTY Developers.
 *
 * BRLTTY comes with ABSOLUTELY NO WARRANTY.
 *
 * This is free software, placed under the terms of the
 * GNU Lesser General Public License, as published by the Free Software
 * Foundation; either version 2.1 of the License, or (at your option) any
 * later version. Please see the file LICENSE-LGPL for details.
 *
 * Web Page: http://brltty.app/
 *
 * This software is maintained by Dave Mielke <dave@mielke.cc>.
 */

#ifndef BRLTTY_INCLUDED_TIMING_TYPES
#define BRLTTY_INCLUDED_TIMING_TYPES

#include <time.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

#define MSECS_PER_SEC  1000
#define USECS_PER_MSEC 1000
#define NSECS_PER_USEC 1000
#define USECS_PER_SEC  (USECS_PER_MSEC * MSECS_PER_SEC)
#define NSECS_PER_MSEC (NSECS_PER_USEC * USECS_PER_MSEC)
#define NSECS_PER_SEC  (NSECS_PER_USEC * USECS_PER_MSEC * MSECS_PER_SEC)

#define SECS_PER_MIN 60
#define MINS_PER_HR  60
#define HRS_PER_DAY  24
#define DAYS_PER_WK  7
#define SECS_PER_HR  (SECS_PER_MIN * MINS_PER_HR)
#define SECS_PER_DAY (SECS_PER_MIN * MINS_PER_HR * HRS_PER_DAY)
#define SECS_PER_WK  (SECS_PER_MIN * MINS_PER_HR * HRS_PER_DAY * DAYS_PER_WK)
#define MINS_PER_DAY (MINS_PER_HR * HRS_PER_DAY)
#define MINS_PER_WK  (MINS_PER_HR * HRS_PER_DAY * DAYS_PER_WK)
#define HRS_PER_WK   (HRS_PER_DAY * DAYS_PER_WK)

typedef struct {
  int32_t seconds;
  int32_t nanoseconds;
} TimeValue;

typedef struct {
  struct tm time;

  uint16_t year;
  uint8_t month;
  uint8_t day;

  uint8_t hour;
  uint8_t minute;
  uint8_t second;

  int32_t nanosecond;
} TimeComponents;

#define PRIsec PRIi32
#define PRInsec PRIi32

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* BRLTTY_INCLUDED_TIMING_TYPES */