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/**
* @file
*
* @ingroup RTEMSImplClassicClock
*
* @brief This source file contains the implementation of
* _TOD_Validate().
*/
/*
* 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/rtems/clockimpl.h>
#include <rtems/score/todimpl.h>
#include <rtems/config.h>
/*
* The following array contains the number of days in all months.
* The first dimension should be 1 for leap years, and 0 otherwise.
* The second dimension should range from 1 to 12 for January to
* February, respectively.
*/
const uint32_t _TOD_Days_per_month[ 2 ][ 13 ] = {
{ 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
};
rtems_status_code _TOD_Validate(
const rtems_time_of_day *the_tod,
uint32_t ticks_mask
)
{
uint32_t days_in_month;
uint32_t ticks_per_second;
if ( the_tod == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
ticks_per_second = rtems_clock_get_ticks_per_second();
if ( ( ( the_tod->ticks & ticks_mask ) >= ticks_per_second ) ||
(the_tod->second >= TOD_SECONDS_PER_MINUTE) ||
(the_tod->minute >= TOD_MINUTES_PER_HOUR) ||
(the_tod->hour >= TOD_HOURS_PER_DAY) ||
(the_tod->month == 0) ||
(the_tod->month > TOD_MONTHS_PER_YEAR) ||
(the_tod->year < TOD_BASE_YEAR) ||
(the_tod->year > TOD_LATEST_YEAR) ||
(the_tod->day == 0) ) {
return RTEMS_INVALID_CLOCK;
}
if (((the_tod->year % 4) == 0 && (the_tod->year % 100 != 0)) ||
(the_tod->year % 400 == 0))
days_in_month = _TOD_Days_per_month[ 1 ][ the_tod->month ];
else
days_in_month = _TOD_Days_per_month[ 0 ][ the_tod->month ];
if ( the_tod->day > days_in_month ) {
return RTEMS_INVALID_CLOCK;
}
return RTEMS_SUCCESSFUL;
}
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