diff options
Diffstat (limited to 'cpukit/rtems/src/clocktodvalidate.c')
| -rw-r--r-- | cpukit/rtems/src/clocktodvalidate.c | 115 |
1 files changed, 78 insertions, 37 deletions
diff --git a/cpukit/rtems/src/clocktodvalidate.c b/cpukit/rtems/src/clocktodvalidate.c index 2685bfd6e7..8a08e35690 100644 --- a/cpukit/rtems/src/clocktodvalidate.c +++ b/cpukit/rtems/src/clocktodvalidate.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -11,9 +13,26 @@ * 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. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H @@ -26,44 +45,66 @@ /* * The following array contains the number of days in all months. - * The first dimension should be 1 for leap years, and 0 otherwise. + * The first dimension should be 0 for leap years, and 1 otherwise. * The second dimension should range from 1 to 12 for January to - * February, respectively. + * December, 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 } +static const uint32_t _TOD_Days_per_month[ 2 ][ 13 ] = { + { 0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, + { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } }; -bool _TOD_Validate( - const rtems_time_of_day *the_tod +rtems_status_code _TOD_Validate( + const rtems_time_of_day *the_tod, + TOD_Ticks_validation ticks_validation ) { - uint32_t days_in_month; - uint32_t ticks_per_second; - - ticks_per_second = TOD_MICROSECONDS_PER_SECOND / - rtems_configuration_get_microseconds_per_tick(); - if ((!the_tod) || - (the_tod->ticks >= 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 false; - - 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 false; - - return true; + size_t leap_year_index; + uint32_t days_in_month; + uint32_t ticks_per_second; + uint32_t ticks_mask; + + if ( the_tod == NULL ) { + return RTEMS_INVALID_ADDRESS; + } + + ticks_per_second = rtems_clock_get_ticks_per_second(); + ticks_mask = (uint32_t) ticks_validation; + + if ( ( the_tod->ticks & ticks_mask ) >= ticks_per_second ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->second >= TOD_SECONDS_PER_MINUTE ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->minute >= TOD_MINUTES_PER_HOUR ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->hour >= TOD_HOURS_PER_DAY ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->month == 0 || the_tod->month > TOD_MONTHS_PER_YEAR ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->year < TOD_BASE_YEAR || the_tod->year > TOD_LATEST_YEAR ) { + return RTEMS_INVALID_CLOCK; + } + + if ( the_tod->day == 0 ) { + return RTEMS_INVALID_CLOCK; + } + + leap_year_index = _TOD_Get_leap_year_index( the_tod->year ); + days_in_month = _TOD_Days_per_month[ leap_year_index ][ the_tod->month ]; + + if ( the_tod->day > days_in_month ) { + return RTEMS_INVALID_CLOCK; + } + + return RTEMS_SUCCESSFUL; } |