1 | /* |
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2 | * Time of Day (TOD) Handler |
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3 | * |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.OARcorp.com/rtems/license.html. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #include <rtems/system.h> |
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16 | #include <rtems/score/object.h> |
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17 | #include <rtems/score/thread.h> |
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18 | #include <rtems/score/tod.h> |
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19 | #include <rtems/score/watchdog.h> |
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20 | |
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21 | /*PAGE |
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22 | * |
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23 | * _TOD_Validate |
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24 | * |
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25 | * This kernel routine checks the validity of a date and time structure. |
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26 | * |
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27 | * Input parameters: |
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28 | * the_tod - pointer to a time and date structure |
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29 | * |
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30 | * Output parameters: |
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31 | * TRUE - if the date, time, and tick are valid |
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32 | * FALSE - if the the_tod is invalid |
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33 | * |
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34 | * NOTE: This routine only works for leap-years through 2099. |
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35 | */ |
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36 | |
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37 | boolean _TOD_Validate( |
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38 | TOD_Control *the_tod |
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39 | ) |
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40 | { |
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41 | unsigned32 days_in_month; |
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42 | |
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43 | if ((the_tod->ticks >= _TOD_Ticks_per_second) || |
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44 | (the_tod->second >= TOD_SECONDS_PER_MINUTE) || |
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45 | (the_tod->minute >= TOD_MINUTES_PER_HOUR) || |
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46 | (the_tod->hour >= TOD_HOURS_PER_DAY) || |
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47 | (the_tod->month == 0) || |
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48 | (the_tod->month > TOD_MONTHS_PER_YEAR) || |
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49 | (the_tod->year < TOD_BASE_YEAR) || |
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50 | (the_tod->day == 0) ) |
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51 | return FALSE; |
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52 | |
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53 | if ( (the_tod->year % 4) == 0 ) |
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54 | days_in_month = _TOD_Days_per_month[ 1 ][ the_tod->month ]; |
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55 | else |
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56 | days_in_month = _TOD_Days_per_month[ 0 ][ the_tod->month ]; |
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57 | |
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58 | if ( the_tod->day > days_in_month ) |
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59 | return FALSE; |
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60 | |
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61 | return TRUE; |
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62 | } |
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63 | |
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