source: rtems/cpukit/score/src/coretodvalidate.c @ df54012

Last change on this file since df54012 was df54012, checked in by Joel Sherrill <joel.sherrill@…>, on 05/06/04 at 19:20:44

2004-05-06 Joel Sherrill <joel@…>

PR 618/rtems

  • include/rtems/score/object.h, src/coretodvalidate.c, src/objectnametoid.c: Add NULL checks.
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 *  Time of Day (TOD) Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/score/object.h>
17#include <rtems/score/thread.h>
18#include <rtems/score/tod.h>
19#include <rtems/score/watchdog.h>
20
21/*PAGE
22 *
23 *  _TOD_Validate
24 *
25 *  This kernel routine checks the validity of a date and time structure.
26 *
27 *  Input parameters:
28 *    the_tod - pointer to a time and date structure
29 *
30 *  Output parameters:
31 *    TRUE  - if the date, time, and tick are valid
32 *    FALSE - if the the_tod is invalid
33 *
34 *  NOTE: This routine only works for leap-years through 2099.
35 */
36
37boolean _TOD_Validate(
38  TOD_Control *the_tod
39)
40{
41  unsigned32 days_in_month;
42
43  if ((!the_tod)                                  ||
44      (the_tod->ticks  >= _TOD_Ticks_per_second)  ||
45      (the_tod->second >= TOD_SECONDS_PER_MINUTE) ||
46      (the_tod->minute >= TOD_MINUTES_PER_HOUR)   ||
47      (the_tod->hour   >= TOD_HOURS_PER_DAY)      ||
48      (the_tod->month  == 0)                      ||
49      (the_tod->month  >  TOD_MONTHS_PER_YEAR)    ||
50      (the_tod->year   <  TOD_BASE_YEAR)          ||
51      (the_tod->day    == 0) )
52     return FALSE;
53
54  if ( (the_tod->year % 4) == 0 )
55    days_in_month = _TOD_Days_per_month[ 1 ][ the_tod->month ];
56  else
57    days_in_month = _TOD_Days_per_month[ 0 ][ the_tod->month ];
58
59  if ( the_tod->day > days_in_month )
60    return FALSE;
61
62  return TRUE;
63}
64
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