1 files changed, 64 insertions, 0 deletions
diff --git a/cpukit/rtems/src/clocktodvalidate.c b/cpukit/rtems/src/clocktodvalidate.c
new file mode 100644
index 0000000000..902079f5e5
--- /dev/null
+++ b/cpukit/rtems/src/clocktodvalidate.c
@@ -0,0 +1,64 @@
+/*
+ *  Time of Day (TOD) Handler
+ *
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/score/object.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/watchdog.h>
+
+/*PAGE
+ *
+ *  _TOD_Validate
+ *
+ *  This kernel routine checks the validity of a date and time structure.
+ *
+ *  Input parameters:
+ *    the_tod - pointer to a time and date structure
+ *
+ *  Output parameters:
+ *    TRUE  - if the date, time, and tick are valid
+ *    FALSE - if the the_tod is invalid
+ *
+ *  NOTE: This routine only works for leap-years through 2099.
+ */
+
+boolean _TOD_Validate(
+  TOD_Control *the_tod
+)
+{
+  unsigned32 days_in_month;
+
+  if ((the_tod->ticks  >= _TOD_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->day    == 0) )
+     return FALSE;
+
+  if ( (the_tod->year % 4) == 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;
+}
+