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Diff for libplaton/platon/misc/week.h between version 1.2 and 1.3

version 1.2, 2002/02/04 18:38:11 version 1.3, 2002/09/19 23:18:00
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 #ifndef _PLATON_UTILS_WEEK_H  /**
 #define _PLATON_UTILS_WEEK_H   * @file        misc/week.h
    * @brief       Week number magic
    * @author      Daniel Stenberg
    * @version     \$Id$
    * @date        1998-2002
    */
   
   #ifndef _PLATON_MISC_WEEK_H
   #define _PLATON_MISC_WEEK_H
   
 /*  /*
    ISO 8601 - Week Number Magic     ISO 8601 - Week Number Magic
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    - Magnus Tjernstrom <d92-mtm@ludd.luth.se> brought my attention to a weird     - Magnus Tjernstrom <d92-mtm@ludd.luth.se> brought my attention to a weird
    treatment of the last days of a year, treated as week 53 before when they     treatment of the last days of a year, treated as week 53 before when they
    really should be week 1. I believe I've corrected that now.     really should be week 1. I believe I've corrected that now.
 */  
 /*  
    Self test notes:  
   
    According to my tries, weekdays are started from Monday,  
    so that means Weekday 1 is Monday, Weekday 2 Tuesday, and so on.  
   
    Ondrej Jombik <nepto@pobox.sk>  Updates:
   14/11/2001 (Week 46 Weekday 3, Wed) - initial release
   04/02/2002 (Week 6  Weekday 1, Mon) - import to CVS
   20/09/2002 (Week 38 Weekday 5, Fri) - Doxygen documentation
   
         Updates:  
                 14/11/2001 (Week 46 Weekday 3, Wed) - initial release  
                 04/02/2001 (Week 6  Weekday 1, Mon) - import to CVS  
 */  */
   
 #ifdef __cplusplus  #ifdef __cplusplus
 extern "C" {  extern "C" {
 #endif  #endif
   
 /*          /**
  * week()           * Returns week and weekday according to date in year/month/day
  *           *
  * Sets week and weekday according to date in year/month/day.           * @param       year            year to query
  * Returns non-zero if it failed, zero if OK.           * @param       month           month to query
  */           * @param       day                     day to query
 int week(int year, int month, int day, int *aweek, int *weekday);           * @retval      aweek           pointer to int where to store week number
            * @retval      weekday         pointer to int where to store weekday number
 /*           * @return      non-zero value on failure, zero if all OK
  * week_no()           *
  *           * Weekdays started from Monday. It means that weekday 1 is Monday,
  * Sets monday of week in year to ret_month and ret_day. Year is the same.           * weekday 2 is Tuesday, and so on.
  * If value of week is more than 53, it is truncated. Returns always 0.           */
  */          int week(int year, int month, int day, int *aweek, int *weekday);
 int week_no(int year, int aweek, int *ret_month, int *ret_day);  
           /**
            * Returns monday of week in year
            *
            * @param       year            year to query
            * @param       aweek           number of week to query
            * @retval      ret_month       pointer to int where to store monday month
            * @retval      ret_day         pointer to int where to store monday day
            * @return      allways 0
            *
            * Year of resulted monday is the same as the year of queried week, what is
            * passed to function as year parameter. If value of aweek is more than
            * 53, it is truncated.
            */
           int week_no(int year, int aweek, int *ret_month, int *ret_day);
   
 #ifdef __cplusplus  #ifdef __cplusplus
 }  }
 #endif  #endif
   
 #endif /* #ifndef _PLATON_UTILS_WEEK_H */  #endif /* #ifndef _PLATON_MISC_WEEK_H */
   

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