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Annotation of xinu/sys/ascdate.c, revision 1.1

1.1     ! root        1: /* ascdate.c - ascdate */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <date.h>
        !             6: 
        !             7: /*------------------------------------------------------------------------
        !             8:  *  ascdate  -  print a given date in ascii including hours:mins:secs
        !             9:  *------------------------------------------------------------------------
        !            10:  */
        !            11: ascdate(time, str)
        !            12: long   time;
        !            13: char   *str;
        !            14: {
        !            15:        long    tmp;
        !            16:        int     year, month, day, hour, minute, second;
        !            17:        long    days;
        !            18: 
        !            19:        /* set year (1970-1999) */
        !            20:        for (year=1970 ; TRUE ; year++) {
        !            21:                days = isleap(year) ? 366 : 365;
        !            22:                tmp = days * SECPERDY;
        !            23:                if (tmp > time)
        !            24:                        break;
        !            25:                time -= tmp;
        !            26:        }
        !            27:        /* set month (0-11) */
        !            28:        for (month=0 ; month<12 ; month++) {
        !            29:                tmp = Dat.dt_msize[month] * SECPERDY;
        !            30:                if (tmp > time)
        !            31:                        break;
        !            32:                time -= tmp;
        !            33:        }
        !            34:        /* set day of month (1-31) */
        !            35:        day = (int)( time/SECPERDY ) + 1;
        !            36:        time %= SECPERDY;
        !            37:        /* set hour (0-23) */
        !            38:        hour = (int) ( time/SECPERHR );
        !            39:        time %= SECPERHR;
        !            40:        /* set minute (0-59) */
        !            41:        minute = time / SECPERMN;
        !            42:        time %= SECPERMN;
        !            43:        /* set second (0-59) */
        !            44:        second = (int) time;
        !            45:        sprintf(str, "%3s %2d %4d %2d:%02d:%02d", Dat.dt_mnam[month],
        !            46:                day, year, hour, minute, second);
        !            47:        return(OK);
        !            48: }
        !            49: 
        !            50: struct datinfo Dat = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31,
        !            51:                        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        !            52:                        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};

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