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Annotation of 43BSD/etc/getty/get_date.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)get_date.c 5.1 (Berkeley) 4/29/85";
        !             9: #endif not lint
        !            10: 
        !            11: #include <stdio.h>
        !            12: #include <sys/time.h>
        !            13: 
        !            14: static char *days[] = {
        !            15:        "Sun", "Mon", "Tues", "Wed", "Thurs", "Fri", "Sat"
        !            16: };
        !            17: 
        !            18: static char *months[] = {
        !            19:        "Jan", "Feb", "Mar", "Apr", "May", "June",
        !            20:        "July", "Aug", "Sept", "Oct", "Nov", "Dec"
        !            21: };
        !            22: 
        !            23: #define AM "am"
        !            24: #define PM "pm"
        !            25: 
        !            26: get_date(datebuffer)
        !            27:        char *datebuffer;
        !            28: {
        !            29:        struct tm *localtime(), *tmp;
        !            30:        struct timeval tv;
        !            31:        int realhour;
        !            32:        char *zone;
        !            33: 
        !            34:        gettimeofday(&tv, 0);
        !            35:        tmp = localtime(&tv.tv_sec);
        !            36: 
        !            37:        realhour = tmp->tm_hour;
        !            38:        zone = AM;                      /* default to morning */
        !            39:        if (tmp->tm_hour == 0)
        !            40:                realhour = 12;          /* midnight */
        !            41:        else if (tmp->tm_hour == 12)
        !            42:                zone = PM;              /* noon */
        !            43:        else if (tmp->tm_hour >= 13 && tmp->tm_hour <= 23) { /* afternoon */
        !            44:                realhour = realhour - 12;
        !            45:                zone = PM;
        !            46:        }
        !            47:        
        !            48:        /* format is '8:10pm on Sunday, 16 Sept 1973' */
        !            49: 
        !            50:        sprintf(datebuffer, "%d:%02d%s on %s, %d %s %d",
        !            51:                realhour,
        !            52:                tmp->tm_min,
        !            53:                zone,
        !            54:                days[tmp->tm_wday],
        !            55:                tmp->tm_mday,
        !            56:                months[tmp->tm_mon],
        !            57:                1900 + tmp->tm_year);
        !            58: }

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