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Annotation of 43BSDReno/libexec/getty/get_date.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1985 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)get_date.c 5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include <stdio.h>
        !            25: #include <sys/time.h>
        !            26: 
        !            27: static char *days[] = {
        !            28:        "Sun", "Mon", "Tues", "Wed", "Thurs", "Fri", "Sat"
        !            29: };
        !            30: 
        !            31: static char *months[] = {
        !            32:        "Jan", "Feb", "Mar", "Apr", "May", "June",
        !            33:        "July", "Aug", "Sept", "Oct", "Nov", "Dec"
        !            34: };
        !            35: 
        !            36: #define AM "am"
        !            37: #define PM "pm"
        !            38: 
        !            39: get_date(datebuffer)
        !            40:        char *datebuffer;
        !            41: {
        !            42:        struct tm *localtime(), *tmp;
        !            43:        struct timeval tv;
        !            44:        int realhour;
        !            45:        char *zone;
        !            46: 
        !            47:        gettimeofday(&tv, 0);
        !            48:        tmp = localtime(&tv.tv_sec);
        !            49: 
        !            50:        realhour = tmp->tm_hour;
        !            51:        zone = AM;                      /* default to morning */
        !            52:        if (tmp->tm_hour == 0)
        !            53:                realhour = 12;          /* midnight */
        !            54:        else if (tmp->tm_hour == 12)
        !            55:                zone = PM;              /* noon */
        !            56:        else if (tmp->tm_hour >= 13 && tmp->tm_hour <= 23) { /* afternoon */
        !            57:                realhour = realhour - 12;
        !            58:                zone = PM;
        !            59:        }
        !            60:        
        !            61:        /* format is '8:10pm on Sunday, 16 Sept 1973' */
        !            62: 
        !            63:        (void)sprintf(datebuffer, "%d:%02d%s on %s, %d %s %d",
        !            64:                realhour,
        !            65:                tmp->tm_min,
        !            66:                zone,
        !            67:                days[tmp->tm_wday],
        !            68:                tmp->tm_mday,
        !            69:                months[tmp->tm_mon],
        !            70:                1900 + tmp->tm_year);
        !            71: }

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