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Annotation of 43BSDReno/bin/ps/attime.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 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[] = "@(#)attime.c   5.1 (Berkeley) 5/4/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include <sys/types.h>
        !            25: #include <sys/time.h>
        !            26: #include <stdio.h>
        !            27: 
        !            28: #define        HR      (60 * 60)
        !            29: #define        DAY     (24 * HR)
        !            30: #define        MON     (30 * DAY)
        !            31: 
        !            32: static time_t now;
        !            33: /*
        !            34:  * prttime prints a time in hours and minutes or minutes and seconds.
        !            35:  * The character string tail is printed at the end, obvious
        !            36:  * strings to pass are "", " ", or "am".
        !            37:  */
        !            38: static char *
        !            39: prttime(tim, tail)
        !            40:        time_t tim;
        !            41:        char *tail;
        !            42: {
        !            43:        static char timebuf[32], *cp;
        !            44: 
        !            45:        if (tim >= 60) {
        !            46:                int mins = tim % 60;
        !            47:                sprintf(timebuf, "%2d:%02d", tim/60, mins);
        !            48:        } else if (tim >= 0)
        !            49:                sprintf(timebuf, "    %2d", tim);
        !            50:        cp = timebuf;
        !            51:        while (*cp)
        !            52:                cp++;
        !            53:        sprintf(cp, "%s", tail);
        !            54: 
        !            55:        return (timebuf);
        !            56: }
        !            57: 
        !            58: static char *weekday[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
        !            59: static char *month[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        !            60:                "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
        !            61: 
        !            62: /* prtat prints a 12 hour time given a pointer to a time of day */
        !            63: char *
        !            64: attime(started)
        !            65:        long *started;
        !            66: {
        !            67:        struct tm *p;
        !            68:        register int hr, pm;
        !            69:        static char prbuff[64];
        !            70: 
        !            71:        if (now == 0)
        !            72:                time(&now);
        !            73:        p = localtime(started);
        !            74:        hr = p->tm_hour;
        !            75:        pm = (hr > 11);
        !            76:        if (hr > 11)
        !            77:                hr -= 12;
        !            78:        if (hr == 0)
        !            79:                hr = 12;
        !            80:        if (now - *started <= 18 * HR)
        !            81:                return (prttime(hr * 60 + p->tm_min, pm ? "pm" : "am"));
        !            82:        else if (now - *started <= 7 * DAY)
        !            83:                sprintf(prbuff, "%*s%d%s", hr < 10 ? 4 : 3,
        !            84:                        weekday[p->tm_wday], hr, pm ? "pm" : "am");
        !            85:        else
        !            86:                sprintf(prbuff, "%2d%s%2d", p->tm_mday, month[p->tm_mon], 
        !            87:                        p->tm_year);
        !            88: 
        !            89:        return (prbuff);
        !            90: }

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