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Annotation of 43BSDReno/bin/ps/attime.c, revision 1.1.1.1

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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