w/pr_time.c

   1 /*      $NetBSD: pr_time.c,v 1.9 1998/04/02 11:34:23 kleink Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1990, 1993, 1994
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)pr_time.c   8.2 (Berkeley) 4/4/94";
  40 #else
  41 __RCSID("$NetBSD: pr_time.c,v 1.9 1998/04/02 11:34:23 kleink Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <sys/types.h>
  46 #include <sys/time.h>
  47
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <time.h>
  51 #include <tzfile.h>
  52
  53 #include "extern.h"
  54
  55 /*
  56  * pr_attime --
  57  *      Print the time since the user logged in.
  58  *
  59  *      Note: SCCS forces the bizarre string manipulation, things like
  60  *      %I% get replaced in the source code.
  61  */
  62 void
  63 pr_attime(started, now)
  64         time_t *started, *now;
  65 {
  66         static char buf[256];
  67         int tnow_yday;
  68         struct tm *tp;
  69         time_t diff;
  70         char *fmt;
  71
  72         tnow_yday = localtime(now)->tm_yday;
  73         tp = localtime(started);
  74         diff = *now - *started;
  75
  76         /* If more than a week, use day-month-year. */
  77         if (diff > SECSPERDAY * DAYSPERWEEK)
  78                 fmt = "%d%b%y";
  79
  80         /* If not today, use day-hour-am/pm. */
  81         else if (tp->tm_yday != tnow_yday)
  82                 fmt = __CONCAT("%a%", "I%p");
  83
  84         /* Default is hh:mm{am,pm}. */
  85         else
  86                 fmt = __CONCAT("%l:%", "M%p");
  87
  88         (void)strftime(buf, sizeof(buf), fmt, tp);
  89         buf[sizeof(buf) - 1] = '\0';
  90         (void)fputs(buf, stdout);
  91 }
  92
  93 /*
  94  * pr_idle --
  95  *      Display the idle time.
  96  */
  97 void
  98 pr_idle(idle)
  99         time_t idle;
 100 {
 101         int days = idle / SECSPERDAY;
 102
 103         /* If idle more than 36 hours, print as a number of days. */
 104         if (idle >= 36 * SECSPERHOUR)
 105                 printf(days == 1 ? "  %dday " : " %ddays ", days);
 106
 107         /* If idle more than an hour, print as HH:MM. */
 108         else if (idle >= SECSPERHOUR)
 109                 (void)printf(" %2d:%02d ",
 110                     (int)(idle / SECSPERHOUR),
 111                     (int)((idle % SECSPERHOUR) / SECSPERMIN));
 112
 113         /* Else print the minutes idle. */
 114         else
 115                 (void)printf("    %2d ", (int)(idle / SECSPERMIN));
 116 }