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pr_time.c revision 1.2 
      1 /*-
      2  * Copyright (c) 1990, 1993, 1994
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)pr_time.c	8.2 (Berkeley) 4/4/94";
     36 #endif /* not lint */
     37 
     38 #include <sys/types.h>
     39 #include <sys/time.h>
     40 
     41 #include <stdio.h>
     42 #include <string.h>
     43 #include <tzfile.h>
     44 
     45 #include "extern.h"
     46 
     47 /*
     48  * pr_attime --
     49  *	Print the time since the user logged in.
     50  *
     51  *	Note: SCCS forces the bizarre string manipulation, things like
     52  *	8.2 get replaced in the source code.
     53  */
     54 void
     55 pr_attime(started, now)
     56 	time_t *started, *now;
     57 {
     58 	static char buf[256];
     59 	struct tm *tp;
     60 	time_t diff;
     61 	char fmt[20];
     62 
     63 	tp = localtime(started);
     64 	diff = *now - *started;
     65 
     66 	/* If more than a week, use day-month-year. */
     67 	if (diff > SECSPERDAY * DAYSPERWEEK)
     68 		(void)strcpy(fmt, "%d%b%y");
     69 
     70 	/* If not today, use day-hour-am/pm. */
     71 	else if (*now / SECSPERDAY != *started / SECSPERDAY) {
     72 		(void)strcpy(fmt, __CONCAT("%a%", "I%p"));
     73 	}
     74 
     75 	/* Default is hh:mm{am,pm}. */
     76 	else {
     77 		(void)strcpy(fmt, __CONCAT("%l:%", "M%p"));
     78 	}
     79 
     80 	(void)strftime(buf, sizeof(buf), fmt, tp);
     81 	(void)printf("%s", buf);
     82 }
     83 
     84 /*
     85  * pr_idle --
     86  *	Display the idle time.
     87  */
     88 void
     89 pr_idle(idle)
     90 	time_t idle;
     91 {
     92 	int days = idle / SECSPERDAY;
     93 
     94 	/* If idle more than 36 hours, print as a number of days. */
     95 	if (idle >= 36 * SECSPERHOUR)
     96 		printf(days == 1 ? "  %dday " : " %ddays ", days);
     97 
     98 	/* If idle more than an hour, print as HH:MM. */
     99 	else if (idle >= SECSPERHOUR)
    100 		(void)printf(" %2d:%02d ",
    101 		    idle / SECSPERHOUR, (idle % SECSPERHOUR) / SECSPERMIN);
    102 
    103 	/* Else print the minutes idle. */
    104 	else
    105 		(void)printf("    %2d ", idle / SECSPERMIN);
    106 }
    107