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Annotation of src/usr.bin/w/pr_time.c, Revision 1.4

1.1       deraadt     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];
1.4     ! deraadt    62:        int  today;
1.1       deraadt    63:
1.4     ! deraadt    64:        today = localtime(now)->tm_yday;
1.1       deraadt    65:        tp = localtime(started);
                     66:        diff = *now - *started;
                     67:
                     68:        /* If more than a week, use day-month-year. */
                     69:        if (diff > SECSPERDAY * DAYSPERWEEK)
                     70:                (void)strcpy(fmt, "%d%b%y");
                     71:
                     72:        /* If not today, use day-hour-am/pm. */
1.4     ! deraadt    73:        else if (tp->tm_yday  != today ) {
1.1       deraadt    74:                (void)strcpy(fmt, __CONCAT("%a%", "I%p"));
                     75:        }
                     76:
                     77:        /* Default is hh:mm{am,pm}. */
                     78:        else {
                     79:                (void)strcpy(fmt, __CONCAT("%l:%", "M%p"));
                     80:        }
                     81:
                     82:        (void)strftime(buf, sizeof(buf), fmt, tp);
                     83:        (void)printf("%s", buf);
                     84: }
                     85:
                     86: /*
                     87:  * pr_idle --
                     88:  *     Display the idle time.
                     89:  */
                     90: void
                     91: pr_idle(idle)
                     92:        time_t idle;
                     93: {
                     94:        /* If idle more than 36 hours, print as a number of days. */
                     95:        if (idle >= 36 * SECSPERHOUR)
1.4     ! deraadt    96:                printf(days == 1 ? "  %dday " : " %ddays ", days);
1.1       deraadt    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: }