106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)attime.c 5.2 (Berkeley) 8/30/90";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/time.h>
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#include <stdio.h>
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#include <string.h>
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#define HR (60 * 60)
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#define DAY (24 * HR)
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#define MON (30 * DAY)
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static time_t now;
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/*
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* prttime prints a time in hours and minutes or minutes and seconds.
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* The character string tail is printed at the end, obvious
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* strings to pass are "", " ", or "am".
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*/
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static char *
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prttime(tim, tail)
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time_t tim;
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char *tail;
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{
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int mins;
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static char timebuf[32];
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if (tim >= 60) {
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mins = tim % 60;
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(void) sprintf(timebuf, "%2d:%02d%s", (int)(tim / 60), mins,
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tail);
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} else if (tim >= 0)
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(void) sprintf(timebuf, " %2d%s", (int)tim, tail);
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else
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(void) strcpy(timebuf, tail);
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return (timebuf);
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}
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static char *weekday[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
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static char *month[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
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/* prtat prints a 12 hour time given a pointer to a time of day */
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char *
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attime(started)
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time_t *started;
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{
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struct tm *p;
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register int hr, pm;
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static char prbuff[64];
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if (now == 0)
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(void) time(&now);
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p = localtime(started);
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hr = p->tm_hour;
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pm = (hr > 11);
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if (hr > 11)
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hr -= 12;
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if (hr == 0)
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hr = 12;
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if (now - *started <= 18 * HR)
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return (prttime((time_t)hr * 60 + p->tm_min, pm ? "pm" : "am"));
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if (now - *started <= 7 * DAY)
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(void) sprintf(prbuff, "%*s%d%s", hr < 10 ? 4 : 3,
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weekday[p->tm_wday], hr, pm ? "pm" : "am");
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else
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(void) sprintf(prbuff, "%2d%s%2d", p->tm_mday,
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month[p->tm_mon], p->tm_year);
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return (prbuff);
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}
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