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