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The World of Computer Software
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World_Of_Computer_Software-02-385-Vol-1of3.iso
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EXAMPLES
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DCLOCK
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CLOCKTIM.C
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C/C++ Source or Header
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1992-03-03
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2KB
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62 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* time related functions for digital clock
*/
#include "clocktime.h"
#include <string.h>
#include <stdio.h>
Clock::Clock () {
gettime(&gmt);
nextMinute = 60 - gmt.ti_sec;
}
int Clock::NextTick () {
gettime(&gmt);
int nM = 60 - gmt.ti_sec;
if (nM < nextMinute) {
nextMinute = nM;
return nM;
} else {
nextMinute = nM;
return -1;
}
}
void Clock::GetTime (char* date, int& h, int& m, int& s) {
struct time local;
struct date d;
gettime(&local);
h = local.ti_hour;
m = local.ti_min;
s = local.ti_sec;
char ds[26];
getdate(&d);
sprintf(ds, "%d-%d-%d\0", d.da_year, d.da_mon, d.da_day);
strcpy(date, ds); /* day, month, day of month */
nextMinute = 60 - s;
}