+++ /dev/null
-/*****************************************************************************
-** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: timedate.cpp,v 1.2 2000/06/19 19:04:05 kevin Exp $
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU General Public License (version 2) as
-** published by the Free Software Foundation.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU General Public License for more details.
-**
-** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-******************************************************************************/
-
-/*----------------------------------------------------------------------*/
-/* ROUTINES THAT MANAGE TIME */
-/*----------------------------------------------------------------------*/
-
-#include <stdio.h>
-#include <time.h>
-#include "ctsupport.h"
-
-
-/* NAME
- * td_get_time Return time of day
- *
- * SYNOPSIS
- * t = td_get_time (t)
- * TIME *t; Returned time
- */
-
-TIME *
-td_get_time (TIME *t)
-{
- time_t currtime;
- struct tm *tm;
-
- currtime = time(NULL);
- tm = localtime(&currtime);
-
- t->hour = tm->tm_hour;
- t->minute = tm->tm_min;
- t->second = tm->tm_sec;
- t->ms = 0;
-
- return (t);
-}
-
-
-DATE *
-td_get_date (DATE *d)
-{
- time_t t = time(NULL);
- struct tm *lt = localtime(&t);
-
- d->year = lt->tm_year + 1900;
- d->month = lt->tm_mon;
- d->month++;
- d->date = lt->tm_mday;
- d->dow = lt->tm_wday;
- d->dow++;
-
- return (d);
-}
-
-double td_current_sec (void)
-{
- TIME t;
-
- td_get_time (&t);
- return (td_time_to_sec (&t));
-}
-
-
-double
-td_time_to_sec (TIME *t)
-{
- double ts;
-
- ts = t->hour * 3600.;
- ts += t->minute * 60.;
- ts += t->second;
- ts += t->ms / 1000.;
-
- return (ts);
-}
-
-
-TIME *
-td_time_sub (const TIME *t1, const TIME *t2, TIME *tdiff)
-{
- tdiff->hour = t1->hour - t2->hour;
- tdiff->minute = t1->minute - t2->minute;
- tdiff->second = t1->second - t2->second;
- tdiff->ms = t1->ms - t2->ms;
-
- return td_time_norm (tdiff);
-}
-
-
-TIME *
-td_time_add (const TIME *t1, const TIME *t2, TIME *tsum)
-{
- tsum->ms = t1->ms + t2->ms;
- tsum->second = t1->second + t2->second;
- tsum->minute = t1->minute + t2->minute;
- tsum->hour = t1->hour + t2->hour;
-
- return td_time_norm (tsum);
-}
-
-
-TIME *
-td_time_copy (TIME *to, const TIME *from)
-{
- to->ms = from->ms;
- to->second = from->second;
- to->minute = from->minute;
- to->hour = from->hour;
-
- return (to);
-}
-
-
-/* NAME
- * td_time_norm Normalize time in structure
- *
- * SYNOPSIS
- * t = td_time_norm (t)
- * TIME *t Time to be normalized
- */
-
-TIME *
-td_time_norm (TIME *t)
-{
- while (t->ms < 0) {
- t->ms += 1000;
- t->second--;
- }
- while (t->second < 0) {
- t->second += 60;
- t->minute--;
- }
- while (t->minute < 0) {
- t->minute += 60;
- t->hour--;
- }
-
- while (t->ms > 1000) {
- t->ms -= 1000;
- t->second++;
- }
- while (t->second > 60) {
- t->second -= 60;
- t->minute++;
- }
- while (t->minute > 60) {
- t->minute -= 60;
- t->hour++;
- }
-
- return (t);
-}
-
-
-/* NAME
- * td_get_tmdt Return current time and date
- *
- * SYNOPSIS
- * get_tmdt (td)
- * TIMEDATE *td Pointer to structure that holds time & date
- */
-
-void
-td_get_tmdt (TIMEDATE *td)
-{
- td_get_date (&td->d);
- td_get_time (&td->t);
-}
-
-
-/* NAME
- * td_str_tmdt Put time & date into string
- *
- * SYNOPSIS
- * str = td_str_tmdt (td)
- * TIMEDATE *td Pointer ot time & date structure
- * char *str Pointer to output string (Width = 21 chars)
- *
- * NOTES
- * str points to a area of memory devoted to this routine
- * DO NOT make any changes to str
- */
-
-const char *
-td_str_tmdt (const TIMEDATE *td)
-{
- static char str[80];
-
- strncpy (str, td_str_date(&td->d), sizeof(str));
- strncat (str, " ", sizeof(str));
- strncat (str, td_str_stime(&td->t), sizeof(str));
-
- return (str);
-}
-
-
-/* NAME
- * td_str_time Convert time into long string form
- *
- * SYNOPSIS
- * str = td_str_time (t)
- * char *str Output string (Field width = 12 chars)
- * TIME *t Time to be converted
- */
-
-const char *
-td_str_time (const TIME *t)
-{
- static char str[80];
- char am_pm;
- int hour;
-
- hour = t->hour;
- if (hour < 12) {
- am_pm = 'a';
- if (hour == 0)
- hour = 12;
- } else if (hour >= 12) {
- am_pm = 'p';
- if (hour > 12)
- hour -= 12;
- }
-
- snprintf (str, sizeof(str), "%2d:%02d:%02d.%03d%c",
- hour, t->minute, t->second, t->ms, am_pm);
-
- return (str);
-}
-
-
-
-/* NAME
- * td_str_stime Convert time into short string form
- *
- * SYNOPSIS
- * str = td_str_stime (t)
- * char *str Output string (Field width = 6 chars)
- * TIME *t Time to be converted
- */
-
-const char *
-td_str_stime (const TIME *t)
-{
- static char str[80];
- char am_pm;
- int hour;
-
- hour = t->hour;
- if (hour < 12) {
- am_pm = 'a';
- if (hour == 0)
- hour = 12;
- } else if (hour >= 12) {
- am_pm = 'p';
- if (hour > 12)
- hour -= 12;
- }
-
- snprintf (str, sizeof(str), "%2d:%02d%c",
- hour, t->minute, am_pm);
-
- return (str);
-}
-
-
-/* NAME
- * td_str_date Convert date to string form
- *
- * SYNOPSIS
- * str = td_str_date (d)
- * DATE *d Date to be converted
- * char *str Pointer to output string (Width = 8 chars)
- *
- * NOTES
- * DO NOT make any changes to str. It belongs to this routine
- */
-
-const char *
-td_str_date (const DATE *d)
-{
- static char str[80];
-
- snprintf (str, sizeof(str), "%2d-%02d-%02d", d->month, d->date, d->year - 1900);
-
- return (str);
-}
-
-/*-----------------------------------------------------------------------------
- * NAME
- * td_str_cdate Convert date to a character string
- *
- * SYNOPSIS
- * str = td_str_cdate (d)
- * DATE *d Date to convert
- * char *str Pointer to date in character format
- *
- * DESCRIPTION
- * The date is put in the form:
- * <day name>, <month name> <date>, <year>
- *
- * Field width ranges from 17 to 29 characters
- *
- * NOTES
- * str belongs to this routine, do NOT alter str
- *---------------------------------------------------------------------------*/
-
-
-char *
-td_str_cdate (DATE *d)
-{
- static char str[50];
- char temp[50];
-
- strcpy (str, "");
-
- if (d->dow != 0) { /* only print day name if dow != 0 */
- strcat (str, td_day_name(d->dow));
- strcat (str, ", ");
- }
-
- snprintf (temp, sizeof(temp), "%s %d, %d", td_month_name(d->month), d->date, d->year);
- strcat (str, temp);
-
- return (str);
-}
-
-
-/*--------------------------------------------------------------*/
-/* td_month_name(int n) */
-/* return pointer to name of month given month number, n */
-/*--------------------------------------------------------------*/
-char *
-td_month_name ( /* return name of n-th month */
- int n
-)
-{
- static char *name[] = {
- "",
- "January",
- "February",
- "March",
- "April",
- "May",
- "June",
- "July",
- "August",
- "September",
- "October",
- "November",
- "December"
- };
-
- return ((n < 1 || n > 12) ? name[0] : name[n]);
-}
-
-
-/*--------------------------------------------------------------*/
-/* td_day_name(int n) */
-/* return pointer to name of day given day number, n (1..7)*/
-/*--------------------------------------------------------------*/
-char *
-td_day_name (int n)
-{
- static char *name[] = {
- "",
- "Monday",
- "Tuesday",
- "Wednesday",
- "Thursday",
- "Friday",
- "Saturday",
- "Sunday"
- };
-
- return ((n < 1 || n > 7) ? name[0] : name[n]);
-}
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