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CnC_Renegade/Code/Tools/wlib/xtime.cpp

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Initial commit of Command & Conquer Renegade source code.
2025-02-27 16:39:46 +00:00
/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** 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, see <http://www.gnu.org/licenses/>.
*/
/****************************************************************************\
xtime Neal Kettler
Improved version of the Wtime library (V->W->X...)
Handles signed times better and dates long
long long after you'll be dead.
\****************************************************************************/
#include <ctype.h>
#include <time.h>
#ifndef _WINDOWS
#include <sys/time.h>
#endif
#include "xtime.h"
static char *DAYS[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
static char *FULLDAYS[]={"Sunday","Monday","Tuesday","Wednesday","Thursday",
"Friday","Saturday"};
static char *MONTHS[]={"Jan","Feb","Mar","Apr","May","Jun","Jul",
"Aug","Sep","Oct","Nov","Dec"};
static char *FULLMONTHS[]={"January","February","March","April","May","June",
"July","August","September","October","November","December"};
#define IS_LEAP(y) ((y) % 4) == 0 && (! ((y) % 100) == 0 || ((y) % 400) == 0)
#define LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400)
/////////////// Utility functions ///////////////////
//
// Return the daycount since year 0 for the specified date.
// month = 1-12, day = 1-31 year = 0...
//
static sint32 Get_Day(int month, int day, int year)
{
time_t days;
static int DaysAtMonth[] =
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
/* Add up number of straight days + number of leap days + days */
/* up to the month + the day of month. */
days = (year * 365) + (year / 4) - (year / 100) + (year / 400) +
DaysAtMonth[month-1] + day;
/* If we haven't hit Feb 29, and this is a leap year, we need to */
/* subtract out the leap day that was added above for this year */
if (month < 3 && IS_LEAP(year))
--days;
return(days);
}
//
// Get the year from a daycount since year 0
// Also get the daycount since the start of the year
//
// Ayecarumba what a pain in the ass!
//
static bit8 Get_Date_From_Day(sint32 days, OUT sint32 &year, OUT sint32 &yday)
{
//register long int rem;
register long int y;
//register const unsigned short int *ip;
if (days <= 365)
{
year=0;
yday=days+1; // 1 based
return(TRUE);
}
y = 1;
days-=365;
days--; // zero based
//
// As far as I can tell there's no non-iteritive way to
// do this...
//
while (days < 0 || days >= (IS_LEAP (y) ? 366 : 365))
{
/* Guess a corrected year, assuming 365 days per year. */
long int yg = y + days / 365 - (days % 365 < 0);
/* Adjust DAYS and Y to match the guessed year. */
days -= ((yg - y) * 365
+ LEAPS_THRU_END_OF (yg - 1)
- LEAPS_THRU_END_OF (y - 1));
y = yg;
}
year=y;
yday=days+1; // 1 based
return(TRUE);
}
//
// Get the max day of a given month in a given year
//
int Max_Day(int month, int year)
{
static char dayTable[2][13] = {
{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
};
bit8 isleap=IS_LEAP(year);
return(dayTable[isleap][month]);
}
/**********************************************************
int main(int argc, char *argv[])
{
Xtime wtime;
int month,mday,year,hour,minute,second,day;
int i;
int dayoffset;
int yr;
int yday;
int ydaycount;
wtime.set(719528,0);
***********************************************
for (year=0; year<10000; year++)
{
ydaycount=1;
for (month=1; month<=12; month++)
{
for (day=1; day<=Max_Day(month,year); day++)
{
dayoffset=Get_Day(month,day,year);
assert (GetDateFromDay(dayoffset,yr,yday)==TRUE);
//printf("Yday=%d YdayCount=%d\n",yday,ydaycount);
if (yr!=year)
{
printf("MO=%d DAY=%d YEAR=%d YR=%d\n",month,day,year,yr);
assert(0);
}
if (yday != ydaycount)
{
printf("MO=%d DAY=%d YEAR=%d YR=%d\n",month,day,year,yr);
printf("Yday=%d YdayCount=%d\n",yday,ydaycount);
assert(0);
}
ydaycount++;
}
}
printf("(%d) ",year);
}
***************************************
///////wtime.addSeconds((60*60*24)-(60*60*8));
////////wtime.addSeconds(-(60*60*8)); // timezone delta
dayoffset=Get_Day(1,1,1970);
printf("DAYOFFSET = %d\n",dayoffset);
wtime.getTime(month, mday, year, hour, minute, second);
printf("\n%s %d %d %d:%02d:%02d\n\n",
MONTHS[month-1],mday,year,hour,minute,second);
struct timeval unixtime;
struct timezone unixtzone;
time_t ttime;
tm tmtime;
memset(&tmtime,0,sizeof(tmtime));
ttime=0;
unixtime.tv_sec=0;
unixtime.tv_usec=0;
//gettimeofday(&unixtime,&unixtzone);
//ttime=time(NULL);
tmtime=*gmtime(&ttime);
printf("TIME->CTIME = %s\n",ctime(&ttime));
printf("GTOD->CTIE = %s\n",ctime(&(unixtime.tv_sec)));
printf("TIME->GMT->ASCTIME = %s\n",asctime(&tmtime));
}
***************************************************************/
//
// Construct with current clock time
//
Xtime::Xtime(void)
{
update();
}
//
// Copy constructor
//
Xtime::Xtime( Xtime &other )
{
day_=other.day_;
msec_=other.msec_;
}
//
// Set to a time_t (1970-2038)
//
Xtime::Xtime( time_t other )
{
day_=719528; // days from year 0 to Jan1, 1970
// Add seconds from time_t
addSeconds(other);
msec_=0;
}
Xtime::~Xtime()
{
}
//
// Add some number of seconds to the time (seconds can be negative)
//
void Xtime::addSeconds(sint32 seconds)
{
// Add to day counter first
day_+=(seconds/86400);
msec_+=(seconds % 86400)*1000;
// Now normalize in case msec is > 1 days worth
normalize();
}
//
// If msec is > 1 days worth, adjust the day count
// & decrement the msec counter until OK.
//
void Xtime::normalize(void)
{
day_+=(msec_/86400000);
msec_%=86400000;
while (msec_ < 0)
{
day_--;
msec_+=86400000;
}
}
//
// Update time to hold the current clock time
// (breaks in 2038 :-)
//
void Xtime::update(void)
{
day_=719528; // day_s from year 0 to Jan1, 1970
msec_=0;
#ifdef _WINDOWS
struct _timeb wintime;
_ftime(&wintime);
addSeconds(wintime.time);
msec_+=wintime.millitm;
#endif
#ifndef _WINDOWS
struct timeval unixtime;
struct timezone unixtzone;
gettimeofday(&unixtime,&unixtzone);
addSeconds(unixtime.tv_sec);
msec_+=(unixtime.tv_usec/1000);
#endif
// Now normalize in case msec is > 1 days worth
normalize();
}
// This takes the standard Microsoft time formatting string
// make sure the out string is big enough
// An example format would be "mm/dd/yy hh:mm:ss"
// CHANGE: Joe Howes 06/30/99
// To specify 12-hour format, use "aa" instead of "hh".
// The hours will be 12 hour and the string will be
// appended with " AM" or " PM".
bit8 Xtime::FormatTime(char *out, char *format)
{
int lastWasH=0;
int ampmflag = 0;
out[0]=0;
char *ptr=format;
if (*ptr=='"') ptr++; // skip past open quote if exists
while (*ptr!=0)
{
if (lastWasH>0)
lastWasH--;
if (isspace(*ptr))
{
if (lastWasH==1) lastWasH=2;
sprintf(out+strlen(out),"%c",*ptr);
ptr+=1;
}
else if (strncmp(ptr,"\"",1)==0)
{
break;
}
else if (strncmp(ptr,":",1)==0)
{
if (lastWasH==1) lastWasH=2;
sprintf(out+strlen(out),":");
ptr+=1;
}
else if (strncmp(ptr,"/",1)==0)
{
sprintf(out+strlen(out),"/");
ptr+=1;
}
else if (strncmp(ptr,"c",1)==0)
{
sprintf(out+strlen(out),"%ld/%ld/%02ld %ld:%02ld:%02ld",getMonth(),
getMDay(),getYear()%100,getHour(),getMinute(),getSecond());
ptr+=1;
}
else if (strncmp(ptr,"dddddd",6)==0)
{
sprintf(out+strlen(out),"%s %02ld, %ld",FULLMONTHS[getMonth()-1],
getMDay(),getYear());
ptr+=6;
}
else if (strncmp(ptr,"ddddd",5)==0)
{
sprintf(out+strlen(out),"%ld/%ld/%02ld",getMonth(),getMDay(),
getYear()%100);
ptr+=5;
}
/*else if (strncmp(ptr,"dddd",4)==0)
{
sprintf(out+strlen(out),"%s",FULLDAYS[getWDay()-1]);
ptr+=4;
}
else if (strncmp(ptr,"ddd",3)==0)
{
sprintf(out+strlen(out),"%s",DAYS[getWDay()-1]);
ptr+=3;
}*/
else if (strncmp(ptr,"dd",2)==0)
{
sprintf(out+strlen(out),"%02ld",getMDay());
ptr+=2;
}
else if (strncmp(ptr,"d",1)==0)
{
sprintf(out+strlen(out),"%ld",getMDay());
ptr+=1;
}
/*else if (strncmp(ptr,"ww",2)==0)
{
sprintf(out+strlen(out),"%02ld",getYWeek());
ptr+=2;
}*/
/*else if (strncmp(ptr,"w",1)==0)
{
sprintf(out+strlen(out),"%ld",getWDay());
ptr+=1;
}*/
else if (strncmp(ptr,"mmmm",4)==0)
{
sprintf(out+strlen(out),"%s",FULLMONTHS[getMonth()-1]);
ptr+=4;
}
else if (strncmp(ptr,"mmm",3)==0)
{
sprintf(out+strlen(out),"%s",MONTHS[getMonth()-1]);
ptr+=3;
}
else if (strncmp(ptr,"mm",2)==0)
{
if (lastWasH==1)
sprintf(out+strlen(out),"%02ld",getMinute());
else
sprintf(out+strlen(out),"%02ld",getMonth());
ptr+=2;
}
else if (strncmp(ptr,"m",1)==0)
{
if (lastWasH==1)
sprintf(out+strlen(out),"%ld",getMinute());
else
sprintf(out+strlen(out),"%ld",getMonth());
ptr+=1;
}
else if (strncmp(ptr,"q",1)==0)
{
sprintf(out+strlen(out),"%ld",((getMonth()-1)/4)+1); // GetQuarter
ptr+=1;
}
else if (strncmp(ptr,"yyyy",4)==0)
{
sprintf(out+strlen(out),"%ld",getYear());
ptr+=4;
}
else if (strncmp(ptr,"yy",2)==0)
{
sprintf(out+strlen(out),"%02ld",getYear()%100);
ptr+=2;
}
/*else if (strncmp(ptr,"y",1)==0)
{
sprintf(out+strlen(out),"%ld",getYDay());
ptr+=1;
}*/
else if (strncmp(ptr,"hh",2)==0)
{
sprintf(out+strlen(out),"%02ld",getHour());
lastWasH=2; // needs to be 1 after top of loop decs it
ptr+=2;
}
else if (strncmp(ptr,"h",1)==0)
{
sprintf(out+strlen(out),"%ld",getHour());
lastWasH=2; // needs to be 1 after top of loop decs it
ptr+=1;
}
else if (strncmp(ptr,"nn",2)==0)
{
sprintf(out+strlen(out),"%02ld",getMinute());
ptr+=2;
}
else if (strncmp(ptr,"n",1)==0)
{
sprintf(out+strlen(out),"%ld",getMinute());
ptr+=1;
}
else if (strncmp(ptr,"ss",2)==0)
{
sprintf(out+strlen(out),"%02ld",getSecond());
ptr+=2;
}
else if (strncmp(ptr,"s",1)==0)
{
sprintf(out+strlen(out),"%ld",getSecond());
ptr+=1;
}
else if (strncmp(ptr,"ttttt",5)==0)
{
sprintf(out+strlen(out),"%ld:%02ld:%02ld",getHour(),getMinute(),
getSecond());
ptr+=5;
}
else if (strncmp(ptr,"aa",2)==0)
{
uint32 tmp = (getHour() <= 12) ? getHour() : getHour() - 12;
sprintf(out+strlen(out),"%02ld", tmp);
lastWasH=2; // needs to be 1 after top of loop decs it
ptr+=2;
ampmflag = 1;
}
else // an unknown char, move to next
ptr++;
}
if(ampmflag)
{
char ampm[4];
if( getHour() < 12 )
strcpy(ampm, " AM");
else
strcpy(ampm, " PM");
sprintf(out+strlen(out), "%s", ampm);
}
return(TRUE);
}
/**************************************
REPLACE THIS CRAP
// Parses a date string that's in modified RFC 1123 format
// Can have a +minutes after the normal time
// eg: Thu, 20 Jun 1996 17:33:49 +100
// Returns true if successfully parsed, false otherwise
bit8 Xtime::ParseDate(char *in)
{
int i;
uint32 minOffset;
struct tm t;
char *ptr=in;
while ((!isgraph(*ptr))&&(*ptr!=0)) ptr++; // skip to start of string
if (*ptr==0) return(FALSE);
t.tm_wday_=-1;
for (i=0; i<7; i++) // parse day_ of week
if (strncmp(ptr,DAYS[i],strlen(DAYS[i]))==0)
t.tm_wday_=i;
if (t.tm_wday_==-1)
return(FALSE);
while ((!isdigit(*ptr))&&(*ptr!=0)) ptr++; // skip to day_ of month
if (*ptr==0) return(FALSE);
t.tm_mday_=atoi(ptr);
while ((!isalpha(*ptr))&&(*ptr!=0)) ptr++; // skip to month
if (*ptr==0) return(FALSE);
t.tm_mon=-1;
for (i=0; i<12; i++) // match month
if (strncmp(ptr,MONTHS[i],strlen(MONTHS[i]))==0) t.tm_mon=i;
if (t.tm_mon==-1) return(FALSE);
while ((!isdigit(*ptr))&&(*ptr!=0)) ptr++;
if (*ptr==0) return(FALSE);
t.tm_year=atoi(ptr);
if (t.tm_year<70) // if they specify a 2 digit year, we'll be nice
t.tm_year+=2000;
else if (t.tm_year<100)
t.tm_year+=1900;
if (t.tm_year>2200) // I doubt my code will be around for another 203 years
return(FALSE);
while ((isdigit(*ptr))&&(*ptr!=0)) ptr++; // skip to end of year
if (*ptr==0) return(FALSE);
while ((!isgraph(*ptr))&&(*ptr!=0)) ptr++; // skip to start of time
if (*ptr==0) return(FALSE);
t.tm_hour=atoi(ptr);
while ((*ptr!=':')&&(*ptr!=0)) ptr++;
ptr++; // skip past colon
if (*ptr==0) return(FALSE);
t.tm_min=atoi(ptr);
while ((*ptr!=':')&&(*ptr!=0)) ptr++;
ptr++; // skip past colon
if (*ptr==0) return(FALSE);
t.tm_sec=atoi(ptr);
t.tm_year%=100; // 1996 is stored as 96, not 1996
t.tm_isdst=-1; // day_light savings info isn't available
sec=(uint32)(mktime(&t));
if ((sint32)sec==-1)
return(FALSE);
// The next part of the time is OPTIONAL (+minutes)
// first skip past the seconds
while ((isdigit(*ptr))&&(*ptr!=0)) ptr++;
if (*ptr==0) return(TRUE);
// skip past any spaces
while ((isspace(*ptr))&&(*ptr!=0)) ptr++;
if (*ptr!='+')
{
//printf("\nNOPE ptr was '%s'\n",ptr);
return(TRUE);
}
ptr++;
if (*ptr==0)
{
//printf("\nPTR WAS 0\n");
return(TRUE);
}
minOffset=atol(ptr);
//printf("\n\nAdding %d minutes!\n\n",minOffset);
sec+=minOffset*60; // add the minutes as seconds
return(TRUE);
}
// In addition to PrintTime & PrintDate there is the 'Print' function
// which prints both in RFC 1123 format
void Xtime::PrintTime(FILE *out) const
{
char string[80];
PrintTime(string);
fprintf(out,"%s",string);
}
void Xtime::PrintTime(char *out) const
{
sprintf(out," %02lu:%02lu:%02lu",GetHour(),GetMinute(),GetSecond());
}
void Xtime::PrintDate(FILE *out) const
{
char string[80];
PrintDate(string);
fprintf(out,"%s",string);
}
void Xtime::PrintDate(char *out) const
{
sprintf(out,"%s, %lu %s %lu",DAYS[GetWDay()-1],GetMDay(),MONTHS[GetMonth()-1],
GetYear());
}
********************************************/
// Get day_s since year 0
sint32 Xtime::getDay(void) const
{
return(day_);
}
// Get msecs since start of day
sint32 Xtime::getMsec(void) const
{
return(msec_);
}
// Set days since year 0
void Xtime::setDay(sint32 newday)
{
day_=newday;
}
// Set msec since start of this day
void Xtime::setMsec(sint32 newmsec)
{
msec_=newmsec;
}
// Set both
void Xtime::set(sint32 newday, sint32 newmsec)
{
day_=newday;
msec_=newmsec;
}
//
// Get a timeval ptr from a Xtime class
// May fail if timeval can't hold a year this big or small
//
bit8 Xtime::getTimeval(struct timeval &tv)
{
// A timeval can only hold dates from 1970-2038
if ((day_ < 719528) || (day_ >= 719528+24855))
return(FALSE);
// Compute seconds since Jan 1, 1970
uint32 seconds=day_-719528;
seconds*=(60*60*24);
seconds+=(msec_/1000);
tv.tv_sec=seconds;
tv.tv_usec=(msec_%1000)*1000;
return(TRUE);
}
//
// Set the time
//
bit8 Xtime::setTime(int month, int mday, int year, int hour, int minute, int second)
{
day_=Get_Day(month,mday,year);
msec_=(hour*1000*60*60)+(minute*1000*60)+(second*1000);
return(TRUE);
}
int Xtime::getYDay(void) const // Day of Year (1-366) (366 = leap yr)
{
int year;
sint32 dayofyear;
if (Get_Date_From_Day(day_,year,dayofyear)==FALSE)
return(-1);
return dayofyear;
}
//
// Get all the components of the time in the usual normalized format.
//
// Most of the uglyness is in Get_Date_From_Day()
//
bit8 Xtime::getTime(int &month, int &mday, int &year, int &hour, int &minute, int &second) const
{
int i;
sint32 dayofyear;
if (Get_Date_From_Day(day_,year,dayofyear)==FALSE)
return(FALSE);
static int DaysAtMonth[2][12] = {
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}, // normal
{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335} // leap year
};
month=0;
bit8 isleap=IS_LEAP(year);
for (i=0; i<12; i++)
{
if (DaysAtMonth[isleap][i] >= dayofyear)
break;
month=i;
}
month++; // 1 based
mday=dayofyear-DaysAtMonth[isleap][month-1];
// Whew! Now all we have to do is figure out H/M/S from the msec!
hour=(msec_/3600000)%24; // 1000*60*60
minute=(msec_/60000)%60; // 1000*60
second=(msec_/ 1000)%60; // 1000
return(TRUE);
}
//
// These are for getting components of the time in the
// standard ranges. Like Day 1-31, Second 0-59, etc...
//
int Xtime::getSecond(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(second);
}
int Xtime::getMinute(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(minute);
}
int Xtime::getHour(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(hour);
}
int Xtime::getMDay(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(mday);
}
int Xtime::getMonth(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(month);
}
// based at year 0 (real 0, not 1970)
int Xtime::getYear(void) const
{
int month,mday,year,hour,minute,second;
getTime(month, mday, year, hour, minute, second);
return(year);
}
//
// Set the seconds value (0-59)
//
bit8 Xtime::setSecond(sint32 sec)
{
sint32 second=(msec_/ 1000)%60;
msec_-=(second*1000);
msec_+=(sec*1000);
return(TRUE);
}
//
// Set the minutes value (0-59)
//
bit8 Xtime::setMinute(sint32 min)
{
sint32 minute=(msec_/60000)%60; // 1000*60
msec_-=(minute*60000);
msec_+=(min*60000);
return(TRUE);
}
//
// Set the minutes value (0-23)
//
bit8 Xtime::setHour(sint32 hour)
{
hour=(msec_/3600000)%24; // 1000*60*60
msec_-=(hour*3600000);
msec_+=(hour*3600000);
return(TRUE);
}
//
// Set the year value
// Results are undefined if you're moving from Feb 29, to a non leap year
//
bit8 Xtime::setYear(sint32 _year)
{
// extract the date
int month,mday,year,hour,min,sec;
getTime(month,mday,year,hour,min,sec);
// modify & rebuild
year=_year;
day_=Get_Day(month,mday,year);
return(TRUE);
}
//
// Modify the month
//
bit8 Xtime::setMonth(sint32 _month)
{
// extract the date
int month,mday,year,hour,min,sec;
getTime(month,mday,year,hour,min,sec);
// modify & rebuild
month=_month;
day_=Get_Day(month,mday,year);
return(TRUE);
}
//
// Modify the day of the month
//
bit8 Xtime::setMDay(sint32 _mday)
{
// extract the date
int month,mday,year,hour,min,sec;
getTime(month,mday,year,hour,min,sec);
// modify & rebuild
mday=_mday;
day_=Get_Day(month,mday,year);
return(TRUE);
}
//
// Compare two times. The time better be normalized
// which it would be unless you've put bad stuff in it!
//
// 1 = *this > other
//-1 = *this < other
// 0 = *this == other
int Xtime::compare(const Xtime &other) const
{
if ((day_==other.day_)&&(msec_==other.msec_))
return(0); // equal
else if (day_>other.day_)
return(1);
else if (day_<other.day_)
return(-1);
else if (msec_>other.msec_)
return(1);
else
return(-1);
}
bit8 Xtime::operator == ( const Xtime &other ) const
{
bit8 retval=compare(other);
if (retval==0)
return(TRUE);
else
return(FALSE);
}
bit8 Xtime::operator != ( const Xtime &other ) const
{
bit8 retval=compare(other);
if (retval==0)
return(FALSE);
else
return(TRUE);
}
bit8 Xtime::operator < ( const Xtime &other ) const
{
int retval=compare(other);
if (retval==-1)
return(TRUE);
else
return(FALSE);
}
bit8 Xtime::operator > ( const Xtime &other ) const
{
int retval=compare(other);
if (retval==1)
return(TRUE);
else
return(FALSE);
}
bit8 Xtime::operator <= ( const Xtime &other ) const
{
int retval=compare(other);
if ((retval==-1)||(retval==0))
return(TRUE);
else
return(FALSE);
}
bit8 Xtime::operator >= ( const Xtime &other ) const
{
int retval=compare(other);
if ((retval==1)||(retval==0))
return(TRUE);
else
return(FALSE);
}
Xtime &Xtime::operator += (const Xtime &other)
{
day_+=other.day_;
msec_+=other.msec_;
normalize();
return *this;
}
Xtime &Xtime::operator -= (const Xtime &other)
{
day_-=other.day_;
msec_-=other.msec_;
normalize();
return *this;
}
Xtime Xtime::operator - (Xtime &other)
{
Xtime temp(*this);
temp-=other;
return(temp);
}
Xtime Xtime::operator + (Xtime &other)
{
Xtime temp(*this);
temp+=other;
return(temp);
}
Xtime &Xtime::operator = (const Xtime &other)
{
day_=other.day_;
msec_=other.msec_;
return *this;
}
Xtime &Xtime::operator += (const time_t other)
{
addSeconds(other);
return *this;
}
Xtime &Xtime::operator -= (const time_t other)
{
addSeconds(-((sint32)other));
return *this;
}
Xtime Xtime::operator - (time_t other)
{
Xtime temp(*this);
temp-=other;
return(temp);
}
Xtime Xtime::operator + (time_t other)
{
Xtime temp(*this);
temp+=other;
return(temp);
}
Xtime &Xtime::operator = (const time_t other)
{
msec_=0;
day_=719528; // Jan 1, 1970
addSeconds(other);
return *this;
}
Reference in a new issue Copy permalink