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Artifact 0bf668e3adbaf0b946c08321b5bd6c225613690a:

Attachment "rentrant_time_functions_patch.txt" to ticket [424119ffff] added by hobbs 2001-05-15 09:04:47.
diff -c -r orig/tcl8.3.2/generic/tclClock.c t832/tcl8.3.2/generic/tclClock.c
*** orig/tcl8.3.2/generic/tclClock.c	Mon Aug  7 23:30:56 2000
--- t832/tcl8.3.2/generic/tclClock.c	Wed Apr 11 23:45:34 2001
***************
*** 257,263 ****
      int useGMT;				/* Boolean */
      char *format;			/* Format string */
  {
!     struct tm *timeDataPtr;
      Tcl_DString buffer, uniBuffer;
      int bufSize;
      char *p;
--- 257,263 ----
      int useGMT;				/* Boolean */
      char *format;			/* Format string */
  {
!     struct tm timeData;
      Tcl_DString buffer, uniBuffer;
      int bufSize;
      char *p;
***************
*** 313,319 ****
  #endif
  
      tclockVal = clockVal;
!     timeDataPtr = TclpGetDate((TclpTime_t) &tclockVal, useGMT);
      
      /*
       * Make a guess at the upper limit on the substituted string size
--- 313,319 ----
  #endif
  
      tclockVal = clockVal;
!     TclpGetDate((TclpTime_t) &tclockVal, useGMT,&timeData);
      
      /*
       * Make a guess at the upper limit on the substituted string size
***************
*** 332,338 ****
  
      Tcl_MutexLock(&clockMutex);
      result = TclpStrftime(buffer.string, (unsigned int) bufSize, format,
! 	    timeDataPtr);
      Tcl_MutexUnlock(&clockMutex);
  
  #ifndef HAVE_TM_ZONE
--- 332,338 ----
  
      Tcl_MutexLock(&clockMutex);
      result = TclpStrftime(buffer.string, (unsigned int) bufSize, format,
! 	    &timeData);
      Tcl_MutexUnlock(&clockMutex);
  
  #ifndef HAVE_TM_ZONE
diff -c -r orig/tcl8.3.2/generic/tclDate.c t832/tcl8.3.2/generic/tclDate.c
*** orig/tcl8.3.2/generic/tclDate.c	Mon Aug  7 23:30:36 2000
--- t832/tcl8.3.2/generic/tclDate.c	Wed Apr 11 23:37:17 2001
***************
*** 452,457 ****
--- 452,458 ----
      time_t tod;
      time_t Julian;
      int i;
+     struct tm tms;
  
      /* Figure out how many days are in February for the given year.
       * Every year divisible by 4 is a leap year.
***************
*** 489,496 ****
      Julian += tod;
  
      /* Perform a preliminary DST compensation ?? */
      if (DSTmode == DSTon
!      || (DSTmode == DSTmaybe && TclpGetDate((TclpTime_t)&Julian, 0)->tm_isdst))
          Julian -= 60 * 60;
      *TimePtr = Julian;
      return 0;
--- 490,500 ----
      Julian += tod;
  
      /* Perform a preliminary DST compensation ?? */
+ 
+     TclpGetDate((TclpTime_t)&Julian,0,&tms);
+       
      if (DSTmode == DSTon
!      || (DSTmode == DSTmaybe && tms.tm_isdst))
          Julian -= 60 * 60;
      *TimePtr = Julian;
      return 0;
***************
*** 504,511 ****
  {
      time_t      StartDay;
      time_t      FutureDay;
!     StartDay = (TclpGetDate((TclpTime_t)&Start, 0)->tm_hour + 1) % 24;
!     FutureDay = (TclpGetDate((TclpTime_t)&Future, 0)->tm_hour + 1) % 24;
      return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
  }
  
--- 508,519 ----
  {
      time_t      StartDay;
      time_t      FutureDay;
!     struct tm   tms;    
! 
!     TclpGetDate((TclpTime_t)&Start,0,&tms);
!     StartDay = (tms.tm_hour + 1) % 24;
!     TclpGetDate((TclpTime_t)&Future,0,&tms);
!     FutureDay = (tms.tm_hour + 1) % 24;
      return (Future - Start) + (StartDay - FutureDay) * 60L * 60L;
  }
  
***************
*** 516,527 ****
      time_t      DayOrdinal;
      time_t      DayNumber;
  {
!     struct tm   *tm;
      time_t      now;
  
      now = Start;
!     tm = TclpGetDate((TclpTime_t)&now, 0);
!     now += SECSPERDAY * ((DayNumber - tm->tm_wday + 7) % 7);
      now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
      return DSTcorrect(Start, now);
  }
--- 524,535 ----
      time_t      DayOrdinal;
      time_t      DayNumber;
  {
!     struct tm   tm;
      time_t      now;
  
      now = Start;
!     TclpGetDate((TclpTime_t)&now, 0,&tm);
!     now += SECSPERDAY * ((DayNumber - tm.tm_wday + 7) % 7);
      now += 7 * SECSPERDAY * (DayOrdinal <= 0 ? DayOrdinal : DayOrdinal - 1);
      return DSTcorrect(Start, now);
  }
***************
*** 532,554 ****
      time_t MonthOrdinal;
      time_t MonthNumber;
  {
!     struct tm *tm;
      time_t now;
      int result;
      
      now = Start;
!     tm = TclpGetDate((TclpTime_t)&now, 0);
      /* To compute the next n'th month, we use this alg:
       * add n to year value
       * if currentMonth < requestedMonth decrement year value by 1 (so that
       *  doing next february from january gives us february of the current year)
       * set day to 1, time to 0
       */
!     tm->tm_year += MonthOrdinal;
!     if (tm->tm_mon < MonthNumber - 1) {
! 	tm->tm_year--;
      }
!     result = Convert(MonthNumber, (time_t) 1, tm->tm_year + TM_YEAR_BASE,
  	    (time_t) 0, (time_t) 0, (time_t) 0, MER24, DSTmaybe, &now);
      if (result < 0) {
  	return 0;
--- 540,562 ----
      time_t MonthOrdinal;
      time_t MonthNumber;
  {
!     struct tm tm;
      time_t now;
      int result;
      
      now = Start;
!     TclpGetDate((TclpTime_t)&now, 0, &tm);
      /* To compute the next n'th month, we use this alg:
       * add n to year value
       * if currentMonth < requestedMonth decrement year value by 1 (so that
       *  doing next february from january gives us february of the current year)
       * set day to 1, time to 0
       */
!     tm.tm_year += MonthOrdinal;
!     if (tm.tm_mon < MonthNumber - 1) {
! 	tm.tm_year--;
      }
!     result = Convert(MonthNumber, (time_t) 1, tm.tm_year + TM_YEAR_BASE,
  	    (time_t) 0, (time_t) 0, (time_t) 0, MER24, DSTmaybe, &now);
      if (result < 0) {
  	return 0;
***************
*** 562,568 ****
      time_t RelMonth;
      time_t *TimePtr;
  {
!     struct tm *tm;
      time_t Month;
      time_t Year;
      time_t Julian;
--- 570,576 ----
      time_t RelMonth;
      time_t *TimePtr;
  {
!     struct tm tm;
      time_t Month;
      time_t Year;
      time_t Julian;
***************
*** 572,583 ****
          *TimePtr = 0;
          return 0;
      }
!     tm = TclpGetDate((TclpTime_t)&Start, 0);
!     Month = 12 * (tm->tm_year + TM_YEAR_BASE) + tm->tm_mon + RelMonth;
      Year = Month / 12;
      Month = Month % 12 + 1;
!     result = Convert(Month, (time_t) tm->tm_mday, Year,
! 	    (time_t) tm->tm_hour, (time_t) tm->tm_min, (time_t) tm->tm_sec,
  	    MER24, DSTmaybe, &Julian);
      /*
       * The following iteration takes into account the case were we jump
--- 580,591 ----
          *TimePtr = 0;
          return 0;
      }
!     TclpGetDate((TclpTime_t)&Start, 0,&tm);
!     Month = 12 * (tm.tm_year + TM_YEAR_BASE) + tm.tm_mon + RelMonth;
      Year = Month / 12;
      Month = Month % 12 + 1;
!     result = Convert(Month, (time_t) tm.tm_mday, Year,
! 	    (time_t) tm.tm_hour, (time_t) tm.tm_min, (time_t) tm.tm_sec,
  	    MER24, DSTmaybe, &Julian);
      /*
       * The following iteration takes into account the case were we jump
***************
*** 587,596 ****
       * 28 (which always works unless the date is bad in another way).
       */
  
!     while ((result != 0) && (tm->tm_mday > 28)) {
! 	tm->tm_mday--;
! 	result = Convert(Month, (time_t) tm->tm_mday, Year,
! 		(time_t) tm->tm_hour, (time_t) tm->tm_min, (time_t) tm->tm_sec,
  		MER24, DSTmaybe, &Julian);
      }
      if (result != 0) {
--- 595,604 ----
       * 28 (which always works unless the date is bad in another way).
       */
  
!     while ((result != 0) && (tm.tm_mday > 28)) {
! 	tm.tm_mday--;
! 	result = Convert(Month, (time_t) tm.tm_mday, Year,
! 		(time_t) tm.tm_hour, (time_t) tm.tm_min, (time_t) tm.tm_sec,
  		MER24, DSTmaybe, &Julian);
      }
      if (result != 0) {
***************
*** 819,825 ****
      long zone;
      unsigned long *timePtr;
  {
!     struct tm *tm;
      time_t Start;
      time_t Time;
      time_t tod;
--- 827,833 ----
      long zone;
      unsigned long *timePtr;
  {
!     struct tm tm;
      time_t Start;
      time_t Time;
      time_t tod;
***************
*** 828,838 ****
      TclDateInput = p;
      /* now has to be cast to a time_t for 64bit compliance */
      Start = now;
!     tm = TclpGetDate((TclpTime_t) &Start, 0);
!     thisyear = tm->tm_year + TM_YEAR_BASE;
      TclDateYear = thisyear;
!     TclDateMonth = tm->tm_mon + 1;
!     TclDateDay = tm->tm_mday;
      TclDateTimezone = zone;
      if (zone == -50000) {
          TclDateDSTmode = DSToff;  /* assume GMT */
--- 836,846 ----
      TclDateInput = p;
      /* now has to be cast to a time_t for 64bit compliance */
      Start = now;
!     TclpGetDate((TclpTime_t) &Start, 0, &tm);
!     thisyear = tm.tm_year + TM_YEAR_BASE;
      TclDateYear = thisyear;
!     TclDateMonth = tm.tm_mon + 1;
!     TclDateDay = tm.tm_mday;
      TclDateTimezone = zone;
      if (zone == -50000) {
          TclDateDSTmode = DSToff;  /* assume GMT */
***************
*** 889,896 ****
      } else {
          Start = now;
          if (!TclDateHaveRel) {
!             Start -= ((tm->tm_hour * 60L * 60L) +
! 		    tm->tm_min * 60L) +	tm->tm_sec;
  	}
      }
  
--- 897,904 ----
      } else {
          Start = now;
          if (!TclDateHaveRel) {
!             Start -= ((tm.tm_hour * 60L * 60L) +
! 		    tm.tm_min * 60L) +	tm.tm_sec;
  	}
      }
  
diff -c -r orig/tcl8.3.2/generic/tclIntDecls.h t832/tcl8.3.2/generic/tclIntDecls.h
*** orig/tcl8.3.2/generic/tclIntDecls.h	Thu Jul 27 03:39:18 2000
--- t832/tcl8.3.2/generic/tclIntDecls.h	Wed Apr 11 23:37:25 2001
***************
*** 450,456 ****
  /* 132 */
  EXTERN int		TclpHasSockets _ANSI_ARGS_((Tcl_Interp * interp));
  /* 133 */
! EXTERN struct tm *	TclpGetDate _ANSI_ARGS_((TclpTime_t time, int useGMT));
  /* 134 */
  EXTERN size_t		TclpStrftime _ANSI_ARGS_((char * s, size_t maxsize, 
  				CONST char * format, CONST struct tm * t));
--- 450,456 ----
  /* 132 */
  EXTERN int		TclpHasSockets _ANSI_ARGS_((Tcl_Interp * interp));
  /* 133 */
! EXTERN struct tm *	TclpGetDate _ANSI_ARGS_((TclpTime_t time, int useGMT, struct tm * t));
  /* 134 */
  EXTERN size_t		TclpStrftime _ANSI_ARGS_((char * s, size_t maxsize, 
  				CONST char * format, CONST struct tm * t));
diff -c -r orig/tcl8.3.2/unix/tclUnixTime.c t832/tcl8.3.2/unix/tclUnixTime.c
*** orig/tcl8.3.2/unix/tclUnixTime.c	Fri Jan 14 23:15:52 2000
--- t832/tcl8.3.2/unix/tclUnixTime.c	Wed Apr 11 23:37:31 2001
***************
*** 114,125 ****
      
  #if defined(HAVE_TM_TZADJ)
  #   define TCL_GOT_TIMEZONE
      time_t      curTime = (time_t) currentTime;
!     struct tm  *timeDataPtr = localtime(&curTime);
      int         timeZone;
  
!     timeZone = timeDataPtr->tm_tzadj  / 60;
!     if (timeDataPtr->tm_isdst) {
          timeZone += 60;
      }
      
--- 114,126 ----
      
  #if defined(HAVE_TM_TZADJ)
  #   define TCL_GOT_TIMEZONE
+     struct tm timeData;
      time_t      curTime = (time_t) currentTime;
!     localtime_r(&curTime,&timeData);
      int         timeZone;
  
!     timeZone = timeData.tm_tzadj  / 60;
!     if (timeData.tm_isdst) {
          timeZone += 60;
      }
      
***************
*** 129,139 ****
  #if defined(HAVE_TM_GMTOFF) && !defined (TCL_GOT_TIMEZONE)
  #   define TCL_GOT_TIMEZONE
      time_t     curTime = (time_t) currentTime;
!     struct tm *timeDataPtr = localtime(&curTime);
      int        timeZone;
  
!     timeZone = -(timeDataPtr->tm_gmtoff / 60);
!     if (timeDataPtr->tm_isdst) {
          timeZone += 60;
      }
      
--- 130,141 ----
  #if defined(HAVE_TM_GMTOFF) && !defined (TCL_GOT_TIMEZONE)
  #   define TCL_GOT_TIMEZONE
      time_t     curTime = (time_t) currentTime;
!     struct tm timeData;
      int        timeZone;
  
!     localtime_r(&curTime,&timeData);
!     timeZone = -(timeData.tm_gmtoff / 60);
!     if (timeData.tm_isdst) {
          timeZone += 60;
      }
      
***************
*** 150,160 ****
  
      int timeZone;
      time_t tt;
!     struct tm *stm;
      tt = 849268800L;      /*    1996-11-29 12:00:00  GMT */
!     stm = localtime(&tt); /* eg 1996-11-29  6:00:00  CST6CDT */
      /* The calculation below assumes a max of +12 or -12 hours from GMT */
!     timeZone = (12 - stm->tm_hour)*60 + (0 - stm->tm_min);
      return timeZone;  /* eg +360 for CST6CDT */
  #endif
  
--- 152,163 ----
  
      int timeZone;
      time_t tt;
!     struct tm stm;
! 
      tt = 849268800L;      /*    1996-11-29 12:00:00  GMT */
!     localtime_r(&tt,&stm); /* eg 1996-11-29  6:00:00  CST6CDT */
      /* The calculation below assumes a max of +12 or -12 hours from GMT */
!     timeZone = (12 - stm.tm_hour)*60 + (0 - stm.tm_min);
      return timeZone;  /* eg +360 for CST6CDT */
  #endif
  
***************
*** 260,277 ****
   *----------------------------------------------------------------------
   */
  
! struct tm *
! TclpGetDate(time, useGMT)
      TclpTime_t time;
      int useGMT;
  {
      CONST time_t *tp = (CONST time_t *)time;
  
      if (useGMT) {
! 	return gmtime(tp);
      } else {
! 	return localtime(tp);
      }
  }
  
  /*
--- 263,282 ----
   *----------------------------------------------------------------------
   */
  
! struct tm * 
! TclpGetDate(time, useGMT,tmptr)
      TclpTime_t time;
      int useGMT;
+     struct tm *tmptr;
  {
      CONST time_t *tp = (CONST time_t *)time;
  
      if (useGMT) {
!       gmtime_r(tp,tmptr);
      } else {
!       localtime_r(tp,tmptr);
      }
+     return tmptr;
  }
  
  /*