pkg/32994: /usr/pkgsrc/math/sc will not show dates later than 1999

[Jonathan <jdrews%cybox.com@localhost>]

>Number:         32994
>Category:       pkg
>Synopsis:       package math/sc will not show dates later than Dec 31 1999
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Mar 04 18:10:01 +0000 2006
>Originator:     Jonathan <jdrews%cybox.com@localhost>
>Release:        NetBSD 3.0
>Organization:
        <organization of PR author (multiple lines)>
>Environment:
System: NetBSD netbsd.silbsd.org 3.0 NetBSD 3.0 (GENERIC) #0: Mon Dec 19 
01:04:02 UTC 2005 
builds%works.netbsd.org@localhost:/home/builds/ab/netbsd-3-0-RELEASE/i386/200512182024Z-obj/home/builds/ab/netbsd-3-0-RELEASE/src/sys/arch/i386/compile/GENERIC
 
i386
Architecture: i386
Machine: i386
>Description:
        Dates entered in the sc spreadsheet that are later than 31 
December 1999, using the
         command @dts(m,d,y), will not be displayed.
>How-To-Repeat:
        1) start SC in a xterm; do $ sc
        2) Format the column for dates do: f and then enter 10 0 3.
        3) Now enter a recent date. Do: =@dts(3,12,2006) for 12 Mar 2006
        4) The date will not show up.
>Fix:
        Please apply the attached modified patch-ac.
--- interp.c.orig       1992-05-11 12:43:36.000000000 -0600
+++ interp.c    2006-03-04 10:34:11.000000000 -0700
@@ -476,7 +476,7 @@
  do dts(mo, day, yr)
  int mo, day, yr;
  {
-    long trial;
+    time_t trial;
      register struct tm *tp;
      register int i;
      register long jdate;
@@ -484,7 +484,7 @@
      mdays[1] = 28 + (yr%4 == 0);

      if (mo < 1 || mo > 12 || day < 1 || day > mdays[--mo] ||
-               yr > 1999 || yr < 1970) {
+               yr > 2010 || yr < 1970) {
         error("@dts: invalid argument");
         cellerror = CELLERROR;
         return(0.0);
@@ -551,15 +551,13 @@
  int which;
  double when;
  {
-       long time();
-
         static long t_cache;
         static struct tm tm_cache;
         struct tm *tp;
-       long tloc;
+       time_t tloc;

         if (which == NOW)
-           return (double)time((long *)0);
+           return (double)time(NULL);

         tloc = (long)when;

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