From: Michael G Schwern <schwern@pobox.com>
Date: Mon, 15 Sep 2008 01:29:27 +0000 (-0700)
Subject: Pull in changes from y2038
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=c07fe26c2bb3c792760a8f9c8924bb13de4a0ad5;p=p5sagit%2Fp5-mst-13.2.git

Pull in changes from y2038

Fix localtime() for negative dates.
---

diff --git a/localtime64.c b/localtime64.c
index ef8c40a..cfad70d 100644
--- a/localtime64.c
+++ b/localtime64.c
@@ -194,8 +194,6 @@ int _cycle_offset(Int64 year)
     Int64 exceptions  = year_diff / 100;
     exceptions     -= year_diff / 400;
 
-    assert( year >= 2001 );
-
     /* printf("year: %d, exceptions: %d\n", year, exceptions); */
 
     return exceptions * 16;
@@ -359,8 +357,12 @@ struct tm *localtime64_r (const Time64_T *time, struct tm *local_tm)
 
     orig_year = gm_tm.tm_year;
 
-    if (gm_tm.tm_year > (2037 - 1900))
+    if (gm_tm.tm_year > (2037 - 1900) ||
+        gm_tm.tm_year < (1902 - 1900)
+       )
+    {
         gm_tm.tm_year = _safe_year(gm_tm.tm_year + 1900) - 1900;
+    }
 
     safe_time = TIMEGM(&gm_tm);
     if( localtime_r(&safe_time, local_tm) == NULL )