From 7deddbaf74047db0e64d07a0798c71592e8aa8d5 Mon Sep 17 00:00:00 2001
From: piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Tue, 18 Dec 2007 05:37:28 +0000
Subject: - fix signed time4_t limitation

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3704 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/stuff.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mbbsd/stuff.c b/mbbsd/stuff.c
index b5b18645..9d08e2d2 100644
--- a/mbbsd/stuff.c
+++ b/mbbsd/stuff.c
@@ -223,7 +223,13 @@ gettime(int line, time4_t dt, const char*head)
     i=strlen(head);
     do {
 	getdata_buf(line, i, " ¦è¤¸¦~:", yn, 5, LCECHO);
-    } while ((endtime.tm_year = atoi(yn) - 1900) < 0 || endtime.tm_year > 200);
+    } while ((endtime.tm_year = atoi(yn) - 1970) < 0 || endtime.tm_year > 200);
+
+    // current time4_t is signed.
+    // safe range: 2038(signed)~1970(unsigned)
+    if (endtime.tm_year > 137) endtime.tm_year = 137;
+    if (endtime.tm_year < 70)  endtime.tm_year = 70;
+
     snprintf(yn, sizeof(yn), "%d", ptime->tm_mon + 1);
     do {
 	getdata_buf(line, i+15, "¤ë:", yn, 3, LCECHO);
-- 
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