- better range checking on time_4t

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3709 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 4 insertions, 1 deletions

diff --git a/mbbsd/stuff.c b/mbbsd/stuff.c
index 0316bc50..e65ee2c2 100644
--- a/mbbsd/stuff.c
+++ b/mbbsd/stuff.c
@@ -224,7 +224,10 @@ 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);
+	// signed:   limited on (2037, ...)
+	// unsigned: limited on (..., 1970)
+	// let's restrict inside the boundary.
+    } while ((endtime.tm_year = atoi(yn) - 1900) < 70 || endtime.tm_year > 135);
     snprintf(yn, sizeof(yn), "%d", ptime->tm_mon + 1);
     do {
 	getdata_buf(line, i+15, "¤ë:", yn, 3, LCECHO);