[gschneider] 42402: asctime/ctime: Check for too low input time, fixes one msvcrt time winetest

Author: gschneider
Date: Wed Aug  5 04:06:25 2009
New Revision: 42402

URL: http://svn.reactos.org/svn/reactos?rev=42402&view=rev
Log:
asctime/ctime: Check for too low input time, fixes one msvcrt time winetest

Modified:
    trunk/reactos/lib/sdk/crt/time/ctime.c

Modified: trunk/reactos/lib/sdk/crt/time/ctime.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/time/ctime.c?r…
==============================================================================
--- trunk/reactos/lib/sdk/crt/time/ctime.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/time/ctime.c [iso-8859-1] Wed Aug  5 04:06:25 2009
@@ -1200,14 +1200,23 @@
     "Jul", "Aug", "Sep", "Oct", "Nov",
"Dec"
   };
   static char result[26];
-
-  (void) sprintf(result, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
-         wday_name[timeptr->tm_wday],
-         mon_name[timeptr->tm_mon],
-         timeptr->tm_mday, timeptr->tm_hour,
-         timeptr->tm_min, timeptr->tm_sec,
-         TM_YEAR_BASE + timeptr->tm_year);
-  return result;
+  char* res = result;
+
+  /* Check for invalid input time */
+  if (timeptr->tm_year <= 69)
+  {
+    res = NULL;
+  }
+  else
+  {
+    sprintf(res, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
+            wday_name[timeptr->tm_wday],
+            mon_name[timeptr->tm_mon],
+            timeptr->tm_mday, timeptr->tm_hour,
+            timeptr->tm_min, timeptr->tm_sec,
+            TM_YEAR_BASE + timeptr->tm_year);
+  }
+  return res;
 }
 
 /*