From f26e3f1574c14441fd52b9009b0a00d533a88720 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Tue, 9 May 2000 13:28:11 +0000
Subject:         * window.cc (setitimer): Check for overflow condition        
 in tv_sec.

---
 winsup/cygwin/window.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'winsup/cygwin/window.cc')

diff --git a/winsup/cygwin/window.cc b/winsup/cygwin/window.cc
index 161057426..6651ddc54 100644
--- a/winsup/cygwin/window.cc
+++ b/winsup/cygwin/window.cc
@@ -13,6 +13,7 @@ details. */
 #include <sys/time.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <limits.h>
 #include "winsup.h"
 
 static NO_COPY UINT timer_active = 0;
@@ -154,6 +155,12 @@ setitimer (int which, const struct itimerval *value, struct itimerval *oldvalue)
       set_errno (EINVAL);
       return -1;
     }
+  /* Check if we will wrap */
+  if (itv.it_value.tv_sec >= (long) (UINT_MAX / 1000))
+    {
+      set_errno (EINVAL);
+      return -1;
+    }
   if (timer_active)
     {
       KillTimer (gethwnd(), timer_active);
-- 
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