--- libev/ev_select.c	2009/01/05 14:41:35	1.39
+++ libev/ev_select.c	2009/01/06 19:46:56	1.40
@@ -1,7 +1,7 @@
 /*
  * libev select fd activity backend
  *
- * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de>
+ * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modifica-
@@ -72,6 +72,7 @@
 
   {
 #if EV_SELECT_USE_FD_SET
+    assert (("libev: fd >= FD_SETSIZE passed to fd_set-based select backend", fd < FD_SETSIZE));
 
     #if EV_SELECT_IS_WINSOCKET
     SOCKET handle = anfds [fd].handle;
@@ -158,6 +159,9 @@
    */
   memcpy (vec_eo, vec_wi, fd_setsize);
   res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, (fd_set *)vec_eo, &tv);
+#elif EV_SELECT_USE_FD_SET
+  fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE;
+  res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv);
 #else
   res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv);
 #endif
@@ -265,7 +269,6 @@
   backend_poll   = select_poll;
 
 #if EV_SELECT_USE_FD_SET
-  vec_max = FD_SETSIZE / 32;
   vec_ri  = ev_malloc (sizeof (fd_set)); FD_ZERO ((fd_set *)vec_ri);
   vec_ro  = ev_malloc (sizeof (fd_set));
   vec_wi  = ev_malloc (sizeof (fd_set)); FD_ZERO ((fd_set *)vec_wi);