Bugtraq: RE: SECURITY.NNOV: Multiple applications fd_set structure bitmap array index overflow

["David LeBlanc" <dleblanc () exchange microsoft com>]

-----Original Message-----
From: Damien Miller [mailto:djm () mindrot org] said:

> This effectively limits select to a maximum of FD_SETSIZE descriptors
on Windows. I don't think that this limitiation exists on other
platforms.

---------------------------

Note the bit where it says:

#ifndef FD_SETSIZE
#define FD_SETSIZE      64
#endif /* FD_SETSIZE */

So to make FD_SETSIZE any arbitrarily large value up to whatever your
system can handle, you just redefine FD_SETSIZE before you #include
winsock.h.