$OpenBSD: patch-io_c,v 1.1 2008/07/21 09:40:42 bernd Exp $

Fixes multiple security vulnerabilities.
http://secunia.com/advisories/29794/

Patch against ruby-1.8.6p114 from:
http://blog.phusion.nl/assets/r8ee-security-patch-20080623-2.txt
and
https://launchpad.net/ubuntu/+source/ruby1.8

1.8.6-p229 and 1.8.7-p21 will break rails applications.

--- io.c.orig	Tue May 22 18:28:10 2007
+++ io.c	Tue Jul  1 20:47:08 2008
@@ -4851,8 +4851,9 @@ rb_f_select(argc, argv, obj)
 #if !defined(MSDOS) && !defined(__human68k__)
 static int
 io_cntl(fd, cmd, narg, io_p)
-    int fd, cmd, io_p;
+    int fd, io_p;
     long narg;
+    unsigned long cmd;
 {
     int retval;
 
@@ -4882,7 +4883,7 @@ rb_io_ctl(io, req, arg, io_p)
     int io_p;
 {
 #if !defined(MSDOS) && !defined(__human68k__)
-    int cmd = NUM2ULONG(req);
+    unsigned long cmd = NUM2ULONG(req);
     OpenFile *fptr;
     long len = 0;
     long narg = 0;