$NetBSD: patch-ac,v 1.3 2012/12/25 21:02:15 joerg Exp $

--- guestd/foreignVMToolsDaemon.c.orig	2008-08-08 07:01:56.000000000 +0000
+++ guestd/foreignVMToolsDaemon.c
@@ -55,7 +55,7 @@
 #include <netinet/tcp.h>
 #include <arpa/inet.h>
 #include <fcntl.h>
-#if defined(__FreeBSD__) || defined(sun) || defined(__APPLE__)
+#if defined(__FreeBSD__) || defined(sun) || defined(__APPLE__) || defined(__NetBSD__)
 #include <unistd.h>
 #else
 #include <linux/unistd.h>
@@ -833,8 +833,7 @@ ForeignToolsSetProperties(ForeignVMTools
     * Do some validation
     */
    if ((NULL == asyncCommand)
-         || (NULL == requestMsg)
-         || (0 > requestMsg->bufferSize)) {
+         || (NULL == requestMsg)) {
       err = VIX_E_INVALID_ARG;
       goto abort;
    }