$NetBSD: patch-bb,v 1.1 2014/08/13 18:30:03 cheusov Exp $

Do use non-standard getcwd(NULL, 0); This unbreaks cvs on Interix.
--- lib/xgetcwd.c.orig	Mon Sep 19 21:12:25 2005
+++ lib/xgetcwd.c	Wed Aug 13 17:58:42 2014
@@ -25,6 +25,7 @@
 #include "xgetcwd.h"
 
 #include <errno.h>
+#include <limits.h>
 
 #include "getcwd.h"
 #include "xalloc.h"
@@ -36,8 +37,8 @@
 char *
 xgetcwd (void)
 {
-  char *cwd = getcwd (NULL, 0);
+  char *cwd = xmalloc (PATH_MAX);
   if (! cwd && errno == ENOMEM)
     xalloc_die ();
-  return cwd;
+  return getcwd (cwd, PATH_MAX);
 }