--- /dev/null
+/* provide a chdir function that tries not to fail due to ENAMETOOLONG
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Written by Jim Meyering. */
+
+#include <unistd.h>
+#include <limits.h>
+
+#ifndef PATH_MAX
+# ifdef MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+# endif
+#endif
+
+/* On systems without PATH_MAX, presume that chdir accepts
+ arbitrarily long directory names. */
+#ifndef PATH_MAX
+# define chdir_long(Dir) chdir (Dir)
+#else
+int chdir_long (char const *dir);
+#endif