1/* Define PATH_MAX somehow.  Requires sys/types.h.
2   Copyright (C) 1992, 1999, 2001, 2003, 2006 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; if not, write to the Free Software Foundation,
16   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
17
18#ifndef _PATHMAX_H
19# define _PATHMAX_H
20
21# include <unistd.h>
22
23/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
24   PATH_MAX but might cause redefinition warnings when sys/param.h is
25   later included (as on MORE/BSD 4.3).  */
26# if defined _POSIX_VERSION || !defined __GNUC__
27#  include <limits.h>
28# endif
29
30# ifndef _POSIX_PATH_MAX
31#  define _POSIX_PATH_MAX 255
32# endif
33
34# if !defined PATH_MAX && defined _PC_PATH_MAX
35#  define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \
36		    : pathconf ("/", _PC_PATH_MAX))
37# endif
38
39/* Don't include sys/param.h if it already has been.  */
40# if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
41#  include <sys/param.h>
42# endif
43
44# if !defined PATH_MAX && defined MAXPATHLEN
45#  define PATH_MAX MAXPATHLEN
46# endif
47
48# ifndef PATH_MAX
49#  define PATH_MAX _POSIX_PATH_MAX
50# endif
51
52#endif /* _PATHMAX_H */
53