1 /* Define PATH_MAX somehow. Requires sys/types.h.
2 Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2011 Free Software
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
22 /* POSIX:2008 defines PATH_MAX to be the maximum number of bytes in a filename,
23 including the terminating NUL byte.
24 <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html>
25 PATH_MAX is not defined on systems which have no limit on filename length,
32 # ifndef _POSIX_PATH_MAX
33 # define _POSIX_PATH_MAX 256
36 # if !defined PATH_MAX && defined _PC_PATH_MAX && defined HAVE_PATHCONF
37 # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \
38 : pathconf ("/", _PC_PATH_MAX))
41 /* Don't include sys/param.h if it already has been. */
42 # if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
43 # include <sys/param.h>
46 # if !defined PATH_MAX && defined MAXPATHLEN
47 # define PATH_MAX MAXPATHLEN
51 # define PATH_MAX _POSIX_PATH_MAX
55 /* On HP-UX, PATH_MAX designates the maximum number of bytes in a filename,
56 *not* including the terminating NUL byte, and is set to 1023.
57 Additionally, when _XOPEN_SOURCE is defined to 500 or more, PATH_MAX is
58 not defined at all any more. */
60 # define PATH_MAX 1024
63 #endif /* _PATHMAX_H */