2 /* Copyright (C) 2005 Free Software Foundation, Inc.
3 Written by Werner Lemberg (wl@gnu.org)
5 This file is part of groff.
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with groff; see the file COPYING. If not, write to the Free Software
19 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
21 /* path_name_max(dir) does the same as pathconf(dir, _PC_PATH_MAX) */
25 #include <sys/types.h>
29 #endif /* HAVE_UNISTD_H */
33 size_t path_name_max()
35 return pathconf("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf("/",_PC_PATH_MAX);
38 #else /* not _POSIX_VERSION */
44 #else /* not HAVE_DIRENT_H */
45 # ifdef HAVE_SYS_DIR_H
47 # endif /* HAVE_SYS_DIR_H */
48 #endif /* not HAVE_DIRENT_H */
52 # define PATH_MAX MAXPATHLEN
53 # else /* !MAXPATHLEN */
55 # define PATH_MAX MAX_PATH
56 # else /* !MAX_PATH */
58 # define PATH_MAX _MAX_PATH
59 # else /* !_MAX_PATH */
61 # endif /* !_MAX_PATH */
62 # endif /* !MAX_PATH */
63 # endif /* !MAXPATHLEN */
64 #endif /* !PATH_MAX */
66 size_t path_name_max()
71 #endif /* not _POSIX_VERSION */