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// -*- C++ -*-
/* Copyright (C) 2005-2020 Free Software Foundation, Inc.
Written by Werner Lemberg (wl@gnu.org)
This file is part of groff.
groff 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 3 of the License, or
(at your option) any later version.
groff 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, see <http://www.gnu.org/licenses/>. */
/* path_name_max(dir) does the same as pathconf(dir, _PC_PATH_MAX) */
#include "lib.h"
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#ifdef _POSIX_VERSION
size_t path_name_max()
{
return pathconf("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf("/",_PC_PATH_MAX);
}
#else /* not _POSIX_VERSION */
#include <stdlib.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#else /* not HAVE_DIRENT_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif /* HAVE_SYS_DIR_H */
#endif /* not HAVE_DIRENT_H */
#ifndef PATH_MAX
# ifdef MAXPATHLEN
# define PATH_MAX MAXPATHLEN
# else /* !MAXPATHLEN */
# ifdef MAX_PATH
# define PATH_MAX MAX_PATH
# else /* !MAX_PATH */
# ifdef _MAX_PATH
# define PATH_MAX _MAX_PATH
# else /* !_MAX_PATH */
# define PATH_MAX 255
# endif /* !_MAX_PATH */
# endif /* !MAX_PATH */
# endif /* !MAXPATHLEN */
#endif /* !PATH_MAX */
size_t path_name_max()
{
return PATH_MAX;
}
#endif /* not _POSIX_VERSION */
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