/* Define PATH_MAX somehow. Requires sys/types.h.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2010 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
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _PATHMAX_H
-#define _PATHMAX_H
+# define _PATHMAX_H
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+# include <unistd.h>
-/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
- PATH_MAX but might cause redefinition warnings when sys/param.h is
- later included (as on MORE/BSD 4.3). */
-#if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__))
-#include <limits.h>
-#endif
+# include <limits.h>
-#ifndef _POSIX_PATH_MAX
-#define _POSIX_PATH_MAX 255
-#endif
+# ifndef _POSIX_PATH_MAX
+# define _POSIX_PATH_MAX 256
+# endif
-#if !defined(PATH_MAX) && defined(_PC_PATH_MAX)
-#define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
-#endif
+# if !defined PATH_MAX && defined _PC_PATH_MAX && defined HAVE_PATHCONF
+# define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \
+ : pathconf ("/", _PC_PATH_MAX))
+# endif
/* Don't include sys/param.h if it already has been. */
-#if !defined(PATH_MAX) && !defined(MAXPATHLEN) && !defined(__MSDOS__)
-#include <sys/param.h>
-#endif
+# if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
+# include <sys/param.h>
+# endif
-#if !defined(PATH_MAX) && defined(MAXPATHLEN)
-#define PATH_MAX MAXPATHLEN
-#endif
+# if !defined PATH_MAX && defined MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+# endif
-#ifndef PATH_MAX
-#define PATH_MAX _POSIX_PATH_MAX
-#endif
+# ifndef PATH_MAX
+# define PATH_MAX _POSIX_PATH_MAX
+# endif
#endif /* _PATHMAX_H */