maxpath.h   [plain text]

/* maxpath.h - Find out what this system thinks PATH_MAX and NAME_MAX are. */

/* Copyright (C) 1993 Free Software Foundation, Inc.

   This file is part of GNU Bash, the Bourne Again SHell.

   Bash 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 2, or (at your option) any later
   version.

   Bash 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 Bash; see the file COPYING.  If not, write to the Free Software
   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */

#if !defined (_MAXPATH_H_)
#define _MAXPATH_H_

/* These values are supposed to be in <limits.h> or one of the files
   it includes. */
#if defined (HAVE_LIMITS_H)
#  include <limits.h>
#endif /* !HAVE_LIMITS_H */

/* If PATH_MAX is not defined, look for MAXPATHLEN */
#if !defined (PATH_MAX)
#  if defined (HAVE_SYS_PARAM_H)
#    include <sys/param.h>
#    define maxpath_param_h
#  endif
#  if defined (MAXPATHLEN) && !defined (PATH_MAX)
#    define PATH_MAX MAXPATHLEN
#  endif /* MAXPATHLEN && !PATH_MAX */
#endif /* !PATH_MAX */

/* If NAME_MAX is not defined, look for MAXNAMLEN */
#if !defined (NAME_MAX)
#  if defined (HAVE_SYS_PARAM_H) && !defined (maxpath_param_h)
#    include <sys/param.h>
#  endif
#  if defined (MAXNAMLEN) && !defined (NAME_MAX)
#    define NAME_MAX MAXNAMLEN
#  endif /* MAXNAMLEN && !NAME_MAX */
#endif /* !NAME_MAX */

/* Default POSIX values */
#if !defined (PATH_MAX) && defined (_POSIX_PATH_MAX)
#  define PATH_MAX _POSIX_PATH_MAX
#endif

#if !defined (NAME_MAX) && defined (_POSIX_NAME_MAX)
#  define NAME_MAX _POSIX_NAME_MAX
#endif


/* Default values */
#if !defined (PATH_MAX)
#  define PATH_MAX 1024
#endif

#if !defined (NAME_MAX)
#  define NAME_MAX 14
#endif

#if PATH_MAX < 1024
#  undef PATH_MAX
#  define PATH_MAX 1024
#endif

#endif /* _MAXPATH_H_ */