xref: /dflybsd-src/contrib/cvs-1.12/lib/pathmax.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /* Define PATH_MAX somehow.  Requires sys/types.h.
2*86d7f5d3SJohn Marino    Copyright (C) 1992, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
3*86d7f5d3SJohn Marino 
4*86d7f5d3SJohn Marino    This program is free software; you can redistribute it and/or modify
5*86d7f5d3SJohn Marino    it under the terms of the GNU General Public License as published by
6*86d7f5d3SJohn Marino    the Free Software Foundation; either version 2, or (at your option)
7*86d7f5d3SJohn Marino    any later version.
8*86d7f5d3SJohn Marino 
9*86d7f5d3SJohn Marino    This program is distributed in the hope that it will be useful,
10*86d7f5d3SJohn Marino    but WITHOUT ANY WARRANTY; without even the implied warranty of
11*86d7f5d3SJohn Marino    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12*86d7f5d3SJohn Marino    GNU General Public License for more details.
13*86d7f5d3SJohn Marino 
14*86d7f5d3SJohn Marino    You should have received a copy of the GNU General Public License
15*86d7f5d3SJohn Marino    along with this program; if not, write to the Free Software Foundation,
16*86d7f5d3SJohn Marino    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
17*86d7f5d3SJohn Marino 
18*86d7f5d3SJohn Marino #ifndef _PATHMAX_H
19*86d7f5d3SJohn Marino # define _PATHMAX_H
20*86d7f5d3SJohn Marino 
21*86d7f5d3SJohn Marino # if HAVE_UNISTD_H
22*86d7f5d3SJohn Marino #  include <unistd.h>
23*86d7f5d3SJohn Marino # endif
24*86d7f5d3SJohn Marino 
25*86d7f5d3SJohn Marino # include <limits.h>
26*86d7f5d3SJohn Marino 
27*86d7f5d3SJohn Marino # ifndef _POSIX_PATH_MAX
28*86d7f5d3SJohn Marino #  define _POSIX_PATH_MAX 256
29*86d7f5d3SJohn Marino # endif
30*86d7f5d3SJohn Marino 
31*86d7f5d3SJohn Marino # if !defined PATH_MAX && defined _PC_PATH_MAX
32*86d7f5d3SJohn Marino #  define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \
33*86d7f5d3SJohn Marino 		    : pathconf ("/", _PC_PATH_MAX))
34*86d7f5d3SJohn Marino # endif
35*86d7f5d3SJohn Marino 
36*86d7f5d3SJohn Marino /* Don't include sys/param.h if it already has been.  */
37*86d7f5d3SJohn Marino # if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
38*86d7f5d3SJohn Marino #  include <sys/param.h>
39*86d7f5d3SJohn Marino # endif
40*86d7f5d3SJohn Marino 
41*86d7f5d3SJohn Marino # if !defined PATH_MAX && defined MAXPATHLEN
42*86d7f5d3SJohn Marino #  define PATH_MAX MAXPATHLEN
43*86d7f5d3SJohn Marino # endif
44*86d7f5d3SJohn Marino 
45*86d7f5d3SJohn Marino # ifndef PATH_MAX
46*86d7f5d3SJohn Marino #  define PATH_MAX _POSIX_PATH_MAX
47*86d7f5d3SJohn Marino # endif
48*86d7f5d3SJohn Marino 
49*86d7f5d3SJohn Marino #endif /* _PATHMAX_H */
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