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ffca4c22 | 1 | /* Define PATH_MAX somehow. Requires sys/types.h. |
49114fd4 | 2 | Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2011 Free Software |
61cd9dc9 | 3 | Foundation, Inc. |
ffca4c22 AW |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU Lesser General Public License as published by | |
7 | the Free Software Foundation; either version 2, or (at your option) | |
8 | any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public License | |
16 | along with this program; if not, write to the Free Software Foundation, | |
17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
18 | ||
19 | #ifndef _PATHMAX_H | |
20 | # define _PATHMAX_H | |
21 | ||
231c0e0e LC |
22 | /* POSIX:2008 defines PATH_MAX to be the maximum number of bytes in a filename, |
23 | including the terminating NUL byte. | |
24 | <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html> | |
25 | PATH_MAX is not defined on systems which have no limit on filename length, | |
26 | such as GNU/Hurd. */ | |
27 | ||
ffca4c22 AW |
28 | # include <unistd.h> |
29 | ||
30 | # include <limits.h> | |
31 | ||
32 | # ifndef _POSIX_PATH_MAX | |
33 | # define _POSIX_PATH_MAX 256 | |
34 | # endif | |
35 | ||
36 | # if !defined PATH_MAX && defined _PC_PATH_MAX && defined HAVE_PATHCONF | |
37 | # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \ | |
1cd4fffc | 38 | : pathconf ("/", _PC_PATH_MAX)) |
ffca4c22 AW |
39 | # endif |
40 | ||
41 | /* Don't include sys/param.h if it already has been. */ | |
42 | # if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN | |
43 | # include <sys/param.h> | |
44 | # endif | |
45 | ||
46 | # if !defined PATH_MAX && defined MAXPATHLEN | |
47 | # define PATH_MAX MAXPATHLEN | |
48 | # endif | |
49 | ||
50 | # ifndef PATH_MAX | |
51 | # define PATH_MAX _POSIX_PATH_MAX | |
52 | # endif | |
53 | ||
231c0e0e LC |
54 | # ifdef __hpux |
55 | /* On HP-UX, PATH_MAX designates the maximum number of bytes in a filename, | |
56 | *not* including the terminating NUL byte, and is set to 1023. | |
57 | Additionally, when _XOPEN_SOURCE is defined to 500 or more, PATH_MAX is | |
58 | not defined at all any more. */ | |
59 | # undef PATH_MAX | |
60 | # define PATH_MAX 1024 | |
61 | # endif | |
62 | ||
ffca4c22 | 63 | #endif /* _PATHMAX_H */ |