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[thirdparty/bash.git] / include / maxpath.h
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ccc6cda3 1/* maxpath.h - Find out what this system thinks PATH_MAX and NAME_MAX are. */
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2
3/* Copyright (C) 1993 Free Software Foundation, Inc.
4
5 This file is part of GNU Bash, the Bourne Again SHell.
6
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7 Bash is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 Bash is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with Bash. If not, see <http://www.gnu.org/licenses/>.
19*/
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21#if !defined (_MAXPATH_H_)
22#define _MAXPATH_H_
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24/* These values are supposed to be in <limits.h> or one of the files
25 it includes. */
26#if defined (HAVE_LIMITS_H)
27# include <limits.h>
28#endif /* !HAVE_LIMITS_H */
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30/* If PATH_MAX is not defined, look for MAXPATHLEN */
31#if !defined (PATH_MAX)
32# if defined (HAVE_SYS_PARAM_H)
33# include <sys/param.h>
34# define maxpath_param_h
35# endif
36# if defined (MAXPATHLEN) && !defined (PATH_MAX)
37# define PATH_MAX MAXPATHLEN
38# endif /* MAXPATHLEN && !PATH_MAX */
39#endif /* !PATH_MAX */
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41/* If NAME_MAX is not defined, look for MAXNAMLEN */
42#if !defined (NAME_MAX)
43# if defined (HAVE_SYS_PARAM_H) && !defined (maxpath_param_h)
44# include <sys/param.h>
45# endif
46# if defined (MAXNAMLEN) && !defined (NAME_MAX)
47# define NAME_MAX MAXNAMLEN
48# endif /* MAXNAMLEN && !NAME_MAX */
49#endif /* !NAME_MAX */
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51/* Default POSIX values */
52#if !defined (PATH_MAX) && defined (_POSIX_PATH_MAX)
53# define PATH_MAX _POSIX_PATH_MAX
54#endif
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56#if !defined (NAME_MAX) && defined (_POSIX_NAME_MAX)
57# define NAME_MAX _POSIX_NAME_MAX
58#endif
59
60
61/* Default values */
62#if !defined (PATH_MAX)
63# define PATH_MAX 1024
64#endif
65
66#if !defined (NAME_MAX)
67# define NAME_MAX 14
68#endif
69
70#if PATH_MAX < 1024
71# undef PATH_MAX
72# define PATH_MAX 1024
73#endif
74
75#endif /* _MAXPATH_H_ */