[3365] | 1 | /* Define PATH_MAX somehow. Requires sys/types.h.
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| 2 | Copyright (C) 1992 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software; you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 2, or (at your option)
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| 7 | any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program; if not, write to the Free Software
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| 16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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| 17 |
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| 18 | #ifndef _PATHMAX_H
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| 19 | #define _PATHMAX_H
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| 20 |
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| 21 | #ifdef HAVE_UNISTD_H
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| 22 | #include <unistd.h>
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| 23 | #endif
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| 24 |
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| 25 | /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
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| 26 | PATH_MAX but might cause redefinition warnings when sys/param.h is
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| 27 | later included (as on MORE/BSD 4.3). */
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| 28 | #if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__))
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| 29 | #include <limits.h>
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| 30 | #endif
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| 31 |
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| 32 | #ifndef _POSIX_PATH_MAX
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| 33 | #define _POSIX_PATH_MAX 255
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| 34 | #endif
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| 35 |
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| 36 | #if !defined(PATH_MAX) && defined(_PC_PATH_MAX)
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| 37 | #define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
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| 38 | #endif
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| 39 |
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| 40 | /* Don't include sys/param.h if it already has been. */
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| 41 | #if defined(HAVE_SYS_PARAM_H) && !defined(PATH_MAX) && !defined(MAXPATHLEN)
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| 42 | #include <sys/param.h>
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| 43 | #endif
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| 44 |
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| 45 | #if !defined(PATH_MAX) && defined(MAXPATHLEN)
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| 46 | #define PATH_MAX MAXPATHLEN
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| 47 | #endif
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| 48 |
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| 49 | #ifndef PATH_MAX
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| 50 | #define PATH_MAX _POSIX_PATH_MAX
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| 51 | #endif
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| 52 |
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| 53 | #endif /* _PATHMAX_H */
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