00001 /* Define PATH_MAX somehow. Requires sys/types.h. 00002 Copyright (C) 1992, 1999 Free Software Foundation, Inc. 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU General Public License as published by 00006 the Free Software Foundation; either version 2, or (at your option) 00007 any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU General Public License 00015 along with this program; if not, write to the Free Software Foundation, 00016 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 00017 00018 #ifndef _PATHMAX_H 00019 # define _PATHMAX_H 00020 00021 # ifdef HAVE_UNISTD_H 00022 # include <unistd.h> 00023 # endif 00024 00025 /* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define 00026 PATH_MAX but might cause redefinition warnings when sys/param.h is 00027 later included (as on MORE/BSD 4.3). */ 00028 # if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__)) 00029 # include <limits.h> 00030 # endif 00031 00032 # ifndef _POSIX_PATH_MAX 00033 # define _POSIX_PATH_MAX 255 00034 # endif 00035 00036 # if !defined(PATH_MAX) && defined(_PC_PATH_MAX) 00037 # define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 \ 00038 : pathconf ("/", _PC_PATH_MAX)) 00039 # endif 00040 00041 /* Don't include sys/param.h if it already has been. */ 00042 # if defined(HAVE_SYS_PARAM_H) && !defined(PATH_MAX) && !defined(MAXPATHLEN) 00043 # include <sys/param.h> 00044 # endif 00045 00046 # if !defined(PATH_MAX) && defined(MAXPATHLEN) 00047 # define PATH_MAX MAXPATHLEN 00048 # endif 00049 00050 # ifndef PATH_MAX 00051 # define PATH_MAX _POSIX_PATH_MAX 00052 # endif 00053 00054 #endif /* _PATHMAX_H */
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