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author | Jim Meyering <jim@meyering.net> | 1994-04-28 18:39:34 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1994-04-28 18:39:34 +0000 |
commit | d90d17e378e0ed4396331bca82a1903d925ca156 (patch) | |
tree | fa80c4b0136a5a072863bf5f9b6c4bb7e3ec295f /lib/pathmax.h | |
parent | f7700804269b86e66e824f22b630828278490996 (diff) | |
download | coreutils-d90d17e378e0ed4396331bca82a1903d925ca156.tar.xz |
Initial revision
Diffstat (limited to 'lib/pathmax.h')
-rw-r--r-- | lib/pathmax.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/pathmax.h b/lib/pathmax.h new file mode 100644 index 000000000..cfa14dd59 --- /dev/null +++ b/lib/pathmax.h @@ -0,0 +1,53 @@ +/* Define PATH_MAX somehow. Requires sys/types.h. + Copyright (C) 1992 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef _PATHMAX_H +#define _PATHMAX_H + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define + PATH_MAX but might cause redefinition warnings when sys/param.h is + later included (as on MORE/BSD 4.3). */ +#if defined(_POSIX_VERSION) || (defined(HAVE_LIMITS_H) && !defined(__GNUC__)) +#include <limits.h> +#endif + +#ifndef _POSIX_PATH_MAX +#define _POSIX_PATH_MAX 255 +#endif + +#if !defined(PATH_MAX) && defined(_PC_PATH_MAX) +#define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX)) +#endif + +/* Don't include sys/param.h if it already has been. */ +#if !defined(PATH_MAX) && !defined(MAXPATHLEN) && !defined(__MSDOS__) +#include <sys/param.h> +#endif + +#if !defined(PATH_MAX) && defined(MAXPATHLEN) +#define PATH_MAX MAXPATHLEN +#endif + +#ifndef PATH_MAX +#define PATH_MAX _POSIX_PATH_MAX +#endif + +#endif /* _PATHMAX_H */ |