--- embedaddon/libiconv/srclib/pathmax.h 2012/02/21 22:57:48 1.1.1.1 +++ embedaddon/libiconv/srclib/pathmax.h 2012/05/29 09:29:43 1.1.1.2 @@ -1,5 +1,6 @@ /* Define PATH_MAX somehow. Requires sys/types.h. - Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009 Free Software Foundation, Inc. + Copyright (C) 1992, 1999, 2001, 2003, 2005, 2009-2011 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 @@ -18,6 +19,27 @@ #ifndef _PATHMAX_H # define _PATHMAX_H +/* POSIX:2008 defines PATH_MAX to be the maximum number of bytes in a filename, + including the terminating NUL byte. + + PATH_MAX is not defined on systems which have no limit on filename length, + such as GNU/Hurd. + + This file does *not* define PATH_MAX always. Programs that use this file + can handle the GNU/Hurd case in several ways: + - Either with a package-wide handling, or with a per-file handling, + - Either through a + #ifdef PATH_MAX + or through a fallback like + #ifndef PATH_MAX + # define PATH_MAX 8192 + #endif + or through a fallback like + #ifndef PATH_MAX + # define PATH_MAX pathconf ("/", _PC_PATH_MAX) + #endif + */ + # include # include @@ -26,11 +48,6 @@ # define _POSIX_PATH_MAX 256 # endif -# if !defined PATH_MAX && defined _PC_PATH_MAX && defined HAVE_PATHCONF -# 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 HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN # include @@ -40,8 +57,13 @@ # define PATH_MAX MAXPATHLEN # endif -# ifndef PATH_MAX -# define PATH_MAX _POSIX_PATH_MAX +# ifdef __hpux +/* On HP-UX, PATH_MAX designates the maximum number of bytes in a filename, + *not* including the terminating NUL byte, and is set to 1023. + Additionally, when _XOPEN_SOURCE is defined to 500 or more, PATH_MAX is + not defined at all any more. */ +# undef PATH_MAX +# define PATH_MAX 1024 # endif #endif /* _PATHMAX_H */