strstr: Update cross-compilation guess.

[pspp] / lib / pathmax.h

diff --git a/lib/pathmax.h b/lib/pathmax.h
index dade8236e28710a061049d7520a2a274f5f3af74..c6793f6c4aea9a4860c93aba4533b5ee752e1215 100644 (file)
--- a/lib/pathmax.h
+++ b/lib/pathmax.h
@@ -1,6 +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
@@ -19,6 +19,12 @@
 #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.
+   <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html>
+   PATH_MAX is not defined on systems which have no limit on filename length,
+   such as GNU/Hurd.  */
+
 # include <unistd.h>
 
 # include <limits.h>
@@ -45,4 +51,13 @@
 #  define PATH_MAX _POSIX_PATH_MAX
 # endif
 
+# 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 */