From 2384714819751e975f3ee8c5b57ab1f702e25cac Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 15 Nov 2013 17:33:43 +0100
Subject: sysmodule.c: fix sys_update_path(), use Py_ARRAY_LENGTH() to get the
 size of the fullpath buffer, not PATH_MAX. fullpath is declared using
 MAXPATHLEN or MAX_PATH depending on the OS, and PATH_MAX is not declared on
 IRIX.

---
 Python/sysmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 1a41d2f..df9dfb1 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1895,7 +1895,7 @@ sys_update_path(int argc, wchar_t **argv)
 #else /* All other filename syntaxes */
     if (_HAVE_SCRIPT_ARGUMENT(argc, argv)) {
 #if defined(HAVE_REALPATH)
-        if (_Py_wrealpath(argv0, fullpath, PATH_MAX)) {
+        if (_Py_wrealpath(argv0, fullpath, Py_ARRAY_LENGTH(fullpath))) {
             argv0 = fullpath;
         }
 #endif
-- 
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