From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 15 Nov 2013 16:33:43 +0000 (+0100)
Subject: sysmodule.c: fix sys_update_path(), use Py_ARRAY_LENGTH() to get the size of
X-Git-Tag: v3.4.0b1~267^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2384714819751e975f3ee8c5b57ab1f702e25cac;p=thirdparty%2FPython%2Fcpython.git

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.
---

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 1a41d2fa71ee..df9dfb1f0a0e 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