Merged revisions 81400 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

................
  r81400 | antoine.pitrou | 2010-05-21 19:25:34 +0200 (ven., 21 mai 2010) | 12 lines

  Merged revisions 81398 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r81398 | antoine.pitrou | 2010-05-21 19:12:38 +0200 (ven., 21 mai 2010) | 6 lines

    Issue #5753: A new C API function, :cfunc:`PySys_SetArgvEx`, allows
    embedders of the interpreter to set sys.argv without also modifying
    sys.path.  This helps fix `CVE-2008-5983
    <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5983>`_.
  ........
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diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 33dfbb3..ea67710 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1555,7 +1555,7 @@
 #endif
 
 void
-PySys_SetArgv(int argc, wchar_t **argv)
+PySys_SetArgvEx(int argc, wchar_t **argv, int updatepath)
 {
 #if defined(HAVE_REALPATH)
     wchar_t fullpath[MAXPATHLEN];
@@ -1568,7 +1568,7 @@
         Py_FatalError("no mem for sys.argv");
     if (PySys_SetObject("argv", av) != 0)
         Py_FatalError("can't assign sys.argv");
-    if (path != NULL) {
+    if (updatepath && path != NULL) {
         wchar_t *argv0 = argv[0];
         wchar_t *p = NULL;
         Py_ssize_t n = 0;
@@ -1655,6 +1655,12 @@
     Py_DECREF(av);
 }
 
+void
+PySys_SetArgv(int argc, wchar_t **argv)
+{
+    PySys_SetArgvEx(argc, argv, 1);
+}
+
 /* Reimplementation of PyFile_WriteString() no calling indirectly
    PyErr_CheckSignals(): avoid the call to PyObject_Str(). */