pythongh-97758: Fix a crash in getpath_joinpath() called without argu…

…ments (pythonGH-97759) (cherry picked from commit f8cbd79) Co-authored-by: Serhiy Storchaka <[email protected]>
miss-islington · Oct 5, 2022 · 024bc08 · 024bc08
1 parent 79b5c1a
commit 024bc08
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Modules/getpath.c b/Modules/getpath.c
@@ -261,7 +261,7 @@ getpath_joinpath(PyObject *Py_UNUSED(self), PyObject *args)
     }
     Py_ssize_t n = PyTuple_GET_SIZE(args);
     if (n == 0) {
-        return PyUnicode_FromString(NULL);
+        return PyUnicode_FromStringAndSize(NULL, 0);
     }
     /* Convert all parts to wchar and accumulate max final length */
     wchar_t **parts = (wchar_t **)PyMem_Malloc(n * sizeof(wchar_t *));