Revert "pythongh-111089: Use PyUnicode_AsUTF8() in sqlite3 (python#11…

…1122)" This reverts commit 37e4e20.
vstinner · Nov 7, 2023 · 8b4a011 · 8b4a011
1 parent 0e87483
commit 8b4a011
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Modules/_sqlite/connection.c b/Modules/_sqlite/connection.c
@@ -76,10 +76,15 @@ isolation_level_converter(PyObject *str_or_none, const char **result)
         *result = NULL;
     }
     else if (PyUnicode_Check(str_or_none)) {
-        const char *str = PyUnicode_AsUTF8(str_or_none);
+        Py_ssize_t sz;
+        const char *str = PyUnicode_AsUTF8AndSize(str_or_none, &sz);
         if (str == NULL) {
             return 0;
         }
+        if (strlen(str) != (size_t)sz) {
+            PyErr_SetString(PyExc_ValueError, "embedded null character");
+            return 0;
+        }
 
         const char *level = get_isolation_level(str);
         if (level == NULL) {