don't segfault when \N escapes are used and unicodedata fails to load

Fixes #4367
This commit is contained in:
Benjamin Peterson 2008-11-21 22:27:24 +00:00
parent d42941751c
commit c078f929cb
3 changed files with 30 additions and 3 deletions

View file

@ -1294,13 +1294,14 @@ ast_for_atom(struct compiling *c, const node *n)
if (PyErr_ExceptionMatches(PyExc_UnicodeError)){
PyObject *type, *value, *tback, *errstr;
PyErr_Fetch(&type, &value, &tback);
errstr = ((PyUnicodeErrorObject *)value)->reason;
errstr = PyObject_Str(value);
if (errstr) {
char *s = "";
char buf[128];
s = PyString_AsString(errstr);
PyOS_snprintf(buf, sizeof(buf), "(unicode error) %s", s);
ast_error(n, buf);
Py_DECREF(errstr);
} else {
ast_error(n, "(unicode error) unknown error");
}