diff options
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/timemodule.c | 9 |
2 files changed, 5 insertions, 7 deletions
@@ -58,6 +58,9 @@ Core and Builtins Library ------- +- Issue 24244: Prevents termination when an invalid format string is + encountered on Windows in strftime. + - Issue #23973: PEP 484: Add the typing module. - Issue #20035: Replaced the ``tkinter._fix`` module used for setting up the diff --git a/Modules/timemodule.c b/Modules/timemodule.c index 5f6290d..197d2c0 100644 --- a/Modules/timemodule.c +++ b/Modules/timemodule.c @@ -616,13 +616,6 @@ time_strftime(PyObject *self, PyObject *args) { if (outbuf[1]=='#') ++outbuf; /* not documented by python, */ - if (outbuf[1]=='\0' || - !strchr("aAbBcdHIjmMpSUwWxXyYzZ%", outbuf[1])) - { - PyErr_SetString(PyExc_ValueError, "Invalid format string"); - Py_DECREF(format); - return NULL; - } if ((outbuf[1] == 'y') && buf.tm_year < 0) { PyErr_SetString(PyExc_ValueError, @@ -660,7 +653,9 @@ time_strftime(PyObject *self, PyObject *args) PyErr_NoMemory(); break; } + _Py_BEGIN_SUPPRESS_IPH buflen = format_time(outbuf, i, fmt, &buf); + _Py_END_SUPPRESS_IPH #if defined _MSC_VER && _MSC_VER >= 1400 && defined(__STDC_SECURE_LIB__) err = errno; #endif |