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authorSteve Dower <steve.dower@microsoft.com>2015-05-22 22:08:34 (GMT)
committerSteve Dower <steve.dower@microsoft.com>2015-05-22 22:08:34 (GMT)
commitd9ef74e3ddffc9327a3b225734cdc5a5028e8d0b (patch)
tree202707d6b6862764cfc7444c85bf10cbc70c7d80
parent945fff44c496c3d918d42b148087faf73008c85d (diff)
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Issue 24244: Prevents termination when an invalid format string is encountered on Windows.
-rw-r--r--Misc/NEWS3
-rw-r--r--Modules/timemodule.c9
2 files changed, 5 insertions, 7 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 8a1c779..a62cca1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -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