diff options
author | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
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committer | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
commit | b2fa705fd3887c326e811c418469c784353027f4 (patch) | |
tree | b3428f73de91453edbfd4df1a5d4a212d182eb44 /Modules/_io/clinic/stringio.c.h | |
parent | 134e58fd3aaa2e91390041e143f3f0a21a60142b (diff) | |
parent | b53654b6dbfce8318a7d4d1cdaddca7a7fec194b (diff) | |
download | cpython-b2fa705fd3887c326e811c418469c784353027f4.tar.gz |
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Modules/_io/clinic/stringio.c.h')
-rw-r--r-- | Modules/_io/clinic/stringio.c.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Modules/_io/clinic/stringio.c.h b/Modules/_io/clinic/stringio.c.h index a8e32a3376..d2c05d7cb1 100644 --- a/Modules/_io/clinic/stringio.c.h +++ b/Modules/_io/clinic/stringio.c.h @@ -61,8 +61,9 @@ _io_StringIO_read(stringio *self, PyObject *args) if (!PyArg_UnpackTuple(args, "read", 0, 1, - &arg)) + &arg)) { goto exit; + } return_value = _io_StringIO_read_impl(self, arg); exit: @@ -91,8 +92,9 @@ _io_StringIO_readline(stringio *self, PyObject *args) if (!PyArg_UnpackTuple(args, "readline", 0, 1, - &arg)) + &arg)) { goto exit; + } return_value = _io_StringIO_readline_impl(self, arg); exit: @@ -123,8 +125,9 @@ _io_StringIO_truncate(stringio *self, PyObject *args) if (!PyArg_UnpackTuple(args, "truncate", 0, 1, - &arg)) + &arg)) { goto exit; + } return_value = _io_StringIO_truncate_impl(self, arg); exit: @@ -157,8 +160,9 @@ _io_StringIO_seek(stringio *self, PyObject *args) int whence = 0; if (!PyArg_ParseTuple(args, "n|i:seek", - &pos, &whence)) + &pos, &whence)) { goto exit; + } return_value = _io_StringIO_seek_impl(self, pos, whence); exit: @@ -217,13 +221,15 @@ static int _io_StringIO___init__(PyObject *self, PyObject *args, PyObject *kwargs) { int return_value = -1; - static char *_keywords[] = {"initial_value", "newline", NULL}; + static const char * const _keywords[] = {"initial_value", "newline", NULL}; + static _PyArg_Parser _parser = {"|OO:StringIO", _keywords, 0}; PyObject *value = NULL; PyObject *newline_obj = NULL; - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OO:StringIO", _keywords, - &value, &newline_obj)) + if (!_PyArg_ParseTupleAndKeywordsFast(args, kwargs, &_parser, + &value, &newline_obj)) { goto exit; + } return_value = _io_StringIO___init___impl((stringio *)self, value, newline_obj); exit: @@ -283,4 +289,4 @@ _io_StringIO_seekable(stringio *self, PyObject *Py_UNUSED(ignored)) { return _io_StringIO_seekable_impl(self); } -/*[clinic end generated code: output=f061cf3a20cd14ed input=a9049054013a1b77]*/ +/*[clinic end generated code: output=5dd5c2a213e75405 input=a9049054013a1b77]*/ |