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Backport r65745: Issue #2222: Fixed reference leak when occured 

os.rename() fails unicode conversion on 2nd parameter. (windows only)
This commit is contained in:
Hirokazu Yamamoto 2008-08-17 09:39:06 +00:00
parent f0a41637ca
commit 50c6072fc0
1 changed files with 26 additions and 28 deletions
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54
Modules/posixmodule.c
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@ -473,24 +473,18 @@ static PyObject *_PyUnicode_FromFileSystemEncodedObject(register PyObject *obj)
{
}
/* Function suitable for O& conversion */
static int
convert_to_unicode(PyObject *arg, void* _param)
convert_to_unicode(PyObject **param)
{
PyObject **param = (PyObject**)_param;
if (PyUnicode_CheckExact(arg)) {
Py_INCREF(arg);
*param = arg;
}
else if (PyUnicode_Check(arg)) {
if (PyUnicode_CheckExact(*param))
Py_INCREF(*param);
else if (PyUnicode_Check(*param))
/* For a Unicode subtype that's not a Unicode object,
return a true Unicode object with the same data. */
*param = PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(arg),
PyUnicode_GET_SIZE(arg));
return *param != NULL;
}
*param = PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(*param),
PyUnicode_GET_SIZE(*param));
else
*param = PyUnicode_FromEncodedObject(arg,
*param = PyUnicode_FromEncodedObject(*param,
Py_FileSystemDefaultEncoding,
"strict");
return (*param) != NULL;
@ -2397,22 +2391,26 @@ posix_rename(PyObject *self, PyObject *args)
char *p1, *p2;
BOOL result;
if (unicode_file_names()) {
if (!PyArg_ParseTuple(args, "O&O&:rename",
convert_to_unicode, &o1,
convert_to_unicode, &o2))
PyErr_Clear();
else {
Py_BEGIN_ALLOW_THREADS
result = MoveFileW(PyUnicode_AsUnicode(o1),
PyUnicode_AsUnicode(o2));
Py_END_ALLOW_THREADS
Py_DECREF(o1);
Py_DECREF(o2);
if (!result)
return win32_error("rename", NULL);
Py_INCREF(Py_None);
return Py_None;
if (!PyArg_ParseTuple(args, "OO:rename", &o1, &o2))
goto error;
if (!convert_to_unicode(&o1))
goto error;
if (!convert_to_unicode(&o2)) {
Py_DECREF(o1);
goto error;
}
Py_BEGIN_ALLOW_THREADS
result = MoveFileW(PyUnicode_AsUnicode(o1),
PyUnicode_AsUnicode(o2));
Py_END_ALLOW_THREADS
Py_DECREF(o1);
Py_DECREF(o2);
if (!result)
return win32_error("rename", NULL);
Py_INCREF(Py_None);
return Py_None;
error:
PyErr_Clear();
}
if (!PyArg_ParseTuple(args, "ss:rename", &p1, &p2))
return NULL;