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make _tkinter._flatten check the result of PySequence_Size for errors #3880

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Benjamin Peterson 2009-01-30 02:24:39 +00:00
parent 4a69410e9f
commit b3619be995
2 changed files with 13 additions and 2 deletions
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4
Modules/_tkinter.c
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@ -2908,7 +2908,9 @@ Tkinter_Flatten(PyObject* self, PyObject* args)
return NULL;
context.maxsize = PySequence_Size(item);
if (context.maxsize <= 0)
if (context.maxsize < 0)
return NULL;
if (context.maxsize == 0)
return PyTuple_New(0);
context.tuple = PyTuple_New(context.maxsize);