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gh-97758: Fix a crash in getpath_joinpath() called without arguments by serhiy-storchaka · Pull Request #97759 · python/cpython · GitHub
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gh-97758: Fix a crash in getpath_joinpath() called without arguments #97759

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Merged
serhiy-storchaka merged 1 commit into from
Oct 5, 2022
Merged

gh-97758: Fix a crash in getpath_joinpath() called without arguments #97759

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gh-97758: Fix a crash in getpath_joinpath() called without arguments
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@serhiy-storchaka
serhiy-storchaka committed Oct 3, 2022
commit 41a73a47dd9ca16e2691fdd38167b91032e441d5
2 changes: 1 addition & 1 deletion Modules/getpath.c
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,7 @@ getpath_joinpath(PyObject *Py_UNUSED(self), PyObject *args)
}
Py_ssize_t n = PyTuple_GET_SIZE(args);
if (n == 0) {
return PyUnicode_FromString(NULL);
return PyUnicode_FromStringAndSize(NULL, 0);
}
/* Convert all parts to wchar and accumulate max final length */
wchar_t **parts = (wchar_t **)PyMem_Malloc(n * sizeof(wchar_t *));
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