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[3.11] gh-97758: Fix a crash in getpath_joinpath() called without arguments (GH-97759) #97903

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Merged
miss-islington merged 1 commit into from
Oct 5, 2022
Merged

[3.11] gh-97758: Fix a crash in getpath_joinpath() called without arguments (GH-97759) #97903

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gh-97758: Fix a crash in getpath_joinpath() called without arguments (G… 
…H-97759)

(cherry picked from commit f8cbd79)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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@serhiy-storchaka @miss-islington
serhiy-storchaka authored and miss-islington committed Oct 5, 2022
commit 024bc08c5b759847f0c439e050e0ddee6b9b4590
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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