David Heffernan added the comment:
I just ran into this issue. I'm trying to write code like this:
(ctypes.c_char*bufferLen).from_buffer(buffer)
where buffer is a bytearray. When bufferLen is greater than 2GB I fail foul of
this code in _ctypes.c
long length;
....
length = PyLong_AsLongAndOverflow(length_attr, &overflow);
if (overflow) {
PyErr_SetString(PyExc_OverflowError,
"The '_length_' attribute is too large");
Py_DECREF(length_attr);
goto error;
}
Surely this should not be forcing long on us. Can't it use PyLong_AsSsize_t or
perhaps PyLong_AsLongLongAndOverflow?
----------
nosy: +David Heffernan
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Python tracker <[email protected]>
<http://bugs.python.org/issue16865>
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