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gh-144100: Fix crash for POINTER(str) used in ctypes argtypes #144108

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Merged
vstinner merged 7 commits into from
Jan 26, 2026
Merged

gh-144100: Fix crash for POINTER(str) used in ctypes argtypes #144108

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gh-144100: Fix crash for POINTER(str) used in ctypes argtypes
VanshAgarwal24036 Jan 21, 2026
bda7921
Test corrected
VanshAgarwal24036 Jan 21, 2026
1685958
Update Modules/_ctypes/_ctypes.c
VanshAgarwal24036 Jan 23, 2026
5587067
Update Modules/_ctypes/_ctypes.c
VanshAgarwal24036 Jan 23, 2026
e948a1a
Update test file
VanshAgarwal24036 Jan 23, 2026
8a05d9e
Update test file
VanshAgarwal24036 Jan 23, 2026
138e52d
Fx error fail
VanshAgarwal24036 Jan 23, 2026
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Update Modules/_ctypes/_ctypes.c 
Co-authored-by: Victor Stinner <[email protected]>
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@VanshAgarwal24036 @vstinner
VanshAgarwal24036 and vstinner authored Jan 23, 2026
commit 5587067ab4944f972700c3bd72e48f9a0f99e42b
2 changes: 1 addition & 1 deletion Modules/_ctypes/_ctypes.c
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Expand Up @@ -1419,7 +1419,7 @@ PyCPointerType_from_param_impl(PyObject *type, PyTypeObject *cls,
/* If we expect POINTER(<type>), but receive a <type> instance, accept
it by calling byref(<type>).
*/
if(typeinfo->proto == NULL){
if (typeinfo->proto == NULL) {
PyErr_SetString(
PyExc_TypeError,
"cannot convert argument: POINTER _type_ type is not set"
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