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gh-111545: Add Py_HashPointer() function (#112096)

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* Implement _Py_HashPointerRaw() as a static inline function.
* Add Py_HashPointer() tests to test_capi.test_hash.
* Keep _Py_HashPointer() function as an alias to Py_HashPointer().
This commit is contained in:
Victor Stinner 2023-12-06 15:09:22 +01:00 • committed by GitHub
parent f8852634ed
commit 828451dfde
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9 changed files with 103 additions and 22 deletions
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16
Modules/_testcapi/hash.c
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@ -44,8 +44,24 @@ hash_getfuncdef(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
return result;
}
static PyObject *
hash_pointer(PyObject *Py_UNUSED(module), PyObject *arg)
{
void *ptr = PyLong_AsVoidPtr(arg);
if (ptr == NULL && PyErr_Occurred()) {
return NULL;
}
Py_hash_t hash = Py_HashPointer(ptr);
Py_BUILD_ASSERT(sizeof(long long) >= sizeof(hash));
return PyLong_FromLongLong(hash);
}
static PyMethodDef test_methods[] = {
{"hash_getfuncdef", hash_getfuncdef, METH_NOARGS},
{"hash_pointer", hash_pointer, METH_O},
{NULL},
};