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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().
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Victor Stinner 2023-12-06 15:09:22 +01:00 • committed by GitHub
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Doc/c-api/hash.rst
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@ -49,3 +49,13 @@ See also the :c:member:`PyTypeObject.tp_hash` member.
:pep:`456` "Secure and interchangeable hash algorithm".
.. versionadded:: 3.4
.. c:function:: Py_hash_t Py_HashPointer(const void *ptr)
Hash a pointer value: process the pointer value as an integer (cast it to
``uintptr_t`` internally). The pointer is not dereferenced.
The function cannot fail: it cannot return ``-1``.
.. versionadded:: 3.13