gh-133157: remove usage of _Py_NO_SANITIZE_UNDEFINED in pyexpat
#135346
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−10
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…pat` Co-Authored-By: Bénédikt Tran <[email protected]>
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I think it's a clean alternative and doesn't need C11 (though I'm not entirely sure my solution needs C11). At least, your solution doesn't. |
picnixz
reviewed
Jun 10, 2025
Co-authored-by: Bénédikt Tran <[email protected]>
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AFAIK, to avoid undefined behavior, a function needs to be called via a function pointer of the correct type.
For storage, it can be cast to any other function type. It just needs to be cast back, when retrieved.
So, we should be able to avoid the union in #134050... but not C function for each setter (or at least one for each type, but
SETTER_WRAPPERseems clearer).@picnixz: I didn't test this all the way; will continue tomorrow