[issue46323] Use _PyObject_Vectorcall in Modules/_ctypes/callbacks.c

[hydroflask]

hydroflask <hydroflask at yqxmail.com> added the comment:

@corona10

I really hope I am not being annoying at this point :) One final nit, in this line:

https://github.com/python/cpython/pull/31224/files#diff-706e65ee28911740bf638707e19578b8182e57c6a8a9a4a91105d825f95a139dR168

You do not have to check if nargs > 0. alloca() can handle the case when nargs == 0. The usage of alloca() in callproc.c does not check for nargs > 0 either.

Otherwise thanks for this enhancement!

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