Hi,
offsetof() is not supported by current Cython, and I have not found any
workaround (except hardcoding offsets for a specific architecture and
compiler, but this is obviously wrong).
offsetof() would certainly be very useful, but in the meantime
offsetof(Struct, field) can be replaced with:
<Py_ssize_t>&(<Struct*>NULL).field
It's not ANSI C, but is portable enough.
Another option (for extern or public structs only) is to abuse
renaming:
enum:
Struct_offsetof_field1 "offsetof(Struct, field1)"
This way a symbolic name can be given to any expression
to be literally pasted into the generated code.
Best regards,
Nikita Nemkin
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