pystring: disable PyString::data
on big-endian targets
#1834
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Based on the discussion in #1824, this PR disables the
PyString::data
API on big-endian architectures.Because of the lack of well-definedness of the underlying C bitfield, I also think it's appropriate to mark the API as
unsafe
. Users are then free to use it as they please; the safety note specifies that they are responsible for confirming it works correctly on their target.If merged, I'll backport to 0.14 and release a 0.14.4.
cc @indygreg - this allows PyOxidizer to continue to use this API as needed, with explicit acknowledgement of the risks!