Re: Good hash for pointers

Malcolm McLean <malcolm.arthur.mclean@gmail.com> writes:

On 24/05/2024 00:52, Tim Rentsch wrote:
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Malcolm McLean <malcolm.arthur.mclean@gmail.com> writes:
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On 23/05/2024 23:49, Tim Rentsch wrote:
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Malcolm McLean <malcolm.arthur.mclean@gmail.com> writes:
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What is a good hash function for pointers to use in portable
ANSI C?

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I have a preliminary question.  Do you really mean ANSI C, or
is C99 acceptable?

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C89 is better.
But the pass has been sold.

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I'm not asking which you think is better.  I'm asking about
what your requirements are.

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C 89.
I don't want to pull in C99 types and so on just for a hash function.

In that case I think you are stuck with using a half-baked
solution.  The standard integer types available in C89 just
aren't a good fit in a 64-bit world.