Re: New cast between inet/cidr and bytea

Zoltan Boszormenyi wrote:
> Hi,
>
> we at Cybertec have developed cast functions in C between
> inet/cidr <-> bytea for a client and we would like to submit it.
>
> This is how it works:
> - IPv4 inet/cidr value will return 4 bytes if the netmask covers all 32
> bits.
> It returns 5 bytes if the netmask is shorter than 32 bits.
> - Similarly for IPv6, 12[+1] bytes is returned.
> - 4, 5, 12 or 13 bytes long bytea values are converted
> to an inet/cidr value, the 5th or 13th byte is range-checked
> to be a valid netmask value.
>
> What are the requirements for it to be accepted
> as a core cast function or as a contrib module?

You discuss it on the hackers list. Have you read the developer's FAQ?
What is the use case for such a cast?

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