Re: Hash seed breaks 5.8.1 binary API; fix suggested
Chip Salzenberg <firstname.lastname@example.org> writes:
> I suggest we fix this problem in 5.8.2 (which should be released
> quickly) in the following fashion:
> 1. Decree that PL_hash_seed should forever and ever be zero.
> This will make 5.8.0 and 5.8.1 PERL_HASH() calculate the same
> value at all times.
> 2. Create a new variable PL_new_hash_seed which is initialized with
> the methods currently used for PL_hash_seed.
> 3. Add (or xor or whatever) PL_new_hash_seed with the user-provided
> hash value *inside* the functions that use hashes, *not* outside
> These changes should make 5.8.2 both source and binary compatible with
> both 5.8.0. and 5.8.1.
Looks good. I think we should do it.