Provide the inflate stream with a
dictionary that may be required in the future. Multiple dictionaries may
be provided. The inflate stream
will automatically choose the correct user-provided dictionary based on the
stream’s required dictionary.
static VALUE
rb_inflate_add_dictionary(VALUE obj, VALUE dictionary) {
VALUE dictionaries = rb_ivar_get(obj, id_dictionaries);
VALUE checksum = do_checksum(1, &dictionary, adler32);
rb_hash_aset(dictionaries, checksum, dictionary);
return obj;
}