// NewS32 creates a new hash.Hash32 computing the 32bit xxHash checksum starting with the specific seed.
func NewS32(seed uint32) hash.Hash32 {
h := &xxHash32{
seed: seed,
}
h.Reset()
runtime.SetFinalizer(h, func(h *xxHash32) {
C.XXH32_digest(h.state)
})
return h
}
func (xx *XXHash32) Sum32() uint32 {
return uint32(C.XXH32_digest(&xx.state))
}
// Reset resets the Hash to its initial state.
func (xx *xxHash32) Reset() {
if xx.state != nil {
C.XXH32_digest(xx.state)
}
xx.state = C.XXH32_init(C.uint(xx.seed))
}