Function pbase_tree_cache_ix

builtin/pack-objects.c:1923–1926

static struct pbase_tree_cache *(pbase_tree_cache[256]);
static int pbase_tree_cache_ix(const struct object_id *oid)
{
	return oid->hash[0] % ARRAY_SIZE(pbase_tree_cache);
}
static int pbase_tree_cache_ix_incr(int ix)
{
	return (ix+1) % ARRAY_SIZE(pbase_tree_cache);