| /* $Id$ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you under the Apache License, Version |
| * 2.0 (the "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| ------------------------------------------------------------------------------ |
| By Bob Jenkins, September 1996. |
| lookupa.h, a hash function for table lookup, same function as lookup.c. |
| Use this code in any way you wish. Public Domain. It has no warranty. |
| Source is http://burtleburtle.net/bob/c/lookupa.h |
| ------------------------------------------------------------------------------ |
| */ |
| |
| #ifndef LOOKUPA |
| #define LOOKUPA |
| |
| #ifndef STANDARD |
| #include "jenkstd.h" |
| #endif |
| |
| #define CHECKSTATE 8 |
| #define hashsize(n) ((ub4)1<<(n)) |
| #define hashmask(n) (hashsize(n)-1) |
| |
| ub4 lookup(ub1 *k, ub4 length, ub4 level); |
| void checksum(ub1 *k, ub4 length, ub4 *state); |
| |
| #endif /* LOOKUPA */ |
