blob: 821dd3128afb78360c507ed0e416f263c9170ee8 [file] [log] [blame]
// Copyright (C) 2023 The Android Open Source Project
//
// Licensed 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.
export function hash(s: string, max: number): number {
let hash = 0x811c9dc5 & 0xfffffff;
for (let i = 0; i < s.length; i++) {
hash ^= s.charCodeAt(i);
hash = (hash * 16777619) & 0xffffffff;
}
return Math.abs(hash) % max;
}