blob: be9304df45789859342be6f37a882013c1a0700b [file] [log] [blame]
/*
* Copyright (C) 2012 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.
*/
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <cutils/multiuser.h>
userid_t getUserId(uid_t uid) {
return uid / MULTIUSER_APP_PER_USER_RANGE;
}
appid_t getAppId(uid_t uid) {
return uid % MULTIUSER_APP_PER_USER_RANGE;
}
uid_t getUid(userid_t userId, appid_t appId) {
return userId * MULTIUSER_APP_PER_USER_RANGE + (appId % MULTIUSER_APP_PER_USER_RANGE);
}