29 lines
989 B
C
29 lines
989 B
C
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cutils/multiuser.h>
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userid_t multiuser_get_user_id(uid_t uid) {
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return uid / MULTIUSER_APP_PER_USER_RANGE;
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}
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appid_t multiuser_get_app_id(uid_t uid) {
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return uid % MULTIUSER_APP_PER_USER_RANGE;
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}
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uid_t multiuser_get_uid(userid_t userId, appid_t appId) {
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return userId * MULTIUSER_APP_PER_USER_RANGE + (appId % MULTIUSER_APP_PER_USER_RANGE);
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}
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