1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_DM_RANDOM_H 17 #define OHOS_DM_RANDOM_H 18 19 #include <cstdint> 20 #include <set> 21 22 #ifndef DM_EXPORT 23 #define DM_EXPORT __attribute__ ((visibility ("default"))) 24 #endif // DM_EXPORT 25 26 namespace OHOS { 27 namespace DistributedHardware { 28 DM_EXPORT int32_t GenRandInt(int32_t randMin, int32_t randMax); 29 DM_EXPORT int64_t GenRandLongLong(int64_t randMin, int64_t randMax); 30 DM_EXPORT uint16_t GenRandUint(uint16_t randMin, uint16_t randMax); 31 DM_EXPORT uint16_t GenUniqueRandUint(std::set<uint16_t> &randUint16Set); 32 } // namespace DistributedHardware 33 } // namespace OHOS 34 35 #endif // OHOS_DM_RANDOM_H 36