1 /* 2 * Copyright (C) 2021 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 HC_DEV_INFO_H 17 #define HC_DEV_INFO_H 18 19 #include <stdint.h> 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #define INPUT_UDID_LEN 65 26 #define MAX_INPUT_UDID_LEN 200 27 #define MAX_SESSION_COUNT 30 28 29 /* 30 * Get the unique device ID of the device(UDID). 31 * udid: It is used to store the UDID finally obtained. 32 * udidLen: The size of array to store UDID. Its value is the real udid size + 1 (including '\0'). 33 * In liteos and linux, the udidLen must be 65. 34 * Return 0 if the UDID is successfully obtained, other returns an error code. 35 */ 36 int32_t HcGetUdid(uint8_t *udid, int32_t udidLen); 37 38 const char *GetStoragePath(void); 39 const char *GetStorageDirPath(void); 40 const char *GetAccountStoragePath(void); 41 const char *GetPseudonymStoragePath(void); 42 43 #ifdef __cplusplus 44 } 45 #endif 46 #endif