1 /* 2 * Copyright (c) 2020-2022 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 SECURITY_APP_FILE_H 17 #define SECURITY_APP_FILE_H 18 19 #include <stdint.h> 20 21 #ifdef __cplusplus 22 #if __cplusplus 23 extern "C" { 24 #endif 25 #endif 26 27 #define FILE_OPEN_FAIL_ERROR_NUM (-1) 28 29 enum ReadFileErrorCode { 30 DEST_BUFFER_IS_NULL = -1, 31 FILE_IS_CLOSE = -2, 32 MMAP_COPY_FAILED = -3, 33 READ_OFFSET_OUT_OF_RANGE = -4, 34 MMAP_FAILED = -5, 35 MMAP_PARAM_INVALID = -6, 36 }; 37 38 typedef struct { 39 int32_t mmapPosition; 40 int32_t readMoreLen; 41 int32_t mmapSize; 42 char* mapAddr; 43 } MmapInfo; 44 45 typedef struct { 46 int32_t fp; 47 int32_t offset; 48 int32_t len; 49 } FileRead; 50 51 int32_t InitVerify(FileRead *file, const char *filePath, int32_t *handle); 52 int32_t HapMMap(int32_t bufCapacity, int32_t offset, MmapInfo *mmapInfo, const FileRead *file); 53 void HapMUnMap(char *mapAddr, int32_t mmapSize); 54 #ifdef __cplusplus 55 #if __cplusplus 56 } 57 #endif 58 #endif 59 60 #endif 61