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 CM_FILE_OPERATOR_H 17 #define CM_FILE_OPERATOR_H 18 19 #include "cm_type.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #define CM_MAX_FILE_NAME_LEN 512 26 #define CM_MAX_DIRENT_FILE_LEN 256 27 28 struct CmFileDirentInfo { 29 char fileName[CM_MAX_DIRENT_FILE_LEN]; /* point to dirent->d_name */ 30 }; 31 32 uint32_t CmFileRead(const char *path, const char *fileName, uint32_t offset, uint8_t *buf, uint32_t len); 33 34 int32_t CmFileWrite(const char *path, const char *fileName, uint32_t offset, const uint8_t *buf, uint32_t len); 35 36 int32_t CmFileRemove(const char *path, const char *fileName); 37 38 uint32_t CmFileSize(const char *path, const char *fileName); 39 40 int32_t CmIsFileExist(const char *path, const char *fileName); 41 42 int32_t CmMakeDir(const char *path); 43 44 void *CmOpenDir(const char *path); 45 46 int32_t CmCloseDir(void *dirp); 47 48 int32_t CmGetDirFile(void *dirp, struct CmFileDirentInfo *direntInfo); 49 50 int32_t CmIsDirExist(const char *path); 51 52 int32_t CmUserIdLayerGetFileCountAndNames(const char *path, struct CmBlob *fileNames, 53 const uint32_t arraySize, uint32_t *fileCount); 54 55 int32_t CmUidLayerGetFileCountAndNames(const char *path, struct CmBlob *fileNames, 56 const uint32_t arraySize, uint32_t *fileCount); 57 58 int32_t CmGetSubDir(void *dirp, struct CmFileDirentInfo *direntInfo); 59 60 int32_t CmDirRemove(const char *path); 61 62 #ifdef __cplusplus 63 } 64 #endif 65 66 #endif /* CM_FILE_OPERATOR_H */ 67 68