1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /** 33 * @defgroup los_vfs fs 34 * @ingroup kernel 35 */ 36 37 #ifndef _LOS_VFS_H_ 38 #define _LOS_VFS_H_ 39 40 #include "los_config.h" 41 #include "dirent.h" 42 #include "sys/mount.h" 43 #include "sys/statfs.h" 44 #include "sys/stat.h" 45 #include "unistd.h" 46 47 #ifdef __cplusplus 48 #if __cplusplus 49 extern "C" { 50 #endif /* __cplusplus */ 51 #endif /* __cplusplus */ 52 53 int LOS_Open(const char *path, int oflag, ...); 54 55 int LOS_Close(int fd); 56 57 ssize_t LOS_Read(int fd, void *buf, size_t nbyte); 58 59 ssize_t LOS_Write(int fd, const void *buf, size_t nbyte); 60 61 off_t LOS_Lseek(int fd, off_t offset, int whence); 62 63 int LOS_Unlink(const char *path); 64 65 int LOS_Fstat(int fd, struct stat *buf); 66 67 int LOS_Stat(const char *path, struct stat *buf); 68 69 int LOS_Fsync(int fd); 70 71 int LOS_Mkdir(const char *path, mode_t mode); 72 73 DIR *LOS_Opendir(const char *dirName); 74 75 struct dirent *LOS_Readdir(DIR *dir); 76 77 int LOS_Closedir(DIR *dir); 78 79 int LOS_Rmdir(const char *path); 80 81 int LOS_Rename(const char *oldName, const char *newName); 82 83 int LOS_Statfs(const char *path, struct statfs *buf); 84 85 int LOS_Ftruncate(int fd, off_t length); 86 87 int LOS_FsUmount2(const char *target, int flag); 88 89 int LOS_FsUmount(const char *target); 90 91 int LOS_FsMount(const char *source, const char *target, 92 const char *filesystemtype, unsigned long mountflags, 93 const void *data); 94 95 ssize_t LOS_Pread(int fd, void *buf, size_t nbyte, off_t offset); 96 97 ssize_t LOS_Pwrite(int fd, const void *buf, size_t nbyte, off_t offset); 98 99 #ifdef __cplusplus 100 #if __cplusplus 101 extern "C" { 102 #endif /* __cplusplus */ 103 #endif /* __cplusplus */ 104 105 #endif /* _LOS_FS_H_ */