1 /* 2 * Copyright (c) 2006-2018, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2009-05-27 Yi.qiu The first version. 9 * 2010-07-18 Bernard add stat and statfs structure definitions. 10 * 2011-05-16 Yi.qiu Change parameter name of rename, "new" is C++ key word. 11 * 2017-12-27 Bernard Add fcntl API. 12 * 2018-02-07 Bernard Change the 3rd parameter of open/fcntl/ioctl to '...' 13 */ 14 15 #ifndef __DFS_POSIX_H__ 16 #define __DFS_POSIX_H__ 17 18 #include <dfs_file.h> 19 20 #ifdef __cplusplus 21 extern "C" { 22 #endif 23 24 typedef struct 25 { 26 int fd; /* directory file */ 27 char buf[512]; 28 int num; 29 int cur; 30 } DIR; 31 32 /* directory api*/ 33 int mkdir(const char *path, mode_t mode); 34 DIR *opendir(const char *name); 35 struct dirent *readdir(DIR *d); 36 long telldir(DIR *d); 37 void seekdir(DIR *d, off_t offset); 38 void rewinddir(DIR *d); 39 int closedir(DIR* d); 40 41 /* file api*/ 42 int open(const char *file, int flags, ...); 43 int close(int d); 44 45 #if defined(RT_USING_NEWLIB) && defined(_EXFUN) 46 _READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte)); 47 _READ_WRITE_RETURN_TYPE _EXFUN(write, (int __fd, const void *__buf, size_t __nbyte)); 48 #else 49 int read(int fd, void *buf, size_t len); 50 int write(int fd, const void *buf, size_t len); 51 #endif 52 53 off_t lseek(int fd, off_t offset, int whence); 54 int rename(const char *from, const char *to); 55 int unlink(const char *pathname); 56 int stat(const char *file, struct stat *buf); 57 int fstat(int fildes, struct stat *buf); 58 int fsync(int fildes); 59 int fcntl(int fildes, int cmd, ...); 60 int ioctl(int fildes, int cmd, ...); 61 62 /* directory api*/ 63 int rmdir(const char *path); 64 int chdir(const char *path); 65 char *getcwd(char *buf, size_t size); 66 67 /* file system api */ 68 int statfs(const char *path, struct statfs *buf); 69 70 int access(const char *path, int amode); 71 int pipe(int fildes[2]); 72 int mkfifo(const char *path, mode_t mode); 73 74 #ifdef __cplusplus 75 } 76 #endif 77 78 #endif 79