Add ioctl API and fix the read/write conflict issue with newlib's API.

1 files changed, 10 insertions, 1 deletions

diff --git a/components/dfs/include/dfs_posix.h b/components/dfs/include/dfs_posix.h
index 2d08ec71fa..f3da7b5530 100644
--- a/components/dfs/include/dfs_posix.h
+++ b/components/dfs/include/dfs_posix.h
@@ -119,20 +119,29 @@ struct stat;
 /* file api*/
 int open(const char *file, int flags, int mode);
 int close(int d);
+#ifdef RT_USING_NEWLIB
+_READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte));
+_READ_WRITE_RETURN_TYPE _EXFUN(write, (int __fd, const void *__buf, size_t __nbyte));
+#else
 int read(int fd, void *buf, size_t len);
 int write(int fd, const void *buf, size_t len);
+#endif
 off_t lseek(int fd, off_t offset, int whence);
 int rename(const char *from, const char *to);
 int unlink(const char *pathname);
 int stat(const char *file, struct stat *buf);
 int fstat(int fildes, struct stat *buf);
-int statfs(const char *path, struct statfs *buf);
+int fsync(int fildes);
+int ioctl(int fildes, unsigned long cmd, void *data);
 
 /* directory api*/
 int rmdir(const char *path);
 int chdir(const char *path);
 char *getcwd(char *buf, size_t size);
 
+/* file system api */
+int statfs(const char *path, struct statfs *buf);
+
 #ifdef __cplusplus
 }
 #endif