.. comment SPDX-License-Identifier: CC-BY-SA-4.0 Files and Directories ##################### Directories =========== Format of Directory Entries --------------------------- Directory Operations -------------------- .. code:: c struct dirent, Type, Implemented opendir(), Function, Implemented readdir(), Function, Implemented readdir_r(), Function, Implemented rewinddir(), Function, Implemented closedir(), Function, Implemented Working Directory ================= Change Current Working Directory -------------------------------- .. code:: c chdir(), Function, Implemented Get Working Directory Pathname ------------------------------ .. code:: c getcwd(), Function, Implemented General File Creation ===================== Open a File ----------- .. code:: c open(), Function, Implemented O_RDONLY, Constant, Implemented O_WRONLY, Constant, Implemented O_RDWR, Constant, Implemented O_APPEND, Constant, Implemented O_CREAT, Constant, Implemented O_DSYNC, Constant, Unimplemented O_EXCL, Constant, Implemented O_NOCTTY, Constant, Implemented O_NONBLOCK, Constant, Implemented O_RSYNC, Constant, Unimplemented O_SYNC, Constant, Implemented O_TRUNC, Constant, Implemented NOTE: In the newlib fcntl.h, O_SYNC is defined only if _POSIX_SOURCE is not defined. This seems wrong. Create a New File or Rewrite an Existing One -------------------------------------------- .. code:: c creat(), Function, Implemented Set File Creation Mask ---------------------- .. code:: c umask(), Function, Implemented Link to a File -------------- .. code:: c link(), Function, Implemented Special File Creation ===================== Make a Directory ---------------- .. code:: c mkdir(), Function, Implemented Make a FIFO Special File ------------------------ .. code:: c mkfifo(), Function, Untested Implementation NOTE: mkfifo() is implemented but no filesystem supports FIFOs. File Removal ============ Remove Directory Entries ------------------------ .. code:: c unlink(), Function, Implemented Remove a Directory ------------------ .. code:: c rmdir(), Function, Implemented Rename a File ------------- .. code:: c rename(), Function, Partial Implementation File Characteristics ==================== File Characteristics Header and Data Structure ---------------------------------------------- .. code:: c struct stat, Type, Implemented File Types ~~~~~~~~~~~~~~~~~~~~~~~ .. code:: c S_ISBLK(), Function, Implemented S_ISCHR(), Function, Implemented S_ISDIR(), Function, Implemented S_ISFIFO(), Function, Implemented S_ISREG(), Function, Implemented S_TYPEISMQ(), Function, Unimplemented S_TYPEISSEM(), Function, Unimplemented S_TYPEISSHM(), Function, Unimplemented File Modes ~~~~~~~~~~~~~~~~~~~~~~~ .. code:: c S_IRWXU, Constant, Implemented S_IRUSR, Constant, Implemented S_IWUSR, Constant, Implemented S_IXUSR, Constant, Implemented S_IRWXG, Constant, Implemented S_IRGRP, Constant, Implemented S_IWGRP, Constant, Implemented S_IXGRP, Constant, Implemented S_IRWXO, Constant, Implemented S_IROTH, Constant, Implemented S_IWOTH, Constant, Implemented S_IXOTH, Constant, Implemented S_ISUID, Constant, Implemented S_ISGID, Constant, Implemented Time Entries ~~~~~~~~~~~~~~~~~~~~~~~~~ Get File Status --------------- .. code:: c stat(), Function, Implemented fstat(), Function, Implemented Check File Accessibility ------------------------ .. code:: c access(), Function, Implemented Change File Modes ----------------- .. code:: c chmod(), Function, Implemented fchmod(), Function, Implemented Change Owner and Group of a File -------------------------------- .. code:: c chown(), Function, Implemented Set File Access and Modification Times -------------------------------------- .. code:: c struct utimbuf, Type, Implemented utime(), Function, Implemented Truncate a File to a Specified Length ------------------------------------- .. code:: c ftruncate(), Function, Implemented Configurable Pathname Variable ============================== Get Configurable Pathname Variables ----------------------------------- .. code:: c pathconf(), Function, Implemented fpathconf(), Function, Implemented _PC_LINK_MAX, Constant, Implemented _PC_MAX_CANON, Constant, Implemented _PC_MAX_INPUT, Constant, Implemented _PC_MAX_INPUT, Constant, Implemented _PC_NAME_MAX, Constant, Implemented _PC_PATH_MAX, Constant, Implemented _PC_PIPE_BUF, Constant, Implemented _PC_ASYNC_IO, Constant, Implemented _PC_CHOWN_RESTRICTED, Constant, Implemented _PC_NO_TRUNC, Constant, Implemented _PC_PRIO_IO, Constant, Implemented _PC_SYNC_IO, Constant, Implemented _PC_VDISABLE, Constant, Implemented NOTE: The newlib unistd.h and sys/unistd.h are installed and the include search patch is used to get the right one. There are conflicts between the newlib unistd.h and RTEMS' version. .. COMMENT: COPYRIGHT (c) 1988-2002. .. COMMENT: On-Line Applications Research Corporation (OAR). .. COMMENT: All rights reserved.