f_chmod

The f_chmod function changes the attribute of a file or sub-directory.

FRESULT f_chmod (
  const TCHAR* path, /* [IN] Object name */
  BYTE attr,         /* [IN] Attribute flags */
  BYTE mask          /* [IN] Attribute masks */
);

Parameters

path
Pointer to the null-terminated string that specifies an object to be changed
attr
Attribute flags to be set in one or more combination of the following flags. The specified flags are set and others are cleard.
AttributeDescription
AM_RDORead only
AM_ARCArchive
AM_SYSSystem
AM_HIDHidden
mask
Attribute mask that specifies which attribute is changed. The specified attributes are set or cleard and others are left unchanged.

Return Values

FR_OK, FR_DISK_ERR, FR_INT_ERR, FR_NOT_READY, FR_NO_FILE, FR_NO_PATH, FR_INVALID_NAME, FR_WRITE_PROTECTED, FR_INVALID_DRIVE, FR_NOT_ENABLED, FR_NO_FILESYSTEM, FR_TIMEOUT, FR_NOT_ENOUGH_CORE

Description

The f_chmod function changes the attribute of a file or sub-directory.

QuickInfo

Available when _FS_READONLY == 0 and _USE_CHMOD == 1.

Example

    /* Set read-only flag, clear archive flag and others are left unchanged. */
    f_chmod("file.txt", AM_RDO, AM_RDO | AM_ARC);

Return