Function fchownat

pub unsafe fn fchownat<P>(
    dirfd: i32,
    filename: P,
    user: u32,
    group: u32,
    flag: i32,
) -> Result<(), i32> 
where
    P: AsRef<Path>,

Available on crate feature dep_nc only.

Change ownership of a file.

Examples

let filename = "/tmp/nc-fchown";
let fd = unsafe {
    nc::openat(
        nc::AT_FDCWD,
        filename,
        nc::O_CREAT | nc::O_WRONLY | nc::O_TRUNC,
        0o644
    )
};
assert!(fd.is_ok());
let fd = fd.unwrap();
let ret = unsafe { nc::close(fd) };
assert!(ret.is_ok());
let ret = unsafe { nc::fchownat(nc::AT_FDCWD, filename, 0, 0, 0) };
assert_eq!(ret, Err(nc::EPERM));
let ret = unsafe { nc::unlinkat(nc::AT_FDCWD, filename,0 ) };
assert!(ret.is_ok());