Function linkat

pub unsafe fn linkat<P>(
    olddfd: i32,
    oldfilename: P,
    newdfd: i32,
    newfilename: P,
    flags: i32,
) -> Result<(), i32> 
where
    P: AsRef<Path>,

Available on crate feature dep_nc only.

Make a new name for a file.

Examples

let old_filename = "/tmp/nc-linkat-src";
let ret = unsafe { nc::openat(nc::AT_FDCWD, old_filename, nc::O_WRONLY | nc::O_CREAT, 0o644) };
assert!(ret.is_ok());
let fd = ret.unwrap();
let ret = unsafe { nc::close(fd) };
assert!(ret.is_ok());
let new_filename = "/tmp/nc-linkat-dst";
let flags = nc::AT_SYMLINK_FOLLOW;
let ret = unsafe { nc::linkat(nc::AT_FDCWD, old_filename, nc::AT_FDCWD,  new_filename, flags) };
assert!(ret.is_ok());
let ret = unsafe { nc::unlinkat(nc::AT_FDCWD, old_filename, 0) };
assert!(ret.is_ok());
let ret = unsafe { nc::unlinkat(nc::AT_FDCWD, new_filename, 0) };
assert!(ret.is_ok());