pub unsafe fn link<P: AsRef<Path>>(
old_filename: P,
new_filename: P
) -> Result<(), Errno>
Expand description
Make a new name for a file.
§Example
let old_filename = "/tmp/nc-link-src";
let ret = unsafe {
nc::openat(
nc::AT_FDCWD,
old_filename,
nc::O_CREAT | nc::O_WRONLY | nc::O_TRUNC,
0o644
)
};
assert!(ret.is_ok());
let fd = ret.unwrap();
let ret = unsafe { nc::close(fd) };
assert!(ret.is_ok());
let new_filename = "/tmp/nc-link-dst";
let ret = unsafe { nc::link(old_filename, new_filename) };
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());