devela::_dep::nc

Function openat

pub unsafe fn openat<P>(
    dirfd: i32,
    filename: P,
    flags: i32,
    mode: u32,
) -> Result<i32, i32> ⓘ
where
    P: AsRef<Path>,
Available on crate feature dep_nc only.
Expand description

Open and possibly create a file within a directory.

§Examples

let path = "/etc/passwd";
let ret = unsafe { nc::openat(nc::AT_FDCWD, path, nc::O_RDONLY, 0) };
assert!(ret.is_ok());
let fd = ret.unwrap();
let ret = unsafe { nc::close(fd) };
assert!(ret.is_ok());