Function fchmod

pub unsafe fn fchmod(fd: i32, mode: u32) -> Result<(), i32> 

Available on crate feature dep_nc only.

Change permissions of a file.

Examples

let filename = "/tmp/nc-fchmod";
let fd = unsafe {
    nc::openat(
        nc::AT_FDCWD,
        filename,
        nc::O_CREAT | nc::O_WRONLY,
        0o644
    )
};
assert!(fd.is_ok());
let fd = fd.unwrap();
let ret = unsafe { nc::fchmod(fd, 0o640) };
assert!(ret.is_ok());
let ret = unsafe { nc::close(fd) };
assert!(ret.is_ok());
let ret = unsafe { nc::unlinkat(nc::AT_FDCWD, filename, 0) };
assert!(ret.is_ok());