mirror of
https://github.com/uutils/coreutils
synced 2024-12-16 00:02:50 +00:00
66 lines
1.5 KiB
Rust
66 lines
1.5 KiB
Rust
#![crate_id = "uusync#1.0.0"]
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/*
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* This file is part of the uutils coreutils package.
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*
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* (c) Alexander Fomin <xander.fomin@ya.ru>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/* Last synced with: sync (GNU coreutils) 8.13 */
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extern crate getopts;
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extern crate libc;
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use std::os;
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use getopts::{optflag, getopts, usage};
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extern {
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fn sync() -> libc::c_void;
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}
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#[allow(dead_code)]
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fn main () { os::set_exit_status(uumain(os::args())); }
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pub fn uumain(args: Vec<String>) -> int {
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let program = args.get(0);
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let options = [
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optflag("h", "help", "display this help and exit"),
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optflag("V", "version", "output version information and exit")
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];
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let matches = match getopts(args.tail(), options) {
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Ok(m) => { m }
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_ => { help(program.as_slice(), options); return 1 }
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};
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if matches.opt_present("h") {
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help(program.as_slice(), options);
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return 0
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}
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if matches.opt_present("V") {
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version();
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return 0
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}
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unsafe {
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sync()
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};
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0
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}
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fn version() {
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println!("sync (uutils) 1.0.0");
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println!("The MIT License");
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println!("");
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println!("Author -- Alexander Fomin.");
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}
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fn help(program: &str, options: &[getopts::OptGroup]) {
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println!("Usage: {:s} [OPTION]", program);
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print!("{:s}", usage("Force changed blocks to disk, update the super block.", options));
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}
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