mirror of
https://github.com/uutils/coreutils
synced 2024-12-17 00:23:18 +00:00
83 lines
2.2 KiB
Rust
83 lines
2.2 KiB
Rust
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#![crate_id(name="mkfifo", vers="1.0.0", author="Michael Gehring")]
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#![feature(macro_rules)]
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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) Michael Gehring <mg@ebfe.org>
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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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extern crate getopts;
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extern crate libc;
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use std::num::FromStrRadix;
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use std::os;
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use libc::funcs::posix88::stat_::mkfifo;
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#[path = "../common/util.rs"]
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mod util;
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static NAME : &'static str = "mkfifo";
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static VERSION : &'static str = "1.0.0";
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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 opts = [
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getopts::optopt("m", "mode", "file permissions for the fifo", "(default 0666)"),
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getopts::optflag("h", "help", "display this help and exit"),
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getopts::optflag("V", "version", "output version information and exit"),
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];
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let matches = match getopts::getopts(args.tail(), opts) {
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Ok(m) => m,
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Err(err) => fail!("{}", err),
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};
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if matches.opt_present("version") {
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println!("{} {}", NAME, VERSION);
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return 0;
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}
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if matches.opt_present("help") || matches.free.is_empty() {
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println!("{} {}", NAME, VERSION);
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println!("");
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println!("Usage:");
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println!(" {} [OPTIONS] NAME...", NAME);
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println!("");
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print!("{}", getopts::usage("Create a FIFO with the given name.", opts.as_slice()).as_slice());
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if matches.free.is_empty() {
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return 1;
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}
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return 0;
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}
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let mode = match matches.opt_str("m") {
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Some(m) => match FromStrRadix::from_str_radix(m.as_slice(), 8) {
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Some(m) => m,
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None => {
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show_error!("invalid mode");
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return 1;
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}
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},
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None => 0o666,
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};
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let mut exit_status = 0;
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for f in matches.free.iter() {
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f.with_c_str(|name| {
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let err = unsafe { mkfifo(name, mode) };
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if err == -1 {
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show_error!("creating '{}': {}", f, os::error_string(os::errno() as uint));
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exit_status = 1;
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}
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});
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}
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exit_status
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}
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