coreutils/mkfifo/mkfifo.rs
Michael Gehring 30bba07f9c always build multicall binary
squashed:
	a2c6b27 - build: automatically generate main() files
	c942f0f - remove MULTICALL=1 build from travis
	cb7b35b - make: remove unnecessary shell command
	69bbb31 - update README
	03a3168 - all: move main() into separate file that links against util crate
	8276384 - make: always build multicall binary
	aa4edeb - make: avoid 'rustc --crate-file-name'
2014-06-26 10:26:16 +02:00

79 lines
2.1 KiB
Rust

#![crate_id(name="mkfifo", vers="1.0.0", author="Michael Gehring")]
#![feature(macro_rules)]
/*
* This file is part of the uutils coreutils package.
*
* (c) Michael Gehring <mg@ebfe.org>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
extern crate getopts;
extern crate libc;
use std::num::FromStrRadix;
use std::os;
use libc::funcs::posix88::stat_::mkfifo;
#[path = "../common/util.rs"]
mod util;
static NAME : &'static str = "mkfifo";
static VERSION : &'static str = "1.0.0";
pub fn uumain(args: Vec<String>) -> int {
let opts = [
getopts::optopt("m", "mode", "file permissions for the fifo", "(default 0666)"),
getopts::optflag("h", "help", "display this help and exit"),
getopts::optflag("V", "version", "output version information and exit"),
];
let matches = match getopts::getopts(args.tail(), opts) {
Ok(m) => m,
Err(err) => fail!("{}", err),
};
if matches.opt_present("version") {
println!("{} {}", NAME, VERSION);
return 0;
}
if matches.opt_present("help") || matches.free.is_empty() {
println!("{} {}", NAME, VERSION);
println!("");
println!("Usage:");
println!(" {} [OPTIONS] NAME...", NAME);
println!("");
print!("{}", getopts::usage("Create a FIFO with the given name.", opts.as_slice()).as_slice());
if matches.free.is_empty() {
return 1;
}
return 0;
}
let mode = match matches.opt_str("m") {
Some(m) => match FromStrRadix::from_str_radix(m.as_slice(), 8) {
Some(m) => m,
None => {
show_error!("invalid mode");
return 1;
}
},
None => 0o666,
};
let mut exit_status = 0;
for f in matches.free.iter() {
f.with_c_str(|name| {
let err = unsafe { mkfifo(name, mode) };
if err == -1 {
show_error!("creating '{}': {}", f, os::error_string(os::errno() as uint));
exit_status = 1;
}
});
}
exit_status
}