mirror of
https://github.com/RGBCube/uutils-coreutils
synced 2025-07-29 12:07:46 +00:00
uname: use utsname in libc instead
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Knight
parent
ac6bc5886b
commit
f49ee5b58b
2 changed files with 56 additions and 78 deletions
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@ -9,8 +9,11 @@ path = "uname.rs"
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[dependencies]
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getopts = "*"
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libc = "*"
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uucore = { path="../uucore" }
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[dependencies.uucore]
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path = "../uucore"
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default-features = false
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features = ["utsname"]
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[[bin]]
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name = "uname"
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@ -1,105 +1,80 @@
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#![crate_name = "uu_uname"]
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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) Joao Oliveira <joaoxsouls@gmail.com>
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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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// This file is part of the uutils coreutils package.
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//
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// (c) Joao Oliveira <joaoxsouls@gmail.com>
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// (c) Jian Zeng <anonymousknight96 AT gmail.com>
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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: uname (GNU coreutils) 8.21 */
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// last synced with: uname (GNU coreutils) 8.21
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extern crate getopts;
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extern crate libc;
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#[macro_use]
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extern crate uucore;
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use uucore::utsname::Uname;
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use std::ffi::CStr;
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use std::io::Write;
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use std::mem::uninitialized;
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use uucore::c_types::utsname;
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static SYNTAX: &'static str = "[OPTION]...";
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static SUMMARY: &'static str = "Print certain system information. With no OPTION, same as -s.";
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struct Uts {
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sysname: String,
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nodename: String,
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release: String,
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version: String,
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machine: String
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}
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extern {
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fn uname(uts: *mut utsname);
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}
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unsafe fn string_from_c_str(ptr: *const i8) -> String {
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String::from_utf8_lossy(CStr::from_ptr(ptr as *const std::os::raw::c_char).to_bytes()).to_string()
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}
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unsafe fn getuname() -> Uts {
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let mut uts: utsname = uninitialized();
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uname(&mut uts);
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Uts {
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sysname: string_from_c_str(uts.sysname.as_ptr() as *const i8),
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nodename: string_from_c_str(uts.nodename.as_ptr() as *const i8),
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release: string_from_c_str(uts.release.as_ptr() as *const i8),
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version: string_from_c_str(uts.version.as_ptr() as *const i8),
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machine: string_from_c_str(uts.machine.as_ptr() as *const i8)
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}
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}
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static NAME: &'static str = "uname";
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static VERSION: &'static str = env!("CARGO_PKG_VERSION");
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#[cfg(target_os = "linux")]
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static HOST_OS: &'static str = "GNU/Linux";
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#[cfg(target_os = "windows")]
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static HOST_OS: &'static str = "Windows NT";
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#[cfg(target_os = "freebsd")]
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static HOST_OS: &'static str = "FreeBSD";
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#[cfg(target_os = "openbsd")]
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static HOST_OS: &'static str = "OpenBSD";
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#[cfg(target_os = "macos")]
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static HOST_OS: &'static str = "Darwin";
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pub fn uumain(args: Vec<String>) -> i32 {
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let mut opts = getopts::Options::new();
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let mut opts = new_coreopts!(SYNTAX, SUMMARY, "");
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opts.optflag("h", "help", "display this help and exit");
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opts.optflag("a", "all", "Behave as though all of the options -mnrsv were specified.");
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opts.optflag("m", "machine", "print the machine hardware name.");
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opts.optflag("n", "nodename", "print the nodename (the nodename may be a name that the system is known by to a communications network).");
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opts.optflag("p", "processor", "print the machine processor architecture name.");
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opts.optflag("r", "release", "print the operating system release.");
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opts.optflag("a",
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"all",
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"Behave as though all of the options -mnrsv were specified.");
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opts.optflag("s", "sysname", "print the operating system name.");
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opts.optflag("v", "version", "print the operating system version.");
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opts.optflag("n", "nodename", "print the nodename (the nodename may be a name that the system is known by to a communications network).");
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opts.optflag("r", "kernel-release", "print the operating system release.");
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opts.optflag("v", "kernel-version", "print the operating system version.");
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opts.optflag("m", "machine", "print the machine hardware name.");
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let matches = match opts.parse(&args[1..]) {
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Ok(m) => m,
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Err(f) => crash!(1, "{}", f),
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};
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if matches.opt_present("help") {
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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);
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println!("");
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print!("{}", opts.usage("The uname utility writes symbols representing one or more system characteristics to the standard output."));
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return 0;
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}
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let uname = unsafe { getuname() };
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// FIXME: Unimplemented
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// opts.optflag("p", "processor", "print the machine processor architecture name.");
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// opts.optflag("i", "hardware-platform", "print the hardware platform.");
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opts.optflag("o", "operating-system", "print the operating system");
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let argc = args.len();
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let matches = opts.parse(args);
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let uname = Uname::new();
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let mut output = String::new();
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if matches.opt_present("sysname") || matches.opt_present("all")
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|| !matches.opts_present(&["nodename".to_owned(), "release".to_owned(), "version".to_owned(), "machine".to_owned()]) {
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output.push_str(uname.sysname.as_ref());
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output.push_str(" ");
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if matches.opt_present("sysname") || matches.opt_present("all") || argc == 1 {
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output.push_str(uname.sysname().as_ref());
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output.push_str(" ");
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}
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if matches.opt_present("nodename") || matches.opt_present("all") {
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output.push_str(uname.nodename.as_ref());
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output.push_str(uname.nodename().as_ref());
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output.push_str(" ");
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}
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if matches.opt_present("release") || matches.opt_present("all") {
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output.push_str(uname.release.as_ref());
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if matches.opt_present("kernel-release") || matches.opt_present("all") {
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output.push_str(uname.release().as_ref());
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output.push_str(" ");
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}
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if matches.opt_present("version") || matches.opt_present("all") {
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output.push_str(uname.version.as_ref());
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if matches.opt_present("kernel-version") || matches.opt_present("all") {
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output.push_str(uname.version().as_ref());
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output.push_str(" ");
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}
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if matches.opt_present("machine") || matches.opt_present("all") {
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output.push_str(uname.machine.as_ref());
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output.push_str(uname.machine().as_ref());
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output.push_str(" ");
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}
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if matches.opt_present("operating-system") || matches.opt_present("all") {
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output.push_str(HOST_OS);
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output.push_str(" ");
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}
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println!("{}", output.trim());
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