cjrh_moreutils_common/
lib.rs

1// SPDX-License-Identifier: GPL-3.0-or-later
2
3use std::process::ExitStatus;
4
5#[cfg(unix)]
6use std::os::unix::process::{CommandExt, ExitStatusExt};
7
8pub fn status_code(status: ExitStatus) -> i32 {
9    if let Some(code) = status.code() {
10        code
11    } else {
12        #[cfg(unix)]
13        {
14            128 + status.signal().unwrap_or(1)
15        }
16        #[cfg(not(unix))]
17        {
18            1
19        }
20    }
21}
22
23pub fn exit_with_status(status: ExitStatus) -> ! {
24    std::process::exit(status_code(status));
25}
26
27pub fn shell_command(command: &str) -> std::process::Command {
28    let mut cmd = std::process::Command::new("/bin/sh");
29    #[cfg(unix)]
30    cmd.arg0("sh");
31    cmd.arg("-c").arg("--").arg(command);
32    cmd
33}
34
35pub fn usage(msg: &str) -> ! {
36    eprintln!("{msg}");
37    std::process::exit(1)
38}
39
40pub fn write_all_or_die<W: std::io::Write>(mut w: W, bytes: &[u8]) {
41    if let Err(e) = w.write_all(bytes) {
42        eprintln!("write: {e}");
43        std::process::exit(1);
44    }
45}
cjrh_moreutils_common/lib.rs

cjrh_moreutils_common/
lib.rs
