hru(1): changed to use strerror(3)
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parent
8f956d775c
commit
cf1d16f860
10
src/hru.rs
10
src/hru.rs
@ -23,8 +23,10 @@ use std::{
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process::{ ExitCode, exit },
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};
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extern crate strerror;
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extern crate sysexits;
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use strerror::c_error;
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use sysexits::{ EX_DATAERR, EX_IOERR, EX_SOFTWARE };
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const LIST: [(u32, &str); 10] = [
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@ -49,7 +51,7 @@ fn convert(input: u128) -> Result<(f64, (u32, &'static str)), String> {
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let c = match 10_u128.checked_pow(n) {
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Some(c) => c,
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None => {
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return Err(format!("10^{}: Integer overflow.", n.to_string()));
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return Err(format!("10^{}: Integer overflow", n.to_string()));
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},
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};
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@ -79,7 +81,7 @@ fn main() -> ExitCode {
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f
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},
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Err(err) => {
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eprintln!("{}: {}.", argv[0], err);
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eprintln!("{}: {}", argv[0], err);
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return ExitCode::from(EX_DATAERR as u8);
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},
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};
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@ -87,7 +89,7 @@ fn main() -> ExitCode {
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let (number, prefix) = match convert(n) {
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Ok(x) => x,
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Err(err) => {
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eprintln!("{}: {}.", argv[0], err);
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eprintln!("{}: {}", argv[0], err);
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return ExitCode::from(EX_SOFTWARE as u8);
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},
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};
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@ -98,7 +100,7 @@ fn main() -> ExitCode {
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stdout().write_all(format!("{} {}\n", out, si_prefix).as_bytes())
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.unwrap_or_else(|e| {
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eprintln!("{}: {}.", argv[0], e);
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eprintln!("{}: {}", argv[0], c_error(e));
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exit(EX_IOERR);
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});
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}
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