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nproc: use UResult

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Thomas Queiroz 2021-11-16 18:02:42 -03:00
parent f015b041ec
commit bcef1d6cca
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1 changed files with 9 additions and 7 deletions
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16
src/uu/nproc/src/nproc.rs
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@ -7,11 +7,10 @@
// spell-checker:ignore (ToDO) NPROCESSORS nprocs numstr threadstr sysconf
#[macro_use]
extern crate uucore;
use clap::{crate_version, App, Arg};
use std::env;
use uucore::display::Quotable;
use uucore::error::{UResult, USimpleError};
#[cfg(target_os = "linux")]
pub const _SC_NPROCESSORS_CONF: libc::c_int = 83;
@ -31,7 +30,8 @@ fn usage() -> String {
format!("{0} [OPTIONS]...", uucore::execution_phrase())
}
pub fn uumain(args: impl uucore::Args) -> i32 {
#[uucore_procs::gen_uumain]
pub fn uumain(args: impl uucore::Args) -> UResult<()> {
let usage = usage();
let matches = uu_app().usage(&usage[..]).get_matches_from(args);
@ -39,8 +39,10 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
Some(numstr) => match numstr.parse() {
Ok(num) => num,
Err(e) => {
show_error!("\"{}\" is not a valid number: {}", numstr, e);
return 1;
return Err(USimpleError::new(
1,
format!("{} is not a valid number: {}", numstr.quote(), e),
));
}
},
None => 0,
@ -66,7 +68,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
cores -= ignore;
}
println!("{}", cores);
0
Ok(())
}
pub fn uu_app() -> App<'static, 'static> {