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sleep: handle infinity

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This commit is contained in:
Arcterus 2014-06-14 23:56:59 -07:00
parent 49cf9cc419
commit a9cf7baf68
1 changed files with 6 additions and 3 deletions
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9
sleep/sleep.rs
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@ -14,9 +14,10 @@
extern crate getopts;
extern crate libc;
use std::num;
use std::f64;
use std::os;
use std::io::{print, timer};
use std::u64;
#[path = "../common/util.rs"]
mod util;
@ -79,7 +80,7 @@ fn sleep(args: Vec<String>) {
if suffix_time == 0 {
0.0
} else {
match num::from_str_radix::<f64>((arg.as_slice()), 10) {
match from_str::<f64>(arg.as_slice()) {
Some(m) => m,
None => {
crash!(1, "Invalid time interval '{}'", arg.to_string())
@ -88,7 +89,7 @@ fn sleep(args: Vec<String>) {
};
result + num * suffix_time as f64
});
timer::sleep((sleep_time * 1000.0) as u64);
timer::sleep(if sleep_time == f64::INFINITY { u64::MAX } else { (sleep_time * 1000.0) as u64 });
}
fn match_suffix(arg: &str) -> Result<(String, int), String> {
@ -100,6 +101,8 @@ fn match_suffix(arg: &str) -> Result<(String, int), String> {
val => {
if !val.is_alphabetic() {
return Ok((arg.to_string(), 1))
} else if arg == "inf" || arg == "infinity" {
return Ok(("inf".to_string(), 1))
} else {
return Err(format!("Invalid time interval '{}'", arg))
}