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minify and optimize uptime reader

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This commit is contained in:
raf 2024-08-04 17:20:34 +03:00
parent e3112dba1d
commit cf0a52150c
Signed by: NotAShelf
GPG key ID: AF26552424E53993
1 changed files with 4 additions and 9 deletions
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13
src/uptime.rs
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@ -1,16 +1,14 @@
use std::fs::File;
use std::io::{self, BufRead};
use std::io::{self, BufRead, BufReader};
use std::path::Path;
pub fn get_current() -> Result<String, io::Error> {
let path = Path::new("/proc/uptime");
let file = File::open(path)?;
let reader = io::BufReader::new(file);
let mut reader = BufReader::new(file);
let line = reader
.lines()
.next()
.ok_or_else(|| io::Error::new(io::ErrorKind::Other, "Failed to read uptime"))??;
let mut line = String::new();
reader.read_line(&mut line)?;
let uptime_seconds: f64 = line
.split_whitespace()
@ -19,7 +17,6 @@ pub fn get_current() -> Result<String, io::Error> {
.parse()
.map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
// calculate days, hours, and minutes
let total_minutes = (uptime_seconds / 60.0).round() as u64;
let days = total_minutes / (60 * 24);
let hours = (total_minutes % (60 * 24)) / 60;
@ -29,11 +26,9 @@ pub fn get_current() -> Result<String, io::Error> {
if days > 0 {
parts.push(format!("{days} days"));
}
if hours > 0 || days > 0 {
parts.push(format!("{hours} hours"));
}
if minutes > 0 || hours > 0 || days > 0 {
parts.push(format!("{minutes} minutes"));
}