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keyfork-qrcode: prefer Instant over SystemTime for infallible time comparison

This commit is contained in:
Ryan Heywood 2024-04-09 19:53:15 -04:00
parent f96ad11422
commit fa125e7cbe
Signed by: ryan
GPG Key ID: 8E401478A3FBEF72
3 changed files with 7 additions and 9 deletions
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2
Cargo.lock generated
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@ -1818,7 +1818,7 @@ dependencies = [
[[package]] [[package]]
name = "keyfork-qrcode" name = "keyfork-qrcode"
version = "0.1.0" version = "0.1.1"
dependencies = [ dependencies = [
"image", "image",
"keyfork-bug", "keyfork-bug",

2
crates/qrcode/keyfork-qrcode/Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "keyfork-qrcode" name = "keyfork-qrcode"
version = "0.1.0" version = "0.1.1"
repository = "https://git.distrust.co/public/keyfork" repository = "https://git.distrust.co/public/keyfork"
edition = "2021" edition = "2021"
license = "MIT" license = "MIT"

12
crates/qrcode/keyfork-qrcode/src/lib.rs
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@ -5,7 +5,7 @@ use keyfork_bug as bug;
use image::io::Reader as ImageReader; use image::io::Reader as ImageReader;
use std::{ use std::{
io::{Cursor, Write}, io::{Cursor, Write},
time::{Duration, SystemTime}, time::{Duration, Instant},
process::{Command, Stdio}, process::{Command, Stdio},
}; };
use v4l::{ use v4l::{
@ -110,11 +110,10 @@ pub fn scan_camera(timeout: Duration, index: usize) -> Result<Option<String>, QR
fmt.fourcc = FourCC::new(b"MPG1"); fmt.fourcc = FourCC::new(b"MPG1");
device.set_format(&fmt)?; device.set_format(&fmt)?;
let mut stream = Stream::with_buffers(&device, Type::VideoCapture, 4)?; let mut stream = Stream::with_buffers(&device, Type::VideoCapture, 4)?;
let start = SystemTime::now(); let start = Instant::now();
while SystemTime::now() while Instant::now()
.duration_since(start) .duration_since(start)
.unwrap_or(Duration::from_secs(0))
< timeout < timeout
{ {
let (buffer, _) = stream.next()?; let (buffer, _) = stream.next()?;
@ -141,12 +140,11 @@ pub fn scan_camera(timeout: Duration, index: usize) -> Result<Option<String>, QR
fmt.fourcc = FourCC::new(b"MPG1"); fmt.fourcc = FourCC::new(b"MPG1");
device.set_format(&fmt)?; device.set_format(&fmt)?;
let mut stream = Stream::with_buffers(&device, Type::VideoCapture, 4)?; let mut stream = Stream::with_buffers(&device, Type::VideoCapture, 4)?;
let start = SystemTime::now(); let start = Instant::now();
let mut scanner = keyfork_zbar::image_scanner::ImageScanner::new(); let mut scanner = keyfork_zbar::image_scanner::ImageScanner::new();
while SystemTime::now() while Instant::now()
.duration_since(start) .duration_since(start)
.unwrap_or(Duration::from_secs(0))
< timeout < timeout
{ {
let (buffer, _) = stream.next()?; let (buffer, _) = stream.next()?;