bufreader

tooling/bundler/src/bundle/linux/freedesktop.rs

@@ -18,6 +18,7 @@
 use std::collections::BTreeMap;
 use std::ffi::OsStr;
 use std::fs::{read_to_string, File};
+use std::io::BufReader;
 use std::path::{Path, PathBuf};
 
 use anyhow::Context;
@@ -60,7 +61,7 @@ pub fn list_icon_files(
     }
     // Put file in scope so that it's closed when copying it
     let icon = {
-      let decoder = PngDecoder::new(File::open(&icon_path)?)?;
+      let decoder = PngDecoder::new(BufReader::new(File::open(&icon_path)?))?;
       let width = decoder.dimensions().0;
       let height = decoder.dimensions().1;
       let is_high_density = common::is_retina(&icon_path);

tooling/bundler/src/bundle/macos/ios.rs

@@ -23,7 +23,7 @@ use std::{
   collections::BTreeSet,
   ffi::OsStr,
   fs::{self, File},
-  io::Write,
+  io::{BufReader, Write},
   path::{Path, PathBuf},
 };
 
@@ -91,7 +91,7 @@ fn generate_icon_files(bundle_dir: &Path, settings: &Settings) -> crate::Result<
       if icon_path.extension() != Some(OsStr::new("png")) {
         continue;
       }
-      let decoder = PngDecoder::new(File::open(&icon_path)?)?;
+      let decoder = PngDecoder::new(BufReader::new(File::open(&icon_path)?))?;
       let width = decoder.dimensions().0;
       let height = decoder.dimensions().1;
       let is_retina = common::is_retina(&icon_path);