From f6a34093fcd2c32a976890fc98e795f75b64eaee Mon Sep 17 00:00:00 2001
From: Adrian <adrian.eichelbaum@digifors.de>
Date: Mon, 15 Apr 2024 10:34:49 +0200
Subject: [PATCH] use io::copy instead of read_to_end

---
 examples/append.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/examples/append.rs b/examples/append.rs
index eb79e111..560136d3 100644
--- a/examples/append.rs
+++ b/examples/append.rs
@@ -45,17 +45,13 @@ fn real_main() -> i32 {
     let mut files: Vec<PathBuf> = vec![];
     gather_files(to_append.as_ref(), &mut files);
 
-    let mut buf: Vec<u8> = vec![];
     for file in files {
         append_zip
             .start_file(file.to_string_lossy(), Default::default())
             .unwrap();
 
         let mut f = File::open(file).unwrap();
-        f.read_to_end(&mut buf).unwrap();
-
-        append_zip.write_all(&buf).unwrap();
-        buf.clear();
+        let _ = std::io::copy(&mut f, &mut append_zip);
     }
 
     append_zip.finish().unwrap();