File: deflateencoder-bufread.rs

package info (click to toggle)
chromium 140.0.7339.80-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,201,348 kB
  • sloc: cpp: 35,092,378; ansic: 7,161,671; javascript: 4,199,703; python: 1,441,798; asm: 949,904; xml: 747,409; pascal: 187,748; perl: 88,691; sh: 88,248; objc: 79,953; sql: 52,714; cs: 44,599; fortran: 24,137; makefile: 22,119; tcl: 15,277; php: 13,980; yacc: 9,000; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (22 lines) | stat: -rw-r--r-- 691 bytes parent folder | download | duplicates (43) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
use flate2::bufread::DeflateEncoder;
use flate2::Compression;
use std::fs::File;
use std::io;
use std::io::prelude::*;
use std::io::BufReader;

// Open file and debug print the contents compressed with Deflate
fn main() {
    println!("{:?}", open_hello_world().unwrap());
}

// Opens sample file, compresses the contents and returns a Vector or error
// File wrapped in a BufReader implements Bufread
fn open_hello_world() -> io::Result<Vec<u8>> {
    let f = File::open("examples/hello_world.txt")?;
    let b = BufReader::new(f);
    let mut deflater = DeflateEncoder::new(b, Compression::fast());
    let mut buffer = Vec::new();
    deflater.read_to_end(&mut buffer)?;
    Ok(buffer)
}